diff --git a/.codeql-version b/.codeql-version
index eae4b41..7db5226 100644
--- a/.codeql-version
+++ b/.codeql-version
@@ -1 +1 @@
-v2.24.0
+v2.24.1
diff --git a/.github/instructions/prompts.instructions.md b/.github/instructions/github_prompts.instructions.md
similarity index 81%
rename from .github/instructions/prompts.instructions.md
rename to .github/instructions/github_prompts.instructions.md
index 83a733e..f480153 100644
--- a/.github/instructions/prompts.instructions.md
+++ b/.github/instructions/github_prompts.instructions.md
@@ -1,9 +1,9 @@
 ---
-applyTo: '**/*.prompt.md'
+applyTo: '.github/prompts/*.prompt.md'
 description: 'Instructions for managing .prompt.md files throughout the advanced-security/codeql-development-mcp-server repository.'
 ---
 
-# Instructions for managing `*.prompt.md` files
+# Instructions for managing `.github/prompts/*.prompt.md` files
 
 ## PURPOSE
 
@@ -27,13 +27,11 @@ That higher-level component should link (i.e. point) to at least one `.github/pr
 - ALWAYS follow best practices for writing markdown files, including proper use of headings, lists, links, and code blocks. This explicitly includes inserting a newline before and after code blocks, lists, and headings.
 - ALWAYS check formatting with `npm run lint && npm run format:check` from the repo root directory to ensure consistent formatting after making changes.
 - ALWAYS fix linting and formatting errors by running `npm run lint:fix && npm run format` from the repo root directory before committing changes.
-- ALWAYS start each `*.prompt.md` file with the following YAML block of frontmatter:
-
-  ```yaml
-  ---
-  mode: agent
-  ---
-  ```
+- ALWAYS start each `*.prompt.md` file with a YAML front-matter block containing, at minimum, values for fields such as:
+  - `agent` -> pointing to the name of the agent this prompt is intended for (e.g. `agent: ql-mcp-tool-tester`)
+  - `name` -> a unique name for the prompt (e.g. `name: validate-ql-mcp-tools-via-workshop`)
+  - `description` -> a concise description of the prompt's purpose and functionality
+  - `argument-hint` -> a brief hint about the expected arguments for the prompt
 
 ## PREFERENCES
 
diff --git a/.github/instructions/server_src_prompts_md.instructions.md b/.github/instructions/server_src_prompts_md.instructions.md
new file mode 100644
index 0000000..919cc05
--- /dev/null
+++ b/.github/instructions/server_src_prompts_md.instructions.md
@@ -0,0 +1,44 @@
+---
+applyTo: 'server/src/prompts/*.prompt.md'
+description: 'Instructions for MCP-server-hosted workflow prompt files.'
+---
+
+# Copilot Instructions for `server/src/prompts/*.prompt.md` prompt files
+
+## PURPOSE
+
+This file contains instructions for working with workflow prompt files in the `server/src/prompts/` directory. These prompts are registered by the MCP server (via `workflow-prompts.ts`) and exposed as slash commands in VS Code Copilot Chat.
+
+## REQUIREMENTS
+
+- ALWAYS start each prompt file with the following YAML frontmatter block:
+
+  ```yaml
+  ---
+  agent: agent
+  ---
+  ```
+
+  Note: VS Code has deprecated `mode: agent` in favor of `agent: agent`.
+
+- ALWAYS ensure each prompt has a corresponding registration in `server/src/prompts/workflow-prompts.ts`, including a Zod parameter schema and a `server.prompt()` call.
+- ALWAYS ensure the prompt name in `WORKFLOW_PROMPT_NAMES` matches the registration.
+- ALWAYS write prompts that work in **any environment** where `codeql` and the MCP server tools are available, including terminal-only environments without an IDE.
+- ALWAYS use explicit, numeric tool parameters (e.g., `file_path`, `line`, `character`) instead of IDE-centric language like "position the cursor" or "click on".
+- ALWAYS document when MCP tools use **0-based** positions (all `codeql_lsp_*` tools) versus **1-based** positions (`find_predicate_position`, `find_class_position`, `read_file`).
+- ALWAYS note the `workspace_uri` requirement for LSP tools: it must be a **plain directory path** to the pack root containing `codeql-pack.yml`, not a `file://` URI.
+- **ALWAYS run `npm run tidy` from the repo root directory to apply (markdown) linting for all prompt files.**
+
+## PREFERENCES
+
+- PREFER referencing other prompts by their registered MCP name (e.g., `codeql://prompts/ql_lsp_iterative_development`) to enable cross-prompt navigation.
+- PREFER including a "Worked Example" section showing concrete tool invocations with realistic parameter values.
+- PREFER a validation tools comparison table when multiple tools can validate queries at different fidelity levels (e.g., `validate_codeql_query` vs `codeql_lsp_diagnostics` vs `codeql_query_compile`).
+- PREFER documenting tool limitations discovered through actual usage (e.g., `codeql_lsp_diagnostics` cannot resolve imports; `find_class_position` finds `class` only, not `module`).
+
+## CONSTRAINTS
+
+- NEVER leave any trailing whitespace on any line.
+- NEVER use four backticks to nest one code block inside another.
+- NEVER assume the calling LLM has access to an IDE, cursor, or editor UI.
+- NEVER reference `file://` URIs for the `workspace_uri` parameter — use plain directory paths.
diff --git a/.github/prompts/validate-ql-mcp-server-tools-via-workshop.prompt.md b/.github/prompts/validate-ql-mcp-server-tools-via-workshop.prompt.md
index 8ddc8f9..4eaef39 100644
--- a/.github/prompts/validate-ql-mcp-server-tools-via-workshop.prompt.md
+++ b/.github/prompts/validate-ql-mcp-server-tools-via-workshop.prompt.md
@@ -3,7 +3,7 @@ agent: mcp-enabled-ql-workshop-developer
 name: validate-ql-mcp-server-tools-via-workshop
 description: 'A prompt for validating the real-world functionality of the CodeQL Development MCP Server tools by creating a CodeQL query development workshop from scratch using an existing, production-grade CodeQL query as the workshop "solution".'
 argument-hint: 'Provide the absolute or relative path to a local ".ql" or ".qlref" file associated with a production-grade CodeQL query to be used as the "solution" for the last stage of the to-be-created workshop.'
-model: Claude Opus 4.5 (copilot)
+model: Claude Opus 4.6 (copilot)
 ---
 
 # `validate-ql-mcp-server-tools-via-workshop` Prompt
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/README.md b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/README.md
new file mode 100644
index 0000000..c39ec2f
--- /dev/null
+++ b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/README.md
@@ -0,0 +1,201 @@
+# JavaScript XSS Taint-Tracking Workshop
+
+A CodeQL query development workshop that teaches you to find client-side cross-site scripting (XSS) vulnerabilities using taint-tracking analysis. Inspired by a production SAP UI5 XSS query pattern.
+
+## Background
+
+This workshop is modeled after a real-world production query (`UI5Xss.ql`) that detects XSS vulnerabilities in SAP UI5 applications. The production query uses the `DataFlow::ConfigSig` pattern with:
+
+- **Sources**: `RemoteFlowSource` and DOM-based XSS sources
+- **Sinks**: HTML injection sinks (`innerHTML`, `document.write`, etc.)
+- **Barriers**: Sanitizer functions (`encodeHTML`, `encodeJS`, etc.)
+- **Path-problem**: Full taint path visualization
+
+Since the production query depends on custom SAP libraries, this workshop uses **only** `codeql/javascript-all` (version `2.6.19`) to teach the same core concepts with standard JavaScript APIs.
+
+## Prerequisites
+
+- CodeQL CLI v2.23.9 or later
+- `codeql/javascript-all` pack (installed automatically via `codeql pack install`)
+
+## Setup
+
+```bash
+# Navigate to the workshop directory
+cd .github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss
+
+# Install dependencies for all packs
+codeql pack install solutions
+codeql pack install solutions-tests
+codeql pack install exercises
+codeql pack install exercises-tests
+
+# Build test databases (optional — tests do this automatically)
+chmod +x build-databases.sh
+./build-databases.sh
+```
+
+## Workshop Structure
+
+```text
+exercises/          — Your workspace (incomplete queries to complete)
+exercises-tests/    — Tests that validate your solutions
+solutions/          — Reference solutions (don't peek!)
+solutions-tests/    — Tests for the solutions
+tests-common/       — Shared test source code
+```
+
+## Test Code Overview
+
+The test file (`tests-common/test.js`) contains carefully crafted cases:
+
+| Case       | Function                  | Source                          | Sink                                   | Expected                 |
+| ---------- | ------------------------- | ------------------------------- | -------------------------------------- | ------------------------ |
+| POSITIVE 1 | `positiveDirectInnerHTML` | `document.location.search`      | `innerHTML`                            | Detected                 |
+| POSITIVE 2 | `positiveDocumentWrite`   | `window.location.hash`          | `document.write()`                     | Detected                 |
+| POSITIVE 3 | `positiveOuterHTML`       | URL param via `URLSearchParams` | `outerHTML`                            | Detected                 |
+| NEGATIVE 1 | `negativeSanitized`       | `document.location.search`      | `innerHTML` (via `DOMPurify.sanitize`) | NOT detected (barrier)   |
+| NEGATIVE 2 | `negativeHardcoded`       | hardcoded string                | `innerHTML`                            | NOT detected (no source) |
+| EDGE CASE  | `edgeCaseEval`            | `window.location.hash`          | `eval()`                               | Detected                 |
+| NEGATIVE 3 | `negativeEncoded`         | `document.location.search`      | `innerHTML` (via `encodeURIComponent`) | NOT detected (barrier)   |
+
+## Exercises
+
+Each exercise builds on the previous one, progressively teaching more advanced CodeQL concepts.
+
+### Exercise 1: Find XSS Sinks
+
+**Goal**: Write a query that identifies dangerous DOM operations that could introduce XSS.
+
+**Concepts**: `DataFlow::Node`, `DataFlow::PropWrite`, `DataFlow::CallNode`, `DataFlow::globalVarRef`
+
+**What you'll find**:
+
+- Property writes to `innerHTML` and `outerHTML`
+- Calls to `document.write()`
+- Calls to `eval()`
+
+**Validate**:
+
+```bash
+codeql test run exercises-tests/Exercise1
+```
+
+### Exercise 2: Find Remote Flow Sources
+
+**Goal**: Identify all user-controlled inputs that could be XSS sources.
+
+**Concepts**: `RemoteFlowSource`, `getSourceType()`
+
+**What you'll find**:
+
+- `document.location.search`, `window.location.hash`
+- URL parameters via `URLSearchParams`
+- Any other browser API that returns user-controlled data
+
+**Validate**:
+
+```bash
+codeql test run exercises-tests/Exercise2
+```
+
+### Exercise 3: Basic Taint-Tracking Configuration
+
+**Goal**: Connect sources to sinks using CodeQL's taint-tracking framework.
+
+**Concepts**: `DataFlow::ConfigSig`, `TaintTracking::Global`, `isSource`, `isSink`, `flow()`
+
+**Key pattern**:
+
+```ql
+module MyConfig implements DataFlow::ConfigSig {
+  predicate isSource(DataFlow::Node source) { ... }
+  predicate isSink(DataFlow::Node sink) { ... }
+}
+module MyFlow = TaintTracking::Global<MyConfig>;
+```
+
+This exercise will find ALL XSS flows including the sanitized ones (no barriers yet).
+
+**Validate**:
+
+```bash
+codeql test run exercises-tests/Exercise3
+```
+
+### Exercise 4: Add Sanitizer Barriers
+
+**Goal**: Reduce false positives by adding barriers for sanitizer functions.
+
+**Concepts**: `isBarrier` predicate, `DataFlow::CallNode`, `getCalleeName()`
+
+**What changes**: Flows through `DOMPurify.sanitize()` and `encodeURIComponent()` are blocked.
+
+**Validate**:
+
+```bash
+codeql test run exercises-tests/Exercise4
+```
+
+### Exercise 5: Full Path-Problem Query
+
+**Goal**: Convert the query to a production-style `path-problem` query with full taint paths.
+
+**Concepts**: `@kind path-problem`, `PathGraph`, `PathNode`, `flowPath()`
+
+**What changes**:
+
+- Query metadata includes `@kind path-problem`, `@security-severity`, CWE tags
+- Uses `PathNode` instead of `Node` for source/sink
+- Imports `PathGraph` for visualization
+- Shows complete taint propagation paths in results
+
+**Validate**:
+
+```bash
+codeql test run exercises-tests/Exercise5
+```
+
+## Validating Solutions
+
+```bash
+# Run all solution tests (should pass after accepting results)
+codeql test run solutions-tests
+
+# Run a specific exercise test
+codeql test run solutions-tests/Exercise3
+
+# Accept current results as expected baseline
+codeql test run solutions-tests --learn
+```
+
+## Learning Path
+
+```
+Exercise 1 (Sinks)
+    ↓
+Exercise 2 (Sources)
+    ↓
+Exercise 3 (Taint Tracking) ← Core concept
+    ↓
+Exercise 4 (Barriers) ← Reducing false positives
+    ↓
+Exercise 5 (Path Problem) ← Production-ready query
+```
+
+## Relation to Production Query
+
+| Workshop Concept                         | Production Query (`UI5Xss.ql`)               |
+| ---------------------------------------- | -------------------------------------------- |
+| `RemoteFlowSource`                       | `RemoteFlowSource` + SAP-specific sources    |
+| `innerHTML`/`document.write` sinks       | SAP UI5 HTML injection sinks                 |
+| `sanitize`/`encodeURIComponent` barriers | `encodeHTML`/`encodeJS`/`encodeCSS` barriers |
+| `DataFlow::ConfigSig`                    | Same pattern                                 |
+| `path-problem`                           | Same query kind                              |
+
+## Tips
+
+- Start with Exercise 1 and work sequentially — each builds on the previous
+- Use `codeql test run --learn` to accept current output as expected results
+- If stuck, look at the solution for the PREVIOUS exercise as a starting point
+- The `tests-common/test.js` file has comments explaining each test case
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/build-databases.sh b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/build-databases.sh
new file mode 100644
index 0000000..9b627d7
--- /dev/null
+++ b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/build-databases.sh
@@ -0,0 +1,34 @@
+#!/bin/bash
+set -e
+
+WORKSHOP_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+
+echo "Building test databases for SAP UI5 XSS workshop..."
+
+# Build solution test databases
+for exercise_dir in "${WORKSHOP_ROOT}"/solutions-tests/Exercise*/; do
+    exercise_name="$(basename "$exercise_dir")"
+    DB_PATH="${exercise_dir}/${exercise_name}.testproj"
+
+    echo "  Creating database: ${exercise_name} (solutions)"
+    rm -rf "${DB_PATH}"
+
+    codeql test extract --search-path="${WORKSHOP_ROOT}/solutions" "$exercise_dir"
+done
+
+# Build exercise test databases
+for exercise_dir in "${WORKSHOP_ROOT}"/exercises-tests/Exercise*/; do
+    exercise_name="$(basename "$exercise_dir")"
+    DB_PATH="${exercise_dir}/${exercise_name}.testproj"
+
+    echo "  Creating database: ${exercise_name} (exercises)"
+    rm -rf "${DB_PATH}"
+
+    codeql test extract --search-path="${WORKSHOP_ROOT}/exercises" "$exercise_dir"
+done
+
+echo "Database creation complete!"
+echo ""
+echo "To run tests:"
+echo "  codeql test run solutions-tests    # Validate solutions"
+echo "  codeql test run exercises-tests    # Test your exercises"
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/codeql-workspace.yml b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/codeql-workspace.yml
new file mode 100644
index 0000000..568a57f
--- /dev/null
+++ b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/codeql-workspace.yml
@@ -0,0 +1,2 @@
+provide:
+  - '*/codeql-pack.yml'
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises-tests/Exercise1/Exercise1.expected b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises-tests/Exercise1/Exercise1.expected
new file mode 100644
index 0000000..e69de29
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises-tests/Exercise1/Exercise1.qlref b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises-tests/Exercise1/Exercise1.qlref
new file mode 100644
index 0000000..0565cfa
--- /dev/null
+++ b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises-tests/Exercise1/Exercise1.qlref
@@ -0,0 +1 @@
+Exercise1.ql
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises-tests/Exercise1/test.js b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises-tests/Exercise1/test.js
new file mode 100644
index 0000000..268ec8f
--- /dev/null
+++ b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises-tests/Exercise1/test.js
@@ -0,0 +1,68 @@
+// Test cases for XSS taint-tracking workshop
+// Inspired by SAP UI5 XSS production query patterns
+
+// ============================================================
+// POSITIVE CASE 1: Direct XSS via document.location.search → innerHTML
+// ============================================================
+function positiveDirectInnerHTML() {
+  var userInput = document.location.search; // source: URL query string
+  var container = document.getElementById("output");
+  container.innerHTML = userInput; // sink: innerHTML assignment — XSS!
+}
+
+// ============================================================
+// POSITIVE CASE 2: XSS via window.location.hash → document.write()
+// ============================================================
+function positiveDocumentWrite() {
+  var hashValue = window.location.hash; // source: URL hash fragment
+  document.write(hashValue); // sink: document.write — XSS!
+}
+
+// ============================================================
+// POSITIVE CASE 3: XSS via URL param parsed → outerHTML
+// ============================================================
+function positiveOuterHTML() {
+  var params = new URLSearchParams(window.location.search);
+  var name = params.get("name"); // source: user-controlled URL parameter
+  var el = document.getElementById("profile");
+  el.outerHTML = "<div>" + name + "</div>"; // sink: outerHTML assignment — XSS!
+}
+
+// ============================================================
+// NEGATIVE CASE 1: Sanitized value via DOMPurify.sanitize() → innerHTML
+// Should NOT be flagged because the input is sanitized
+// ============================================================
+function negativeSanitized() {
+  var userInput = document.location.search; // source
+  var clean = DOMPurify.sanitize(userInput); // barrier: sanitization
+  var container = document.getElementById("safe-output");
+  container.innerHTML = clean; // safe: sanitized input
+}
+
+// ============================================================
+// NEGATIVE CASE 2: Hardcoded string → innerHTML
+// Should NOT be flagged because there is no user-controlled source
+// ============================================================
+function negativeHardcoded() {
+  var container = document.getElementById("static-content");
+  container.innerHTML = "<p>Welcome to the application</p>"; // safe: hardcoded
+}
+
+// ============================================================
+// EDGE CASE: XSS via eval() with URL input
+// ============================================================
+function edgeCaseEval() {
+  var code = window.location.hash.substring(1); // source: URL hash
+  eval(code); // sink: eval — code injection / XSS!
+}
+
+// ============================================================
+// NEGATIVE CASE 3: encodeURIComponent barrier
+// Should NOT be flagged because input is encoded
+// ============================================================
+function negativeEncoded() {
+  var userInput = document.location.search;
+  var encoded = encodeURIComponent(userInput); // barrier: encoding
+  var container = document.getElementById("encoded-output");
+  container.innerHTML = encoded; // safe: encoded input
+}
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises-tests/Exercise2/Exercise2.expected b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises-tests/Exercise2/Exercise2.expected
new file mode 100644
index 0000000..e69de29
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises-tests/Exercise2/Exercise2.qlref b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises-tests/Exercise2/Exercise2.qlref
new file mode 100644
index 0000000..3d135a2
--- /dev/null
+++ b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises-tests/Exercise2/Exercise2.qlref
@@ -0,0 +1 @@
+Exercise2.ql
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises-tests/Exercise2/test.js b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises-tests/Exercise2/test.js
new file mode 100644
index 0000000..268ec8f
--- /dev/null
+++ b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises-tests/Exercise2/test.js
@@ -0,0 +1,68 @@
+// Test cases for XSS taint-tracking workshop
+// Inspired by SAP UI5 XSS production query patterns
+
+// ============================================================
+// POSITIVE CASE 1: Direct XSS via document.location.search → innerHTML
+// ============================================================
+function positiveDirectInnerHTML() {
+  var userInput = document.location.search; // source: URL query string
+  var container = document.getElementById("output");
+  container.innerHTML = userInput; // sink: innerHTML assignment — XSS!
+}
+
+// ============================================================
+// POSITIVE CASE 2: XSS via window.location.hash → document.write()
+// ============================================================
+function positiveDocumentWrite() {
+  var hashValue = window.location.hash; // source: URL hash fragment
+  document.write(hashValue); // sink: document.write — XSS!
+}
+
+// ============================================================
+// POSITIVE CASE 3: XSS via URL param parsed → outerHTML
+// ============================================================
+function positiveOuterHTML() {
+  var params = new URLSearchParams(window.location.search);
+  var name = params.get("name"); // source: user-controlled URL parameter
+  var el = document.getElementById("profile");
+  el.outerHTML = "<div>" + name + "</div>"; // sink: outerHTML assignment — XSS!
+}
+
+// ============================================================
+// NEGATIVE CASE 1: Sanitized value via DOMPurify.sanitize() → innerHTML
+// Should NOT be flagged because the input is sanitized
+// ============================================================
+function negativeSanitized() {
+  var userInput = document.location.search; // source
+  var clean = DOMPurify.sanitize(userInput); // barrier: sanitization
+  var container = document.getElementById("safe-output");
+  container.innerHTML = clean; // safe: sanitized input
+}
+
+// ============================================================
+// NEGATIVE CASE 2: Hardcoded string → innerHTML
+// Should NOT be flagged because there is no user-controlled source
+// ============================================================
+function negativeHardcoded() {
+  var container = document.getElementById("static-content");
+  container.innerHTML = "<p>Welcome to the application</p>"; // safe: hardcoded
+}
+
+// ============================================================
+// EDGE CASE: XSS via eval() with URL input
+// ============================================================
+function edgeCaseEval() {
+  var code = window.location.hash.substring(1); // source: URL hash
+  eval(code); // sink: eval — code injection / XSS!
+}
+
+// ============================================================
+// NEGATIVE CASE 3: encodeURIComponent barrier
+// Should NOT be flagged because input is encoded
+// ============================================================
+function negativeEncoded() {
+  var userInput = document.location.search;
+  var encoded = encodeURIComponent(userInput); // barrier: encoding
+  var container = document.getElementById("encoded-output");
+  container.innerHTML = encoded; // safe: encoded input
+}
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises-tests/Exercise3/Exercise3.expected b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises-tests/Exercise3/Exercise3.expected
new file mode 100644
index 0000000..e69de29
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises-tests/Exercise3/Exercise3.qlref b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises-tests/Exercise3/Exercise3.qlref
new file mode 100644
index 0000000..e73d6bd
--- /dev/null
+++ b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises-tests/Exercise3/Exercise3.qlref
@@ -0,0 +1 @@
+Exercise3.ql
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises-tests/Exercise3/test.js b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises-tests/Exercise3/test.js
new file mode 100644
index 0000000..268ec8f
--- /dev/null
+++ b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises-tests/Exercise3/test.js
@@ -0,0 +1,68 @@
+// Test cases for XSS taint-tracking workshop
+// Inspired by SAP UI5 XSS production query patterns
+
+// ============================================================
+// POSITIVE CASE 1: Direct XSS via document.location.search → innerHTML
+// ============================================================
+function positiveDirectInnerHTML() {
+  var userInput = document.location.search; // source: URL query string
+  var container = document.getElementById("output");
+  container.innerHTML = userInput; // sink: innerHTML assignment — XSS!
+}
+
+// ============================================================
+// POSITIVE CASE 2: XSS via window.location.hash → document.write()
+// ============================================================
+function positiveDocumentWrite() {
+  var hashValue = window.location.hash; // source: URL hash fragment
+  document.write(hashValue); // sink: document.write — XSS!
+}
+
+// ============================================================
+// POSITIVE CASE 3: XSS via URL param parsed → outerHTML
+// ============================================================
+function positiveOuterHTML() {
+  var params = new URLSearchParams(window.location.search);
+  var name = params.get("name"); // source: user-controlled URL parameter
+  var el = document.getElementById("profile");
+  el.outerHTML = "<div>" + name + "</div>"; // sink: outerHTML assignment — XSS!
+}
+
+// ============================================================
+// NEGATIVE CASE 1: Sanitized value via DOMPurify.sanitize() → innerHTML
+// Should NOT be flagged because the input is sanitized
+// ============================================================
+function negativeSanitized() {
+  var userInput = document.location.search; // source
+  var clean = DOMPurify.sanitize(userInput); // barrier: sanitization
+  var container = document.getElementById("safe-output");
+  container.innerHTML = clean; // safe: sanitized input
+}
+
+// ============================================================
+// NEGATIVE CASE 2: Hardcoded string → innerHTML
+// Should NOT be flagged because there is no user-controlled source
+// ============================================================
+function negativeHardcoded() {
+  var container = document.getElementById("static-content");
+  container.innerHTML = "<p>Welcome to the application</p>"; // safe: hardcoded
+}
+
+// ============================================================
+// EDGE CASE: XSS via eval() with URL input
+// ============================================================
+function edgeCaseEval() {
+  var code = window.location.hash.substring(1); // source: URL hash
+  eval(code); // sink: eval — code injection / XSS!
+}
+
+// ============================================================
+// NEGATIVE CASE 3: encodeURIComponent barrier
+// Should NOT be flagged because input is encoded
+// ============================================================
+function negativeEncoded() {
+  var userInput = document.location.search;
+  var encoded = encodeURIComponent(userInput); // barrier: encoding
+  var container = document.getElementById("encoded-output");
+  container.innerHTML = encoded; // safe: encoded input
+}
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises-tests/Exercise4/Exercise4.expected b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises-tests/Exercise4/Exercise4.expected
new file mode 100644
index 0000000..e69de29
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises-tests/Exercise4/Exercise4.qlref b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises-tests/Exercise4/Exercise4.qlref
new file mode 100644
index 0000000..8b891f6
--- /dev/null
+++ b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises-tests/Exercise4/Exercise4.qlref
@@ -0,0 +1 @@
+Exercise4.ql
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises-tests/Exercise4/test.js b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises-tests/Exercise4/test.js
new file mode 100644
index 0000000..268ec8f
--- /dev/null
+++ b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises-tests/Exercise4/test.js
@@ -0,0 +1,68 @@
+// Test cases for XSS taint-tracking workshop
+// Inspired by SAP UI5 XSS production query patterns
+
+// ============================================================
+// POSITIVE CASE 1: Direct XSS via document.location.search → innerHTML
+// ============================================================
+function positiveDirectInnerHTML() {
+  var userInput = document.location.search; // source: URL query string
+  var container = document.getElementById("output");
+  container.innerHTML = userInput; // sink: innerHTML assignment — XSS!
+}
+
+// ============================================================
+// POSITIVE CASE 2: XSS via window.location.hash → document.write()
+// ============================================================
+function positiveDocumentWrite() {
+  var hashValue = window.location.hash; // source: URL hash fragment
+  document.write(hashValue); // sink: document.write — XSS!
+}
+
+// ============================================================
+// POSITIVE CASE 3: XSS via URL param parsed → outerHTML
+// ============================================================
+function positiveOuterHTML() {
+  var params = new URLSearchParams(window.location.search);
+  var name = params.get("name"); // source: user-controlled URL parameter
+  var el = document.getElementById("profile");
+  el.outerHTML = "<div>" + name + "</div>"; // sink: outerHTML assignment — XSS!
+}
+
+// ============================================================
+// NEGATIVE CASE 1: Sanitized value via DOMPurify.sanitize() → innerHTML
+// Should NOT be flagged because the input is sanitized
+// ============================================================
+function negativeSanitized() {
+  var userInput = document.location.search; // source
+  var clean = DOMPurify.sanitize(userInput); // barrier: sanitization
+  var container = document.getElementById("safe-output");
+  container.innerHTML = clean; // safe: sanitized input
+}
+
+// ============================================================
+// NEGATIVE CASE 2: Hardcoded string → innerHTML
+// Should NOT be flagged because there is no user-controlled source
+// ============================================================
+function negativeHardcoded() {
+  var container = document.getElementById("static-content");
+  container.innerHTML = "<p>Welcome to the application</p>"; // safe: hardcoded
+}
+
+// ============================================================
+// EDGE CASE: XSS via eval() with URL input
+// ============================================================
+function edgeCaseEval() {
+  var code = window.location.hash.substring(1); // source: URL hash
+  eval(code); // sink: eval — code injection / XSS!
+}
+
+// ============================================================
+// NEGATIVE CASE 3: encodeURIComponent barrier
+// Should NOT be flagged because input is encoded
+// ============================================================
+function negativeEncoded() {
+  var userInput = document.location.search;
+  var encoded = encodeURIComponent(userInput); // barrier: encoding
+  var container = document.getElementById("encoded-output");
+  container.innerHTML = encoded; // safe: encoded input
+}
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises-tests/Exercise5/Exercise5.expected b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises-tests/Exercise5/Exercise5.expected
new file mode 100644
index 0000000..e69de29
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises-tests/Exercise5/Exercise5.qlref b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises-tests/Exercise5/Exercise5.qlref
new file mode 100644
index 0000000..1267a96
--- /dev/null
+++ b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises-tests/Exercise5/Exercise5.qlref
@@ -0,0 +1 @@
+Exercise5.ql
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises-tests/Exercise5/test.js b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises-tests/Exercise5/test.js
new file mode 100644
index 0000000..268ec8f
--- /dev/null
+++ b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises-tests/Exercise5/test.js
@@ -0,0 +1,68 @@
+// Test cases for XSS taint-tracking workshop
+// Inspired by SAP UI5 XSS production query patterns
+
+// ============================================================
+// POSITIVE CASE 1: Direct XSS via document.location.search → innerHTML
+// ============================================================
+function positiveDirectInnerHTML() {
+  var userInput = document.location.search; // source: URL query string
+  var container = document.getElementById("output");
+  container.innerHTML = userInput; // sink: innerHTML assignment — XSS!
+}
+
+// ============================================================
+// POSITIVE CASE 2: XSS via window.location.hash → document.write()
+// ============================================================
+function positiveDocumentWrite() {
+  var hashValue = window.location.hash; // source: URL hash fragment
+  document.write(hashValue); // sink: document.write — XSS!
+}
+
+// ============================================================
+// POSITIVE CASE 3: XSS via URL param parsed → outerHTML
+// ============================================================
+function positiveOuterHTML() {
+  var params = new URLSearchParams(window.location.search);
+  var name = params.get("name"); // source: user-controlled URL parameter
+  var el = document.getElementById("profile");
+  el.outerHTML = "<div>" + name + "</div>"; // sink: outerHTML assignment — XSS!
+}
+
+// ============================================================
+// NEGATIVE CASE 1: Sanitized value via DOMPurify.sanitize() → innerHTML
+// Should NOT be flagged because the input is sanitized
+// ============================================================
+function negativeSanitized() {
+  var userInput = document.location.search; // source
+  var clean = DOMPurify.sanitize(userInput); // barrier: sanitization
+  var container = document.getElementById("safe-output");
+  container.innerHTML = clean; // safe: sanitized input
+}
+
+// ============================================================
+// NEGATIVE CASE 2: Hardcoded string → innerHTML
+// Should NOT be flagged because there is no user-controlled source
+// ============================================================
+function negativeHardcoded() {
+  var container = document.getElementById("static-content");
+  container.innerHTML = "<p>Welcome to the application</p>"; // safe: hardcoded
+}
+
+// ============================================================
+// EDGE CASE: XSS via eval() with URL input
+// ============================================================
+function edgeCaseEval() {
+  var code = window.location.hash.substring(1); // source: URL hash
+  eval(code); // sink: eval — code injection / XSS!
+}
+
+// ============================================================
+// NEGATIVE CASE 3: encodeURIComponent barrier
+// Should NOT be flagged because input is encoded
+// ============================================================
+function negativeEncoded() {
+  var userInput = document.location.search;
+  var encoded = encodeURIComponent(userInput); // barrier: encoding
+  var container = document.getElementById("encoded-output");
+  container.innerHTML = encoded; // safe: encoded input
+}
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises-tests/codeql-pack.yml b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises-tests/codeql-pack.yml
new file mode 100644
index 0000000..86bef27
--- /dev/null
+++ b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises-tests/codeql-pack.yml
@@ -0,0 +1,5 @@
+name: codeql-sap-js-ui5-xss-exercises-tests
+version: 0.0.1
+dependencies:
+  codeql-sap-js-ui5-xss-exercises: '*'
+extractor: javascript
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises/Exercise1.ql b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises/Exercise1.ql
new file mode 100644
index 0000000..8c79076
--- /dev/null
+++ b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises/Exercise1.ql
@@ -0,0 +1,26 @@
+/**
+ * @name Find XSS sinks
+ * @description Find DOM properties and methods that can introduce XSS
+ * @kind problem
+ * @id js/workshop/xss-sinks
+ * @problem.severity warning
+ */
+
+import javascript
+
+from DataFlow::Node sink
+where
+  // TODO: Implement - find nodes that write to innerHTML or outerHTML properties
+  // Hint: Use DataFlow::PropWrite to find property writes.
+  //       pw.getPropertyName() gives you the property name.
+  //       pw.getRhs() gives you the right-hand side (the value being assigned).
+  //
+  // TODO: Implement - find calls to document.write()
+  // Hint: Use DataFlow::globalVarRef("document").getAMemberCall("write")
+  //       to find calls to document.write.
+  //
+  // TODO: Implement - find calls to eval()
+  // Hint: Use DataFlow::globalVarRef("eval").getACall()
+  //       to find calls to eval.
+  none()
+select sink, "Potential XSS sink"
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises/Exercise2.ql b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises/Exercise2.ql
new file mode 100644
index 0000000..ea78f4f
--- /dev/null
+++ b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises/Exercise2.ql
@@ -0,0 +1,18 @@
+/**
+ * @name Find remote flow sources
+ * @description Find user-controlled inputs that could be XSS sources
+ * @kind problem
+ * @id js/workshop/xss-sources
+ * @problem.severity warning
+ */
+
+import javascript
+
+// TODO: Implement - find all RemoteFlowSource instances
+// Hint: The RemoteFlowSource class represents user-controlled inputs such as
+//       document.location, window.location, URL parameters, etc.
+//       Use `source instanceof RemoteFlowSource` in your from/where/select.
+//       The getSourceType() method returns a descriptive string for each source.
+from RemoteFlowSource source
+where none()
+select source, "User-controlled input: " + source.getSourceType()
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises/Exercise3.ql b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises/Exercise3.ql
new file mode 100644
index 0000000..0e84125
--- /dev/null
+++ b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises/Exercise3.ql
@@ -0,0 +1,36 @@
+/**
+ * @name Basic XSS taint tracking
+ * @description Track taint from user input to XSS sinks
+ * @kind problem
+ * @id js/workshop/xss-basic-taint
+ * @problem.severity error
+ */
+
+import javascript
+
+// TODO: Implement the XssConfig module using DataFlow::ConfigSig
+// This module defines how taint flows from sources to sinks.
+//
+// Hint: You need two predicates:
+//   - isSource(DataFlow::Node source): identify user-controlled inputs
+//     (use RemoteFlowSource from Exercise 2)
+//   - isSink(DataFlow::Node sink): identify dangerous DOM operations
+//     (use the sink patterns from Exercise 1)
+module XssConfig implements DataFlow::ConfigSig {
+  predicate isSource(DataFlow::Node source) {
+    // TODO: Implement - use RemoteFlowSource
+    none()
+  }
+
+  predicate isSink(DataFlow::Node sink) {
+    // TODO: Implement - reuse sink patterns from Exercise 1
+    none()
+  }
+}
+
+// Instantiate the taint-tracking analysis
+module XssFlow = TaintTracking::Global<XssConfig>;
+
+from DataFlow::Node source, DataFlow::Node sink
+where XssFlow::flow(source, sink)
+select sink, "XSS vulnerability from $@.", source, "user input"
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises/Exercise4.ql b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises/Exercise4.ql
new file mode 100644
index 0000000..a5c2272
--- /dev/null
+++ b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises/Exercise4.ql
@@ -0,0 +1,42 @@
+/**
+ * @name XSS with sanitizer barriers
+ * @description Track taint with sanitizer functions as barriers
+ * @kind problem
+ * @id js/workshop/xss-barriers
+ * @problem.severity error
+ */
+
+import javascript
+
+// TODO: Implement XssWithBarriersConfig
+// This extends Exercise 3 by adding an isBarrier predicate that blocks
+// taint flow through sanitizer functions.
+//
+// Hint: The isBarrier predicate identifies nodes where taint is neutralized.
+//       Look for calls to functions with sanitizer-like names:
+//       "sanitize", "encodeHTML", "escapeHtml", "encodeURIComponent"
+//       Use DataFlow::CallNode and getCalleeName() to match function names.
+module XssWithBarriersConfig implements DataFlow::ConfigSig {
+  predicate isSource(DataFlow::Node source) {
+    // TODO: Implement - same as Exercise 3
+    none()
+  }
+
+  predicate isSink(DataFlow::Node sink) {
+    // TODO: Implement - same as Exercise 3
+    none()
+  }
+
+  predicate isBarrier(DataFlow::Node node) {
+    // TODO: Implement - block taint flow through sanitizer calls
+    // Hint: Find DataFlow::CallNode instances whose callee name matches
+    //       known sanitizer function names. The call node itself is the barrier.
+    none()
+  }
+}
+
+module XssWithBarriersFlow = TaintTracking::Global<XssWithBarriersConfig>;
+
+from DataFlow::Node source, DataFlow::Node sink
+where XssWithBarriersFlow::flow(source, sink)
+select sink, "XSS vulnerability from $@.", source, "user input"
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises/Exercise5.ql b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises/Exercise5.ql
new file mode 100644
index 0000000..9a4c7bd
--- /dev/null
+++ b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises/Exercise5.ql
@@ -0,0 +1,52 @@
+/**
+ * @name Client-side cross-site scripting
+ * @description Writing user input directly to DOM properties allows for XSS
+ * @kind path-problem
+ * @id js/workshop/xss-path
+ * @problem.severity error
+ * @security-severity 7.8
+ * @precision high
+ * @tags security
+ *       external/cwe/cwe-079
+ */
+
+import javascript
+
+// TODO: Implement XssFullConfig
+// This is the final, production-style query. It combines everything from
+// Exercises 3 and 4, but uses @kind path-problem to show complete taint paths.
+//
+// Hint: The config is identical to Exercise 4's XssWithBarriersConfig.
+//       The difference is in the query metadata (@kind path-problem) and
+//       the from/where/select clause which uses PathNode instead of Node.
+module XssFullConfig implements DataFlow::ConfigSig {
+  predicate isSource(DataFlow::Node source) {
+    // TODO: Implement - same as Exercise 4
+    none()
+  }
+
+  predicate isSink(DataFlow::Node sink) {
+    // TODO: Implement - same as Exercise 4
+    none()
+  }
+
+  predicate isBarrier(DataFlow::Node node) {
+    // TODO: Implement - same as Exercise 4
+    none()
+  }
+}
+
+module XssFullFlow = TaintTracking::Global<XssFullConfig>;
+
+// TODO: Import the PathGraph module for path-problem visualization
+// Hint: import XssFullFlow::PathGraph
+import XssFullFlow::PathGraph
+
+// TODO: Update the from/where/select to use PathNode
+// Hint: Use XssFullFlow::PathNode instead of DataFlow::Node
+//       Use XssFullFlow::flowPath(source, sink) instead of flow
+//       Use source.getNode() and sink.getNode() for the select message
+from XssFullFlow::PathNode source, XssFullFlow::PathNode sink
+where XssFullFlow::flowPath(source, sink)
+select sink.getNode(), source, sink, "XSS vulnerability due to $@.", source.getNode(),
+  "user-provided value"
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises/codeql-pack.yml b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises/codeql-pack.yml
new file mode 100644
index 0000000..ecefff0
--- /dev/null
+++ b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/exercises/codeql-pack.yml
@@ -0,0 +1,5 @@
+name: codeql-sap-js-ui5-xss-exercises
+version: 0.0.1
+library: false
+dependencies:
+  codeql/javascript-all: 2.6.19
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/Exercise1/Exercise1.expected b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/Exercise1/Exercise1.expected
new file mode 100644
index 0000000..49a51d9
--- /dev/null
+++ b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/Exercise1/Exercise1.expected
@@ -0,0 +1,7 @@
+| test.js:10:25:10:33 | userInput | Potential XSS sink |
+| test.js:18:18:18:26 | hashValue | Potential XSS sink |
+| test.js:28:18:28:42 | "<div>" ... </div>" | Potential XSS sink |
+| test.js:39:25:39:29 | clean | Potential XSS sink |
+| test.js:48:25:48:59 | "<p>Wel ... on</p>" | Potential XSS sink |
+| test.js:56:8:56:11 | code | Potential XSS sink |
+| test.js:67:25:67:31 | encoded | Potential XSS sink |
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/Exercise1/Exercise1.qlref b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/Exercise1/Exercise1.qlref
new file mode 100644
index 0000000..0565cfa
--- /dev/null
+++ b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/Exercise1/Exercise1.qlref
@@ -0,0 +1 @@
+Exercise1.ql
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/Exercise1/test.js b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/Exercise1/test.js
new file mode 100644
index 0000000..268ec8f
--- /dev/null
+++ b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/Exercise1/test.js
@@ -0,0 +1,68 @@
+// Test cases for XSS taint-tracking workshop
+// Inspired by SAP UI5 XSS production query patterns
+
+// ============================================================
+// POSITIVE CASE 1: Direct XSS via document.location.search → innerHTML
+// ============================================================
+function positiveDirectInnerHTML() {
+  var userInput = document.location.search; // source: URL query string
+  var container = document.getElementById("output");
+  container.innerHTML = userInput; // sink: innerHTML assignment — XSS!
+}
+
+// ============================================================
+// POSITIVE CASE 2: XSS via window.location.hash → document.write()
+// ============================================================
+function positiveDocumentWrite() {
+  var hashValue = window.location.hash; // source: URL hash fragment
+  document.write(hashValue); // sink: document.write — XSS!
+}
+
+// ============================================================
+// POSITIVE CASE 3: XSS via URL param parsed → outerHTML
+// ============================================================
+function positiveOuterHTML() {
+  var params = new URLSearchParams(window.location.search);
+  var name = params.get("name"); // source: user-controlled URL parameter
+  var el = document.getElementById("profile");
+  el.outerHTML = "<div>" + name + "</div>"; // sink: outerHTML assignment — XSS!
+}
+
+// ============================================================
+// NEGATIVE CASE 1: Sanitized value via DOMPurify.sanitize() → innerHTML
+// Should NOT be flagged because the input is sanitized
+// ============================================================
+function negativeSanitized() {
+  var userInput = document.location.search; // source
+  var clean = DOMPurify.sanitize(userInput); // barrier: sanitization
+  var container = document.getElementById("safe-output");
+  container.innerHTML = clean; // safe: sanitized input
+}
+
+// ============================================================
+// NEGATIVE CASE 2: Hardcoded string → innerHTML
+// Should NOT be flagged because there is no user-controlled source
+// ============================================================
+function negativeHardcoded() {
+  var container = document.getElementById("static-content");
+  container.innerHTML = "<p>Welcome to the application</p>"; // safe: hardcoded
+}
+
+// ============================================================
+// EDGE CASE: XSS via eval() with URL input
+// ============================================================
+function edgeCaseEval() {
+  var code = window.location.hash.substring(1); // source: URL hash
+  eval(code); // sink: eval — code injection / XSS!
+}
+
+// ============================================================
+// NEGATIVE CASE 3: encodeURIComponent barrier
+// Should NOT be flagged because input is encoded
+// ============================================================
+function negativeEncoded() {
+  var userInput = document.location.search;
+  var encoded = encodeURIComponent(userInput); // barrier: encoding
+  var container = document.getElementById("encoded-output");
+  container.innerHTML = encoded; // safe: encoded input
+}
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/Exercise2/Exercise2.expected b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/Exercise2/Exercise2.expected
new file mode 100644
index 0000000..e40c56b
--- /dev/null
+++ b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/Exercise2/Exercise2.expected
@@ -0,0 +1,12 @@
+| test.js:8:19:8:35 | document.location | User-controlled input: Window location |
+| test.js:8:19:8:42 | documen ... .search | User-controlled input: Window location |
+| test.js:17:19:17:33 | window.location | User-controlled input: Window location |
+| test.js:17:19:17:38 | window.location.hash | User-controlled input: Window location |
+| test.js:25:36:25:50 | window.location | User-controlled input: Window location |
+| test.js:25:36:25:57 | window. ... .search | User-controlled input: Window location |
+| test.js:36:19:36:35 | document.location | User-controlled input: Window location |
+| test.js:36:19:36:42 | documen ... .search | User-controlled input: Window location |
+| test.js:55:14:55:28 | window.location | User-controlled input: Window location |
+| test.js:55:14:55:33 | window.location.hash | User-controlled input: Window location |
+| test.js:64:19:64:35 | document.location | User-controlled input: Window location |
+| test.js:64:19:64:42 | documen ... .search | User-controlled input: Window location |
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/Exercise2/Exercise2.qlref b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/Exercise2/Exercise2.qlref
new file mode 100644
index 0000000..3d135a2
--- /dev/null
+++ b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/Exercise2/Exercise2.qlref
@@ -0,0 +1 @@
+Exercise2.ql
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/Exercise2/test.js b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/Exercise2/test.js
new file mode 100644
index 0000000..268ec8f
--- /dev/null
+++ b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/Exercise2/test.js
@@ -0,0 +1,68 @@
+// Test cases for XSS taint-tracking workshop
+// Inspired by SAP UI5 XSS production query patterns
+
+// ============================================================
+// POSITIVE CASE 1: Direct XSS via document.location.search → innerHTML
+// ============================================================
+function positiveDirectInnerHTML() {
+  var userInput = document.location.search; // source: URL query string
+  var container = document.getElementById("output");
+  container.innerHTML = userInput; // sink: innerHTML assignment — XSS!
+}
+
+// ============================================================
+// POSITIVE CASE 2: XSS via window.location.hash → document.write()
+// ============================================================
+function positiveDocumentWrite() {
+  var hashValue = window.location.hash; // source: URL hash fragment
+  document.write(hashValue); // sink: document.write — XSS!
+}
+
+// ============================================================
+// POSITIVE CASE 3: XSS via URL param parsed → outerHTML
+// ============================================================
+function positiveOuterHTML() {
+  var params = new URLSearchParams(window.location.search);
+  var name = params.get("name"); // source: user-controlled URL parameter
+  var el = document.getElementById("profile");
+  el.outerHTML = "<div>" + name + "</div>"; // sink: outerHTML assignment — XSS!
+}
+
+// ============================================================
+// NEGATIVE CASE 1: Sanitized value via DOMPurify.sanitize() → innerHTML
+// Should NOT be flagged because the input is sanitized
+// ============================================================
+function negativeSanitized() {
+  var userInput = document.location.search; // source
+  var clean = DOMPurify.sanitize(userInput); // barrier: sanitization
+  var container = document.getElementById("safe-output");
+  container.innerHTML = clean; // safe: sanitized input
+}
+
+// ============================================================
+// NEGATIVE CASE 2: Hardcoded string → innerHTML
+// Should NOT be flagged because there is no user-controlled source
+// ============================================================
+function negativeHardcoded() {
+  var container = document.getElementById("static-content");
+  container.innerHTML = "<p>Welcome to the application</p>"; // safe: hardcoded
+}
+
+// ============================================================
+// EDGE CASE: XSS via eval() with URL input
+// ============================================================
+function edgeCaseEval() {
+  var code = window.location.hash.substring(1); // source: URL hash
+  eval(code); // sink: eval — code injection / XSS!
+}
+
+// ============================================================
+// NEGATIVE CASE 3: encodeURIComponent barrier
+// Should NOT be flagged because input is encoded
+// ============================================================
+function negativeEncoded() {
+  var userInput = document.location.search;
+  var encoded = encodeURIComponent(userInput); // barrier: encoding
+  var container = document.getElementById("encoded-output");
+  container.innerHTML = encoded; // safe: encoded input
+}
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/Exercise3/Exercise3.expected b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/Exercise3/Exercise3.expected
new file mode 100644
index 0000000..8cf50ff
--- /dev/null
+++ b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/Exercise3/Exercise3.expected
@@ -0,0 +1,5 @@
+| test.js:10:25:10:33 | userInput | XSS vulnerability from $@. | test.js:8:19:8:42 | documen ... .search | user input |
+| test.js:18:18:18:26 | hashValue | XSS vulnerability from $@. | test.js:17:19:17:38 | window.location.hash | user input |
+| test.js:28:18:28:42 | "<div>" ... </div>" | XSS vulnerability from $@. | test.js:25:36:25:57 | window. ... .search | user input |
+| test.js:56:8:56:11 | code | XSS vulnerability from $@. | test.js:55:14:55:33 | window.location.hash | user input |
+| test.js:67:25:67:31 | encoded | XSS vulnerability from $@. | test.js:64:19:64:42 | documen ... .search | user input |
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/Exercise3/Exercise3.qlref b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/Exercise3/Exercise3.qlref
new file mode 100644
index 0000000..e73d6bd
--- /dev/null
+++ b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/Exercise3/Exercise3.qlref
@@ -0,0 +1 @@
+Exercise3.ql
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/Exercise3/test.js b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/Exercise3/test.js
new file mode 100644
index 0000000..268ec8f
--- /dev/null
+++ b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/Exercise3/test.js
@@ -0,0 +1,68 @@
+// Test cases for XSS taint-tracking workshop
+// Inspired by SAP UI5 XSS production query patterns
+
+// ============================================================
+// POSITIVE CASE 1: Direct XSS via document.location.search → innerHTML
+// ============================================================
+function positiveDirectInnerHTML() {
+  var userInput = document.location.search; // source: URL query string
+  var container = document.getElementById("output");
+  container.innerHTML = userInput; // sink: innerHTML assignment — XSS!
+}
+
+// ============================================================
+// POSITIVE CASE 2: XSS via window.location.hash → document.write()
+// ============================================================
+function positiveDocumentWrite() {
+  var hashValue = window.location.hash; // source: URL hash fragment
+  document.write(hashValue); // sink: document.write — XSS!
+}
+
+// ============================================================
+// POSITIVE CASE 3: XSS via URL param parsed → outerHTML
+// ============================================================
+function positiveOuterHTML() {
+  var params = new URLSearchParams(window.location.search);
+  var name = params.get("name"); // source: user-controlled URL parameter
+  var el = document.getElementById("profile");
+  el.outerHTML = "<div>" + name + "</div>"; // sink: outerHTML assignment — XSS!
+}
+
+// ============================================================
+// NEGATIVE CASE 1: Sanitized value via DOMPurify.sanitize() → innerHTML
+// Should NOT be flagged because the input is sanitized
+// ============================================================
+function negativeSanitized() {
+  var userInput = document.location.search; // source
+  var clean = DOMPurify.sanitize(userInput); // barrier: sanitization
+  var container = document.getElementById("safe-output");
+  container.innerHTML = clean; // safe: sanitized input
+}
+
+// ============================================================
+// NEGATIVE CASE 2: Hardcoded string → innerHTML
+// Should NOT be flagged because there is no user-controlled source
+// ============================================================
+function negativeHardcoded() {
+  var container = document.getElementById("static-content");
+  container.innerHTML = "<p>Welcome to the application</p>"; // safe: hardcoded
+}
+
+// ============================================================
+// EDGE CASE: XSS via eval() with URL input
+// ============================================================
+function edgeCaseEval() {
+  var code = window.location.hash.substring(1); // source: URL hash
+  eval(code); // sink: eval — code injection / XSS!
+}
+
+// ============================================================
+// NEGATIVE CASE 3: encodeURIComponent barrier
+// Should NOT be flagged because input is encoded
+// ============================================================
+function negativeEncoded() {
+  var userInput = document.location.search;
+  var encoded = encodeURIComponent(userInput); // barrier: encoding
+  var container = document.getElementById("encoded-output");
+  container.innerHTML = encoded; // safe: encoded input
+}
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/Exercise4/Exercise4.expected b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/Exercise4/Exercise4.expected
new file mode 100644
index 0000000..2d7805a
--- /dev/null
+++ b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/Exercise4/Exercise4.expected
@@ -0,0 +1,4 @@
+| test.js:10:25:10:33 | userInput | XSS vulnerability from $@. | test.js:8:19:8:42 | documen ... .search | user input |
+| test.js:18:18:18:26 | hashValue | XSS vulnerability from $@. | test.js:17:19:17:38 | window.location.hash | user input |
+| test.js:28:18:28:42 | "<div>" ... </div>" | XSS vulnerability from $@. | test.js:25:36:25:57 | window. ... .search | user input |
+| test.js:56:8:56:11 | code | XSS vulnerability from $@. | test.js:55:14:55:33 | window.location.hash | user input |
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/Exercise4/Exercise4.qlref b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/Exercise4/Exercise4.qlref
new file mode 100644
index 0000000..8b891f6
--- /dev/null
+++ b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/Exercise4/Exercise4.qlref
@@ -0,0 +1 @@
+Exercise4.ql
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/Exercise4/test.js b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/Exercise4/test.js
new file mode 100644
index 0000000..268ec8f
--- /dev/null
+++ b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/Exercise4/test.js
@@ -0,0 +1,68 @@
+// Test cases for XSS taint-tracking workshop
+// Inspired by SAP UI5 XSS production query patterns
+
+// ============================================================
+// POSITIVE CASE 1: Direct XSS via document.location.search → innerHTML
+// ============================================================
+function positiveDirectInnerHTML() {
+  var userInput = document.location.search; // source: URL query string
+  var container = document.getElementById("output");
+  container.innerHTML = userInput; // sink: innerHTML assignment — XSS!
+}
+
+// ============================================================
+// POSITIVE CASE 2: XSS via window.location.hash → document.write()
+// ============================================================
+function positiveDocumentWrite() {
+  var hashValue = window.location.hash; // source: URL hash fragment
+  document.write(hashValue); // sink: document.write — XSS!
+}
+
+// ============================================================
+// POSITIVE CASE 3: XSS via URL param parsed → outerHTML
+// ============================================================
+function positiveOuterHTML() {
+  var params = new URLSearchParams(window.location.search);
+  var name = params.get("name"); // source: user-controlled URL parameter
+  var el = document.getElementById("profile");
+  el.outerHTML = "<div>" + name + "</div>"; // sink: outerHTML assignment — XSS!
+}
+
+// ============================================================
+// NEGATIVE CASE 1: Sanitized value via DOMPurify.sanitize() → innerHTML
+// Should NOT be flagged because the input is sanitized
+// ============================================================
+function negativeSanitized() {
+  var userInput = document.location.search; // source
+  var clean = DOMPurify.sanitize(userInput); // barrier: sanitization
+  var container = document.getElementById("safe-output");
+  container.innerHTML = clean; // safe: sanitized input
+}
+
+// ============================================================
+// NEGATIVE CASE 2: Hardcoded string → innerHTML
+// Should NOT be flagged because there is no user-controlled source
+// ============================================================
+function negativeHardcoded() {
+  var container = document.getElementById("static-content");
+  container.innerHTML = "<p>Welcome to the application</p>"; // safe: hardcoded
+}
+
+// ============================================================
+// EDGE CASE: XSS via eval() with URL input
+// ============================================================
+function edgeCaseEval() {
+  var code = window.location.hash.substring(1); // source: URL hash
+  eval(code); // sink: eval — code injection / XSS!
+}
+
+// ============================================================
+// NEGATIVE CASE 3: encodeURIComponent barrier
+// Should NOT be flagged because input is encoded
+// ============================================================
+function negativeEncoded() {
+  var userInput = document.location.search;
+  var encoded = encodeURIComponent(userInput); // barrier: encoding
+  var container = document.getElementById("encoded-output");
+  container.innerHTML = encoded; // safe: encoded input
+}
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/Exercise5/Exercise5.expected b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/Exercise5/Exercise5.expected
new file mode 100644
index 0000000..1feb8bc
--- /dev/null
+++ b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/Exercise5/Exercise5.expected
@@ -0,0 +1,40 @@
+edges
+| test.js:8:7:8:15 | userInput | test.js:10:25:10:33 | userInput | provenance |  |
+| test.js:8:19:8:42 | documen ... .search | test.js:8:7:8:15 | userInput | provenance |  |
+| test.js:17:7:17:15 | hashValue | test.js:18:18:18:26 | hashValue | provenance |  |
+| test.js:17:19:17:38 | window.location.hash | test.js:17:7:17:15 | hashValue | provenance |  |
+| test.js:25:7:25:12 | params [MapValue] | test.js:26:14:26:19 | params [MapValue] | provenance |  |
+| test.js:25:16:25:58 | new URL ... search) [MapValue] | test.js:25:7:25:12 | params [MapValue] | provenance |  |
+| test.js:25:36:25:57 | window. ... .search | test.js:25:16:25:58 | new URL ... search) [MapValue] | provenance |  |
+| test.js:26:7:26:10 | name | test.js:28:28:28:31 | name | provenance |  |
+| test.js:26:14:26:19 | params [MapValue] | test.js:26:14:26:31 | params.get("name") | provenance |  |
+| test.js:26:14:26:31 | params.get("name") | test.js:26:7:26:10 | name | provenance |  |
+| test.js:28:28:28:31 | name | test.js:28:18:28:42 | "<div>" ... </div>" | provenance |  |
+| test.js:55:7:55:10 | code | test.js:56:8:56:11 | code | provenance |  |
+| test.js:55:14:55:33 | window.location.hash | test.js:55:14:55:46 | window. ... ring(1) | provenance |  |
+| test.js:55:14:55:46 | window. ... ring(1) | test.js:55:7:55:10 | code | provenance |  |
+nodes
+| test.js:8:7:8:15 | userInput | semmle.label | userInput |
+| test.js:8:19:8:42 | documen ... .search | semmle.label | documen ... .search |
+| test.js:10:25:10:33 | userInput | semmle.label | userInput |
+| test.js:17:7:17:15 | hashValue | semmle.label | hashValue |
+| test.js:17:19:17:38 | window.location.hash | semmle.label | window.location.hash |
+| test.js:18:18:18:26 | hashValue | semmle.label | hashValue |
+| test.js:25:7:25:12 | params [MapValue] | semmle.label | params [MapValue] |
+| test.js:25:16:25:58 | new URL ... search) [MapValue] | semmle.label | new URL ... search) [MapValue] |
+| test.js:25:36:25:57 | window. ... .search | semmle.label | window. ... .search |
+| test.js:26:7:26:10 | name | semmle.label | name |
+| test.js:26:14:26:19 | params [MapValue] | semmle.label | params [MapValue] |
+| test.js:26:14:26:31 | params.get("name") | semmle.label | params.get("name") |
+| test.js:28:18:28:42 | "<div>" ... </div>" | semmle.label | "<div>" ... </div>" |
+| test.js:28:28:28:31 | name | semmle.label | name |
+| test.js:55:7:55:10 | code | semmle.label | code |
+| test.js:55:14:55:33 | window.location.hash | semmle.label | window.location.hash |
+| test.js:55:14:55:46 | window. ... ring(1) | semmle.label | window. ... ring(1) |
+| test.js:56:8:56:11 | code | semmle.label | code |
+subpaths
+#select
+| test.js:10:25:10:33 | userInput | test.js:8:19:8:42 | documen ... .search | test.js:10:25:10:33 | userInput | XSS vulnerability due to $@. | test.js:8:19:8:42 | documen ... .search | user-provided value |
+| test.js:18:18:18:26 | hashValue | test.js:17:19:17:38 | window.location.hash | test.js:18:18:18:26 | hashValue | XSS vulnerability due to $@. | test.js:17:19:17:38 | window.location.hash | user-provided value |
+| test.js:28:18:28:42 | "<div>" ... </div>" | test.js:25:36:25:57 | window. ... .search | test.js:28:18:28:42 | "<div>" ... </div>" | XSS vulnerability due to $@. | test.js:25:36:25:57 | window. ... .search | user-provided value |
+| test.js:56:8:56:11 | code | test.js:55:14:55:33 | window.location.hash | test.js:56:8:56:11 | code | XSS vulnerability due to $@. | test.js:55:14:55:33 | window.location.hash | user-provided value |
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/Exercise5/Exercise5.qlref b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/Exercise5/Exercise5.qlref
new file mode 100644
index 0000000..1267a96
--- /dev/null
+++ b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/Exercise5/Exercise5.qlref
@@ -0,0 +1 @@
+Exercise5.ql
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/Exercise5/test.js b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/Exercise5/test.js
new file mode 100644
index 0000000..268ec8f
--- /dev/null
+++ b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/Exercise5/test.js
@@ -0,0 +1,68 @@
+// Test cases for XSS taint-tracking workshop
+// Inspired by SAP UI5 XSS production query patterns
+
+// ============================================================
+// POSITIVE CASE 1: Direct XSS via document.location.search → innerHTML
+// ============================================================
+function positiveDirectInnerHTML() {
+  var userInput = document.location.search; // source: URL query string
+  var container = document.getElementById("output");
+  container.innerHTML = userInput; // sink: innerHTML assignment — XSS!
+}
+
+// ============================================================
+// POSITIVE CASE 2: XSS via window.location.hash → document.write()
+// ============================================================
+function positiveDocumentWrite() {
+  var hashValue = window.location.hash; // source: URL hash fragment
+  document.write(hashValue); // sink: document.write — XSS!
+}
+
+// ============================================================
+// POSITIVE CASE 3: XSS via URL param parsed → outerHTML
+// ============================================================
+function positiveOuterHTML() {
+  var params = new URLSearchParams(window.location.search);
+  var name = params.get("name"); // source: user-controlled URL parameter
+  var el = document.getElementById("profile");
+  el.outerHTML = "<div>" + name + "</div>"; // sink: outerHTML assignment — XSS!
+}
+
+// ============================================================
+// NEGATIVE CASE 1: Sanitized value via DOMPurify.sanitize() → innerHTML
+// Should NOT be flagged because the input is sanitized
+// ============================================================
+function negativeSanitized() {
+  var userInput = document.location.search; // source
+  var clean = DOMPurify.sanitize(userInput); // barrier: sanitization
+  var container = document.getElementById("safe-output");
+  container.innerHTML = clean; // safe: sanitized input
+}
+
+// ============================================================
+// NEGATIVE CASE 2: Hardcoded string → innerHTML
+// Should NOT be flagged because there is no user-controlled source
+// ============================================================
+function negativeHardcoded() {
+  var container = document.getElementById("static-content");
+  container.innerHTML = "<p>Welcome to the application</p>"; // safe: hardcoded
+}
+
+// ============================================================
+// EDGE CASE: XSS via eval() with URL input
+// ============================================================
+function edgeCaseEval() {
+  var code = window.location.hash.substring(1); // source: URL hash
+  eval(code); // sink: eval — code injection / XSS!
+}
+
+// ============================================================
+// NEGATIVE CASE 3: encodeURIComponent barrier
+// Should NOT be flagged because input is encoded
+// ============================================================
+function negativeEncoded() {
+  var userInput = document.location.search;
+  var encoded = encodeURIComponent(userInput); // barrier: encoding
+  var container = document.getElementById("encoded-output");
+  container.innerHTML = encoded; // safe: encoded input
+}
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/codeql-pack.lock.yml b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/codeql-pack.lock.yml
new file mode 100644
index 0000000..2fc8548
--- /dev/null
+++ b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/codeql-pack.lock.yml
@@ -0,0 +1,30 @@
+---
+lockVersion: 1.0.0
+dependencies:
+  codeql/concepts:
+    version: 0.0.13
+  codeql/controlflow:
+    version: 2.0.23
+  codeql/dataflow:
+    version: 2.0.23
+  codeql/javascript-all:
+    version: 2.6.19
+  codeql/mad:
+    version: 1.0.39
+  codeql/regex:
+    version: 1.0.39
+  codeql/ssa:
+    version: 2.0.15
+  codeql/threat-models:
+    version: 1.0.39
+  codeql/tutorial:
+    version: 1.0.39
+  codeql/typetracking:
+    version: 2.0.23
+  codeql/util:
+    version: 2.0.26
+  codeql/xml:
+    version: 1.0.39
+  codeql/yaml:
+    version: 1.0.39
+compiled: false
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/codeql-pack.yml b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/codeql-pack.yml
new file mode 100644
index 0000000..1d84c7d
--- /dev/null
+++ b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions-tests/codeql-pack.yml
@@ -0,0 +1,5 @@
+name: codeql-sap-js-ui5-xss-solutions-tests
+version: 0.0.1
+dependencies:
+  codeql-sap-js-ui5-xss-solutions: '*'
+extractor: javascript
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions/Exercise1.ql b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions/Exercise1.ql
new file mode 100644
index 0000000..c27a628
--- /dev/null
+++ b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions/Exercise1.ql
@@ -0,0 +1,27 @@
+/**
+ * @name Find XSS sinks
+ * @description Find DOM properties and methods that can introduce XSS
+ * @kind problem
+ * @id js/workshop/xss-sinks
+ * @problem.severity warning
+ */
+
+import javascript
+
+from DataFlow::Node sink
+where
+  exists(DataFlow::PropWrite pw |
+    pw.getPropertyName() = ["innerHTML", "outerHTML"] and
+    sink = pw.getRhs()
+  )
+  or
+  exists(DataFlow::CallNode call |
+    call = DataFlow::globalVarRef("document").getAMemberCall("write") and
+    sink = call.getArgument(0)
+  )
+  or
+  exists(DataFlow::CallNode call |
+    call = DataFlow::globalVarRef("eval").getACall() and
+    sink = call.getArgument(0)
+  )
+select sink, "Potential XSS sink"
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions/Exercise2.ql b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions/Exercise2.ql
new file mode 100644
index 0000000..7f92d43
--- /dev/null
+++ b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions/Exercise2.ql
@@ -0,0 +1,12 @@
+/**
+ * @name Find remote flow sources
+ * @description Find user-controlled inputs that could be XSS sources
+ * @kind problem
+ * @id js/workshop/xss-sources
+ * @problem.severity warning
+ */
+
+import javascript
+
+from RemoteFlowSource source
+select source, "User-controlled input: " + source.getSourceType()
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions/Exercise3.ql b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions/Exercise3.ql
new file mode 100644
index 0000000..897fe27
--- /dev/null
+++ b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions/Exercise3.ql
@@ -0,0 +1,38 @@
+/**
+ * @name Basic XSS taint tracking
+ * @description Track taint from user input to XSS sinks
+ * @kind problem
+ * @id js/workshop/xss-basic-taint
+ * @problem.severity error
+ */
+
+import javascript
+
+module XssConfig implements DataFlow::ConfigSig {
+  predicate isSource(DataFlow::Node source) {
+    source instanceof RemoteFlowSource
+  }
+
+  predicate isSink(DataFlow::Node sink) {
+    exists(DataFlow::PropWrite pw |
+      pw.getPropertyName() = ["innerHTML", "outerHTML"] and
+      sink = pw.getRhs()
+    )
+    or
+    exists(DataFlow::CallNode call |
+      call = DataFlow::globalVarRef("document").getAMemberCall("write") and
+      sink = call.getArgument(0)
+    )
+    or
+    exists(DataFlow::CallNode call |
+      call = DataFlow::globalVarRef("eval").getACall() and
+      sink = call.getArgument(0)
+    )
+  }
+}
+
+module XssFlow = TaintTracking::Global<XssConfig>;
+
+from DataFlow::Node source, DataFlow::Node sink
+where XssFlow::flow(source, sink)
+select sink, "XSS vulnerability from $@.", source, "user input"
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions/Exercise4.ql b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions/Exercise4.ql
new file mode 100644
index 0000000..f47ef41
--- /dev/null
+++ b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions/Exercise4.ql
@@ -0,0 +1,46 @@
+/**
+ * @name XSS with sanitizer barriers
+ * @description Track taint with sanitizer functions as barriers
+ * @kind problem
+ * @id js/workshop/xss-barriers
+ * @problem.severity error
+ */
+
+import javascript
+
+module XssWithBarriersConfig implements DataFlow::ConfigSig {
+  predicate isSource(DataFlow::Node source) {
+    source instanceof RemoteFlowSource
+  }
+
+  predicate isSink(DataFlow::Node sink) {
+    exists(DataFlow::PropWrite pw |
+      pw.getPropertyName() = ["innerHTML", "outerHTML"] and
+      sink = pw.getRhs()
+    )
+    or
+    exists(DataFlow::CallNode call |
+      call = DataFlow::globalVarRef("document").getAMemberCall("write") and
+      sink = call.getArgument(0)
+    )
+    or
+    exists(DataFlow::CallNode call |
+      call = DataFlow::globalVarRef("eval").getACall() and
+      sink = call.getArgument(0)
+    )
+  }
+
+  predicate isBarrier(DataFlow::Node node) {
+    exists(DataFlow::CallNode sanitizeCall |
+      sanitizeCall.getCalleeName() =
+        ["sanitize", "encodeHTML", "escapeHtml", "encodeURIComponent"] and
+      node = sanitizeCall
+    )
+  }
+}
+
+module XssWithBarriersFlow = TaintTracking::Global<XssWithBarriersConfig>;
+
+from DataFlow::Node source, DataFlow::Node sink
+where XssWithBarriersFlow::flow(source, sink)
+select sink, "XSS vulnerability from $@.", source, "user input"
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions/Exercise5.ql b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions/Exercise5.ql
new file mode 100644
index 0000000..b573817
--- /dev/null
+++ b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions/Exercise5.ql
@@ -0,0 +1,53 @@
+/**
+ * @name Client-side cross-site scripting
+ * @description Writing user input directly to DOM properties allows for XSS
+ * @kind path-problem
+ * @id js/workshop/xss-path
+ * @problem.severity error
+ * @security-severity 7.8
+ * @precision high
+ * @tags security
+ *       external/cwe/cwe-079
+ */
+
+import javascript
+
+module XssFullConfig implements DataFlow::ConfigSig {
+  predicate isSource(DataFlow::Node source) {
+    source instanceof RemoteFlowSource
+  }
+
+  predicate isSink(DataFlow::Node sink) {
+    exists(DataFlow::PropWrite pw |
+      pw.getPropertyName() = ["innerHTML", "outerHTML"] and
+      sink = pw.getRhs()
+    )
+    or
+    exists(DataFlow::CallNode call |
+      call = DataFlow::globalVarRef("document").getAMemberCall("write") and
+      sink = call.getArgument(0)
+    )
+    or
+    exists(DataFlow::CallNode call |
+      call = DataFlow::globalVarRef("eval").getACall() and
+      sink = call.getArgument(0)
+    )
+  }
+
+  predicate isBarrier(DataFlow::Node node) {
+    exists(DataFlow::CallNode sanitizeCall |
+      sanitizeCall.getCalleeName() =
+        ["sanitize", "encodeHTML", "escapeHtml", "encodeURIComponent"] and
+      node = sanitizeCall
+    )
+  }
+}
+
+module XssFullFlow = TaintTracking::Global<XssFullConfig>;
+
+import XssFullFlow::PathGraph
+
+from XssFullFlow::PathNode source, XssFullFlow::PathNode sink
+where XssFullFlow::flowPath(source, sink)
+select sink.getNode(), source, sink, "XSS vulnerability due to $@.", source.getNode(),
+  "user-provided value"
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions/codeql-pack.lock.yml b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions/codeql-pack.lock.yml
new file mode 100644
index 0000000..2fc8548
--- /dev/null
+++ b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions/codeql-pack.lock.yml
@@ -0,0 +1,30 @@
+---
+lockVersion: 1.0.0
+dependencies:
+  codeql/concepts:
+    version: 0.0.13
+  codeql/controlflow:
+    version: 2.0.23
+  codeql/dataflow:
+    version: 2.0.23
+  codeql/javascript-all:
+    version: 2.6.19
+  codeql/mad:
+    version: 1.0.39
+  codeql/regex:
+    version: 1.0.39
+  codeql/ssa:
+    version: 2.0.15
+  codeql/threat-models:
+    version: 1.0.39
+  codeql/tutorial:
+    version: 1.0.39
+  codeql/typetracking:
+    version: 2.0.23
+  codeql/util:
+    version: 2.0.26
+  codeql/xml:
+    version: 1.0.39
+  codeql/yaml:
+    version: 1.0.39
+compiled: false
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions/codeql-pack.yml b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions/codeql-pack.yml
new file mode 100644
index 0000000..3dd3ea6
--- /dev/null
+++ b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/solutions/codeql-pack.yml
@@ -0,0 +1,5 @@
+name: codeql-sap-js-ui5-xss-solutions
+version: 0.0.1
+library: false
+dependencies:
+  codeql/javascript-all: 2.6.19
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/tests-common/codeql-pack.yml b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/tests-common/codeql-pack.yml
new file mode 100644
index 0000000..b052ed4
--- /dev/null
+++ b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/tests-common/codeql-pack.yml
@@ -0,0 +1,2 @@
+name: codeql-sap-js-ui5-xss-tests-common
+version: 0.0.1
diff --git a/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/tests-common/test.js b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/tests-common/test.js
new file mode 100644
index 0000000..268ec8f
--- /dev/null
+++ b/.github/skills/create-codeql-query-development-workshop/examples/codeql-sap-js-ui5-xss/tests-common/test.js
@@ -0,0 +1,68 @@
+// Test cases for XSS taint-tracking workshop
+// Inspired by SAP UI5 XSS production query patterns
+
+// ============================================================
+// POSITIVE CASE 1: Direct XSS via document.location.search → innerHTML
+// ============================================================
+function positiveDirectInnerHTML() {
+  var userInput = document.location.search; // source: URL query string
+  var container = document.getElementById("output");
+  container.innerHTML = userInput; // sink: innerHTML assignment — XSS!
+}
+
+// ============================================================
+// POSITIVE CASE 2: XSS via window.location.hash → document.write()
+// ============================================================
+function positiveDocumentWrite() {
+  var hashValue = window.location.hash; // source: URL hash fragment
+  document.write(hashValue); // sink: document.write — XSS!
+}
+
+// ============================================================
+// POSITIVE CASE 3: XSS via URL param parsed → outerHTML
+// ============================================================
+function positiveOuterHTML() {
+  var params = new URLSearchParams(window.location.search);
+  var name = params.get("name"); // source: user-controlled URL parameter
+  var el = document.getElementById("profile");
+  el.outerHTML = "<div>" + name + "</div>"; // sink: outerHTML assignment — XSS!
+}
+
+// ============================================================
+// NEGATIVE CASE 1: Sanitized value via DOMPurify.sanitize() → innerHTML
+// Should NOT be flagged because the input is sanitized
+// ============================================================
+function negativeSanitized() {
+  var userInput = document.location.search; // source
+  var clean = DOMPurify.sanitize(userInput); // barrier: sanitization
+  var container = document.getElementById("safe-output");
+  container.innerHTML = clean; // safe: sanitized input
+}
+
+// ============================================================
+// NEGATIVE CASE 2: Hardcoded string → innerHTML
+// Should NOT be flagged because there is no user-controlled source
+// ============================================================
+function negativeHardcoded() {
+  var container = document.getElementById("static-content");
+  container.innerHTML = "<p>Welcome to the application</p>"; // safe: hardcoded
+}
+
+// ============================================================
+// EDGE CASE: XSS via eval() with URL input
+// ============================================================
+function edgeCaseEval() {
+  var code = window.location.hash.substring(1); // source: URL hash
+  eval(code); // sink: eval — code injection / XSS!
+}
+
+// ============================================================
+// NEGATIVE CASE 3: encodeURIComponent barrier
+// Should NOT be flagged because input is encoded
+// ============================================================
+function negativeEncoded() {
+  var userInput = document.location.search;
+  var encoded = encodeURIComponent(userInput); // barrier: encoding
+  var container = document.getElementById("encoded-output");
+  container.innerHTML = encoded; // safe: encoded input
+}
diff --git a/.github/skills/upgrade-codeql-cli-and-packs/SKILL.md b/.github/skills/upgrade-codeql-cli-and-packs/SKILL.md
index 50d8cc7..28b73c1 100644
--- a/.github/skills/upgrade-codeql-cli-and-packs/SKILL.md
+++ b/.github/skills/upgrade-codeql-cli-and-packs/SKILL.md
@@ -24,9 +24,9 @@ This skill guides you through upgrading the CodeQL CLI version used by the MCP s
 
 This repository uses a **CLI-aligned versioning strategy** across all version-bearing files:
 
-1. **`.codeql-version`**: Contains the target CLI version (e.g., `v2.24.0`)
-2. **`package.json` versions**: All `package.json` files (root, client, server) use the CLI version number without the "v" prefix (e.g., `2.24.0`)
-3. **`ql-mcp-*` pack versions**: Use the CLI version number without the "v" prefix (e.g., `2.24.0`)
+1. **`.codeql-version`**: Contains the target CLI version (e.g., `v2.24.1`)
+2. **`package.json` versions**: All `package.json` files (root, client, server) use the CLI version number without the "v" prefix (e.g., `2.24.1`)
+3. **`ql-mcp-*` pack versions**: Use the CLI version number without the "v" prefix (e.g., `2.24.1`)
 4. **`codeql/*-all` dependencies**: Must have `cliVersion <= target CLI version`
 
 ### Why Database Compatibility Matters
@@ -69,17 +69,25 @@ gh codeql set-version vX.XX.Y
 codeql version  # Verify installation
 ```
 
-#### 1.3 Update package.json Versions
+#### 1.3 Update All Version-Bearing Files
 
-All `package.json` files must have their `version` field set to match the CLI version (without the "v" prefix):
+Use the `update-release-version.sh` script to deterministically update `.codeql-version`, all `package.json` files, and all `codeql-pack.yml` files in a single command:
 
-| File                  | Field to Update |
-| --------------------- | --------------- |
-| `package.json`        | `version`       |
-| `client/package.json` | `version`       |
-| `server/package.json` | `version`       |
+```bash
+./server/scripts/update-release-version.sh X.XX.Y
+```
+
+This updates all 22 version-bearing files. Preview changes first with `--dry-run`:
+
+```bash
+./server/scripts/update-release-version.sh --dry-run X.XX.Y
+```
 
-Example: If `.codeql-version` is `v2.24.0`, set all `package.json` versions to `"version": "2.24.0"`.
+Verify consistency with `--check`:
+
+```bash
+./server/scripts/update-release-version.sh --check X.XX.Y
+```
 
 After updating, regenerate the lock file:
 
@@ -125,6 +133,8 @@ Then re-verify the `cliVersion` is compatible.
 
 ### Phase 3: Update codeql-pack.yml Files
 
+> **Note**: The `version` field in all `codeql-pack.yml` files is already updated by the `update-release-version.sh` script in Phase 1.3. This phase focuses on updating `codeql/*-all` **dependency versions** for compatibility.
+
 #### 3.1 Files to Update
 
 All `codeql-pack.yml` files under `server/ql/*/tools/`:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 995eab0..8eee4e0 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -6,6 +6,11 @@ on:
       - 'v*'
   workflow_dispatch:
     inputs:
+      publish_codeql_packs:
+        default: true
+        description: 'Publish CodeQL tool query packs to GHCR. Disable for pre-release or re-run scenarios where packs already exist.'
+        required: false
+        type: boolean
       version:
         description: 'Release version (e.g., vX.Y.Z). Must start with "v".'
         required: true
@@ -27,6 +32,8 @@ jobs:
       - name: Release - Checkout repository
         uses: actions/checkout@v6
         with:
+          # Fetch tags so workflow_dispatch can resolve and checkout the target tag
+          fetch-tags: true
           # Explicitly checkout the tag ref to ensure we build the correct commit
           # For tag pushes: refs/tags/vX.Y.Z
           # For workflow_dispatch: refs/heads/<branch> (will be validated below)
@@ -56,7 +63,7 @@ jobs:
           echo "version=${VERSION}" >> $GITHUB_OUTPUT
           echo "release_name=${VERSION#v}" >> $GITHUB_OUTPUT
 
-      - name: Release - Checkout tag for workflow_dispatch
+      - name: Release - Checkout or create tag for workflow_dispatch
         if: github.event_name == 'workflow_dispatch'
         run: |
           # For workflow_dispatch, we need to checkout the specific tag
@@ -65,8 +72,11 @@ jobs:
             echo "Checking out existing tag: ${TAG}"
             git checkout "refs/tags/${TAG}"
           else
-            echo "::error::Tag '${TAG}' does not exist. Create the tag first before running this workflow."
-            exit 1
+            echo "Tag '${TAG}' does not exist. Creating it now..."
+            CURRENT_SHA=$(git rev-parse HEAD)
+            git tag "${TAG}" "${CURRENT_SHA}"
+            git push origin "${TAG}"
+            echo "✅ Created and pushed tag: ${TAG} at commit ${CURRENT_SHA:0:8}"
           fi
 
       - name: Release - Verify checkout matches expected version
@@ -85,20 +95,31 @@ jobs:
             echo "::warning::Tag ${TAG} not found, building from current checkout at ${CURRENT_SHA:0:8}"
           fi
 
+      - name: Release - Setup CodeQL environment
+        uses: ./.github/actions/setup-codeql-environment
+        with:
+          add-to-path: true
+          install-language-runtimes: false
+
+      - name: Release - Update release version
+        run: |
+          TAG_VERSION="${{ steps.version.outputs.release_name }}"
+          echo "Updating all version-bearing files to '${TAG_VERSION}'..."
+          ./server/scripts/update-release-version.sh "${TAG_VERSION}"
+
       - name: Release - Install dependencies
-        run: npm ci --include=optional
+        run: npm install --include=optional
 
       - name: Release - Build server
         run: npm run build -w server
 
-      - name: Release - Initialize CodeQL
-        uses: github/codeql-action/init@v3
-        with:
-          languages: javascript-typescript
-          tools: latest
+      - name: Release - Install CodeQL pack dependencies
+        run: server/scripts/install-packs.sh
 
       - name: Release - Publish CodeQL tool query packs
-        if: startsWith(github.ref, 'refs/tags/')
+        if: |
+          (startsWith(github.ref, 'refs/tags/') || github.event_name == 'workflow_dispatch')
+          && (github.event_name != 'workflow_dispatch' || inputs.publish_codeql_packs)
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
@@ -115,8 +136,36 @@ jobs:
             fi
           done
 
+      - name: Release - Skip CodeQL tool query pack publishing
+        if: github.event_name == 'workflow_dispatch' && !inputs.publish_codeql_packs
+        run: echo "⏭️ CodeQL tool query pack publishing disabled via workflow input"
+
+      - name: Release - Bundle CodeQL tool query packs
+        run: |
+          mkdir -p dist-packs
+          LANGUAGES="actions cpp csharp go java javascript python ruby swift"
+          echo "Bundling CodeQL tool query packs..."
+          for lang in ${LANGUAGES}; do
+            PACK_DIR="server/ql/${lang}/tools/src"
+            if [ -d "${PACK_DIR}" ]; then
+              PACK_NAME="ql-mcp-${lang}-tools-src"
+              OUTPUT="dist-packs/${PACK_NAME}.tar.gz"
+              echo "📦 Bundling ${PACK_DIR} -> ${OUTPUT}..."
+              codeql pack bundle --threads=-1 --output="${OUTPUT}" -- "${PACK_DIR}"
+              echo "✅ Bundled ${PACK_NAME}"
+            fi
+          done
+          echo "Bundled packs:"
+          ls -lh dist-packs/
+
+      - name: Release - Upload CodeQL pack artifacts
+        uses: actions/upload-artifact@v6
+        with:
+          name: codeql-tool-query-packs-${{ steps.version.outputs.version }}
+          path: dist-packs/*.tar.gz
+
       - name: Release - Publish npm package
-        if: startsWith(github.ref, 'refs/tags/')
+        if: startsWith(github.ref, 'refs/tags/') || github.event_name == 'workflow_dispatch'
         working-directory: server
         env:
           NODE_AUTH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
@@ -135,9 +184,6 @@ jobs:
           cp -r server/ql dist-package/server/
           cp server/package.json dist-package/server/
 
-          # Copy root package-lock.json for npm ci (monorepo lockfile)
-          cp package-lock.json dist-package/server/
-
           # Copy root files
           cp README.md dist-package/
           cp LICENSE dist-package/
@@ -152,7 +198,7 @@ jobs:
 
       - name: Release - Install production dependencies
         working-directory: dist-package/server
-        run: npm ci --omit=dev --include=optional
+        run: npm install --omit=dev --include=optional
 
       - name: Release - Create archive
         run: |
@@ -165,21 +211,31 @@ jobs:
           path: codeql-development-mcp-server-${{ steps.version.outputs.version }}.tar.gz
 
       - name: Release - Create GitHub Release
-        if: startsWith(github.ref, 'refs/tags/')
+        if: startsWith(github.ref, 'refs/tags/') || github.event_name == 'workflow_dispatch'
         uses: softprops/action-gh-release@a06a81a03ee405af7f2048a818ed3f03bbf83c7b # v2.5.0
         with:
-          files: codeql-development-mcp-server-${{ steps.version.outputs.version }}.tar.gz
+          files: |
+            codeql-development-mcp-server-${{ steps.version.outputs.version }}.tar.gz
+            dist-packs/*.tar.gz
           generate_release_notes: true
+          tag_name: ${{ steps.version.outputs.version }}
 
       - name: Release - Summary
         run: |
           echo "## Release Summary" >> $GITHUB_STEP_SUMMARY
-          echo "✅ Server built successfully" >> $GITHUB_STEP_SUMMARY
-          echo "✅ npm package published to GitHub Packages" >> $GITHUB_STEP_SUMMARY
-          echo "✅ CodeQL tool query packs published to GHCR" >> $GITHUB_STEP_SUMMARY
-          echo "✅ Distribution package created" >> $GITHUB_STEP_SUMMARY
-          echo "✅ Production dependencies installed" >> $GITHUB_STEP_SUMMARY
-          echo "✅ Archive created: codeql-development-mcp-server-${{ steps.version.outputs.version }}.tar.gz" >> $GITHUB_STEP_SUMMARY
+          echo "" >> $GITHUB_STEP_SUMMARY
+          echo "| Step | Status |" >> $GITHUB_STEP_SUMMARY
+          echo "| ---- | ------ |" >> $GITHUB_STEP_SUMMARY
+          echo "| Server build | ✅ Success |" >> $GITHUB_STEP_SUMMARY
+          echo "| Version validation | ✅ All files match ${{ steps.version.outputs.release_name }} |" >> $GITHUB_STEP_SUMMARY
+          if [[ "${{ github.event_name }}" == "workflow_dispatch" && "${{ inputs.publish_codeql_packs }}" != "true" ]]; then
+            echo "| CodeQL pack publish | ⏭️ Skipped (disabled via input) |" >> $GITHUB_STEP_SUMMARY
+          else
+            echo "| CodeQL pack publish | ✅ Published to GHCR |" >> $GITHUB_STEP_SUMMARY
+          fi
+          echo "| npm package | ✅ Published to GitHub Packages |" >> $GITHUB_STEP_SUMMARY
+          echo "| Distribution archive | ✅ Created |" >> $GITHUB_STEP_SUMMARY
+          echo "| CodeQL pack bundles | ✅ Bundled |" >> $GITHUB_STEP_SUMMARY
           echo "" >> $GITHUB_STEP_SUMMARY
           echo "### Package Contents" >> $GITHUB_STEP_SUMMARY
           echo "- \`server/dist/\` - Bundled JavaScript output" >> $GITHUB_STEP_SUMMARY
diff --git a/.prettierignore b/.prettierignore
index efdfd63..3ca7cbe 100644
--- a/.prettierignore
+++ b/.prettierignore
@@ -7,10 +7,12 @@
 *.testproj/
 options
 
+.tmp/
 build
 client/**/after/
 client/**/before/
 coverage
 node_modules
 server/dist/
-
+query-results*
+workshops/
diff --git a/SECURITY.md b/SECURITY.md
index f0d75ed..f1950ce 100644
--- a/SECURITY.md
+++ b/SECURITY.md
@@ -1,7 +1,7 @@
-Thanks for helping make GitHub safe for everyone.
-
 # Security
 
+Thanks for helping make GitHub safe for everyone.
+
 GitHub takes the security of our software products and services seriously, including all of the open source code repositories managed through our GitHub organizations, such as [GitHub](https://github.com/GitHub).
 
 Even though [open source repositories are outside of the scope of our bug bounty program](https://bounty.github.com/index.html#scope) and therefore not eligible for bounty rewards, we will ensure that your finding gets passed along to the appropriate maintainers for remediation.
diff --git a/client/CLI-USAGE.md b/client/CLI-USAGE.md
index 882f157..ef4ebd1 100644
--- a/client/CLI-USAGE.md
+++ b/client/CLI-USAGE.md
@@ -154,7 +154,7 @@ Set the output format for `list` commands. Accepts `text` (default) or `json`.
 
 **Text Format** - Human-readable output:
 
-```
+```text
 codeql_bqrs_decode (tools/codeql_bqrs_decode) : Decode BQRS result files to human-readable formats
 ```
 
@@ -348,7 +348,7 @@ node src/ql-mcp-client.js list tools
 
 Output:
 
-```
+```text
 codeql_bqrs_decode (tools/codeql_bqrs_decode) : Decode BQRS result files to human-readable formats
 codeql_bqrs_info (tools/codeql_bqrs_info) : Get metadata and information about BQRS result files
 ...
@@ -451,7 +451,7 @@ The old CLI flags have been removed and new commands have been added:
   - New: `node src/ql-mcp-client.js` → shows help
   - To run integration tests: `node src/ql-mcp-client.js integration-tests`
 
-### New Features:
+### New Features
 
 - **`list` commands**: Discover MCP server primitives (auto-starts server if needed)
   - `list primitives` - List all primitives (prompts, resources, tools)
@@ -464,7 +464,7 @@ The old CLI flags have been removed and new commands have been added:
 - **`--format` option**: Control output format (text/json) for list commands
 - **Server auto-start**: List commands automatically start the server if not running
 
-### Script Replacement:
+### Script Replacement
 
 The new `server` commands replace the shell scripts:
 
diff --git a/client/integration-tests/primitives/tools/codeql_bqrs_interpret/sarif_format/after/results.sarif b/client/integration-tests/primitives/tools/codeql_bqrs_interpret/sarif_format/after/results.sarif
index 53b9172..22727fc 100644
--- a/client/integration-tests/primitives/tools/codeql_bqrs_interpret/sarif_format/after/results.sarif
+++ b/client/integration-tests/primitives/tools/codeql_bqrs_interpret/sarif_format/after/results.sarif
@@ -1 +1 @@
-{"$schema":"https://json.schemastore.org/sarif-2.1.0.json","version":"2.1.0","runs":[{"tool":{"driver":{"name":"CodeQL","organization":"GitHub","semanticVersion":"2.24.0","rules":[{"id":"test/query","name":"test/query","shortDescription":{"text":"ExampleQuery1"},"fullDescription":{"text":"Example query for integration testing of the codeql_test_extract MCP server tool."},"defaultConfiguration":{"enabled":true,"level":"warning"},"help":{"text":"# Query Help for JavaScript ExampleQuery1\n\nTODO\n","markdown":"# Query Help for JavaScript ExampleQuery1\n\nTODO\n"},"properties":{"tags":["mcp-integration-tests"],"description":"Example query for integration testing of the codeql_test_extract MCP server tool.","id":"test/query","kind":"problem","name":"ExampleQuery1","precision":"medium","problem.severity":"warning"}}]},"extensions":[{"name":"mcp-client-integration-tests-static-javascript-src","semanticVersion":"0.0.1+fe0e7d2a7059ebb6c6075ff8eaea04f382747656","locations":[{"uri":"file:///home/runner/work/codeql-development-mcp-server/codeql-development-mcp-server/client/integration-tests/static/javascript/src/","description":{"text":"The QL pack root directory."},"properties":{"tags":["CodeQL/LocalPackRoot"]}},{"uri":"file:///home/runner/work/codeql-development-mcp-server/codeql-development-mcp-server/client/integration-tests/static/javascript/src/codeql-pack.yml","description":{"text":"The QL pack definition file."},"properties":{"tags":["CodeQL/LocalPackDefinitionFile"]}}]},{"name":"codeql/javascript-all","semanticVersion":"2.6.11+ce9c8e6e9fd41ef0967b13849bb6ae2183caf9ad","locations":[{"uri":"file:///home/runner/.codeql/packages/codeql/javascript-all/2.6.11/","description":{"text":"The QL pack root directory."},"properties":{"tags":["CodeQL/LocalPackRoot"]}},{"uri":"file:///home/runner/.codeql/packages/codeql/javascript-all/2.6.11/qlpack.yml","description":{"text":"The QL pack definition file."},"properties":{"tags":["CodeQL/LocalPackDefinitionFile"]}}]},{"name":"codeql/threat-models","semanticVersion":"1.0.31+ce9c8e6e9fd41ef0967b13849bb6ae2183caf9ad","locations":[{"uri":"file:///home/runner/.codeql/packages/codeql/threat-models/1.0.31/","description":{"text":"The QL pack root directory."},"properties":{"tags":["CodeQL/LocalPackRoot"]}},{"uri":"file:///home/runner/.codeql/packages/codeql/threat-models/1.0.31/qlpack.yml","description":{"text":"The QL pack definition file."},"properties":{"tags":["CodeQL/LocalPackDefinitionFile"]}}]}]},"artifacts":[{"location":{"uri":"file:/home/runner/work/codeql-development-mcp-server/codeql-development-mcp-server/client/integration-tests/static/javascript/test/ExampleQuery1/ExampleQuery1.js","index":0}}],"results":[{"ruleId":"test/query","ruleIndex":0,"rule":{"id":"test/query","index":0},"message":{"text":"Example test code file found for codeql_test_extract example query."},"locations":[{"physicalLocation":{"artifactLocation":{"uri":"file:/home/runner/work/codeql-development-mcp-server/codeql-development-mcp-server/client/integration-tests/static/javascript/test/ExampleQuery1/ExampleQuery1.js","index":0}}}]}],"columnKind":"utf16CodeUnits","properties":{"semmle.formatSpecifier":"sarif-latest"}}]}
\ No newline at end of file
+{"$schema":"https://json.schemastore.org/sarif-2.1.0.json","version":"2.1.0","runs":[{"tool":{"driver":{"name":"CodeQL","organization":"GitHub","semanticVersion":"2.24.1","rules":[{"id":"test/query","name":"test/query","shortDescription":{"text":"ExampleQuery1"},"fullDescription":{"text":"Example query for integration testing of the codeql_test_extract MCP server tool."},"defaultConfiguration":{"enabled":true,"level":"warning"},"help":{"text":"# Query Help for JavaScript ExampleQuery1\n\nTODO\n","markdown":"# Query Help for JavaScript ExampleQuery1\n\nTODO\n"},"properties":{"tags":["mcp-integration-tests"],"description":"Example query for integration testing of the codeql_test_extract MCP server tool.","id":"test/query","kind":"problem","name":"ExampleQuery1","precision":"medium","problem.severity":"warning"}}]},"extensions":[{"name":"mcp-client-integration-tests-static-javascript-src","semanticVersion":"0.0.1+fe0e7d2a7059ebb6c6075ff8eaea04f382747656","locations":[{"uri":"file:///home/runner/work/codeql-development-mcp-server/codeql-development-mcp-server/client/integration-tests/static/javascript/src/","description":{"text":"The QL pack root directory."},"properties":{"tags":["CodeQL/LocalPackRoot"]}},{"uri":"file:///home/runner/work/codeql-development-mcp-server/codeql-development-mcp-server/client/integration-tests/static/javascript/src/codeql-pack.yml","description":{"text":"The QL pack definition file."},"properties":{"tags":["CodeQL/LocalPackDefinitionFile"]}}]},{"name":"codeql/javascript-all","semanticVersion":"2.6.11+ce9c8e6e9fd41ef0967b13849bb6ae2183caf9ad","locations":[{"uri":"file:///home/runner/.codeql/packages/codeql/javascript-all/2.6.11/","description":{"text":"The QL pack root directory."},"properties":{"tags":["CodeQL/LocalPackRoot"]}},{"uri":"file:///home/runner/.codeql/packages/codeql/javascript-all/2.6.11/qlpack.yml","description":{"text":"The QL pack definition file."},"properties":{"tags":["CodeQL/LocalPackDefinitionFile"]}}]},{"name":"codeql/threat-models","semanticVersion":"1.0.31+ce9c8e6e9fd41ef0967b13849bb6ae2183caf9ad","locations":[{"uri":"file:///home/runner/.codeql/packages/codeql/threat-models/1.0.31/","description":{"text":"The QL pack root directory."},"properties":{"tags":["CodeQL/LocalPackRoot"]}},{"uri":"file:///home/runner/.codeql/packages/codeql/threat-models/1.0.31/qlpack.yml","description":{"text":"The QL pack definition file."},"properties":{"tags":["CodeQL/LocalPackDefinitionFile"]}}]}]},"artifacts":[{"location":{"uri":"file:/home/runner/work/codeql-development-mcp-server/codeql-development-mcp-server/client/integration-tests/static/javascript/test/ExampleQuery1/ExampleQuery1.js","index":0}}],"results":[{"ruleId":"test/query","ruleIndex":0,"rule":{"id":"test/query","index":0},"message":{"text":"Example test code file found for codeql_test_extract example query."},"locations":[{"physicalLocation":{"artifactLocation":{"uri":"file:/home/runner/work/codeql-development-mcp-server/codeql-development-mcp-server/client/integration-tests/static/javascript/test/ExampleQuery1/ExampleQuery1.js","index":0}}}]}],"columnKind":"utf16CodeUnits","properties":{"semmle.formatSpecifier":"sarif-latest"}}]}
\ No newline at end of file
diff --git a/client/package.json b/client/package.json
index 6237386..2d314e7 100644
--- a/client/package.json
+++ b/client/package.json
@@ -1,6 +1,6 @@
 {
   "name": "codeql-development-mcp-server_client",
-  "version": "2.24.0",
+  "version": "2.24.1",
   "description": "MCP client for integration testing of the CodeQL development MCP server",
   "main": "src/ql-mcp-client.js",
   "type": "module",
@@ -32,8 +32,8 @@
     "js-yaml": "^4.1.1"
   },
   "devDependencies": {
-    "@eslint/js": "^9.39.2",
-    "eslint": "^9.39.2",
+    "@eslint/js": "^10.0.1",
+    "eslint": "^10.0.0",
     "eslint-config-prettier": "^10.1.8",
     "eslint-plugin-prettier": "^5.5.5",
     "prettier": "^3.8.1"
diff --git a/client/src/lib/commands/basic-commands.js b/client/src/lib/commands/basic-commands.js
index 2a9a0ff..78975e7 100644
--- a/client/src/lib/commands/basic-commands.js
+++ b/client/src/lib/commands/basic-commands.js
@@ -151,7 +151,9 @@ export async function executeSourceRootValidateCommand(_client, _options = {}) {
       // Write file with UTF-8 encoding
       await writeFile(outputFile, output, "utf-8");
     } catch (error) {
-      throw new Error(`Failed to write output file ${outputFile}: ${error.message}`);
+      throw new Error(`Failed to write output file ${outputFile}: ${error.message}`, {
+        cause: error
+      });
     }
   }
 
diff --git a/client/src/lib/commands/metadata-commands.js b/client/src/lib/commands/metadata-commands.js
index fed7fec..ddd86a2 100644
--- a/client/src/lib/commands/metadata-commands.js
+++ b/client/src/lib/commands/metadata-commands.js
@@ -67,7 +67,9 @@ export async function executeQueriesMetadataCollectCommand(client, _options = {}
       // Write file with UTF-8 encoding
       await writeFile(outputFile, output, "utf-8");
     } catch (error) {
-      throw new Error(`Failed to write output file ${outputFile}: ${error.message}`);
+      throw new Error(`Failed to write output file ${outputFile}: ${error.message}`, {
+        cause: error
+      });
     }
 
     // Log summary to stderr
@@ -123,7 +125,9 @@ export async function executeQueriesMetadataProcessCommand(_client, _options = {
       // Write file with UTF-8 encoding
       await writeFile(outputFile, output, "utf-8");
     } catch (error) {
-      throw new Error(`Failed to write output file ${outputFile}: ${error.message}`);
+      throw new Error(`Failed to write output file ${outputFile}: ${error.message}`, {
+        cause: error
+      });
     }
   } else {
     throw new Error(
@@ -179,7 +183,9 @@ export async function executeQueriesMetadataFilterCommand(_client, _options = {}
     // Write file with UTF-8 encoding
     await writeFile(outputFile, output, "utf-8");
   } catch (error) {
-    throw new Error(`Failed to write output file ${outputFile}: ${error.message}`);
+    throw new Error(`Failed to write output file ${outputFile}: ${error.message}`, {
+      cause: error
+    });
   }
 
   // Log summary to stderr
@@ -232,7 +238,9 @@ export async function executeResolveAllQueriesCommand(client, _options = {}) {
       // Write file with UTF-8 encoding
       await writeFile(outputFile, output, "utf-8");
     } catch (error) {
-      throw new Error(`Failed to write output file ${outputFile}: ${error.message}`);
+      throw new Error(`Failed to write output file ${outputFile}: ${error.message}`, {
+        cause: error
+      });
     }
 
     // Log summary to stderr
diff --git a/docs/public.md b/docs/public.md
index 1cef040..91dd99e 100644
--- a/docs/public.md
+++ b/docs/public.md
@@ -69,7 +69,7 @@ codeql pack download advanced-security/ql-mcp-swift-tools-src
 To pin a version, append `@<version>`:
 
 ```bash
-codeql pack download advanced-security/ql-mcp-javascript-tools-src@2.24.0
+codeql pack download advanced-security/ql-mcp-javascript-tools-src@2.24.1
 ```
 
 Each tool query pack provides AST printing, control-flow graph printing, and call-graph queries used by the MCP server to give AI assistants structural insight into CodeQL databases.
@@ -236,10 +236,10 @@ Published to the GitHub Container Registry under the `advanced-security` scope.
 ```yaml
 # Example: server/ql/javascript/tools/src/codeql-pack.yml
 name: advanced-security/ql-mcp-javascript-tools-src
-version: 2.24.0
+version: 2.24.1
 library: false
 dependencies:
-  codeql/javascript-all: 2.6.20
+  codeql/javascript-all: 2.6.21
 ```
 
 ## Troubleshooting
diff --git a/package-lock.json b/package-lock.json
index 42fc939..9aa35b6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "codeql-development-mcp-server_repo",
-  "version": "2.24.0",
+  "version": "2.24.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "codeql-development-mcp-server_repo",
-      "version": "2.24.0",
+      "version": "2.24.1",
       "license": "SEE LICENSE IN LICENSE",
       "workspaces": [
         "client",
@@ -18,7 +18,7 @@
         "eslint-plugin-prettier": "^5.5.5",
         "prettier": "^3.8.1",
         "typescript": "^5.9.3",
-        "typescript-eslint": "^8.54.0"
+        "typescript-eslint": "^8.55.0"
       },
       "engines": {
         "node": ">=24.13.0",
@@ -27,7 +27,7 @@
     },
     "client": {
       "name": "codeql-development-mcp-server_client",
-      "version": "2.24.0",
+      "version": "2.24.1",
       "license": "SEE LICENSE IN LICENSE",
       "dependencies": {
         "@modelcontextprotocol/sdk": "^1.26.0",
@@ -38,8 +38,8 @@
         "codeql-mcp-client": "src/ql-mcp-client.js"
       },
       "devDependencies": {
-        "@eslint/js": "^9.39.2",
-        "eslint": "^9.39.2",
+        "@eslint/js": "^10.0.1",
+        "eslint": "^10.0.0",
         "eslint-config-prettier": "^10.1.8",
         "eslint-plugin-prettier": "^5.5.5",
         "prettier": "^3.8.1"
@@ -49,6 +49,215 @@
         "npm": ">=11.6.2"
       }
     },
+    "client/node_modules/@eslint/config-array": {
+      "version": "0.23.1",
+      "resolved": "https://registry.npmjs.org/@eslint/config-array/-/config-array-0.23.1.tgz",
+      "integrity": "sha512-uVSdg/V4dfQmTjJzR0szNczjOH/J+FyUMMjYtr07xFRXR7EDf9i1qdxrD0VusZH9knj1/ecxzCQQxyic5NzAiA==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "dependencies": {
+        "@eslint/object-schema": "^3.0.1",
+        "debug": "^4.3.1",
+        "minimatch": "^10.1.1"
+      },
+      "engines": {
+        "node": "^20.19.0 || ^22.13.0 || >=24"
+      }
+    },
+    "client/node_modules/@eslint/config-helpers": {
+      "version": "0.5.2",
+      "resolved": "https://registry.npmjs.org/@eslint/config-helpers/-/config-helpers-0.5.2.tgz",
+      "integrity": "sha512-a5MxrdDXEvqnIq+LisyCX6tQMPF/dSJpCfBgBauY+pNZ28yCtSsTvyTYrMhaI+LK26bVyCJfJkT0u8KIj2i1dQ==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "dependencies": {
+        "@eslint/core": "^1.1.0"
+      },
+      "engines": {
+        "node": "^20.19.0 || ^22.13.0 || >=24"
+      }
+    },
+    "client/node_modules/@eslint/core": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@eslint/core/-/core-1.1.0.tgz",
+      "integrity": "sha512-/nr9K9wkr3P1EzFTdFdMoLuo1PmIxjmwvPozwoSodjNBdefGujXQUF93u1DDZpEaTuDvMsIQddsd35BwtrW9Xw==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "dependencies": {
+        "@types/json-schema": "^7.0.15"
+      },
+      "engines": {
+        "node": "^20.19.0 || ^22.13.0 || >=24"
+      }
+    },
+    "client/node_modules/@eslint/js": {
+      "version": "10.0.1",
+      "resolved": "https://registry.npmjs.org/@eslint/js/-/js-10.0.1.tgz",
+      "integrity": "sha512-zeR9k5pd4gxjZ0abRoIaxdc7I3nDktoXZk2qOv9gCNWx3mVwEn32VRhyLaRsDiJjTs0xq/T8mfPtyuXu7GWBcA==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": "^20.19.0 || ^22.13.0 || >=24"
+      },
+      "funding": {
+        "url": "https://eslint.org/donate"
+      },
+      "peerDependencies": {
+        "eslint": "^10.0.0"
+      },
+      "peerDependenciesMeta": {
+        "eslint": {
+          "optional": true
+        }
+      }
+    },
+    "client/node_modules/@eslint/object-schema": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/@eslint/object-schema/-/object-schema-3.0.1.tgz",
+      "integrity": "sha512-P9cq2dpr+LU8j3qbLygLcSZrl2/ds/pUpfnHNNuk5HW7mnngHs+6WSq5C9mO3rqRX8A1poxqLTC9cu0KOyJlBg==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "engines": {
+        "node": "^20.19.0 || ^22.13.0 || >=24"
+      }
+    },
+    "client/node_modules/@eslint/plugin-kit": {
+      "version": "0.6.0",
+      "resolved": "https://registry.npmjs.org/@eslint/plugin-kit/-/plugin-kit-0.6.0.tgz",
+      "integrity": "sha512-bIZEUzOI1jkhviX2cp5vNyXQc6olzb2ohewQubuYlMXZ2Q/XjBO0x0XhGPvc9fjSIiUN0vw+0hq53BJ4eQSJKQ==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "dependencies": {
+        "@eslint/core": "^1.1.0",
+        "levn": "^0.4.1"
+      },
+      "engines": {
+        "node": "^20.19.0 || ^22.13.0 || >=24"
+      }
+    },
+    "client/node_modules/eslint": {
+      "version": "10.0.0",
+      "resolved": "https://registry.npmjs.org/eslint/-/eslint-10.0.0.tgz",
+      "integrity": "sha512-O0piBKY36YSJhlFSG8p9VUdPV/SxxS4FYDWVpr/9GJuMaepzwlf4J8I4ov1b+ySQfDTPhc3DtLaxcT1fN0yqCg==",
+      "dev": true,
+      "license": "MIT",
+      "peer": true,
+      "dependencies": {
+        "@eslint-community/eslint-utils": "^4.8.0",
+        "@eslint-community/regexpp": "^4.12.2",
+        "@eslint/config-array": "^0.23.0",
+        "@eslint/config-helpers": "^0.5.2",
+        "@eslint/core": "^1.1.0",
+        "@eslint/plugin-kit": "^0.6.0",
+        "@humanfs/node": "^0.16.6",
+        "@humanwhocodes/module-importer": "^1.0.1",
+        "@humanwhocodes/retry": "^0.4.2",
+        "@types/estree": "^1.0.6",
+        "ajv": "^6.12.4",
+        "cross-spawn": "^7.0.6",
+        "debug": "^4.3.2",
+        "escape-string-regexp": "^4.0.0",
+        "eslint-scope": "^9.1.0",
+        "eslint-visitor-keys": "^5.0.0",
+        "espree": "^11.1.0",
+        "esquery": "^1.7.0",
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+        "fast-deep-equal": "^3.1.3",
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@@ -763,6 +972,29 @@
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-        "@typescript-eslint/types": "8.54.0",
-        "@typescript-eslint/visitor-keys": "8.54.0",
+        "@typescript-eslint/project-service": "8.55.0",
+        "@typescript-eslint/tsconfig-utils": "8.55.0",
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@@ -1586,16 +1825,16 @@
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@@ -1610,13 +1849,13 @@
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+        "@typescript-eslint/types": "8.55.0",
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@@ -4113,16 +4352,16 @@
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-        "@typescript-eslint/typescript-estree": "8.54.0",
-        "@typescript-eslint/utils": "8.54.0"
+        "@typescript-eslint/eslint-plugin": "8.55.0",
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@@ -4408,7 +4647,7 @@
     },
     "server": {
       "name": "@advanced-security/codeql-development-mcp-server",
-      "version": "2.24.0",
+      "version": "2.24.1",
       "license": "SEE LICENSE IN LICENSE",
       "dependencies": {
         "@modelcontextprotocol/sdk": "^1.26.0",
diff --git a/package.json b/package.json
index d4d38fb..2e2b36a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "codeql-development-mcp-server_repo",
-  "version": "2.24.0",
+  "version": "2.24.1",
   "description": "An MCP server supporting LLM requests for CodeQL development tools and resources.",
   "private": true,
   "type": "module",
@@ -28,7 +28,7 @@
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     "prettier": "^3.8.1",
     "typescript": "^5.9.3",
-    "typescript-eslint": "^8.54.0"
+    "typescript-eslint": "^8.55.0"
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   "scripts": {
     "build": "npm run build -w server",
@@ -49,7 +49,7 @@
     "tidy": "npm run lint:fix && npm run format",
     "tidy:check": "npm run lint && npm run format:check",
     "upgrade": "npm run upgrade:node",
-    "upgrade:node": "npx -y npm-check-updates --color --install always --reject zod --root --upgrade --workspaces"
+    "upgrade:node": "npx -y npm-check-updates --color --install always --peer --reject zod --root --upgrade --workspaces"
   },
   "workspaces": [
     "client",
diff --git a/server/dist/codeql-development-mcp-server.js b/server/dist/codeql-development-mcp-server.js
index cc56dd6..3e5f65c 100755
--- a/server/dist/codeql-development-mcp-server.js
+++ b/server/dist/codeql-development-mcp-server.js
@@ -9364,7 +9364,7 @@ init_package_paths();
 init_logger();
 dotenv.config({ path: resolve11(packageRootDir, ".env") });
 var PACKAGE_NAME = "codeql-development-mcp-server";
-var VERSION = "2.24.0";
+var VERSION = "2.24.1";
 async function startServer(mode = "stdio") {
   logger.info(`Starting CodeQL Development MCP McpServer v${VERSION} in ${mode} mode`);
   const codeqlBinary = resolveCodeQLBinary();
diff --git a/server/dist/codeql-development-mcp-server.js.map b/server/dist/codeql-development-mcp-server.js.map
index 7bb90fa..5a99de0 100644
--- a/server/dist/codeql-development-mcp-server.js.map
+++ b/server/dist/codeql-development-mcp-server.js.map
@@ -1,7 +1,7 @@
 {
   "version": 3,
   "sources": ["../src/utils/logger.ts", "../src/lib/server-config.ts", "../src/utils/package-paths.ts", "../src/utils/temp-dir.ts", "../src/utils/process-ready.ts", "../src/lib/language-server.ts", "../src/lib/query-server.ts", "../src/lib/cli-server.ts", "../src/lib/server-manager.ts", "../src/lib/cli-executor.ts", "../src/codeql-development-mcp-server.ts", "../src/tools/codeql/bqrs-decode.ts", "../src/lib/cli-tool-registry.ts", "../src/lib/query-results-evaluator.ts", "../src/lib/log-directory-manager.ts", "../src/tools/codeql/bqrs-info.ts", "../src/tools/codeql/bqrs-interpret.ts", "../src/tools/codeql/database-analyze.ts", "../src/tools/codeql/database-create.ts", "../src/tools/codeql/find-class-position.ts", "../src/tools/codeql/find-predicate-position.ts", "../src/tools/codeql/find-query-files.ts", "../src/lib/query-file-finder.ts", "../../node_modules/js-yaml/dist/js-yaml.mjs", "../src/lib/metadata-resolver.ts", "../src/tools/codeql/generate-log-summary.ts", "../src/tools/codeql/generate-query-help.ts", "../src/tools/codeql/pack-install.ts", "../src/tools/codeql/pack-ls.ts", "../src/tools/codeql/profile-codeql-query.ts", "../src/tools/codeql/query-compile.ts", "../src/tools/codeql/query-format.ts", "../src/tools/codeql/query-run.ts", "../src/tools/codeql/quick-evaluate.ts", "../src/tools/codeql/register-database.ts", "../src/tools/codeql/resolve-database.ts", "../src/tools/codeql/resolve-languages.ts", "../src/tools/codeql/resolve-library-path.ts", "../src/tools/codeql/resolve-metadata.ts", "../src/tools/codeql/resolve-qlref.ts", "../src/tools/codeql/resolve-queries.ts", "../src/tools/codeql/resolve-tests.ts", "../src/tools/codeql/test-accept.ts", "../src/tools/codeql/test-extract.ts", "../src/tools/codeql/test-run.ts", "../src/tools/codeql-tools.ts", "../src/lib/validation.ts", "../src/lib/query-scaffolding.ts", "../src/lib/resources.ts", "../src/tools/codeql-resources.ts", "../src/tools/lsp/lsp-diagnostics.ts", "../src/tools/lsp/lsp-server-helper.ts", "../src/tools/lsp/lsp-handlers.ts", "../src/tools/lsp/lsp-tools.ts", "../src/resources/language-resources.ts", "../src/types/language-types.ts", "../src/prompts/workflow-prompts.ts", "../src/prompts/prompt-loader.ts", "../src/tools/monitoring-tools.ts", "../../node_modules/lowdb/lib/core/Low.js", "../../node_modules/lowdb/lib/adapters/node/TextFile.js", "../../node_modules/lowdb/lib/adapters/node/DataFile.js", "../../node_modules/lowdb/lib/adapters/node/JSONFile.js", "../src/lib/session-data-manager.ts", "../src/types/monitoring.ts"],
-  "sourcesContent": ["/**\n * Simple logger utility.\n *\n * All log output is written to stderr. In stdio transport mode, stdout is\n * reserved exclusively for the MCP JSON-RPC protocol \u2014 any non-protocol\n * bytes on stdout would corrupt the message stream.\n */\nexport const logger = {\n  info: (message: string, ...args: unknown[]) => {\n    console.error(`[INFO] ${new Date().toISOString()} ${message}`, ...args);\n  },\n  error: (message: string, ...args: unknown[]) => {\n    console.error(`[ERROR] ${new Date().toISOString()} ${message}`, ...args);\n  },\n  warn: (message: string, ...args: unknown[]) => {\n    console.error(`[WARN] ${new Date().toISOString()} ${message}`, ...args);\n  },\n  debug: (message: string, ...args: unknown[]) => {\n    if (process.env.DEBUG) {\n      console.error(`[DEBUG] ${new Date().toISOString()} ${message}`, ...args);\n    }\n  },\n};\n", "/**\n * Configuration types for CodeQL background server processes.\n *\n * CodeQL provides three background server types:\n * 1. language-server  \u2013 LSP-based QL validation (JSON-RPC over stdio)\n * 2. query-server2    \u2013 Query evaluation (custom protocol over stdio)\n * 3. cli-server       \u2013 JVM reuse for CLI commands (custom protocol over stdio)\n *\n * Each server type has its own configuration options, but they share common\n * settings like searchPath and commonCaches.\n */\n\nimport { createHash } from 'crypto';\n\n/**\n * Server types supported by CodeQL.\n */\nexport type CodeQLServerType = 'cli' | 'language' | 'query';\n\n/**\n * Common configuration shared across all server types.\n */\nexport interface BaseServerConfig {\n  /** Path to QL packs (like `codeql query compile --search-path`). */\n  searchPath?: string;\n  /** Location for cached data (compilation plans, downloaded packs). */\n  commonCaches?: string;\n  /** Directory for detailed logs. */\n  logdir?: string;\n}\n\n/**\n * Configuration for the CodeQL Language Server.\n */\nexport interface LanguageServerConfig extends BaseServerConfig {\n  /** Error checking mode. Default: ON_CHANGE */\n  checkErrors?: 'EXPLICIT' | 'ON_CHANGE';\n  /** Log level for the language server. */\n  loglevel?: 'ALL' | 'DEBUG' | 'ERROR' | 'INFO' | 'OFF' | 'TRACE' | 'WARN';\n  /** Single-threaded execution. */\n  synchronous?: boolean;\n  /** Verbosity level for progress. */\n  verbosity?: 'errors' | 'progress' | 'progress+' | 'progress++' | 'progress+++' | 'warnings';\n}\n\n/**\n * Configuration for the CodeQL Query Server (query-server2).\n */\nexport interface QueryServerConfig extends BaseServerConfig {\n  /** Thread count. 0 = one per core, -N = leave N cores free. */\n  threads?: number;\n  /** Query evaluation timeout in seconds. */\n  timeout?: number;\n  /** Maximum disk cache size in MB for intermediate results. */\n  maxDiskCache?: number;\n  /** Path for structured evaluator performance logs. */\n  evaluatorLog?: string;\n  /** Include tuple counts in evaluation logs. */\n  tupleCounting?: boolean;\n  /** Enable debug mode. */\n  debug?: boolean;\n}\n\n/**\n * Configuration for the CodeQL CLI Server.\n */\nexport interface CLIServerConfig extends BaseServerConfig {\n  // cli-server has fewer options \u2014 just commonCaches and logdir.\n}\n\n/**\n * Union of all server configurations (discriminated by usage context).\n */\nexport type ServerConfig = CLIServerConfig | LanguageServerConfig | QueryServerConfig;\n\n/**\n * Compute a deterministic hash for a server configuration.\n * Used to detect configuration changes that require a server restart.\n *\n * @param type - The server type.\n * @param config - The server configuration.\n * @returns A hex-encoded SHA-256 hash of the canonical JSON representation.\n */\nexport function computeConfigHash(type: CodeQLServerType, config: ServerConfig): string {\n  // Deep-sort all keys to ensure deterministic serialization regardless of\n  // property insertion order.\n  const sortKeys = (_key: string, value: unknown): unknown => {\n    if (value && typeof value === 'object' && !Array.isArray(value)) {\n      const sorted: Record<string, unknown> = {};\n      for (const k of Object.keys(value as Record<string, unknown>).sort()) {\n        sorted[k] = (value as Record<string, unknown>)[k];\n      }\n      return sorted;\n    }\n    return value;\n  };\n  const canonical = JSON.stringify({ config, type }, sortKeys);\n  return createHash('sha256').update(canonical).digest('hex');\n}\n\n/**\n * Build command-line arguments for a language server from its configuration.\n */\nexport function buildLanguageServerArgs(config: LanguageServerConfig): string[] {\n  const args: string[] = [\n    'execute', 'language-server',\n    `--check-errors=${config.checkErrors ?? 'ON_CHANGE'}`,\n  ];\n\n  if (config.searchPath) {\n    args.push(`--search-path=${config.searchPath}`);\n  }\n  if (config.commonCaches) {\n    args.push(`--common-caches=${config.commonCaches}`);\n  }\n  if (config.logdir) {\n    args.push(`--logdir=${config.logdir}`);\n  }\n  if (config.loglevel) {\n    args.push(`--loglevel=${config.loglevel}`);\n  }\n  if (config.synchronous) {\n    args.push('--synchronous');\n  }\n  if (config.verbosity) {\n    args.push(`--verbosity=${config.verbosity}`);\n  }\n\n  return args;\n}\n\n/**\n * Build command-line arguments for a query server from its configuration.\n */\nexport function buildQueryServerArgs(config: QueryServerConfig): string[] {\n  const args: string[] = [\n    'execute', 'query-server2',\n  ];\n\n  if (config.searchPath) {\n    args.push(`--search-path=${config.searchPath}`);\n  }\n  if (config.commonCaches) {\n    args.push(`--common-caches=${config.commonCaches}`);\n  }\n  if (config.logdir) {\n    args.push(`--logdir=${config.logdir}`);\n  }\n  if (config.threads !== undefined) {\n    args.push(`--threads=${config.threads}`);\n  }\n  if (config.timeout !== undefined) {\n    args.push(`--timeout=${config.timeout}`);\n  }\n  if (config.maxDiskCache !== undefined) {\n    args.push(`--max-disk-cache=${config.maxDiskCache}`);\n  }\n  if (config.evaluatorLog) {\n    args.push(`--evaluator-log=${config.evaluatorLog}`);\n  }\n  if (config.debug) {\n    args.push('--debug');\n    args.push('--tuple-counting');\n  } else if (config.tupleCounting) {\n    args.push('--tuple-counting');\n  }\n\n  return args;\n}\n\n/**\n * Build command-line arguments for a CLI server from its configuration.\n */\nexport function buildCLIServerArgs(config: CLIServerConfig): string[] {\n  const args: string[] = [\n    'execute', 'cli-server',\n  ];\n\n  if (config.commonCaches) {\n    args.push(`--common-caches=${config.commonCaches}`);\n  }\n  if (config.logdir) {\n    args.push(`--logdir=${config.logdir}`);\n  }\n\n  return args;\n}\n", "/**\n * Utilities for resolving filesystem paths relative to the server package root.\n *\n * The server can run from three different directory layouts:\n *\n * 1. **Source** (dev):  `server/src/lib/` \u2192 packageRoot = `server/`\n * 2. **Bundle in monorepo** (dev/CI):  `server/dist/` \u2192 packageRoot = `server/`\n * 3. **Bundle via npm** (production):  `<pkg>/dist/` \u2192 packageRoot = `<pkg>/`\n *\n * In all three cases, the bundled QL tool query packs live at\n * `<packageRoot>/ql/<language>/tools/src/`.\n *\n * The \"workspace root\" (monorepo root) is one level above packageRoot when\n * running from the monorepo checkout, and the packageRoot itself when running\n * from an npm install (no parent monorepo).\n */\n\nimport { dirname, resolve } from 'path';\nimport { existsSync, readFileSync } from 'fs';\nimport { fileURLToPath } from 'url';\n\nconst __filename = fileURLToPath(import.meta.url);\nconst __dirname = dirname(__filename);\n\n/**\n * Detect whether the current __dirname looks like source code (`src/lib` or\n * `src/utils`) vs a bundled flat output directory (`dist/`).\n *\n * Uses a tail-of-path check so that unrelated `/src/` segments earlier in the\n * install path (e.g. `~/src/project/node_modules/.../dist`) don't cause a\n * false positive.\n */\nfunction isRunningFromSource(dir: string): boolean {\n  const normalized = dir.replace(/\\\\/g, '/');\n  return /\\/src(\\/[^/]+)?$/.test(normalized);\n}\n\n/**\n * Get the server package root directory.\n *\n * - From source (`server/src/utils/`): up 2 levels \u2192 `server/`\n * - From bundle (`server/dist/` or `<pkg>/dist/`): up 1 level \u2192 package root\n */\nexport function getPackageRootDir(currentDir: string = __dirname): string {\n  return isRunningFromSource(currentDir)\n    ? resolve(currentDir, '..', '..')   // src/utils \u2192 server/\n    : resolve(currentDir, '..');         // dist/ \u2192 package root\n}\n\n/**\n * Get the workspace root directory (monorepo root when applicable).\n *\n * If a `package.json` with `workspaces` exists one level above the package\n * root, we're in a monorepo and that parent is the workspace root. Otherwise,\n * the packageRoot itself is the workspace root (npm install scenario).\n */\nexport function getWorkspaceRootDir(packageRoot?: string): string {\n  const pkgRoot = packageRoot ?? getPackageRootDir();\n  const parentDir = resolve(pkgRoot, '..');\n\n  // In the monorepo, the parent directory contains a package.json with workspaces\n  try {\n    const parentPkgPath = resolve(parentDir, 'package.json');\n    if (existsSync(parentPkgPath)) {\n      const parentPkg = JSON.parse(readFileSync(parentPkgPath, 'utf8'));\n      if (parentPkg.workspaces) {\n        return parentDir;\n      }\n    }\n  } catch {\n    // Not in a monorepo \u2014 fall through\n  }\n\n  return pkgRoot;\n}\n\n/**\n * Resolve the path to a tool query pack's source directory.\n *\n * @param language - CodeQL language identifier (e.g., \"javascript\", \"cpp\")\n * @param packageRoot - Override the package root (for testing)\n * @returns Absolute path to `ql/<language>/tools/src/`\n */\nexport function resolveToolQueryPackPath(language: string, packageRoot?: string): string {\n  const pkgRoot = packageRoot ?? getPackageRootDir();\n  return resolve(pkgRoot, 'ql', language, 'tools', 'src');\n}\n\n/**\n * Read the package version from the nearest package.json.\n *\n * Cached at first call so the file is read at most once per process.\n */\nlet _cachedVersion: string | undefined;\nexport function getPackageVersion(): string {\n  if (_cachedVersion !== undefined) return _cachedVersion;\n  try {\n    const pkgPath = resolve(getPackageRootDir(), 'package.json');\n    const pkg = JSON.parse(readFileSync(pkgPath, 'utf8'));\n    _cachedVersion = pkg.version ?? '0.0.0';\n  } catch {\n    _cachedVersion = '0.0.0';\n  }\n  return _cachedVersion as string;\n}\n\n/**\n * Get the effective workspace directory for resolving user-supplied relative\n * paths (test directories, database paths, pack dirs, etc.).\n *\n * In a monorepo checkout the workspace root is the monorepo parent.  In an\n * npm-installed layout, `workspaceRootDir` falls back to `packageRootDir`\n * which may be read-only and is not the user's project.  In that case we\n * fall back to `process.cwd()` so that relative paths resolve against the\n * directory the user actually invoked the server from.\n *\n * Override with `CODEQL_MCP_WORKSPACE` for deterministic behavior.\n */\nexport function getUserWorkspaceDir(): string {\n  if (process.env.CODEQL_MCP_WORKSPACE) {\n    return process.env.CODEQL_MCP_WORKSPACE;\n  }\n  // When workspaceRootDir === packageRootDir we are NOT in a monorepo\n  // (npm-installed), so fall back to process.cwd().\n  if (workspaceRootDir === packageRootDir) {\n    return process.cwd();\n  }\n  return workspaceRootDir;\n}\n\n// Pre-computed values for use throughout the server\nexport const packageRootDir = getPackageRootDir();\nexport const workspaceRootDir = getWorkspaceRootDir(packageRootDir);\n", "/**\n * Secure project-local temporary directory utilities.\n *\n * All temporary files are created under `<packageRoot>/.tmp/` which is\n * `.gitignore`d.  This avoids writing to the OS temp directory\n * (`os.tmpdir()` / `/tmp`), which is world-readable and triggers\n * CWE-377 / CWE-378 (js/insecure-temporary-file).\n */\n\nimport { mkdirSync, mkdtempSync } from 'fs';\nimport { isAbsolute, join, resolve } from 'path';\nimport { getPackageRootDir } from './package-paths';\n\n/**\n * Base directory for all project-local temporary data.\n *\n * Resolution order:\n * 1. `CODEQL_MCP_TMP_DIR` environment variable \u2014 for read-only package root\n *    scenarios (e.g., npm global installs where the package directory is not\n *    writable). Relative paths are resolved against process.cwd().\n * 2. `<packageRoot>/.tmp` \u2014 default; excluded from version control.\n */\nconst PROJECT_TMP_BASE = process.env.CODEQL_MCP_TMP_DIR\n  ? (isAbsolute(process.env.CODEQL_MCP_TMP_DIR) \n      ? process.env.CODEQL_MCP_TMP_DIR \n      : resolve(process.cwd(), process.env.CODEQL_MCP_TMP_DIR))\n  : join(getPackageRootDir(), '.tmp');\n\n/**\n * Return the project-local `.tmp` base directory, creating it if needed.\n */\nexport function getProjectTmpBase(): string {\n  mkdirSync(PROJECT_TMP_BASE, { recursive: true });\n  return PROJECT_TMP_BASE;\n}\n\n/**\n * Create a unique temporary directory under the project `.tmp` root.\n *\n * Works identically to `fs.mkdtempSync(os.tmpdir(), prefix)` but is\n * scoped to the repository.\n *\n * @param prefix - Directory name prefix (e.g. `'codeql-external-'`).\n * @returns Absolute path to the newly created directory.\n */\nexport function createProjectTempDir(prefix: string): string {\n  const base = getProjectTmpBase();\n  return mkdtempSync(join(base, prefix));\n}\n\n/**\n * Return a deterministic subdirectory under `.tmp/<name>`, creating it\n * if it does not already exist.\n *\n * Useful for well-known scratch areas such as `query-logs` or `quickeval`.\n *\n * @param name - Subdirectory name (e.g. `'query-logs'`).\n * @returns Absolute path to the subdirectory.\n */\nexport function getProjectTmpDir(name: string): string {\n  const dir = join(getProjectTmpBase(), name);\n  mkdirSync(dir, { recursive: true });\n  return dir;\n}\n", "/**\n * Utility for waiting until a spawned child process is ready.\n *\n * CodeQL background servers (cli-server, query-server2, language-server) run\n * on the JVM and emit stderr log output once the JVM has initialised.  Rather\n * than sleeping for a hard-coded duration \u2014 which is fragile on both fast and\n * slow machines \u2014 this helper resolves as soon as the first stderr output\n * arrives (indicating the JVM is alive), or when the maximum timeout expires.\n * It also rejects immediately if the process exits or errors before becoming\n * ready, giving callers a clear error instead of a silent hang.\n */\n\nimport { ChildProcess } from 'child_process';\nimport { clearTimeout, setTimeout } from 'timers';\nimport { logger } from './logger';\n\n/** Default maximum wait for a CodeQL server to become ready (30 s). */\nconst DEFAULT_READY_TIMEOUT_MS = 30_000;\n\n/**\n * Options for {@link waitForProcessReady}.\n */\nexport interface ProcessReadyOptions {\n  /**\n   * Maximum time in milliseconds to wait for the process to emit its first\n   * stderr output.  If the timeout is reached without a signal the promise\n   * still resolves (best-effort) so the caller can attempt communication.\n   *\n   * Default: 30 000 ms.\n   */\n  timeoutMs?: number;\n}\n\n/**\n * Wait until a child process signals readiness.\n *\n * \"Ready\" is defined as any of:\n * 1. The process emits data on **stderr** (JVM startup log line).\n * 2. The process emits data on **stdout** (initial protocol message).\n * 3. The maximum timeout elapses (best-effort resolve).\n *\n * The promise **rejects** if the process emits an `error` event or exits\n * before any of the above conditions are met.\n *\n * @param child  - The spawned child process.\n * @param name   - A human-readable label for log messages.\n * @param opts   - Optional configuration.\n */\nexport function waitForProcessReady(\n  child: ChildProcess,\n  name: string,\n  opts?: ProcessReadyOptions,\n): Promise<void> {\n  const timeoutMs = opts?.timeoutMs ?? DEFAULT_READY_TIMEOUT_MS;\n\n  return new Promise<void>((resolve, reject) => {\n    let settled = false;\n\n    const cleanup = () => {\n      settled = true;\n      child.stderr?.removeListener('data', onStderr);\n      child.stdout?.removeListener('data', onStdout);\n      child.removeListener('error', onError);\n      child.removeListener('exit', onExit);\n      clearTimeout(timer);\n    };\n\n    const onStderr = () => {\n      if (settled) return;\n      logger.debug(`${name}: ready (stderr output detected)`);\n      cleanup();\n      resolve();\n    };\n\n    const onStdout = () => {\n      if (settled) return;\n      logger.debug(`${name}: ready (stdout output detected)`);\n      cleanup();\n      resolve();\n    };\n\n    const onError = (error: Error) => {\n      if (settled) return;\n      cleanup();\n      reject(new Error(`${name} failed to start: ${error.message}`));\n    };\n\n    const onExit = (code: number | null) => {\n      if (settled) return;\n      cleanup();\n      reject(new Error(`${name} exited before becoming ready (code: ${code})`));\n    };\n\n    const timer = setTimeout(() => {\n      if (settled) return;\n      logger.warn(`${name}: readiness timeout (${timeoutMs} ms) \u2014 proceeding anyway`);\n      cleanup();\n      resolve(); // best-effort: let the caller attempt communication\n    }, timeoutMs);\n\n    child.stderr?.on('data', onStderr);\n    child.stdout?.on('data', onStdout);\n    child.on('error', onError);\n    child.on('exit', onExit);\n\n    // If the process was dead before we even attached listeners, reject now\n    if (child.killed || child.exitCode !== null) {\n      cleanup();\n      reject(new Error(`${name} is not running (exitCode: ${child.exitCode})`));\n    }\n  });\n}\n", "/**\n * CodeQL Language Server manager for LSP communication\n * Manages the lifecycle and communication with the CodeQL language server process\n */\n\nimport { spawn, ChildProcess } from 'child_process';\nimport { EventEmitter } from 'events';\nimport { setTimeout, clearTimeout } from 'timers';\nimport { pathToFileURL } from 'url';\nimport { delimiter, join } from 'path';\nimport { logger } from '../utils/logger';\nimport { getPackageVersion } from '../utils/package-paths';\nimport { getProjectTmpDir } from '../utils/temp-dir';\nimport { getResolvedCodeQLDir } from './cli-executor';\nimport { waitForProcessReady } from '../utils/process-ready';\n\nexport interface LSPMessage {\n  jsonrpc: '2.0';\n  id?: number | string;\n  method: string;\n  params?: unknown;\n  result?: unknown;\n  error?: {\n    code: number;\n    message: string;\n    data?: unknown;\n  };\n}\n\nexport interface Diagnostic {\n  range: {\n    start: { line: number; character: number };\n    end: { line: number; character: number };\n  };\n  severity: number; // 1=Error, 2=Warning, 3=Information, 4=Hint\n  source?: string;\n  message: string;\n  code?: string | number;\n}\n\nexport interface PublishDiagnosticsParams {\n  uri: string;\n  diagnostics: Diagnostic[];\n}\n\nexport interface LanguageServerOptions {\n  searchPath?: string;\n  logdir?: string;\n  loglevel?: 'ALL' | 'DEBUG' | 'ERROR' | 'INFO' | 'OFF' | 'TRACE' | 'WARN';\n  synchronous?: boolean;\n  verbosity?: 'errors' | 'progress' | 'progress+' | 'progress++' | 'progress+++' | 'warnings';\n}\n\n/**\n * Position in a text document (0-based line and character).\n */\nexport interface LSPPosition {\n  character: number;\n  line: number;\n}\n\n/**\n * A range in a text document.\n */\nexport interface LSPRange {\n  end: LSPPosition;\n  start: LSPPosition;\n}\n\n/**\n * A location in a resource (file URI + range).\n */\nexport interface LSPLocation {\n  range: LSPRange;\n  uri: string;\n}\n\n/**\n * Identifies a text document by its URI.\n */\nexport interface TextDocumentIdentifier {\n  uri: string;\n}\n\n/**\n * A text document position (document + position within it).\n */\nexport interface TextDocumentPositionParams {\n  position: LSPPosition;\n  textDocument: TextDocumentIdentifier;\n}\n\n/**\n * A completion item returned by the language server.\n */\nexport interface CompletionItem {\n  detail?: string;\n  documentation?: string | { kind: string; value: string };\n  insertText?: string;\n  kind?: number;\n  label: string;\n  sortText?: string;\n}\n\nexport class CodeQLLanguageServer extends EventEmitter {\n  private server: ChildProcess | null = null;\n  private messageId = 1;\n  private pendingResponses = new Map<number, { resolve: (_value: unknown) => void; reject: (_error: Error) => void }>();\n  private isInitialized = false;\n  private currentWorkspaceUri: string | undefined;\n  private messageBuffer = '';\n\n  constructor(private _options: LanguageServerOptions = {}) {\n    super();\n  }\n\n  async start(): Promise<void> {\n    if (this.server) {\n      throw new Error('Language server is already running');\n    }\n\n    logger.info('Starting CodeQL Language Server...');\n\n    const args = [\n      'execute', 'language-server',\n      '--check-errors=ON_CHANGE'\n    ];\n\n    // Add optional arguments\n    if (this._options.searchPath) {\n      args.push(`--search-path=${this._options.searchPath}`);\n    }\n    if (this._options.logdir) {\n      args.push(`--logdir=${this._options.logdir}`);\n    }\n    if (this._options.loglevel) {\n      args.push(`--loglevel=${this._options.loglevel}`);\n    }\n    if (this._options.synchronous) {\n      args.push('--synchronous');\n    }\n    if (this._options.verbosity) {\n      args.push(`--verbosity=${this._options.verbosity}`);\n    }\n\n    // Build environment with CODEQL_PATH directory prepended to PATH\n    // (mirrors the approach in cli-executor.ts getSafeEnvironment).\n    const spawnEnv = { ...process.env };\n    const codeqlDir = getResolvedCodeQLDir();\n    if (codeqlDir && spawnEnv.PATH) {\n      spawnEnv.PATH = `${codeqlDir}${delimiter}${spawnEnv.PATH}`;\n    } else if (codeqlDir) {\n      spawnEnv.PATH = codeqlDir;\n    }\n\n    this.server = spawn('codeql', args, {\n      stdio: ['pipe', 'pipe', 'pipe'],\n      env: spawnEnv\n    });\n\n    this.server.stderr?.on('data', (data) => {\n      logger.debug('CodeQL LS stderr:', data.toString());\n    });\n\n    this.server.stdout?.on('data', (data) => {\n      this.handleStdout(data);\n    });\n\n    this.server.on('error', (error) => {\n      logger.error('CodeQL Language Server error:', error);\n      this.emit('error', error);\n    });\n\n    this.server.on('exit', (code) => {\n      logger.info('CodeQL Language Server exited with code:', code);\n      this.server = null;\n      this.isInitialized = false;\n      this.emit('exit', code);\n    });\n\n    // Wait for the JVM to initialise (resolves on first stderr/stdout output)\n    await waitForProcessReady(this.server, 'CodeQL Language Server');\n  }\n\n  private handleStdout(data: Buffer): void {\n    this.messageBuffer += data.toString();\n    \n    let headerEnd = this.messageBuffer.indexOf('\\r\\n\\r\\n');\n    while (headerEnd !== -1) {\n      const header = this.messageBuffer.substring(0, headerEnd);\n      const contentLengthMatch = header.match(/Content-Length: (\\d+)/);\n      \n      if (contentLengthMatch) {\n        const contentLength = parseInt(contentLengthMatch[1]);\n        const messageStart = headerEnd + 4;\n        const messageEnd = messageStart + contentLength;\n        \n        if (this.messageBuffer.length >= messageEnd) {\n          const messageContent = this.messageBuffer.substring(messageStart, messageEnd);\n          this.messageBuffer = this.messageBuffer.substring(messageEnd);\n          \n          try {\n            const message: LSPMessage = JSON.parse(messageContent);\n            this.handleMessage(message);\n          } catch (error) {\n            logger.error('Failed to parse LSP message:', error, messageContent);\n          }\n          \n          headerEnd = this.messageBuffer.indexOf('\\r\\n\\r\\n');\n        } else {\n          break;\n        }\n      } else {\n        logger.error('Invalid LSP header:', header);\n        this.messageBuffer = '';\n        break;\n      }\n    }\n  }\n\n  private handleMessage(message: LSPMessage): void {\n    logger.debug('Received LSP message:', message);\n\n    // Handle responses to our requests\n    if (message.id !== undefined && this.pendingResponses.has(Number(message.id))) {\n      const pending = this.pendingResponses.get(Number(message.id))!;\n      this.pendingResponses.delete(Number(message.id));\n      \n      if (message.error) {\n        pending.reject(new Error(`LSP Error: ${message.error.message}`));\n      } else {\n        pending.resolve(message.result);\n      }\n      return;\n    }\n\n    // Handle notifications from server\n    if (message.method === 'textDocument/publishDiagnostics') {\n      this.emit('diagnostics', message.params as PublishDiagnosticsParams);\n    }\n  }\n\n  private sendMessage(message: LSPMessage): void {\n    if (!this.server?.stdin) {\n      throw new Error('Language server is not running');\n    }\n\n    const messageStr = JSON.stringify(message);\n    const contentLength = Buffer.byteLength(messageStr, 'utf8');\n    const header = `Content-Length: ${contentLength}\\r\\n\\r\\n`;\n    const fullMessage = header + messageStr;\n\n    logger.debug('Sending LSP message:', fullMessage);\n    this.server.stdin.write(fullMessage);\n  }\n\n  private sendRequest(method: string, params?: unknown): Promise<unknown> {\n    const id = this.messageId++;\n    const message: LSPMessage = {\n      jsonrpc: '2.0',\n      id,\n      method,\n      params\n    };\n\n    return new Promise((resolve, reject) => {\n      // Wrap resolve/reject to clear the timer when the promise settles.\n      const timer = setTimeout(() => {\n        if (this.pendingResponses.has(id)) {\n          this.pendingResponses.delete(id);\n          reject(new Error(`LSP request timeout for method: ${method}`));\n        }\n      }, 60_000); // 60 second timeout (Windows CI cold JVM can exceed 30s)\n\n      this.pendingResponses.set(id, {\n        reject: (err: Error) => { clearTimeout(timer); reject(err); },\n        resolve: (val: unknown) => { clearTimeout(timer); resolve(val); },\n      });\n      this.sendMessage(message);\n    });\n  }\n\n  private sendNotification(method: string, params?: unknown): void {\n    const message: LSPMessage = {\n      jsonrpc: '2.0',\n      method,\n      params\n    };\n    this.sendMessage(message);\n  }\n\n  /**\n   * Initialize the language server with an optional workspace URI.\n   *\n   * If the server is already initialized with a different workspace, a\n   * `workspace/didChangeWorkspaceFolders` notification is sent to update\n   * the workspace context instead of requiring a full restart.\n   */\n  async initialize(workspaceUri?: string): Promise<void> {\n    if (this.isInitialized) {\n      // If workspace changed, notify the server\n      if (workspaceUri && workspaceUri !== this.currentWorkspaceUri) {\n        await this.updateWorkspace(workspaceUri);\n      }\n      return;\n    }\n\n    logger.info('Initializing CodeQL Language Server...');\n\n    const initParams = {\n      processId: process.pid,\n      clientInfo: {\n        name: 'codeql-development-mcp-server',\n        version: getPackageVersion()\n      },\n      capabilities: {\n        textDocument: {\n          completion: { completionItem: { snippetSupport: false } },\n          definition: {},\n          publishDiagnostics: {},\n          references: {},\n          synchronization: {\n            didClose: true,\n            didChange: true,\n            didOpen: true,\n          },\n        },\n        workspace: {\n          workspaceFolders: true,\n        },\n      }\n    };\n\n    if (workspaceUri) {\n      (initParams as unknown as { workspaceFolders: unknown[] }).workspaceFolders = [{\n        uri: workspaceUri,\n        name: 'codeql-workspace'\n      }];\n    }\n\n    await this.sendRequest('initialize', initParams);\n    this.sendNotification('initialized', {});\n\n    this.currentWorkspaceUri = workspaceUri;\n    this.isInitialized = true;\n    logger.info('CodeQL Language Server initialized successfully');\n  }\n\n  /**\n   * Update the workspace folders on a running, initialized server.\n   */\n  private async updateWorkspace(newUri: string): Promise<void> {\n    logger.info(`Updating workspace from ${this.currentWorkspaceUri} to ${newUri}`);\n\n    const removed = this.currentWorkspaceUri\n      ? [{ uri: this.currentWorkspaceUri, name: 'codeql-workspace' }]\n      : [];\n\n    this.sendNotification('workspace/didChangeWorkspaceFolders', {\n      event: {\n        added: [{ uri: newUri, name: 'codeql-workspace' }],\n        removed,\n      },\n    });\n\n    this.currentWorkspaceUri = newUri;\n  }\n\n  /**\n   * Get the current workspace URI.\n   */\n  getWorkspaceUri(): string | undefined {\n    return this.currentWorkspaceUri;\n  }\n\n  async evaluateQL(qlCode: string, uri?: string): Promise<Diagnostic[]> {\n    if (!this.isInitialized) {\n      throw new Error('Language server is not initialized');\n    }\n\n    // Default to a project-local virtual URI rather than /tmp\n    const documentUri = uri || pathToFileURL(join(getProjectTmpDir('lsp-eval'), 'eval.ql')).href;\n\n    return new Promise((resolve, reject) => {\n      let diagnosticsReceived = false;\n      const timeout = setTimeout(() => {\n        if (!diagnosticsReceived) {\n          this.removeListener('diagnostics', diagnosticsHandler);\n          reject(new Error('Timeout waiting for diagnostics'));\n        }\n      }, 90_000); // 90s \u2014 first call triggers JVM start + compilation; Windows CI is slow\n\n      // Listen for diagnostics\n      const diagnosticsHandler = (params: PublishDiagnosticsParams) => {\n        if (params.uri === documentUri) {\n          diagnosticsReceived = true;\n          clearTimeout(timeout);\n          this.removeListener('diagnostics', diagnosticsHandler);\n\n          // Close the document\n          this.sendNotification('textDocument/didClose', {\n            textDocument: { uri: documentUri }\n          });\n\n          resolve(params.diagnostics);\n        }\n      };\n\n      this.on('diagnostics', diagnosticsHandler);\n\n      // Open the document with the QL code\n      this.sendNotification('textDocument/didOpen', {\n        textDocument: {\n          uri: documentUri,\n          languageId: 'ql',\n          version: 1,\n          text: qlCode\n        }\n      });\n    });\n  }\n\n  // ---- LSP feature methods (issue #1) ----\n\n  /**\n   * Get code completions at a position in a document.\n   */\n  async getCompletions(params: TextDocumentPositionParams): Promise<CompletionItem[]> {\n    if (!this.isInitialized) {\n      throw new Error('Language server is not initialized');\n    }\n    if (!this.isRunning()) {\n      throw new Error('Language server process is not running');\n    }\n    const result = await this.sendRequest('textDocument/completion', params);\n    // The result may be a CompletionList or CompletionItem[]\n    if (result && typeof result === 'object' && 'items' in (result as object)) {\n      return (result as { items: CompletionItem[] }).items;\n    }\n    return (result as CompletionItem[]) || [];\n  }\n\n  /**\n   * Find the definition(s) of a symbol at a position.\n   */\n  async getDefinition(params: TextDocumentPositionParams): Promise<LSPLocation[]> {\n    if (!this.isInitialized) {\n      throw new Error('Language server is not initialized');\n    }\n    if (!this.isRunning()) {\n      throw new Error('Language server process is not running');\n    }\n    const result = await this.sendRequest('textDocument/definition', params);\n    return this.normalizeLocations(result);\n  }\n\n  /**\n   * Find all references to a symbol at a position.\n   */\n  async getReferences(params: TextDocumentPositionParams & { context?: { includeDeclaration: boolean } }): Promise<LSPLocation[]> {\n    if (!this.isInitialized) {\n      throw new Error('Language server is not initialized');\n    }\n    if (!this.isRunning()) {\n      throw new Error('Language server process is not running');\n    }\n    const result = await this.sendRequest('textDocument/references', {\n      ...params,\n      context: params.context ?? { includeDeclaration: true },\n    });\n    return this.normalizeLocations(result);\n  }\n\n  /**\n   * Open a text document in the language server.\n   * The document must be opened before requesting completions, definitions, etc.\n   */\n  openDocument(uri: string, text: string, languageId = 'ql', version = 1): void {\n    if (!this.isInitialized) {\n      throw new Error('Language server is not initialized');\n    }\n    this.sendNotification('textDocument/didOpen', {\n      textDocument: { uri, languageId, version, text },\n    });\n  }\n\n  /**\n   * Close a text document in the language server.\n   */\n  closeDocument(uri: string): void {\n    if (!this.isInitialized) {\n      throw new Error('Language server is not initialized');\n    }\n    this.sendNotification('textDocument/didClose', {\n      textDocument: { uri },\n    });\n  }\n\n  /**\n   * Normalize a definition/references/implementation result to Location[].\n   * The LSP spec allows Location | Location[] | LocationLink[].\n   */\n  private normalizeLocations(result: unknown): LSPLocation[] {\n    if (!result) return [];\n    if (Array.isArray(result)) {\n      return result.map((item) => {\n        // LocationLink has targetUri/targetRange\n        if ('targetUri' in item) {\n          return { uri: item.targetUri, range: item.targetRange } as LSPLocation;\n        }\n        return item as LSPLocation;\n      });\n    }\n    // Single Location\n    if (typeof result === 'object' && 'uri' in (result as object)) {\n      return [result as LSPLocation];\n    }\n    return [];\n  }\n\n  async shutdown(): Promise<void> {\n    if (!this.server) {\n      return;\n    }\n\n    logger.info('Shutting down CodeQL Language Server...');\n\n    try {\n      await this.sendRequest('shutdown', {});\n      if (this.server) {\n        this.sendNotification('exit', {});\n      }\n    } catch (error) {\n      logger.warn('Error during graceful shutdown:', error);\n    }\n\n    // Force kill if needed\n    await new Promise<void>((resolve) => {\n      const timer = setTimeout(() => {\n        if (this.server) {\n          this.server.kill('SIGTERM');\n        }\n        resolve();\n      }, 1000);\n\n      if (this.server) {\n        this.server.once('exit', () => {\n          clearTimeout(timer);\n          this.server = null;\n          resolve();\n        });\n      } else {\n        clearTimeout(timer);\n        resolve();\n      }\n    });\n\n    this.isInitialized = false;\n  }\n\n  isRunning(): boolean {\n    return this.server !== null && !this.server.killed;\n  }\n}", "/**\n * CodeQL Query Server (query-server2) client.\n *\n * Manages a long-lived `codeql execute query-server2` process that evaluates\n * queries using a custom JSON-RPC protocol over stdio. Reusing the server\n * avoids repeated JVM startup for each query evaluation.\n *\n * Protocol: The query-server2 uses JSON-RPC with Content-Length headers\n * (same framing as LSP) over stdin/stdout.\n */\n\nimport { ChildProcess, spawn } from 'child_process';\nimport { delimiter } from 'path';\nimport { EventEmitter } from 'events';\nimport { clearTimeout, setTimeout } from 'timers';\nimport { buildQueryServerArgs, QueryServerConfig } from './server-config';\nimport { getResolvedCodeQLDir } from './cli-executor';\nimport { logger } from '../utils/logger';\nimport { waitForProcessReady } from '../utils/process-ready';\n\n/**\n * A pending request awaiting a response from the query server.\n */\ninterface PendingRequest {\n  reject: (_error: Error) => void;\n  resolve: (_value: unknown) => void;\n}\n\n/**\n * Client for the CodeQL query-server2 process.\n *\n * Spawns `codeql execute query-server2` and communicates over stdin/stdout\n * using JSON-RPC with Content-Length framing.\n */\nexport class CodeQLQueryServer extends EventEmitter {\n  private messageBuffer = '';\n  private messageId = 1;\n  private pendingRequests = new Map<number, PendingRequest>();\n  private process: ChildProcess | null = null;\n  private readonly config: QueryServerConfig;\n\n  constructor(config: QueryServerConfig) {\n    super();\n    this.config = config;\n  }\n\n  /**\n   * Start the query-server2 process.\n   */\n  async start(): Promise<void> {\n    if (this.process) {\n      throw new Error('Query server is already running');\n    }\n\n    logger.info('Starting CodeQL Query Server (query-server2)...');\n\n    const args = buildQueryServerArgs(this.config);\n\n    // Build environment with CODEQL_PATH directory prepended to PATH\n    const spawnEnv = { ...process.env };\n    const codeqlDir = getResolvedCodeQLDir();\n    if (codeqlDir && spawnEnv.PATH) {\n      spawnEnv.PATH = `${codeqlDir}${delimiter}${spawnEnv.PATH}`;\n    } else if (codeqlDir) {\n      spawnEnv.PATH = codeqlDir;\n    }\n\n    this.process = spawn('codeql', args, {\n      stdio: ['pipe', 'pipe', 'pipe'],\n      env: spawnEnv,\n    });\n\n    this.process.stderr?.on('data', (data: Buffer) => {\n      logger.debug('QueryServer2 stderr:', data.toString());\n    });\n\n    this.process.stdout?.on('data', (data: Buffer) => {\n      this.handleStdout(data);\n    });\n\n    this.process.on('error', (error: Error) => {\n      logger.error('Query server process error:', error);\n      this.emit('error', error);\n    });\n\n    this.process.on('exit', (code: number | null) => {\n      logger.info(`Query server exited with code: ${code}`);\n      this.rejectAllPending(new Error(`Query server exited with code: ${code}`));\n      this.process = null;\n      this.emit('exit', code);\n    });\n\n    // Wait for the JVM to initialise (resolves on first stderr/stdout output)\n    await waitForProcessReady(this.process, 'CodeQL Query Server');\n    logger.info('CodeQL Query Server started');\n  }\n\n  /**\n   * Send a request to the query server and await the response.\n   *\n   * @param method - The JSON-RPC method name.\n   * @param params - The method parameters.\n   * @param timeoutMs - Request timeout in milliseconds (default: 300000 = 5 min).\n   * @returns The result from the server.\n   */\n  sendRequest(method: string, params?: unknown, timeoutMs = 300_000): Promise<unknown> {\n    const id = this.messageId++;\n    const message = {\n      id,\n      jsonrpc: '2.0' as const,\n      method,\n      params,\n    };\n\n    return new Promise((resolve, reject) => {\n      this.pendingRequests.set(id, { reject, resolve });\n\n      try {\n        this.sendRaw(message);\n      } catch (error) {\n        // Clean up immediately \u2014 sendRaw() failed so no response will arrive.\n        this.pendingRequests.delete(id);\n        reject(error instanceof Error ? error : new Error(String(error)));\n        return;\n      }\n\n      const timer = setTimeout(() => {\n        if (this.pendingRequests.has(id)) {\n          this.pendingRequests.delete(id);\n          reject(new Error(`Query server request timeout for method: ${method}`));\n        }\n      }, timeoutMs);\n\n      // Clear the timeout when the promise settles\n      const originalResolve = resolve;\n      const originalReject = reject;\n      const wrapped = {\n        reject: (err: Error) => { clearTimeout(timer); originalReject(err); },\n        resolve: (val: unknown) => { clearTimeout(timer); originalResolve(val); },\n      };\n      this.pendingRequests.set(id, wrapped);\n    });\n  }\n\n  /**\n   * Gracefully shut down the query server.\n   */\n  async shutdown(): Promise<void> {\n    if (!this.process) {\n      return;\n    }\n\n    logger.info('Shutting down CodeQL Query Server...');\n\n    try {\n      await this.sendRequest('shutdown', {}, 5000);\n    } catch (error) {\n      logger.warn('Error during query server graceful shutdown:', error);\n    }\n\n    // Force kill if process lingers\n    await new Promise<void>((resolve) => {\n      const timer = setTimeout(() => {\n        if (this.process) {\n          this.process.kill('SIGTERM');\n          this.process = null;\n        }\n        resolve();\n      }, 2000);\n\n      if (this.process) {\n        this.process.once('exit', () => {\n          clearTimeout(timer);\n          this.process = null;\n          resolve();\n        });\n      } else {\n        clearTimeout(timer);\n        resolve();\n      }\n    });\n  }\n\n  /**\n   * Whether the query server process is running.\n   */\n  isRunning(): boolean {\n    return this.process !== null && !this.process.killed;\n  }\n\n  // ---- private helpers ----\n\n  private handleStdout(data: Buffer): void {\n    this.messageBuffer += data.toString();\n\n    let headerEnd = this.messageBuffer.indexOf('\\r\\n\\r\\n');\n    while (headerEnd !== -1) {\n      const header = this.messageBuffer.substring(0, headerEnd);\n      const contentLengthMatch = header.match(/Content-Length: (\\d+)/);\n\n      if (contentLengthMatch) {\n        const contentLength = parseInt(contentLengthMatch[1]);\n        const messageStart = headerEnd + 4;\n        const messageEnd = messageStart + contentLength;\n\n        if (this.messageBuffer.length >= messageEnd) {\n          const messageContent = this.messageBuffer.substring(messageStart, messageEnd);\n          this.messageBuffer = this.messageBuffer.substring(messageEnd);\n\n          try {\n            const message = JSON.parse(messageContent);\n            this.handleMessage(message);\n          } catch (error) {\n            logger.error('Failed to parse query server message:', error);\n          }\n\n          headerEnd = this.messageBuffer.indexOf('\\r\\n\\r\\n');\n        } else {\n          break;\n        }\n      } else {\n        logger.error('Invalid query server header:', header);\n        this.messageBuffer = '';\n        break;\n      }\n    }\n  }\n\n  private handleMessage(message: { error?: { message: string }; id?: number; method?: string; params?: unknown; result?: unknown }): void {\n    logger.debug('QueryServer2 message:', message);\n\n    // Handle responses\n    if (message.id !== undefined && this.pendingRequests.has(Number(message.id))) {\n      const pending = this.pendingRequests.get(Number(message.id))!;\n      this.pendingRequests.delete(Number(message.id));\n\n      if (message.error) {\n        pending.reject(new Error(`Query server error: ${message.error.message}`));\n      } else {\n        pending.resolve(message.result);\n      }\n      return;\n    }\n\n    // Handle notifications (progress, etc.)\n    if (message.method) {\n      this.emit('notification', { method: message.method, params: message.params });\n    }\n  }\n\n  private rejectAllPending(error: Error): void {\n    for (const [id, pending] of this.pendingRequests) {\n      pending.reject(error);\n      this.pendingRequests.delete(id);\n    }\n  }\n\n  private sendRaw(message: object): void {\n    if (!this.process?.stdin) {\n      throw new Error('Query server is not running');\n    }\n\n    const body = JSON.stringify(message);\n    const contentLength = Buffer.byteLength(body, 'utf8');\n    const frame = `Content-Length: ${contentLength}\\r\\n\\r\\n${body}`;\n    this.process.stdin.write(frame);\n  }\n}\n", "/**\n * CodeQL CLI Server client.\n *\n * Manages a long-lived `codeql execute cli-server` process that executes CLI\n * commands without repeated JVM startup overhead. Commands are serialized as\n * JSON arrays followed by a NUL byte, and responses are NUL-terminated JSON.\n *\n * Inspired by the `CodeQLCliServer` class in github/vscode-codeql.\n */\n\nimport { ChildProcess, spawn } from 'child_process';\nimport { delimiter } from 'path';\nimport { EventEmitter } from 'events';\nimport { clearTimeout, setTimeout } from 'timers';\nimport { buildCLIServerArgs, CLIServerConfig } from './server-config';\nimport { getResolvedCodeQLDir } from './cli-executor';\nimport { logger } from '../utils/logger';\nimport { waitForProcessReady } from '../utils/process-ready';\n\n/**\n * A queued command waiting to be sent to the CLI server.\n */\ninterface QueuedCommand {\n  args: string[];\n  reject: (_error: Error) => void;\n  resolve: (_value: string) => void;\n}\n\n/**\n * Client for the CodeQL CLI Server process.\n *\n * The cli-server uses a simple NUL-delimited protocol:\n * - **Request**: JSON array of command arguments, followed by a NUL byte.\n * - **Response**: command stdout, terminated by a NUL byte on stdout.\n *                 stderr is forwarded as-is.\n */\nexport class CodeQLCLIServer extends EventEmitter {\n  private commandInProgress = false;\n  private commandQueue: Array<() => void> = [];\n  private readonly config: CLIServerConfig;\n  private currentReject: ((_error: Error) => void) | null = null;\n  private currentResolve: ((_value: string) => void) | null = null;\n  private nullBuffer = Buffer.alloc(1);\n  private process: ChildProcess | null = null;\n  private stdoutBuffer = '';\n\n  constructor(config: CLIServerConfig) {\n    super();\n    this.config = config;\n  }\n\n  /**\n   * Start the cli-server process.\n   */\n  async start(): Promise<void> {\n    if (this.process) {\n      throw new Error('CLI server is already running');\n    }\n\n    logger.info('Starting CodeQL CLI Server...');\n\n    const args = buildCLIServerArgs(this.config);\n\n    const spawnEnv = { ...process.env };\n    const codeqlDir = getResolvedCodeQLDir();\n    if (codeqlDir && spawnEnv.PATH) {\n      spawnEnv.PATH = `${codeqlDir}${delimiter}${spawnEnv.PATH}`;\n    } else if (codeqlDir) {\n      spawnEnv.PATH = codeqlDir;\n    }\n\n    this.process = spawn('codeql', args, {\n      stdio: ['pipe', 'pipe', 'pipe'],\n      env: spawnEnv,\n    });\n\n    this.process.stdout?.on('data', (data: Buffer) => {\n      this.handleStdout(data);\n    });\n\n    this.process.stderr?.on('data', (data: Buffer) => {\n      logger.debug('CLIServer stderr:', data.toString());\n    });\n\n    this.process.on('error', (error: Error) => {\n      logger.error('CLI server process error:', error);\n      if (this.currentReject) {\n        this.currentReject(error);\n        this.currentReject = null;\n        this.currentResolve = null;\n      }\n      this.emit('error', error);\n    });\n\n    this.process.on('exit', (code: number | null) => {\n      logger.info(`CLI server exited with code: ${code}`);\n      if (this.currentReject) {\n        this.currentReject(new Error(`CLI server exited unexpectedly with code: ${code}`));\n        this.currentReject = null;\n        this.currentResolve = null;\n      }\n      this.process = null;\n      this.emit('exit', code);\n    });\n\n    // Wait for the JVM to initialise (resolves on first stderr/stdout output)\n    await waitForProcessReady(this.process, 'CodeQL CLI Server');\n    logger.info('CodeQL CLI Server started');\n  }\n\n  /**\n   * Run a CodeQL CLI command through the persistent server.\n   *\n   * Commands are serialized and queued; only one command runs at a time.\n   *\n   * @param args - The full command arguments (e.g. `['resolve', 'qlpacks']`).\n   * @returns The stdout output from the command.\n   */\n  runCommand(args: string[]): Promise<string> {\n    return new Promise((resolve, reject) => {\n      const execute = () => {\n        this.executeCommand({ args, reject, resolve });\n      };\n\n      if (this.commandInProgress) {\n        this.commandQueue.push(execute);\n      } else {\n        execute();\n      }\n    });\n  }\n\n  /**\n   * Gracefully shut down the CLI server.\n   */\n  async shutdown(): Promise<void> {\n    if (!this.process) {\n      return;\n    }\n\n    logger.info('Shutting down CodeQL CLI Server...');\n\n    try {\n      // Send shutdown command\n      this.process.stdin?.write(JSON.stringify(['shutdown']), 'utf8');\n      this.process.stdin?.write(this.nullBuffer);\n    } catch (error) {\n      logger.warn('Error during CLI server shutdown request:', error);\n    }\n\n    // Give it a moment, then force kill\n    await new Promise<void>((resolve) => {\n      const timer = setTimeout(() => {\n        if (this.process) {\n          this.process.kill('SIGTERM');\n          this.process = null;\n        }\n        resolve();\n      }, 2000);\n\n      if (this.process) {\n        this.process.once('exit', () => {\n          clearTimeout(timer);\n          this.process = null;\n          resolve();\n        });\n      } else {\n        clearTimeout(timer);\n        resolve();\n      }\n    });\n\n    this.commandInProgress = false;\n    this.commandQueue = [];\n    logger.info('CodeQL CLI Server stopped');\n  }\n\n  /**\n   * Whether the CLI server process is running.\n   */\n  isRunning(): boolean {\n    return this.process !== null && !this.process.killed;\n  }\n\n  // ---- private helpers ----\n\n  private executeCommand(cmd: QueuedCommand): void {\n    if (!this.process?.stdin) {\n      cmd.reject(new Error('CLI server is not running'));\n      return;\n    }\n\n    this.commandInProgress = true;\n    this.currentResolve = cmd.resolve;\n    this.currentReject = cmd.reject;\n\n    try {\n      this.process.stdin.write(JSON.stringify(cmd.args), 'utf8');\n      this.process.stdin.write(this.nullBuffer);\n    } catch (error) {\n      this.commandInProgress = false;\n      this.currentResolve = null;\n      this.currentReject = null;\n      cmd.reject(error instanceof Error ? error : new Error(String(error)));\n      this.runNext();\n    }\n  }\n\n  private handleStdout(data: Buffer): void {\n    this.stdoutBuffer += data.toString();\n\n    // Process all NUL-delimited responses in the buffer\n    let nulIndex = this.stdoutBuffer.indexOf('\\0');\n    while (nulIndex !== -1) {\n      const result = this.stdoutBuffer.substring(0, nulIndex);\n      this.stdoutBuffer = this.stdoutBuffer.substring(nulIndex + 1);\n\n      if (this.currentResolve) {\n        this.currentResolve(result);\n        this.currentResolve = null;\n        this.currentReject = null;\n      }\n\n      this.commandInProgress = false;\n      this.runNext();\n\n      nulIndex = this.stdoutBuffer.indexOf('\\0');\n    }\n  }\n\n  private runNext(): void {\n    const next = this.commandQueue.shift();\n    if (next) {\n      next();\n    }\n  }\n}\n", "/**\n * CodeQL Server Manager\n *\n * Manages the lifecycle of CodeQL background server processes:\n * - language-server (LSP-based QL validation)\n * - query-server2   (query evaluation)\n * - cli-server      (JVM reuse for CLI commands)\n *\n * Servers are keyed by a hash of their configuration. When a caller requests\n * a server with a different configuration, the old server is shut down and a\n * new one is started. Session-specific cache directories provide isolation.\n */\n\nimport { mkdirSync } from 'fs';\nimport { join } from 'path';\nimport { randomUUID } from 'crypto';\nimport {\n  CLIServerConfig,\n  CodeQLServerType,\n  computeConfigHash,\n  LanguageServerConfig,\n  QueryServerConfig,\n  ServerConfig,\n} from './server-config';\nimport { CodeQLLanguageServer } from './language-server';\nimport { CodeQLQueryServer } from './query-server';\nimport { CodeQLCLIServer } from './cli-server';\nimport { getProjectTmpDir } from '../utils/temp-dir';\nimport { logger } from '../utils/logger';\n\n/**\n * Entry in the managed servers map.\n */\ninterface ManagedServer {\n  configHash: string;\n  server: CodeQLCLIServer | CodeQLLanguageServer | CodeQLQueryServer;\n  sessionId: string;\n  type: CodeQLServerType;\n}\n\n/**\n * Options for creating a session-specific cache layout.\n */\nexport interface SessionCacheOptions {\n  /** Override the session ID (defaults to a random UUID). */\n  sessionId?: string;\n}\n\n/**\n * Manages CodeQL background server processes with config-aware caching.\n *\n * Callers should use `getLanguageServer()`, `getQueryServer()`, or\n * `getCLIServer()` to obtain a running server. If the requested\n * configuration differs from the currently running server of that type, the\n * old server is stopped and replaced.\n */\nexport class CodeQLServerManager {\n  /** Keyed by `CodeQLServerType` \u2014 at most one per type at a time. */\n  private servers = new Map<CodeQLServerType, ManagedServer>();\n\n  /** In-flight `getOrRestart` promises, keyed by server type, to serialize concurrent calls. */\n  private pendingStarts = new Map<CodeQLServerType, Promise<CodeQLCLIServer | CodeQLLanguageServer | CodeQLQueryServer>>();\n\n  /** The session ID used for cache isolation. */\n  private sessionId: string;\n\n  /** Root directory for session-specific caches. */\n  private sessionCacheDir: string;\n\n  constructor(options?: SessionCacheOptions) {\n    this.sessionId = options?.sessionId ?? randomUUID();\n    this.sessionCacheDir = join(\n      getProjectTmpDir('codeql-cache'),\n      this.sessionId,\n    );\n    // Pre-create the cache directory tree\n    for (const subdir of ['compilation-cache', 'logs', 'query-cache']) {\n      mkdirSync(join(this.sessionCacheDir, subdir), { recursive: true });\n    }\n    logger.info(`CodeQLServerManager initialized (session: ${this.sessionId})`);\n  }\n\n  // ---- Public API ----\n\n  /**\n   * Get the current session ID.\n   */\n  getSessionId(): string {\n    return this.sessionId;\n  }\n\n  /**\n   * Get the session-specific cache directory.\n   */\n  getCacheDir(): string {\n    return this.sessionCacheDir;\n  }\n\n  /**\n   * Return the session-specific log directory.\n   */\n  getLogDir(): string {\n    return join(this.sessionCacheDir, 'logs');\n  }\n\n  /**\n   * Get or create a Language Server with the given configuration.\n   *\n   * If a language server is already running with the same config it is reused.\n   * If the config has changed the old server is shut down first.\n   */\n  async getLanguageServer(config: LanguageServerConfig): Promise<CodeQLLanguageServer> {\n    const enriched = this.enrichConfig(config) as LanguageServerConfig;\n    return this.getOrRestart('language', enriched, () => {\n      // Convert LanguageServerConfig to the LanguageServerOptions the existing class expects\n      return new CodeQLLanguageServer({\n        loglevel: enriched.loglevel,\n        logdir: enriched.logdir,\n        searchPath: enriched.searchPath,\n        synchronous: enriched.synchronous,\n        verbosity: enriched.verbosity,\n      });\n    }) as Promise<CodeQLLanguageServer>;\n  }\n\n  /**\n   * Get or create a Query Server with the given configuration.\n   */\n  async getQueryServer(config: QueryServerConfig): Promise<CodeQLQueryServer> {\n    const enriched = this.enrichConfig(config) as QueryServerConfig;\n    return this.getOrRestart('query', enriched, () => {\n      return new CodeQLQueryServer(enriched);\n    }) as Promise<CodeQLQueryServer>;\n  }\n\n  /**\n   * Get or create a CLI Server with the given configuration.\n   */\n  async getCLIServer(config: CLIServerConfig): Promise<CodeQLCLIServer> {\n    const enriched = this.enrichConfig(config) as CLIServerConfig;\n    return this.getOrRestart('cli', enriched, () => {\n      return new CodeQLCLIServer(enriched);\n    }) as Promise<CodeQLCLIServer>;\n  }\n\n  /**\n   * Shut down a specific server type.\n   */\n  async shutdownServer(type: CodeQLServerType): Promise<void> {\n    const managed = this.servers.get(type);\n    if (!managed) return;\n\n    logger.info(`Shutting down ${type} server (session: ${managed.sessionId})`);\n    await this.stopServer(managed);\n    this.servers.delete(type);\n  }\n\n  /**\n   * Shut down all managed servers.\n   */\n  async shutdownAll(): Promise<void> {\n    logger.info(`Shutting down all servers for session: ${this.sessionId}`);\n    const shutdownPromises = Array.from(this.servers.entries()).map(\n      async ([type, managed]) => {\n        try {\n          await this.stopServer(managed);\n        } catch (error) {\n          logger.error(`Error shutting down ${type} server:`, error);\n        }\n      },\n    );\n    await Promise.all(shutdownPromises);\n    this.servers.clear();\n    logger.info('All servers shut down');\n  }\n\n  /**\n   * Check whether a server of the given type is currently running.\n   */\n  isRunning(type: CodeQLServerType): boolean {\n    const managed = this.servers.get(type);\n    if (!managed) return false;\n    return managed.server.isRunning();\n  }\n\n  /**\n   * Get status information for all managed servers.\n   */\n  getStatus(): Record<CodeQLServerType, { configHash: string; running: boolean; sessionId: string } | null> {\n    const status: Record<string, { configHash: string; running: boolean; sessionId: string } | null> = {\n      cli: null,\n      language: null,\n      query: null,\n    };\n    for (const [type, managed] of this.servers) {\n      status[type] = {\n        configHash: managed.configHash,\n        running: managed.server.isRunning(),\n        sessionId: managed.sessionId,\n      };\n    }\n    return status as Record<CodeQLServerType, { configHash: string; running: boolean; sessionId: string } | null>;\n  }\n\n  // ---- Private helpers ----\n\n  /**\n   * Eagerly start the language server so the JVM is warm when the first\n   * LSP tool call arrives.  Uses the default configuration that\n   * `lsp-handlers.ts` / `lsp-diagnostics.ts` would create on the first\n   * `getLanguageServer()` call.  The server is stored in the managed-servers\n   * map and reused by subsequent tool invocations.\n   *\n   * This is fire-and-forget: errors are logged but do not prevent the MCP\n   * server from starting.\n   */\n  async warmUpLanguageServer(): Promise<void> {\n    try {\n      // Lazy-import to avoid circular dependency at module level\n      const { packageRootDir } = await import('../utils/package-paths');\n      const { resolve } = await import('path');\n\n      const config: LanguageServerConfig = {\n        checkErrors: 'ON_CHANGE',\n        loglevel: 'WARN',\n        searchPath: resolve(packageRootDir, 'ql'),\n      };\n      logger.info('Warming up language server (background JVM start)...');\n      await this.getLanguageServer(config);\n      logger.info('Language server warm-up complete');\n    } catch (error) {\n      logger.warn('Language server warm-up failed (will retry on first tool call):', error);\n    }\n  }\n\n  /**\n   * Eagerly start the CLI server so the JVM is warm when the first\n   * `executeCodeQLCommand()` call routes through it.\n   *\n   * The CLI server uses only session-scoped `commonCaches` and `logdir`,\n   * both injected by `enrichConfig()`.  Passing an empty config is\n   * intentional \u2014 it matches what `executeCodeQLCommand()` will request.\n   *\n   * Fire-and-forget: errors are logged but do not block startup.\n   */\n  async warmUpCLIServer(): Promise<void> {\n    try {\n      logger.info('Warming up CLI server (background JVM start)...');\n      await this.getCLIServer({});\n      logger.info('CLI server warm-up complete');\n    } catch (error) {\n      logger.warn('CLI server warm-up failed (will retry on first tool call):', error);\n    }\n  }\n\n  /**\n   * Enrich a config with session-specific defaults for commonCaches and logdir.\n   */\n  private enrichConfig<T extends ServerConfig>(config: T): T {\n    return {\n      ...config,\n      commonCaches: config.commonCaches ?? this.sessionCacheDir,\n      logdir: config.logdir ?? this.getLogDir(),\n    };\n  }\n\n  /**\n   * Get an existing server if its config matches, otherwise stop the old\n   * one and start a new server.\n   *\n   * Concurrent calls for the same server type are serialized via\n   * `pendingStarts` to avoid spawning duplicate server processes.\n   */\n  private async getOrRestart(\n    type: CodeQLServerType,\n    config: ServerConfig,\n    factory: () => CodeQLCLIServer | CodeQLLanguageServer | CodeQLQueryServer,\n  ): Promise<CodeQLCLIServer | CodeQLLanguageServer | CodeQLQueryServer> {\n    // If another call is already starting a server of this type, wait for it\n    // to settle (success or failure) and then re-check whether the result is\n    // still usable.\n    const inflight = this.pendingStarts.get(type);\n    if (inflight) {\n      try { await inflight; } catch { /* swallow \u2014 original caller handles the rejection */ }\n    }\n\n    const work = this.doGetOrRestart(type, config, factory);\n    this.pendingStarts.set(type, work);\n    try {\n      return await work;\n    } finally {\n      // Ensure `work` has settled before removing the pendingStarts entry so\n      // that concurrent callers waiting on the same promise see a consistent\n      // map state.  The try/catch avoids re-throwing a rejection that the\n      // outer `try` block already handles.\n      try { await work; } catch { /* already handled */ }\n      if (this.pendingStarts.get(type) === work) {\n        this.pendingStarts.delete(type);\n      }\n    }\n  }\n\n  /**\n   * Core logic for getOrRestart, separated to allow serialization.\n   */\n  private async doGetOrRestart(\n    type: CodeQLServerType,\n    config: ServerConfig,\n    factory: () => CodeQLCLIServer | CodeQLLanguageServer | CodeQLQueryServer,\n  ): Promise<CodeQLCLIServer | CodeQLLanguageServer | CodeQLQueryServer> {\n    const hash = computeConfigHash(type, config);\n    const existing = this.servers.get(type);\n\n    // Reuse if config matches and server is still running\n    if (existing && existing.configHash === hash && existing.server.isRunning()) {\n      logger.debug(`Reusing existing ${type} server (hash: ${hash.substring(0, 8)})`);\n      return existing.server;\n    }\n\n    // Config changed or server died \u2014 stop the old one\n    if (existing) {\n      logger.info(`${type} server config changed or dead, restarting...`);\n      await this.stopServer(existing);\n      this.servers.delete(type);\n    }\n\n    // Start a new server\n    const server = factory();\n    await server.start();\n\n    this.servers.set(type, {\n      configHash: hash,\n      server,\n      sessionId: this.sessionId,\n      type,\n    });\n\n    logger.info(`${type} server started (hash: ${hash.substring(0, 8)})`);\n    return server;\n  }\n\n  /**\n   * Stop a managed server, ignoring errors.\n   */\n  private async stopServer(managed: ManagedServer): Promise<void> {\n    try {\n      await managed.server.shutdown();\n    } catch (error) {\n      logger.warn(`Error stopping ${managed.type} server:`, error);\n      // Best-effort \u2014 don't propagate\n    }\n  }\n}\n\n/**\n * Global server manager singleton.\n *\n * Initialized lazily by `getServerManager()`. The MCP server entry point\n * should call `initServerManager()` at startup and `shutdownServerManager()`\n * at graceful shutdown.\n */\nlet globalServerManager: CodeQLServerManager | null = null;\n\n/**\n * Initialize the global server manager (idempotent).\n */\nexport function initServerManager(options?: SessionCacheOptions): CodeQLServerManager {\n  if (!globalServerManager) {\n    globalServerManager = new CodeQLServerManager(options);\n  }\n  return globalServerManager;\n}\n\n/**\n * Get the global server manager, creating it if needed.\n */\nexport function getServerManager(): CodeQLServerManager {\n  if (!globalServerManager) {\n    globalServerManager = new CodeQLServerManager();\n  }\n  return globalServerManager;\n}\n\n/**\n * Shut down the global server manager and all its servers.\n */\nexport async function shutdownServerManager(): Promise<void> {\n  if (globalServerManager) {\n    await globalServerManager.shutdownAll();\n    globalServerManager = null;\n  }\n}\n\n/**\n * Reset the global server manager (for testing only).\n */\nexport function resetServerManager(): void {\n  globalServerManager = null;\n}\n", "/**\n * Generic CLI command execution utilities for CodeQL and QLT commands\n */\n\nimport { execFile } from 'child_process';\nimport { existsSync } from 'fs';\nimport { basename, delimiter, dirname, isAbsolute } from 'path';\nimport { promisify } from 'util';\nimport { logger } from '../utils/logger';\n\nconst execFileAsync = promisify(execFile);\n\nexport interface CLIExecutionResult {\n  stdout: string;\n  stderr: string;\n  success: boolean;\n  error?: string;\n  exitCode?: number;\n}\n\nexport interface CLIExecutionOptions {\n  command: string;\n  args: string[];\n  cwd?: string;\n  timeout?: number;\n  env?: Record<string, string>;\n}\n\n// Whitelist of allowed commands to prevent arbitrary command execution\nconst ALLOWED_COMMANDS = new Set([\n  'codeql',\n  'git',\n  'node',\n  'npm',\n  'qlt',\n  'which'\n]);\n\n// Additional commands allowed in test environments\nlet testCommands: Set<string> | null = null;\n\n// Whitelist of safe environment variables to pass to child processes\n// This prevents potentially malicious environment variables from being passed through\nconst SAFE_ENV_VARS = [\n  'HOME',           // User home directory\n  'LANG',           // Locale setting\n  'LC_ALL',         // Locale setting\n  'LC_CTYPE',       // Locale setting\n  'PATH',           // Required to find executables\n  'SHELL',          // User's shell (Unix)\n  'TEMP',           // Temporary directory (Windows)\n  'TERM',           // Terminal type (Unix)\n  'TMP',            // Temporary directory (Windows)\n  'TMPDIR',         // Temporary directory (Unix)\n  'USER',           // Current user (Unix)\n  'USERNAME',       // Current user (Windows)\n] as const;\n\n// Whitelist of safe environment variable prefixes\n// These are needed for CodeQL and Node.js functionality\nconst SAFE_ENV_PREFIXES = [\n  'CODEQL_',        // CodeQL-specific variables\n  'NODE_',          // Node.js-specific variables (for npm, etc.)\n] as const;\n\n// Pattern for dangerous control characters in CLI arguments\n// Rejected characters:\n//   \\x01-\\x08: SOH through BS (start of heading, text, null control chars, backspace)\n//   \\x0B: Vertical tab - rarely used legitimately, can cause display issues\n//   \\x0C: Form feed - can cause unexpected page breaks in output\n//   \\x0E-\\x1F: SO through US (shift out/in, device controls, separators)\n// Allowed characters:\n//   \\x00: Null byte - handled separately for clearer error messaging\n//   \\x09: Horizontal tab - commonly used in file paths and arguments\n//   \\x0A: Newline (LF) - may appear in multi-line arguments\n//   \\x0D: Carriage return (CR) - may appear with newlines on Windows\n// eslint-disable-next-line no-control-regex\nconst DANGEROUS_CONTROL_CHARS = /[\\x01-\\x08\\x0B\\x0C\\x0E-\\x1F]/;\n\n/**\n * Enable test-specific commands for testing purposes\n * This should only be called in test environments\n */\nexport function enableTestCommands(): void {\n  testCommands = new Set([\n    'cat',\n    'echo',\n    'ls',\n    'sh',\n    'sleep'\n  ]);\n}\n\n/**\n * Disable test-specific commands\n */\nexport function disableTestCommands(): void {\n  testCommands = null;\n}\n\n/**\n * Check if a command is allowed\n */\nfunction isCommandAllowed(command: string): boolean {\n  return ALLOWED_COMMANDS.has(command) || (testCommands !== null && testCommands.has(command));\n}\n\n// Resolved CodeQL binary directory from CODEQL_PATH.\n// When set, this directory is prepended to PATH for all child processes\n// so that `execFile('codeql', ...)` finds the correct binary via execvp().\n// Using PATH lookup (rather than an absolute path) is essential because\n// execvp() handles shell-script shebangs correctly, whereas passing an\n// absolute path to execFile() can fail with ENOENT for shell scripts.\nlet resolvedCodeQLDir: string | null = null;\n\n// Cached result from resolveCodeQLBinary(). `undefined` means not yet resolved.\nlet resolvedBinaryResult: string | undefined;\n\n/**\n * Resolve the CodeQL CLI binary path.\n *\n * Resolution order:\n * 1. `CODEQL_PATH` environment variable \u2014 must point to an existing file whose\n *    basename is `codeql` (or `codeql.exe` / `codeql.cmd` on Windows).\n *    The parent directory is prepended to PATH for child processes.\n * 2. Falls back to the bare `codeql` command (resolved via PATH at exec time).\n *\n * The resolved value is cached for the lifetime of the process. Call this once\n * at startup; subsequent calls are a no-op and return the cached value.\n */\nexport function resolveCodeQLBinary(): string {\n  // Short-circuit if already resolved\n  if (resolvedBinaryResult !== undefined) {\n    return resolvedBinaryResult;\n  }\n\n  const envPath = process.env.CODEQL_PATH;\n\n  if (!envPath) {\n    resolvedCodeQLDir = null;\n    resolvedBinaryResult = 'codeql';\n    return resolvedBinaryResult;\n  }\n\n  // Validate the path points to a plausible CodeQL binary\n  const base = basename(envPath).toLowerCase();\n  const validBaseNames = ['codeql', 'codeql.exe', 'codeql.cmd'];\n  if (!validBaseNames.includes(base)) {\n    throw new Error(\n      `CODEQL_PATH must point to a CodeQL CLI binary (expected basename: codeql), got: ${base}`\n    );\n  }\n\n  // Require an absolute path to avoid ambiguity\n  if (!isAbsolute(envPath)) {\n    throw new Error(\n      `CODEQL_PATH must be an absolute path, got: ${envPath}`\n    );\n  }\n\n  // Verify the file exists\n  if (!existsSync(envPath)) {\n    throw new Error(\n      `CODEQL_PATH points to a file that does not exist: ${envPath}`\n    );\n  }\n\n  resolvedCodeQLDir = dirname(envPath);\n  resolvedBinaryResult = 'codeql';\n  logger.info(`CodeQL CLI resolved via CODEQL_PATH: ${envPath} (dir: ${resolvedCodeQLDir})`);\n  return resolvedBinaryResult;\n}\n\n/**\n * Get the currently resolved CodeQL binary directory, or null if using PATH.\n */\nexport function getResolvedCodeQLDir(): string | null {\n  return resolvedCodeQLDir;\n}\n\n/**\n * Reset the resolved CodeQL binary to the default (for testing only).\n */\nexport function resetResolvedCodeQLBinary(): void {\n  resolvedCodeQLDir = null;\n  resolvedBinaryResult = undefined;\n}\n\n/**\n * Validate that the resolved CodeQL binary is actually callable.\n *\n * Runs `codeql version --format=terse` and verifies the process exits\n * successfully. This catches the case where `CODEQL_PATH` is unset and\n * `codeql` is not on PATH \u2014 the server would otherwise start normally\n * but every tool invocation would fail.\n *\n * @returns The version string reported by the CodeQL CLI.\n * @throws Error if the binary is not reachable or returns a non-zero exit code.\n */\nexport async function validateCodeQLBinaryReachable(): Promise<string> {\n  const binary = resolvedBinaryResult ?? 'codeql';\n  const env = { ...process.env };\n  if (resolvedCodeQLDir) {\n    env.PATH = resolvedCodeQLDir + delimiter + (env.PATH || '');\n  }\n\n  try {\n    const { stdout } = await execFileAsync(binary, ['version', '--format=terse'], {\n      env,\n      timeout: 15_000,\n    });\n    return stdout.trim();\n  } catch (err: unknown) {\n    const message = err instanceof Error ? err.message : String(err);\n    throw new Error(\n      `CodeQL CLI is not reachable (binary: ${binary}). ` +\n      `Ensure codeql is on PATH or set the CODEQL_PATH environment variable ` +\n      `to the absolute path of the CodeQL CLI binary. Details: ${message}`\n    );\n  }\n}\n\n/**\n * Sanitize a CLI argument to prevent potential issues with special characters.\n * \n * While execFile() does not spawn a shell (preventing shell injection), we still\n * validate arguments to:\n * 1. Reject null bytes that could truncate strings in C-based commands\n * 2. Reject control characters that could cause unexpected behavior\n * 3. Provide defense-in-depth against potential issues\n * \n * @param arg - The argument to sanitize\n * @returns The sanitized argument\n * @throws Error if the argument contains dangerous characters\n */\nexport function sanitizeCLIArgument(arg: string): string {\n  // Reject null bytes - these can truncate strings in C-based commands\n  // Error message intentionally excludes argument content to avoid logging potentially sensitive data\n  if (arg.includes('\\0')) {\n    throw new Error(`CLI argument contains null byte: argument rejected for security`);\n  }\n  \n  // Reject control characters using the module-level constant pattern\n  if (DANGEROUS_CONTROL_CHARS.test(arg)) {\n    // Error message intentionally excludes argument content to avoid logging potentially sensitive data\n    throw new Error(`CLI argument contains control characters: argument rejected for security`);\n  }\n  \n  return arg;\n}\n\n/**\n * Sanitize an array of CLI arguments\n * @param args - The arguments to sanitize\n * @returns The sanitized arguments\n * @throws Error if any argument contains dangerous characters\n */\nexport function sanitizeCLIArguments(args: string[]): string[] {\n  return args.map(sanitizeCLIArgument);\n}\n\n/**\n * Filter environment variables to only include safe ones\n * This prevents potentially malicious environment variables from being passed to child processes\n */\nfunction getSafeEnvironment(additionalEnv?: Record<string, string>): Record<string, string> {\n  const safeEnv: Record<string, string> = {};\n  \n  // Copy whitelisted environment variables from process.env\n  for (const key of SAFE_ENV_VARS) {\n    if (process.env[key] !== undefined) {\n      safeEnv[key] = process.env[key]!;\n    }\n  }\n  \n  // Copy environment variables with whitelisted prefixes\n  for (const [key, value] of Object.entries(process.env)) {\n    if (value !== undefined && SAFE_ENV_PREFIXES.some(prefix => key.startsWith(prefix))) {\n      safeEnv[key] = value;\n    }\n  }\n  \n  // When CODEQL_PATH was set, prepend the resolved directory to PATH so that\n  // `execFile('codeql', ...)` finds the user-specified binary via execvp().\n  // This approach (PATH manipulation + bare command name) is essential because\n  // execvp() handles shell-script shebangs correctly, whereas passing an\n  // absolute path to execFile() fails with ENOENT for shell-script launchers.\n  if (resolvedCodeQLDir && safeEnv.PATH) {\n    safeEnv.PATH = `${resolvedCodeQLDir}${delimiter}${safeEnv.PATH}`;\n  } else if (resolvedCodeQLDir) {\n    safeEnv.PATH = resolvedCodeQLDir;\n  }\n  \n  // Merge with explicitly provided environment variables\n  // These are trusted as they come from the application code, not external sources\n  if (additionalEnv) {\n    Object.assign(safeEnv, additionalEnv);\n  }\n  \n  return safeEnv;\n}\n\n/**\n * Execute a CLI command and return the result.\n * \n * Security: This function uses execFile() instead of exec() to avoid shell interpretation.\n * Arguments are passed directly to the executable as an array, preventing shell injection.\n * Additional security measures include:\n * - Command whitelist validation\n * - Shell metacharacter detection in command names\n * - CLI argument sanitization (null bytes, control characters)\n * - Environment variable filtering\n */\nexport async function executeCLICommand(options: CLIExecutionOptions): Promise<CLIExecutionResult> {\n  try {\n    const { command, args, cwd, timeout = 300000, env } = options; // 5 minute default timeout\n    \n    // Validate command is in the whitelist to prevent arbitrary command execution\n    if (!isCommandAllowed(command)) {\n      throw new Error(`Command not allowed: ${command}. Only whitelisted commands can be executed.`);\n    }\n    \n    // Validate command to ensure it doesn't contain shell metacharacters\n    if (command.includes(';') || command.includes('|') || command.includes('&') || \n        command.includes('$') || command.includes('`') || command.includes('\\n') ||\n        command.includes('\\r')) {\n      throw new Error(`Invalid command: contains shell metacharacters: ${command}`);\n    }\n    \n    // Sanitize CLI arguments to prevent issues with special characters\n    // This provides defense-in-depth even though execFile() doesn't use a shell\n    const sanitizedArgs = sanitizeCLIArguments(args);\n    \n    logger.info(`Executing CLI command: ${command}`, { args: sanitizedArgs, cwd, timeout });\n    \n    const execOptions = {\n      cwd,\n      timeout,\n      env: getSafeEnvironment(env),\n    };\n    \n    // execFile() is used instead of exec() to avoid shell interpretation\n    // Arguments are passed as an array, not interpolated into a command string\n    const { stdout, stderr } = await execFileAsync(command, sanitizedArgs, execOptions);\n\n    return {\n      stdout,\n      stderr,\n      success: true,\n      exitCode: 0\n    };\n\n  } catch (error: unknown) {\n    logger.error('CLI command execution failed:', error);\n    \n    const err = error as Error & { code?: number; stdout?: string; stderr?: string };\n    const errorMessage = err instanceof Error ? err.message : String(error);\n    const exitCode = err.code || 1;\n    \n    return {\n      stdout: err.stdout || '',\n      stderr: err.stderr || errorMessage,\n      success: false,\n      error: errorMessage,\n      exitCode\n    };\n  }\n}\n\n/**\n * Build CodeQL command arguments with proper escaping\n */\nexport function buildCodeQLArgs(subcommand: string, options: Record<string, unknown>): string[] {\n  const args = [subcommand];\n  \n  // Single-letter parameters that should use -key=value format (with equals sign)\n  // Note: CodeQL CLI uses -t=key=value format for metadata, not -t key=value\n  const singleLetterParams = new Set(['t', 'o', 'v', 'q', 'h', 'J']);\n  \n  for (const [key, value] of Object.entries(options)) {\n    if (value === undefined || value === null) {\n      continue;\n    }\n    \n    const isSingleLetter = key.length === 1 && singleLetterParams.has(key);\n    \n    if (typeof value === 'boolean') {\n      if (value) {\n        args.push(isSingleLetter ? `-${key}` : `--${key}`);\n      }\n    } else if (Array.isArray(value)) {\n      // Handle array values (e.g., multiple -t flags for metadata)\n      for (const item of value) {\n        if (isSingleLetter) {\n          // For single-letter params like -t, use -key=value format\n          args.push(`-${key}=${String(item)}`);\n        } else {\n          // For long params, use --key=value format\n          args.push(`--${key}=${String(item)}`);\n        }\n      }\n    } else {\n      // Handle string, number, and other values\n      if (isSingleLetter) {\n        // For single-letter params, use -key=value format\n        args.push(`-${key}=${String(value)}`);\n      } else {\n        args.push(`--${key}=${String(value)}`);\n      }\n    }\n  }\n  \n  return args;\n}\n\n/**\n * Build QLT command arguments with proper escaping\n */\nexport function buildQLTArgs(subcommand: string, options: Record<string, unknown>): string[] {\n  const args = [subcommand];\n  \n  for (const [key, value] of Object.entries(options)) {\n    if (value === undefined || value === null) {\n      continue;\n    }\n    \n    if (typeof value === 'boolean') {\n      if (value) {\n        args.push(`--${key}`);\n      }\n    } else if (Array.isArray(value)) {\n      // Handle array values\n      for (const item of value) {\n        args.push(`--${key}`, String(item));\n      }\n    } else {\n      // Handle string, number, and other values\n      args.push(`--${key}`, String(value));\n    }\n  }\n  \n  return args;\n}\n\n/**\n * CodeQL subcommands that MUST run as fresh processes.\n *\n * These cannot use the cli-server because they:\n * - Spawn extractors or other long-running child processes (database create, test extract)\n * - Produce multi-event NUL-delimited streams (test run)\n * - Are compound orchestration commands (database analyze)\n *\n * Everything else is routed through the persistent cli-server JVM for\n * sub-second execution instead of 2-5 s JVM cold-start per invocation.\n */\nconst FRESH_PROCESS_SUBCOMMANDS = new Set([\n  'database analyze',\n  'database create',\n  'test extract',\n  'test run',\n]);\n\n/**\n * Execute a CodeQL command.\n *\n * By default, commands are routed through the persistent `codeql execute\n * cli-server` process managed by {@link CodeQLServerManager}, eliminating\n * repeated JVM startup overhead (~2-5 s savings per call).\n *\n * Commands listed in {@link FRESH_PROCESS_SUBCOMMANDS} (e.g. `database create`,\n * `test run`) are always executed as fresh processes because they either spawn\n * child extractors, produce streaming output, or require a dedicated working\n * directory.\n *\n * If the cli-server is not available (e.g. during early startup before\n * `initServerManager()` is called), the function falls back transparently to\n * a fresh process.\n */\nexport async function executeCodeQLCommand(\n  subcommand: string,\n  options: Record<string, unknown>,\n  additionalArgs: string[] = [],\n  cwd?: string\n): Promise<CLIExecutionResult> {\n  const args = buildCodeQLArgs(subcommand, options);\n  args.push(...additionalArgs);\n\n  // Determine whether this subcommand can use the persistent cli-server.\n  // Commands that need a specific CWD also must use a fresh process because\n  // the cli-server's CWD is fixed at startup.\n  const canUseCLIServer = !FRESH_PROCESS_SUBCOMMANDS.has(subcommand) && !cwd;\n\n  if (canUseCLIServer) {\n    try {\n      // Lazy-import to avoid circular dependency at module level.\n      // Use getServerManager() (not initServerManager()) \u2014 if the manager\n      // hasn't been initialized yet (e.g. during tests or early startup),\n      // this creates one, but we only attempt to *use* the cli-server if\n      // it is already running (warmed up at MCP server startup).  We never\n      // block on starting a new cli-server here \u2014 that would add JVM\n      // startup latency to the first fresh-process-fallback call.\n      const { getServerManager } = await import('./server-manager');\n      const manager = getServerManager();\n\n      if (manager.isRunning('cli')) {\n        const cliServer = await manager.getCLIServer({});\n        const sanitizedArgs = sanitizeCLIArguments(args);\n\n        logger.info(`Executing CodeQL command via cli-server: ${subcommand}`, { args: sanitizedArgs });\n\n        const stdout = await cliServer.runCommand(sanitizedArgs);\n\n        return {\n          stdout,\n          stderr: '',\n          success: true,\n          exitCode: 0,\n        };\n      } else {\n        logger.debug(`cli-server not yet running for \"${subcommand}\", using fresh process`);\n      }\n    } catch (error) {\n      // If the cli-server call fails, check whether it's a command-level\n      // error (the CLI returned non-zero) or a transport/startup error.\n      // For transport errors we fall back to a fresh process; for command\n      // errors we return the failure directly.\n      const message = error instanceof Error ? error.message : String(error);\n\n      // Transport-level errors that warrant a fallback:\n      if (message.includes('CLI server is not running') ||\n          message.includes('CLI server exited') ||\n          message.includes('failed to start')) {\n        logger.warn(`cli-server unavailable for \"${subcommand}\", falling back to fresh process: ${message}`);\n        // Fall through to fresh-process execution below\n      } else {\n        // Command-level error \u2014 return it as a failed result\n        logger.error(`cli-server command failed for \"${subcommand}\": ${message}`);\n        return {\n          stdout: '',\n          stderr: message,\n          success: false,\n          error: message,\n          exitCode: 1,\n        };\n      }\n    }\n  }\n\n  // Fresh-process execution (for FRESH_PROCESS_SUBCOMMANDS, CWD-specific\n  // calls, or as a fallback when the cli-server is unavailable).\n  return executeCLICommand({\n    command: 'codeql',\n    args,\n    cwd\n  });\n}\n\n/**\n * Execute a QLT command\n */\nexport async function executeQLTCommand(\n  subcommand: string, \n  options: Record<string, unknown>, \n  additionalArgs: string[] = []\n): Promise<CLIExecutionResult> {\n  const args = buildQLTArgs(subcommand, options);\n  args.push(...additionalArgs);\n  \n  return executeCLICommand({\n    command: 'qlt',\n    args\n  });\n}\n\n/**\n * Get help text for a CLI command\n */\nexport async function getCommandHelp(command: string, subcommand?: string): Promise<string> {\n  const args = subcommand ? [subcommand, '--help'] : ['--help'];\n  \n  const result = await executeCLICommand({\n    command,\n    args\n  });\n  \n  return result.stdout || result.stderr || 'No help available';\n}\n\n/**\n * Validate that a command exists on the system.\n */\nexport async function validateCommandExists(command: string): Promise<boolean> {\n  try {\n    const result = await executeCLICommand({\n      command: 'which',\n      args: [command]\n    });\n    return result.success;\n  } catch {\n    return false;\n  }\n}", "/**\n * CodeQL Development MCP McpServer\n * Main entry point for the server\n */\n\nimport { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';\nimport { StdioServerTransport } from '@modelcontextprotocol/sdk/server/stdio.js';\nimport { StreamableHTTPServerTransport } from '@modelcontextprotocol/sdk/server/streamableHttp.js';\nimport express from 'express';\nimport cors from 'cors';\nimport dotenv from 'dotenv';\nimport { resolve } from 'path';\nimport { pathToFileURL } from 'url';\nimport { registerCodeQLTools, registerCodeQLResources } from './tools';\nimport { registerLSPTools } from './tools/lsp';\nimport { registerLanguageResources } from './resources/language-resources';\nimport { registerWorkflowPrompts } from './prompts/workflow-prompts';\nimport { registerMonitoringTools } from './tools/monitoring-tools';\nimport { sessionDataManager } from './lib/session-data-manager';\nimport { resolveCodeQLBinary, validateCodeQLBinaryReachable } from './lib/cli-executor';\nimport { initServerManager, shutdownServerManager } from './lib/server-manager';\nimport { packageRootDir } from './utils/package-paths';\nimport { logger } from './utils/logger';\n\n// Load environment variables from a .env file co-located with the package root.\n// Uses the package directory (not CWD) so that npm-installed users don't\n// accidentally inherit a .env from their project.\ndotenv.config({ path: resolve(packageRootDir, '.env') });\n\nconst PACKAGE_NAME = 'codeql-development-mcp-server';\nconst VERSION = '2.24.0';\n\n/**\n * Start the MCP server\n */\nexport async function startServer(mode: 'stdio' | 'http' = 'stdio'): Promise<McpServer> {\n  logger.info(`Starting CodeQL Development MCP McpServer v${VERSION} in ${mode} mode`);\n\n  // Resolve the CodeQL CLI binary path (honors CODEQL_PATH env var).\n  // This must happen before any tool registration so that all CodeQL commands\n  // use the user-specified binary.\n  const codeqlBinary = resolveCodeQLBinary();\n  logger.info(`CodeQL CLI binary: ${codeqlBinary}`);\n\n  // Validate that the resolved binary is actually callable. This catches\n  // misconfigurations early (e.g. codeql not on PATH and CODEQL_PATH unset)\n  // instead of failing silently and producing confusing tool-level errors.\n  const codeqlVersion = await validateCodeQLBinaryReachable();\n  logger.info(`CodeQL CLI version: ${codeqlVersion}`);\n\n  const server = new McpServer({\n    name: PACKAGE_NAME,\n    version: VERSION,\n  });\n\n  // Register CodeQL tools (legacy high-level helpers)\n  registerCodeQLTools(server);\n\n  // Register LSP-based tools (diagnostics, completion, definition, references)\n  registerLSPTools(server);\n\n  // Register CodeQL resources (static guides)\n  registerCodeQLResources(server);\n\n  // Register language-specific resources (AST references, security patterns)\n  registerLanguageResources(server);\n\n  // Register high-level workflow prompts (complete development workflows)\n  registerWorkflowPrompts(server);\n\n  // Register monitoring and reporting tools\n  registerMonitoringTools(server);\n\n  // Initialize session data manager\n  await sessionDataManager.initialize();\n\n  // Initialize the CodeQL background server manager and eagerly start the\n  // language server and CLI server JVMs so they are warm when the first tool\n  // calls arrive.  This avoids 2-60 s cold-start penalties per JVM.\n  const manager = initServerManager();\n  Promise.all([\n    manager.warmUpLanguageServer(),\n    manager.warmUpCLIServer(),\n  ]).catch(() => { /* individual errors logged inside each warm-up method */ });\n\n  if (mode === 'stdio') {\n    const transport = new StdioServerTransport();\n    await server.connect(transport);\n    logger.info('McpServer started successfully on STDIO transport');\n  } else {\n    // HTTP mode\n    const app = express();\n    app.use(cors());\n    app.use(express.json());\n\n    const transport = new StreamableHTTPServerTransport({\n      sessionIdGenerator: () => Math.random().toString(36).substring(7),\n    });\n    await server.connect(transport);\n\n    app.all('/mcp', (req, res) => {\n      transport.handleRequest(req, res, req.body).catch((err) => {\n        logger.error('Error handling MCP request:', err);\n        if (!res.headersSent) {\n          res.status(500).json({ error: 'Internal McpServer Error' });\n        }\n      });\n    });\n\n    app.get('/', (_req, res) => {\n      res.json({\n        name: PACKAGE_NAME,\n        version: VERSION,\n        description: 'CodeQL Development MCP McpServer',\n        status: 'running',\n      });\n    });\n\n    const host = process.env.HTTP_HOST || 'localhost';\n    const port = Number(process.env.HTTP_PORT || process.env.PORT) || 3000;\n    \n    // Return a promise that keeps the process alive\n    return new Promise<void>((resolve, reject) => {\n      const httpServer = app.listen(port, host, () => {\n        logger.info(`HTTP server listening on http://${host}:${port}/mcp`);\n        resolve();\n      });\n      \n      httpServer.on('error', (error) => {\n        logger.error('HTTP server error:', error);\n        reject(error);\n      });\n    });\n  }\n\n  setupGracefulShutdown(server);\n  return server;\n}\n\n/**\n * Set up graceful shutdown handling\n */\nfunction setupGracefulShutdown(server: McpServer): void {\n  const shutdown = async () => {\n    logger.info('Shutting down server...');\n    try {\n      // Shut down all CodeQL background servers first\n      await shutdownServerManager();\n      await server.close();\n      logger.info('McpServer closed gracefully');\n      process.exit(0);\n    } catch (error) {\n      logger.error('Error during shutdown:', error);\n      process.exit(1);\n    }\n  };\n\n  process.on('SIGINT', shutdown);\n  process.on('SIGTERM', shutdown);\n}\n\n/**\n * Main function to start the server\n */\nasync function main(): Promise<void> {\n  try {\n    const transportMode = (process.env.TRANSPORT_MODE || 'stdio').toLowerCase();\n    const mode: 'stdio' | 'http' = transportMode === 'http' ? 'http' : 'stdio';\n    await startServer(mode);\n  } catch (error) {\n    logger.error('Failed to start server:', error);\n    process.exit(1);\n  }\n}\n\n// Start the server if this file is run directly\nconst scriptPath = process.argv[1] ? resolve(process.argv[1]) : undefined;\nif (scriptPath && import.meta.url === pathToFileURL(scriptPath).href) {\n  main();\n}\n", "/**\n * CodeQL BQRS decode tool\n */\n\nimport { z } from 'zod';\nimport { CLIToolDefinition, createCodeQLSchemas, createBQRSResultProcessor } from '../../lib/cli-tool-registry';\n\nexport const codeqlBqrsDecodeTool: CLIToolDefinition = {\n  name: 'codeql_bqrs_decode',\n  description: 'Decode BQRS result files to human-readable formats',\n  command: 'codeql',\n  subcommand: 'bqrs decode',\n  inputSchema: {\n    files: z.array(z.string()).describe('BQRS file(s) to decode'),\n    output: createCodeQLSchemas.output(),\n    format: z.enum(['csv', 'json']).optional().describe('Output format'),\n    'max-paths': z.number().optional().describe('Maximum number of paths to output'),\n    'start-at': z.number().optional().describe('Start output at result number'),\n    'max-results': z.number().optional().describe('Maximum number of results'),\n    verbose: createCodeQLSchemas.verbose(),\n    additionalArgs: createCodeQLSchemas.additionalArgs()\n  },\n  examples: [\n    'codeql bqrs decode --format=csv --output=results.csv results.bqrs',\n    'codeql bqrs decode --format=json --max-results=100 results.bqrs'\n  ],\n  resultProcessor: createBQRSResultProcessor()\n};", "/**\n * Generic tool registry for creating MCP tools from CLI command definitions\n */\n\nimport { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';\nimport { z } from 'zod';\nimport { executeCodeQLCommand, executeQLTCommand, CLIExecutionResult } from './cli-executor';\nimport { logger } from '../utils/logger';\nimport { evaluateQueryResults, QueryEvaluationResult, extractQueryMetadata } from './query-results-evaluator';\nimport { getOrCreateLogDirectory } from './log-directory-manager';\nimport { getUserWorkspaceDir, packageRootDir, resolveToolQueryPackPath } from '../utils/package-paths';\nimport { writeFileSync, rmSync, existsSync, mkdirSync } from 'fs';\nimport { basename, dirname, isAbsolute, join, resolve } from 'path';\nimport { createProjectTempDir } from '../utils/temp-dir';\n\nexport type { CLIExecutionResult } from './cli-executor';\n\nexport interface CLIToolDefinition {\n  name: string;\n  description: string;\n  command: 'codeql' | 'qlt';\n  subcommand: string;\n  inputSchema: Record<string, z.ZodTypeAny>;\n  examples?: string[];\n  resultProcessor?: (_result: CLIExecutionResult, _params: Record<string, unknown>) => string;\n}\n\n/**\n * Default result processor that formats CLI output appropriately\n */\nexport const defaultCLIResultProcessor = (\n  result: CLIExecutionResult, \n  _params: Record<string, unknown>\n): string => {\n  if (!result.success) {\n    return `Command failed (exit code ${result.exitCode || 'unknown'}):\\n${result.error || result.stderr}`;\n  }\n  \n  let output = '';\n  \n  if (result.stdout) {\n    output += result.stdout;\n  }\n  \n  if (result.stderr) {\n    if (output) {\n      output += '\\n\\nWarnings/Info:\\n';\n    }\n    output += result.stderr;\n  }\n  \n  if (!output) {\n    output = 'Command executed successfully (no output)';\n  }\n  \n  return output;\n};\n\n/**\n * Register a CLI tool with the MCP server\n */\nexport function registerCLITool(server: McpServer, definition: CLIToolDefinition): void {\n  const {\n    name,\n    description,\n    command,\n    subcommand,\n    inputSchema,\n    resultProcessor = defaultCLIResultProcessor\n  } = definition;\n\n  server.tool(\n    name,\n    description,\n    inputSchema,\n    async (params: Record<string, unknown>) => {\n      // Track temporary directories for cleanup\n      const tempDirsToCleanup: string[] = [];\n      \n      try {\n        logger.info(`Executing CLI tool: ${name}`, { command, subcommand, params });\n\n        // Separate positional arguments from named options\n        // Extract tool-specific parameters that should not be passed to CLI\n        // Note: format is extracted for tools that use it internally but not on CLI\n        // For codeql_bqrs_interpret, codeql_bqrs_decode, codeql_generate_query-help, and codeql_database_analyze, format should be passed to CLI\n        const formatShouldBePassedToCLI = name === 'codeql_bqrs_interpret' || name === 'codeql_bqrs_decode' || name === 'codeql_generate_query-help' || name === 'codeql_database_analyze';\n        \n        const extractedParams = formatShouldBePassedToCLI\n          ? {\n              _positional: params._positional || [],\n              files: params.files,\n              file: params.file,\n              dir: params.dir,\n              packDir: params.packDir,\n              tests: params.tests,\n              query: params.query,\n              queryName: params.queryName,\n              queryLanguage: params.queryLanguage,\n              queryPack: params.queryPack,\n              sourceFiles: params.sourceFiles,\n              sourceFunction: params.sourceFunction,\n              targetFunction: params.targetFunction,\n              interpretedOutput: params.interpretedOutput,\n              evaluationFunction: params.evaluationFunction,\n              evaluationOutput: params.evaluationOutput,\n              directory: params.directory,\n              logDir: params.logDir,\n              qlref: params.qlref\n            }\n          : {\n              _positional: params._positional || [],\n              files: params.files,\n              file: params.file,\n              dir: params.dir,\n              packDir: params.packDir,\n              tests: params.tests,\n              query: params.query,\n              queryName: params.queryName,\n              queryLanguage: params.queryLanguage,\n              queryPack: params.queryPack, \n              sourceFiles: params.sourceFiles,\n              sourceFunction: params.sourceFunction,\n              targetFunction: params.targetFunction,\n              format: params.format,\n              interpretedOutput: params.interpretedOutput,\n              evaluationFunction: params.evaluationFunction,\n              evaluationOutput: params.evaluationOutput,\n              directory: params.directory,\n              logDir: params.logDir,\n              qlref: params.qlref\n            };\n\n        const {\n          _positional = [],\n          files,\n          file,\n          dir,\n          packDir,\n          tests,\n          query,\n          queryName,\n          queryLanguage: _queryLanguage,\n          queryPack: _queryPack,\n          sourceFiles,\n          sourceFunction,\n          targetFunction,\n          format: _format,\n          interpretedOutput: _interpretedOutput,\n          evaluationFunction: _evaluationFunction,\n          evaluationOutput: _evaluationOutput,\n          directory,\n          logDir: customLogDir,\n          qlref,\n        } = extractedParams;\n\n        // Get remaining options (everything not extracted above)\n        const options = {...params};\n        Object.keys(extractedParams).forEach(key => delete options[key]);\n        let positionalArgs = Array.isArray(_positional) ? _positional as string[] : [_positional as string];\n\n        // Handle files parameter as positional arguments for certain tools\n        if (files && Array.isArray(files)) {\n          positionalArgs = [...positionalArgs, ...files as string[]];\n        }\n\n        // Handle file parameter as positional argument for BQRS tools\n        if (file && name.startsWith('codeql_bqrs_')) {\n          positionalArgs = [...positionalArgs, file as string];\n        }\n\n        // Handle qlref parameter as positional argument for resolve qlref tool\n        if (qlref && name === 'codeql_resolve_qlref') {\n          positionalArgs = [...positionalArgs, qlref as string];\n        }\n\n        // Handle database parameter as positional argument for resolve database tool\n        if (options.database && name === 'codeql_resolve_database') {\n          positionalArgs = [...positionalArgs, options.database as string];\n          delete options.database;\n        }\n\n        // Handle database parameter as positional argument for database create tool\n        if (options.database && name === 'codeql_database_create') {\n          positionalArgs = [...positionalArgs, options.database as string];\n          delete options.database;\n        }\n\n        // Handle database and queries parameters as positional arguments for database analyze tool\n        if (name === 'codeql_database_analyze') {\n          if (options.database) {\n            positionalArgs = [...positionalArgs, options.database as string];\n            delete options.database;\n          }\n          if (options.queries) {\n            positionalArgs = [...positionalArgs, options.queries as string];\n            delete options.queries;\n          }\n        }\n\n        // Handle query parameter as positional argument for generate query-help tool\n        if (query && name === 'codeql_generate_query-help') {\n          positionalArgs = [...positionalArgs, query as string];\n        }\n\n        // Handle dir parameter as positional argument for pack tools\n        if (dir && (name === 'codeql_pack_ls')) {\n          positionalArgs = [...positionalArgs, dir as string];\n        }\n        \n        // Handle tool-specific parameters using switch pattern for better maintainability\n        switch (name) {\n          case 'codeql_test_accept':\n          case 'codeql_test_extract':\n          case 'codeql_test_run':\n          case 'codeql_resolve_tests':\n            // Handle tests parameter as positional arguments for test tools.\n            // Resolve relative paths against the user's effective workspace\n            // directory. In monorepo layouts this is the repo root; in npm-\n            // installed layouts it falls back to process.cwd().\n            if (tests && Array.isArray(tests)) {\n              const userDir = getUserWorkspaceDir();\n              positionalArgs = [...positionalArgs, ...(tests as string[]).map(\n                t => isAbsolute(t) ? t : resolve(userDir, t)\n              )];\n            }\n            break;\n            \n          case 'codeql_query_run': {\n            // Resolve database path to absolute path if it's relative\n            if (options.database && typeof options.database === 'string' && !isAbsolute(options.database)) {\n              options.database = resolve(getUserWorkspaceDir(), options.database);\n              logger.info(`Resolved database path to: ${options.database}`);\n            }\n            \n            // Implement query resolution logic with enhanced results processing\n            const resolvedQuery = await resolveQueryPath(params, logger);\n            if (resolvedQuery) {\n              positionalArgs = [...positionalArgs, resolvedQuery];\n            } else if (query) {\n              positionalArgs = [...positionalArgs, query as string];\n            }\n            \n            // Handle external predicates for tool queries\n            if (queryName === 'PrintAST' && sourceFiles) {\n              // Create a CSV file with the source file paths for the external predicate\n              // The external predicate expects a CSV file with one column containing file paths\n              const filePaths = (sourceFiles as string).split(',').map((f: string) => f.trim());\n              let tempDir: string;\n              let csvPath: string;\n              try {\n                tempDir = createProjectTempDir('codeql-external-');\n                tempDirsToCleanup.push(tempDir); // Track for cleanup\n                csvPath = join(tempDir, 'selectedSourceFiles.csv');\n\n                // Create CSV content\n                const csvContent = filePaths.join('\\n') + '\\n';\n\n                writeFileSync(csvPath, csvContent, 'utf8');\n              } catch (err) {\n                logger.error(`Failed to create external predicate CSV for PrintAST query at path ${csvPath || '[unknown]'}: ${err instanceof Error ? err.message : String(err)}`);\n                throw err;\n              }\n              \n              // Add the external predicate with the CSV file path\n              const currentExternal = options.external || [];\n              const externalArray = Array.isArray(currentExternal) ? currentExternal : [currentExternal];\n              externalArray.push(`selectedSourceFiles=${csvPath}`);\n              options.external = externalArray;\n              \n              logger.info(`Created external predicate CSV at ${csvPath} for files: ${filePaths.join(', ')}`);\n            }\n            \n            // Handle external predicates for CallGraphFrom queries\n            if (queryName === 'CallGraphFrom' && sourceFunction) {\n              const functionNames = (sourceFunction as string).split(',').map((f: string) => f.trim());\n              let tempDir: string;\n              let csvPath: string;\n              try {\n                tempDir = createProjectTempDir('codeql-external-');\n                tempDirsToCleanup.push(tempDir);\n                csvPath = join(tempDir, 'sourceFunction.csv');\n\n                // Create CSV content\n                const csvContent = functionNames.join('\\n') + '\\n';\n\n                writeFileSync(csvPath, csvContent, 'utf8');\n              } catch (err) {\n                logger.error(`Failed to create external predicate CSV for CallGraphFrom query at path ${csvPath || '[unknown]'}: ${err instanceof Error ? err.message : String(err)}`);\n                throw err;\n              }\n              \n              // Add the external predicate with the CSV file path\n              const currentExternal = options.external || [];\n              const externalArray = Array.isArray(currentExternal) ? currentExternal : [currentExternal];\n              externalArray.push(`sourceFunction=${csvPath}`);\n              options.external = externalArray;\n              \n              logger.info(`Created external predicate CSV at ${csvPath} for functions: ${functionNames.join(', ')}`);\n            }\n            \n            // Handle external predicates for CallGraphTo queries\n            if (queryName === 'CallGraphTo' && targetFunction) {\n              const functionNames = (targetFunction as string).split(',').map((f: string) => f.trim());\n              let tempDir: string;\n              let csvPath: string;\n              try {\n                tempDir = createProjectTempDir('codeql-external-');\n                tempDirsToCleanup.push(tempDir);\n                csvPath = join(tempDir, 'targetFunction.csv');\n\n                // Create CSV content\n                const csvContent = functionNames.join('\\n') + '\\n';\n\n                writeFileSync(csvPath, csvContent, 'utf8');\n              } catch (err) {\n                logger.error(`Failed to create external predicate CSV for CallGraphTo query at path ${csvPath || '[unknown]'}: ${err instanceof Error ? err.message : String(err)}`);\n                throw err;\n              }\n              \n              // Add the external predicate with the CSV file path\n              const currentExternal = options.external || [];\n              const externalArray = Array.isArray(currentExternal) ? currentExternal : [currentExternal];\n              externalArray.push(`targetFunction=${csvPath}`);\n              options.external = externalArray;\n              \n              logger.info(`Created external predicate CSV at ${csvPath} for functions: ${functionNames.join(', ')}`);\n            }\n            break;\n          }\n            \n          case 'codeql_query_compile':\n          case 'codeql_resolve_metadata':\n            // Handle query parameter as positional argument for query compilation and metadata tools\n            if (query) {\n              positionalArgs = [...positionalArgs, query as string];\n            }\n            break;\n            \n          case 'codeql_resolve_queries':\n            // Handle directory parameter as positional argument\n            if (directory) {\n              positionalArgs = [...positionalArgs, directory as string];\n            }\n            break;\n            \n          default:\n            // No special parameter handling needed for other tools\n            break;\n        }\n\n        // Set up logging directory for query/test runs\n        let queryLogDir: string | undefined;\n        if (name === 'codeql_query_run' || name === 'codeql_test_run') {\n          queryLogDir = getOrCreateLogDirectory(customLogDir as string | undefined);\n          logger.info(`Using log directory for ${name}: ${queryLogDir}`);\n          \n          // Create timestamp file to track when query/test run started\n          const timestampPath = join(queryLogDir, 'timestamp');\n          writeFileSync(timestampPath, Date.now().toString(), 'utf8');\n          \n          // Set the --logdir option for CodeQL CLI\n          options.logdir = queryLogDir;\n          \n          // Set verbosity to progress+ to generate detailed query.log/test.log\n          if (!options.verbosity) {\n            options.verbosity = 'progress+';\n          }\n          \n          // For query run, also handle the deprecated evaluator-log parameter and default output\n          if (name === 'codeql_query_run') {\n            // If evaluator-log was explicitly provided (deprecated), use it\n            // Otherwise, set it to the log directory\n            if (!options['evaluator-log']) {\n              options['evaluator-log'] = join(queryLogDir, 'evaluator-log.jsonl');\n            }\n            \n            // If output was not explicitly provided, set it to the log directory\n            if (!options.output) {\n              options.output = join(queryLogDir, 'results.bqrs');\n            }\n          }\n        }\n\n        let result: CLIExecutionResult;\n        \n        if (command === 'codeql') {\n          // For pack commands, set the working directory to where qlpack.yml is located.\n          // Resolve to absolute path since the MCP server's cwd may differ from\n          // the workspace root (especially when launched by VS Code).\n          let cwd: string | undefined;\n          if ((name === 'codeql_pack_install' || name === 'codeql_pack_ls') && (dir || packDir)) {\n            const rawCwd = (dir || packDir) as string;\n            // Resolve relative paths against the user's effective workspace\n            // directory rather than a potentially read-only package root.\n            cwd = isAbsolute(rawCwd) ? rawCwd : resolve(getUserWorkspaceDir(), rawCwd);\n          }\n          \n          // Add --additional-packs for commands that need to access local test packs.\n          // Only set the default examples path when it actually exists on disk\n          // (it may be absent in npm-installed layouts where ql/javascript/examples/\n          // is not included in the published package).\n          const defaultExamplesPath = resolve(packageRootDir, 'ql', 'javascript', 'examples');\n          const additionalPacksPath = process.env.CODEQL_ADDITIONAL_PACKS\n            || (existsSync(defaultExamplesPath) ? defaultExamplesPath : undefined);\n          if (additionalPacksPath && (name === 'codeql_test_run' || name === 'codeql_query_run' || name === 'codeql_query_compile')) {\n            options['additional-packs'] = additionalPacksPath;\n          }\n          \n          // Keep test databases for codeql_test_run to allow subsequent query runs\n          if (name === 'codeql_test_run') {\n            options['keep-databases'] = true;\n          }\n          \n          result = await executeCodeQLCommand(subcommand, options, positionalArgs, cwd);\n        } else if (command === 'qlt') {\n          result = await executeQLTCommand(subcommand, options, positionalArgs);\n        } else {\n          throw new Error(`Unsupported command: ${command}`);\n        }\n\n        // Post-execution processing for codeql_query_run\n        if (name === 'codeql_query_run' && result.success && queryLogDir) {\n          // Generate SARIF interpretation if results.bqrs exists\n          const bqrsPath = options.output as string;\n          const sarifPath = join(queryLogDir, 'results.sarif');\n          \n          if (existsSync(bqrsPath)) {\n            try {\n              const sarifResult = await executeCodeQLCommand(\n                'bqrs interpret',\n                { format: 'sarif-latest', output: sarifPath },\n                [bqrsPath]\n              );\n              \n              if (sarifResult.success) {\n                logger.info(`Generated SARIF interpretation at ${sarifPath}`);\n              }\n            } catch (error) {\n              logger.warn(`Failed to generate SARIF interpretation: ${error}`);\n            }\n          }\n          \n          // Process evaluation results\n          result = await processQueryRunResults(result, params, logger);\n        }\n\n        // Process the result\n        const processedResult = resultProcessor(result, params);\n\n        return {\n          content: [{\n            type: 'text' as const,\n            text: processedResult\n          }],\n          isError: !result.success\n        };\n\n      } catch (error) {\n        logger.error(`Error in CLI tool ${name}:`, error);\n        \n        return {\n          content: [{\n            type: 'text' as const,\n            text: `Failed to execute CLI tool: ${error instanceof Error ? error.message : String(error)}`\n          }],\n          isError: true\n        };\n      } finally {\n        // Clean up temporary directories\n        for (const tempDir of tempDirsToCleanup) {\n          try {\n            rmSync(tempDir, { recursive: true, force: true });\n            logger.info(`Cleaned up temporary directory: ${tempDir}`);\n          } catch (cleanupError) {\n            logger.error(`Failed to clean up temporary directory ${tempDir}:`, cleanupError);\n          }\n        }\n      }\n    }\n  );\n}\n\n/**\n * Helper function to create common CodeQL input schemas\n */\nexport const createCodeQLSchemas = {\n  database: () => z.string().describe('Path to the CodeQL database'),\n  \n  query: () => z.string().describe('Path to the CodeQL query file (.ql)'),\n  \n  output: () => z.string().optional().describe('Output file path'),\n  \n  outputFormat: () => z.enum(['csv', 'json', 'bqrs', 'sarif-latest', 'sarifv2.1.0']).optional()\n    .describe('Output format for results'),\n  \n  language: () => z.string().optional().describe('Programming language'),\n  \n  threads: () => z.number().optional().describe('Number of threads to use'),\n  \n  ram: () => z.number().optional().describe('Amount of RAM to use (MB)'),\n  \n  timeout: () => z.number().optional().describe('Timeout in seconds'),\n  \n  verbose: () => z.boolean().optional().describe('Enable verbose output'),\n  \n  additionalArgs: () => z.array(z.string()).optional().describe('Additional command-line arguments'),\n  \n  positionalArgs: () => z.array(z.string()).optional().describe('Positional arguments')\n    .transform((val) => ({ _positional: val }))\n};\n\n/**\n * Helper function to create common QLT input schemas\n */\nexport const createQLTSchemas = {\n  language: () => z.string().describe('Programming language'),\n  \n  output: () => z.string().optional().describe('Output directory or file path'),\n  \n  template: () => z.string().optional().describe('Template to use'),\n  \n  name: () => z.string().optional().describe('Name for generated query'),\n  \n  description: () => z.string().optional().describe('Description for generated query'),\n  \n  verbose: () => z.boolean().optional().describe('Enable verbose output'),\n  \n  force: () => z.boolean().optional().describe('Force overwrite existing files'),\n  \n  additionalArgs: () => z.array(z.string()).optional().describe('Additional command-line arguments')\n};\n\n/**\n * Create a result processor that formats BQRS output specially\n */\nexport const createBQRSResultProcessor = () => (\n  result: CLIExecutionResult, \n  params: Record<string, unknown>\n): string => {\n  if (!result.success) {\n    return defaultCLIResultProcessor(result, params);\n  }\n  \n  // For BQRS commands, provide more context about the output\n  let output = result.stdout;\n  \n  if (params.output) {\n    output += `\\n\\nResults saved to: ${params.output}`;\n  }\n  \n  if (result.stderr) {\n    output += `\\n\\nAdditional information:\\n${result.stderr}`;\n  }\n  \n  return output;\n};\n\n/**\n * Create a result processor that formats database creation output\n */\nexport const createDatabaseResultProcessor = () => (\n  result: CLIExecutionResult, \n  params: Record<string, unknown>\n): string => {\n  if (!result.success) {\n    return defaultCLIResultProcessor(result, params);\n  }\n  \n  let output = 'Database creation completed successfully';\n  \n  if (params.database || params._positional) {\n    const dbPath = params.database || (Array.isArray(params._positional) ? params._positional[0] : params._positional);\n    output += `\\n\\nDatabase location: ${dbPath}`;\n  }\n  \n  if (result.stdout) {\n    output += `\\n\\nOutput:\\n${result.stdout}`;\n  }\n  \n  if (result.stderr) {\n    output += `\\n\\nAdditional information:\\n${result.stderr}`;\n  }\n  \n  return output;\n};\n\n/**\n * Resolve query path for codeql_query_run tool\n * If queryName and queryLanguage are provided, resolve using codeql resolve queries\n */\nasync function resolveQueryPath(\n  params: Record<string, unknown>, \n  logger: { info: (_message: string, ..._args: unknown[]) => void; error: (_message: string, ..._args: unknown[]) => void }\n): Promise<string | null> {\n  const { queryName, queryLanguage, queryPack, query } = params;\n  \n  // Validate parameter usage - queryName and query are mutually exclusive\n  if (queryName && query) {\n    logger.error('Cannot use both \"query\" and \"queryName\" parameters simultaneously. Use either \"query\" for direct file path OR \"queryName\" + \"queryLanguage\" for tool queries.');\n    throw new Error('Cannot use both \"query\" and \"queryName\" parameters simultaneously. Use either \"query\" for direct file path OR \"queryName\" + \"queryLanguage\" for tool queries.');\n  }\n  \n  // If no queryName provided, fall back to direct query parameter\n  if (!queryName) {\n    return query as string || null;\n  }\n  \n  // If queryName provided but no language, we can't resolve\n  if (!queryLanguage) {\n    logger.error('queryLanguage is required when using queryName parameter. Supported languages: actions, cpp, csharp, go, java, javascript, python, ruby, swift');\n    throw new Error('queryLanguage is required when using queryName parameter. Supported languages: actions, cpp, csharp, go, java, javascript, python, ruby, swift');\n  }\n  \n  try {\n    // Determine the query pack path - use absolute path to ensure it works regardless of cwd\n    const defaultPackPath = resolveToolQueryPackPath(queryLanguage as string);\n    const packPath = queryPack as string || defaultPackPath;\n    \n    logger.info(`Resolving query: ${queryName} for language: ${queryLanguage} in pack: ${packPath}`);\n    \n    // Execute codeql resolve queries to get available queries\n    const { executeCodeQLCommand } = await import('./cli-executor');\n    const resolveResult = await executeCodeQLCommand(\n      'resolve queries',\n      { format: 'json' },\n      [packPath]\n    );\n    \n    if (!resolveResult.success) {\n      logger.error('Failed to resolve queries:', resolveResult.stderr || resolveResult.error);\n      throw new Error(`Failed to resolve queries: ${resolveResult.stderr || resolveResult.error}`);\n    }\n    \n    // Parse the JSON output to find matching queries\n    let resolvedQueries: string[];\n    try {\n      resolvedQueries = JSON.parse(resolveResult.stdout);\n    } catch (parseError) {\n      logger.error('Failed to parse resolve queries output:', parseError);\n      throw new Error('Failed to parse resolve queries output');\n    }\n    \n    // Find the query that matches the requested name exactly\n    const matchingQuery = resolvedQueries.find(queryPath => {\n      const fileName = basename(queryPath);\n      // Match exact query name: \"PrintAST\" should match \"PrintAST.ql\" only\n      return fileName === `${queryName}.ql`;\n    });\n\n    if (!matchingQuery) {\n      logger.error(`Query \"${queryName}.ql\" not found in pack \"${packPath}\". Available queries:`, resolvedQueries.map(q => basename(q)));\n      throw new Error(`Query \"${queryName}.ql\" not found in pack \"${packPath}\"`);\n    }\n    \n    logger.info(`Resolved query \"${queryName}\" to: ${matchingQuery}`);\n    return matchingQuery;\n    \n  } catch (error) {\n    logger.error('Error resolving query path:', error);\n    throw error;\n  }\n}\n\n/**\n * Interpret BQRS file using codeql bqrs interpret\n */\nasync function interpretBQRSFile(\n  bqrsPath: string,\n  queryPath: string,\n  format: string,\n  outputPath: string,\n  logger: { info: (_message: string, ..._args: unknown[]) => void; error: (_message: string, ..._args: unknown[]) => void }\n): Promise<CLIExecutionResult> {\n  try {\n    // Extract query metadata to get id and kind\n    const metadata = await extractQueryMetadata(queryPath);\n    \n    // Validate required metadata fields\n    const missingFields = [];\n    if (!metadata.id) missingFields.push('id');\n    if (!metadata.kind) missingFields.push('kind');\n    \n    if (missingFields.length > 0) {\n      return {\n        success: false,\n        exitCode: 1,\n        stdout: '',\n        stderr: '',\n        error: `Query metadata is incomplete. Missing required field(s): ${missingFields.join(', ')}. Ensure the query file contains @id and @kind metadata.`\n      };\n    }\n    \n    // Sanitize metadata values to prevent command injection\n    const sanitizedKind = (metadata.kind || '').replace(/[^a-zA-Z0-9_-]/g, '');\n    const sanitizedId = (metadata.id || '').replace(/[^a-zA-Z0-9_/:-]/g, '');\n    \n    // Validate format for query kind\n    const graphFormats = ['graphtext', 'dgml', 'dot'];\n    if (graphFormats.includes(format) && metadata.kind !== 'graph') {\n      return {\n        success: false,\n        exitCode: 1,\n        stdout: '',\n        stderr: '',\n        error: `Format '${format}' is only compatible with @kind graph queries, but this query has @kind ${metadata.kind}`\n      };\n    }\n    \n    // Ensure output directory exists\n    mkdirSync(dirname(outputPath), { recursive: true });\n    \n    // Build the codeql bqrs interpret command\n    const params: Record<string, unknown> = {\n      format: format,\n      output: outputPath,\n      t: [`kind=${sanitizedKind}`, `id=${sanitizedId}`]\n    };\n    \n    logger.info(`Interpreting BQRS file ${bqrsPath} with format ${format} to ${outputPath}`);\n    \n    // Execute codeql bqrs interpret\n    const result = await executeCodeQLCommand(\n      'bqrs interpret',\n      params,\n      [bqrsPath]\n    );\n    \n    return result;\n  } catch (error) {\n    return {\n      success: false,\n      exitCode: 1,\n      stdout: '',\n      stderr: '',\n      error: `Failed to interpret BQRS file: ${error}`\n    };\n  }\n}\n\n/**\n * Get default output extension based on format\n */\nfunction getDefaultExtension(format: string): string {\n  switch (format) {\n    case 'sarif-latest':\n    case 'sarifv2.1.0':\n      return '.sarif';\n    case 'csv':\n      return '.csv';\n    case 'graphtext':\n      return '.txt';\n    case 'dgml':\n      return '.dgml';\n    case 'dot':\n      return '.dot';\n    default:\n      return '.txt';\n  }\n}\n\n/**\n * Process query run results with optional interpretation or evaluation\n */\nasync function processQueryRunResults(\n  result: CLIExecutionResult,\n  params: Record<string, unknown>,\n  logger: { info: (_message: string, ..._args: unknown[]) => void; error: (_message: string, ..._args: unknown[]) => void }\n): Promise<CLIExecutionResult> {\n  try {\n    const { format, interpretedOutput, evaluationFunction, evaluationOutput, output, query, queryName, queryLanguage } = params;\n    \n    // If no format or evaluationFunction specified, return as-is\n    if (!format && !evaluationFunction) {\n      return result;\n    }\n    \n    // Ensure output (bqrs file) was generated\n    if (!output) {\n      return result;\n    }\n    \n    const bqrsPath = output as string;\n    \n    // Determine the query path for metadata extraction\n    let queryPath: string | null = null;\n    \n    if (query) {\n      queryPath = query as string;\n    } else if (queryName && queryLanguage) {\n      // Try to resolve the query path again for evaluation\n      queryPath = await resolveQueryPath(params, logger);\n    }\n    \n    if (!queryPath) {\n      logger.error('Cannot determine query path for interpretation/evaluation');\n      return {\n        ...result,\n        stdout: result.stdout + '\\n\\nWarning: Query interpretation skipped - could not determine query path'\n      };\n    }\n    \n    // Handle new format parameter (preferred approach)\n    if (format) {\n      const outputFormat = format as string;\n      \n      // Determine output path\n      let outputFilePath = interpretedOutput as string | undefined;\n      if (!outputFilePath) {\n        const ext = getDefaultExtension(outputFormat);\n        outputFilePath = bqrsPath.replace('.bqrs', ext);\n      }\n      \n      logger.info(`Interpreting query results from ${bqrsPath} with format: ${outputFormat}`);\n      \n      // Interpret the BQRS file\n      const interpretResult = await interpretBQRSFile(\n        bqrsPath,\n        queryPath,\n        outputFormat,\n        outputFilePath,\n        logger\n      );\n      \n      if (interpretResult.success) {\n        let enhancedOutput = result.stdout;\n        enhancedOutput += `\\n\\nQuery results interpreted successfully with format: ${outputFormat}`;\n        enhancedOutput += `\\nInterpreted output saved to: ${outputFilePath}`;\n        \n        return {\n          ...result,\n          stdout: enhancedOutput\n        };\n      } else {\n        logger.error('Query interpretation failed:', interpretResult.error);\n        return {\n          ...result,\n          stdout: result.stdout + `\\n\\nWarning: Query interpretation failed - ${interpretResult.error || interpretResult.stderr}`\n        };\n      }\n    }\n    \n    // Handle legacy evaluationFunction parameter (deprecated)\n    if (evaluationFunction) {\n      logger.info(`Using deprecated evaluationFunction parameter. Consider using format parameter instead.`);\n      logger.info(`Evaluating query results from ${bqrsPath} using function: ${evaluationFunction}`);\n      \n      // Perform the evaluation\n      const evaluationResult: QueryEvaluationResult = await evaluateQueryResults(\n        bqrsPath,\n        queryPath,\n        evaluationFunction as string,\n        evaluationOutput as string | undefined\n      );\n      \n      if (evaluationResult.success) {\n        // Append evaluation results to the command output\n        let enhancedOutput = result.stdout;\n        \n        if (evaluationResult.outputPath) {\n          enhancedOutput += `\\n\\nQuery evaluation completed successfully.`;\n          enhancedOutput += `\\nEvaluation output saved to: ${evaluationResult.outputPath}`;\n        }\n        \n        if (evaluationResult.content) {\n          enhancedOutput += `\\n\\n=== Query Results Evaluation ===\\n`;\n          enhancedOutput += evaluationResult.content;\n        }\n        \n        return {\n          ...result,\n          stdout: enhancedOutput\n        };\n      } else {\n        // Evaluation failed, but don't fail the whole operation\n        logger.error('Query evaluation failed:', evaluationResult.error);\n        return {\n          ...result,\n          stdout: result.stdout + `\\n\\nWarning: Query evaluation failed - ${evaluationResult.error}`\n        };\n      }\n    }\n    \n    return result;\n  } catch (error) {\n    logger.error('Error in query results processing:', error);\n    return {\n      ...result,\n      stdout: result.stdout + `\\n\\nWarning: Query processing error - ${error}`\n    };\n  }\n}", "/**\n * Query results evaluation functions for processing .bqrs files\n */\n\nimport { executeCodeQLCommand } from './cli-executor';\nimport { logger } from '../utils/logger';\nimport { writeFileSync, readFileSync } from 'fs';\nimport { dirname, isAbsolute } from 'path';\nimport { mkdirSync } from 'fs';\n\nexport interface QueryEvaluationResult {\n  success: boolean;\n  outputPath?: string;\n  content?: string;\n  error?: string;\n}\n\nexport interface QueryMetadata {\n  kind?: string;\n  name?: string;\n  description?: string;\n  id?: string;\n  tags?: string[];\n}\n\n/**\n * Built-in evaluation functions\n */\nexport const BUILT_IN_EVALUATORS = {\n  'json-decode': 'JSON format decoder for query results',\n  'csv-decode': 'CSV format decoder for query results', \n  'mermaid-graph': 'Mermaid diagram generator for @kind graph queries (like PrintAST)',\n} as const;\n\nexport type BuiltInEvaluator = keyof typeof BUILT_IN_EVALUATORS;\n\n/**\n * Extract metadata from a CodeQL query file\n */\nexport async function extractQueryMetadata(queryPath: string): Promise<QueryMetadata> {\n  try {\n    const queryContent = readFileSync(queryPath, 'utf-8');\n    const metadata: QueryMetadata = {};\n    \n    // Extract metadata from comments using regex patterns\n    const kindMatch = queryContent.match(/@kind\\s+([^\\s]+)/);\n    if (kindMatch) metadata.kind = kindMatch[1];\n    \n    const nameMatch = queryContent.match(/@name\\s+(.+)/);\n    if (nameMatch) metadata.name = nameMatch[1].trim();\n    \n    const descMatch = queryContent.match(/@description\\s+(.+)/);\n    if (descMatch) metadata.description = descMatch[1].trim();\n    \n    const idMatch = queryContent.match(/@id\\s+(.+)/);\n    if (idMatch) metadata.id = idMatch[1].trim();\n    \n    const tagsMatch = queryContent.match(/@tags\\s+(.+)/);\n    if (tagsMatch) {\n      metadata.tags = tagsMatch[1].split(/\\s+/).filter(t => t.length > 0);\n    }\n    \n    return metadata;\n  } catch (error) {\n    logger.error('Failed to extract query metadata:', error);\n    return {};\n  }\n}\n\n/**\n * JSON decoder - converts .bqrs to JSON format\n */\nexport async function evaluateWithJsonDecoder(\n  bqrsPath: string, \n  outputPath?: string\n): Promise<QueryEvaluationResult> {\n  try {\n    const result = await executeCodeQLCommand(\n      'bqrs decode',\n      { format: 'json' },\n      [bqrsPath]\n    );\n    \n    if (!result.success) {\n      return {\n        success: false,\n        error: `Failed to decode BQRS file: ${result.stderr || result.error}`\n      };\n    }\n    \n    const defaultOutputPath = outputPath || bqrsPath.replace('.bqrs', '.json');\n    \n    // Ensure output directory exists\n    mkdirSync(dirname(defaultOutputPath), { recursive: true });\n    \n    // Write JSON results\n    writeFileSync(defaultOutputPath, result.stdout);\n    \n    return {\n      success: true,\n      outputPath: defaultOutputPath,\n      content: result.stdout\n    };\n  } catch (error) {\n    return {\n      success: false,\n      error: `JSON evaluation failed: ${error}`\n    };\n  }\n}\n\n/**\n * CSV decoder - converts .bqrs to CSV format\n */\nexport async function evaluateWithCsvDecoder(\n  bqrsPath: string,\n  outputPath?: string\n): Promise<QueryEvaluationResult> {\n  try {\n    const result = await executeCodeQLCommand(\n      'bqrs decode',\n      { format: 'csv' },\n      [bqrsPath]\n    );\n    \n    if (!result.success) {\n      return {\n        success: false,\n        error: `Failed to decode BQRS file: ${result.stderr || result.error}`\n      };\n    }\n    \n    const defaultOutputPath = outputPath || bqrsPath.replace('.bqrs', '.csv');\n    \n    // Ensure output directory exists\n    mkdirSync(dirname(defaultOutputPath), { recursive: true });\n    \n    // Write CSV results\n    writeFileSync(defaultOutputPath, result.stdout);\n    \n    return {\n      success: true,\n      outputPath: defaultOutputPath,\n      content: result.stdout\n    };\n  } catch (error) {\n    return {\n      success: false,\n      error: `CSV evaluation failed: ${error}`\n    };\n  }\n}\n\n/**\n * Mermaid graph generator - converts @kind graph query results to mermaid diagrams\n */\nexport async function evaluateWithMermaidGraph(\n  bqrsPath: string,\n  queryPath: string,\n  outputPath?: string\n): Promise<QueryEvaluationResult> {\n  try {\n    // First extract query metadata to confirm this is a graph query\n    const metadata = await extractQueryMetadata(queryPath);\n    \n    if (metadata.kind !== 'graph') {\n      logger.error(`Query is not a graph query (kind: ${metadata.kind}), mermaid-graph evaluation is only for @kind graph queries`);\n      return {\n        success: false,\n        error: `Query is not a graph query (kind: ${metadata.kind}), mermaid-graph evaluation is only for @kind graph queries`\n      };\n    }\n    \n    // Decode the BQRS file to JSON first\n    const jsonResult = await executeCodeQLCommand(\n      'bqrs decode',\n      { format: 'json' },\n      [bqrsPath]\n    );\n    \n    if (!jsonResult.success) {\n      return {\n        success: false,\n        error: `Failed to decode BQRS file: ${jsonResult.stderr || jsonResult.error}`\n      };\n    }\n    \n    // Parse the JSON results\n    let queryResults;\n    try {\n      queryResults = JSON.parse(jsonResult.stdout);\n    } catch (parseError) {\n      return {\n        success: false,\n        error: `Failed to parse query results JSON: ${parseError}`\n      };\n    }\n    \n    // Generate mermaid diagram from graph results\n    const mermaidContent = generateMermaidFromGraphResults(queryResults, metadata);\n    \n    const defaultOutputPath = outputPath || bqrsPath.replace('.bqrs', '.md');\n    \n    // Ensure output directory exists\n    mkdirSync(dirname(defaultOutputPath), { recursive: true });\n    \n    // Write markdown file with mermaid diagram\n    writeFileSync(defaultOutputPath, mermaidContent);\n    \n    return {\n      success: true,\n      outputPath: defaultOutputPath,\n      content: mermaidContent\n    };\n  } catch (error) {\n    return {\n      success: false,\n      error: `Mermaid graph evaluation failed: ${error}`\n    };\n  }\n}\n\n/**\n * Generate mermaid diagram from CodeQL graph query results\n */\nfunction generateMermaidFromGraphResults(queryResults: unknown, metadata: QueryMetadata): string {\n  const queryName = sanitizeMarkdown(metadata.name || 'CodeQL Query Results');\n  const queryDesc = sanitizeMarkdown(metadata.description || 'Graph visualization of CodeQL query results');\n  \n  let mermaidContent = `# ${queryName}\\n\\n${queryDesc}\\n\\n`;\n  \n  // Handle different result structures that CodeQL graph queries can produce\n  if (!queryResults || typeof queryResults !== 'object') {\n    mermaidContent += '```mermaid\\ngraph TD\\n    A[No Results]\\n```\\n';\n    return mermaidContent;\n  }\n  \n  // Check if results have the expected structure for graph queries\n  const tuples = queryResults.tuples || queryResults;\n  \n  if (!Array.isArray(tuples) || tuples.length === 0) {\n    mermaidContent += '```mermaid\\ngraph TD\\n    A[No Graph Data]\\n```\\n';\n    return mermaidContent;\n  }\n  \n  mermaidContent += '```mermaid\\ngraph TD\\n';\n  \n  // Track nodes and edges to avoid duplicates\n  const nodes = new Set<string>();\n  const edges = new Set<string>();\n  \n  // Process each tuple in the results\n  tuples.forEach((tuple: unknown, index: number) => {\n    if (Array.isArray(tuple) && tuple.length >= 2) {\n      // Extract source and target from tuple\n      const source = sanitizeNodeId(tuple[0]?.toString() || `node_${index}_0`);\n      const target = sanitizeNodeId(tuple[1]?.toString() || `node_${index}_1`);\n      const label = tuple[2]?.toString() || '';\n      \n      // Add nodes\n      nodes.add(source);\n      nodes.add(target);\n      \n      // Add edge\n      const edgeId = `${source}_${target}`;\n      if (!edges.has(edgeId)) {\n        if (label) {\n          mermaidContent += `    ${source} -->|${sanitizeLabel(label)}| ${target}\\n`;\n        } else {\n          mermaidContent += `    ${source} --> ${target}\\n`;\n        }\n        edges.add(edgeId);\n      }\n    } else if (typeof tuple === 'object' && tuple !== null) {\n      // Handle object-based results\n      const source = sanitizeNodeId(tuple.source?.toString() || tuple.from?.toString() || `node_${index}_src`);\n      const target = sanitizeNodeId(tuple.target?.toString() || tuple.to?.toString() || `node_${index}_tgt`);\n      const label = tuple.label?.toString() || tuple.relation?.toString() || '';\n      \n      nodes.add(source);\n      nodes.add(target);\n      \n      const edgeId = `${source}_${target}`;\n      if (!edges.has(edgeId)) {\n        if (label) {\n          mermaidContent += `    ${source} -->|${sanitizeLabel(label)}| ${target}\\n`;\n        } else {\n          mermaidContent += `    ${source} --> ${target}\\n`;\n        }\n        edges.add(edgeId);\n      }\n    }\n  });\n  \n  // If no edges were created, create a simple diagram showing the first few nodes\n  if (edges.size === 0 && nodes.size > 0) {\n    const nodeArray = Array.from(nodes).slice(0, 10); // Limit to avoid clutter\n    nodeArray.forEach((node, index) => {\n      if (index === 0) {\n        mermaidContent += `    ${node}[${sanitizeLabel(node)}]\\n`;\n      } else {\n        mermaidContent += `    ${nodeArray[0]} --> ${node}\\n`;\n      }\n    });\n  }\n  \n  mermaidContent += '```\\n\\n';\n  \n  // Add statistics\n  mermaidContent += `## Query Statistics\\n\\n`;\n  mermaidContent += `- Total nodes: ${nodes.size}\\n`;\n  mermaidContent += `- Total edges: ${edges.size}\\n`;\n  mermaidContent += `- Total tuples processed: ${tuples.length}\\n`;\n  \n  return mermaidContent;\n}\n\n/**\n * Sanitize node IDs for mermaid compatibility\n */\nfunction sanitizeNodeId(id: string): string {\n  return id\n    .replace(/[^a-zA-Z0-9_]/g, '_')\n    .replace(/^(\\d)/, 'n$1') // Prefix with 'n' if starts with number\n    .substring(0, 50); // Limit length\n}\n\n/**\n * Sanitize labels for mermaid compatibility\n */\nfunction sanitizeLabel(label: string): string {\n  return label\n    .replace(/[|\"`<>\\n\\r\\t]/g, '') // Remove problematic characters including backticks, newlines, angle brackets\n    .replace(/\\s+/g, ' ') // Normalize whitespace\n    .trim()\n    .substring(0, 30); // Limit length for readability\n}\n\n/**\n * Sanitize markdown content to prevent injection\n */\nfunction sanitizeMarkdown(content: string): string {\n  return content\n    .replace(/[<>\"`]/g, '') // Remove potentially dangerous characters\n    .replace(/\\n/g, ' ') // Convert newlines to spaces\n    .replace(/\\s+/g, ' ') // Normalize whitespace\n    .trim()\n    .substring(0, 100); // Limit length\n}\n\n/**\n * Main evaluation function that determines which evaluator to use\n */\nexport async function evaluateQueryResults(\n  bqrsPath: string,\n  queryPath: string,\n  evaluationFunction?: string,\n  outputPath?: string\n): Promise<QueryEvaluationResult> {\n  try {\n    // If no evaluation function specified, default to json-decode\n    const evalFunc = evaluationFunction || 'json-decode';\n    \n    logger.info(`Evaluating query results with function: ${evalFunc}`);\n    \n    // Handle built-in evaluation functions\n    switch (evalFunc) {\n      case 'json-decode':\n        return await evaluateWithJsonDecoder(bqrsPath, outputPath);\n        \n      case 'csv-decode':\n        return await evaluateWithCsvDecoder(bqrsPath, outputPath);\n        \n      case 'mermaid-graph':\n        return await evaluateWithMermaidGraph(bqrsPath, queryPath, outputPath);\n        \n      default:\n        // Check if it's a path to a custom evaluation script\n        if (isAbsolute(evalFunc)) {\n          return await evaluateWithCustomScript(bqrsPath, queryPath, evalFunc, outputPath);\n        } else {\n          return {\n            success: false,\n            error: `Unknown evaluation function: ${evalFunc}. Available built-in functions: ${Object.keys(BUILT_IN_EVALUATORS).join(', ')}`\n          };\n        }\n    }\n  } catch (error) {\n    return {\n      success: false,\n      error: `Query evaluation failed: ${error}`\n    };\n  }\n}\n\n/**\n * Execute custom evaluation script\n */\nasync function evaluateWithCustomScript(\n  _bqrsPath: string,\n  _queryPath: string,\n  _scriptPath: string,\n  _outputPath?: string\n): Promise<QueryEvaluationResult> {\n  // TODO: Implement custom script execution\n  // This would need to execute the script with bqrsPath and queryPath as arguments\n  // and capture the output\n  return {\n    success: false,\n    error: 'Custom evaluation scripts are not yet implemented'\n  };\n}", "/**\n * Log directory management utilities for CodeQL query and test runs\n */\n\nimport { mkdirSync, existsSync } from 'fs';\nimport { join, resolve } from 'path';\nimport { randomBytes } from 'crypto';\nimport { getProjectTmpDir } from '../utils/temp-dir';\n\n/**\n * Ensure that a given path is within a base directory.\n * Throws an error if the path is outside the base directory.\n */\nfunction ensurePathWithinBase(baseDir: string, targetPath: string): string {\n  const absBase = resolve(baseDir);\n  const absTarget = resolve(targetPath);\n  if (!absTarget.startsWith(absBase + '/') && absTarget !== absBase) {\n    throw new Error(`Provided log directory is outside the allowed base directory: ${absBase}`);\n  }\n  return absTarget;\n}\n\n/**\n * Get or create a unique log directory for query/test runs\n * \n * @param logDir - Optional custom log directory from parameters\n * @returns Absolute path to the log directory\n */\nexport function getOrCreateLogDirectory(logDir?: string): string {\n  // Use CODEQL_QUERY_LOG_DIR env var or default base\n  const baseLogDir = process.env.CODEQL_QUERY_LOG_DIR || getProjectTmpDir('query-logs');\n\n  // If logDir is explicitly provided, validate it is within baseLogDir\n  if (logDir) {\n    const absLogDir = ensurePathWithinBase(baseLogDir, logDir);\n    if (!existsSync(absLogDir)) {\n      mkdirSync(absLogDir, { recursive: true });\n    }\n    return absLogDir;\n  }\n  \n  // Otherwise, use baseLogDir and create a unique subdirectory\n  \n  // Create base directory if it doesn't exist\n  if (!existsSync(baseLogDir)) {\n    mkdirSync(baseLogDir, { recursive: true });\n  }\n  \n  // Generate unique subdirectory with timestamp and random ID\n  const timestamp = new Date().toISOString().replace(/[:.]/g, '-');\n  const uniqueId = randomBytes(4).toString('hex');\n  const uniqueLogDir = join(baseLogDir, `query-run-${timestamp}-${uniqueId}`);\n  \n  mkdirSync(uniqueLogDir, { recursive: true });\n  \n  return uniqueLogDir;\n}\n", "/**\n * CodeQL BQRS info tool\n */\n\nimport { z } from 'zod';\nimport { CLIToolDefinition, createCodeQLSchemas, createBQRSResultProcessor } from '../../lib/cli-tool-registry';\n\nexport const codeqlBqrsInfoTool: CLIToolDefinition = {\n  name: 'codeql_bqrs_info',\n  description: 'Get metadata and information about BQRS result files',\n  command: 'codeql',\n  subcommand: 'bqrs info',\n  inputSchema: {\n    files: z.array(z.string()).describe('BQRS file(s) to examine'),\n    verbose: createCodeQLSchemas.verbose(),\n    additionalArgs: createCodeQLSchemas.additionalArgs()\n  },\n  examples: [\n    'codeql bqrs info results.bqrs',\n    'codeql bqrs info --verbose results.bqrs'\n  ],\n  resultProcessor: createBQRSResultProcessor()\n};", "/**\n * CodeQL BQRS interpret tool\n */\n\nimport { z } from 'zod';\nimport { CLIToolDefinition, createCodeQLSchemas, createBQRSResultProcessor } from '../../lib/cli-tool-registry';\n\nexport const codeqlBqrsInterpretTool: CLIToolDefinition = {\n  name: 'codeql_bqrs_interpret',\n  description: 'Interpret BQRS result files according to query metadata and generate output in specified formats (CSV, SARIF, graph formats)',\n  command: 'codeql',\n  subcommand: 'bqrs interpret',\n  inputSchema: {\n    file: z.string().describe('The BQRS file to interpret'),\n    format: z.enum(['csv', 'sarif-latest', 'sarifv2.1.0', 'graphtext', 'dgml', 'dot'])\n      .describe('Output format: csv (comma-separated), sarif-latest/sarifv2.1.0 (SARIF), graphtext/dgml/dot (graph formats, only for @kind graph queries)'),\n    output: createCodeQLSchemas.output(),\n    t: z.array(z.string())\n      .describe('Query metadata key=value pairs. At least \"kind\" and \"id\" must be specified (e.g., [\"kind=graph\", \"id=js/print-ast\"])'),\n    'max-paths': z.number().optional()\n      .describe('Maximum number of paths to produce for each alert with paths (default: 4)'),\n    'sarif-add-file-contents': z.boolean().optional()\n      .describe('[SARIF only] Include full file contents for all files referenced in results'),\n    'sarif-add-snippets': z.boolean().optional()\n      .describe('[SARIF only] Include code snippets for each location with context'),\n    'sarif-group-rules-by-pack': z.boolean().optional()\n      .describe('[SARIF only] Place rule objects under their QL pack in tool.extensions property'),\n    'sarif-multicause-markdown': z.boolean().optional()\n      .describe('[SARIF only] Include multi-cause alerts as Markdown-formatted lists'),\n    'sarif-category': z.string().optional()\n      .describe('[SARIF only] Category for this analysis (distinguishes multiple analyses on same code)'),\n    'csv-location-format': z.enum(['uri', 'line-column', 'offset-length']).optional()\n      .describe('[CSV only] Format for locations in CSV output (default: line-column)'),\n    'dot-location-url-format': z.string().optional()\n      .describe('[DOT only] Format string for file location URLs (placeholders: {path}, {start:line}, {start:column}, {end:line}, {end:column}, {offset}, {length})'),\n    threads: z.number().optional()\n      .describe('Number of threads for computing paths (0 = one per core, -N = leave N cores unused)'),\n    'column-kind': z.enum(['utf8', 'utf16', 'utf32', 'bytes']).optional()\n      .describe('[SARIF only] Column kind for interpreting location columns'),\n    'unicode-new-lines': z.boolean().optional()\n      .describe('[SARIF only] Whether unicode newlines (U+2028, U+2029) are considered as newlines'),\n    verbose: createCodeQLSchemas.verbose(),\n    additionalArgs: createCodeQLSchemas.additionalArgs()\n  },\n  examples: [\n    'codeql bqrs interpret --format=sarif-latest --output=results.sarif -t kind=problem -t id=js/sql-injection results.bqrs',\n    'codeql bqrs interpret --format=graphtext --output=ast.txt -t kind=graph -t id=js/print-ast results.bqrs',\n    'codeql bqrs interpret --format=csv --csv-location-format=line-column --output=results.csv -t kind=problem -t id=js/xss results.bqrs',\n    'codeql bqrs interpret --format=dot --output=graph.dot -t kind=graph -t id=java/call-graph results.bqrs',\n    'codeql bqrs interpret --format=sarif-latest --sarif-add-snippets --sarif-category=security --output=results.sarif -t kind=path-problem -t id=go/path-injection results.bqrs'\n  ],\n  resultProcessor: createBQRSResultProcessor()\n};\n", "/**\n * CodeQL database analyze tool\n */\n\nimport { z } from 'zod';\nimport { CLIToolDefinition } from '../../lib/cli-tool-registry';\n\nexport const codeqlDatabaseAnalyzeTool: CLIToolDefinition = {\n  name: 'codeql_database_analyze',\n  description: 'Run queries or query suites against CodeQL databases',\n  command: 'codeql',\n  subcommand: 'database analyze',\n  inputSchema: {\n    database: z.string().describe('Path to the CodeQL database'),\n    queries: z.string().describe('Queries or query suite to run'),\n    output: z.string().optional().describe('Output file path'),\n    format: z.enum(['csv', 'json', 'sarif-latest', 'sarifv2.1.0']).optional()\n      .describe('Output format for results'),\n    'download-location': z.string().optional()\n      .describe('Location to download missing dependencies'),\n    threads: z.number().optional().describe('Number of threads to use'),\n    ram: z.number().optional().describe('Amount of RAM to use (MB)'),\n    timeout: z.number().optional().describe('Timeout in seconds'),\n    verbose: z.boolean().optional().describe('Enable verbose output'),\n    additionalArgs: z.array(z.string()).optional().describe('Additional command-line arguments')\n  },\n  examples: [\n    'codeql database analyze mydb queries.qls --format=sarif-latest --output=results.sarif',\n    'codeql database analyze mydb codeql/java-queries --format=csv'\n  ]\n};", "/**\n * CodeQL database create tool\n */\n\nimport { z } from 'zod';\nimport { CLIToolDefinition, createDatabaseResultProcessor } from '../../lib/cli-tool-registry';\n\nexport const codeqlDatabaseCreateTool: CLIToolDefinition = {\n  name: 'codeql_database_create',\n  description: 'Create a CodeQL database from source code',\n  command: 'codeql',\n  subcommand: 'database create',\n  inputSchema: {\n    database: z.string().describe('Database path/name to create'),\n    language: z.string().optional().describe('Programming language(s) to extract'),\n    'source-root': z.string().optional().describe('Root directory of source code'),\n    command: z.string().optional().describe('Build command for compiled languages'),\n    'build-mode': z.enum(['none', 'autobuild', 'manual']).optional()\n      .describe('Build mode: none (interpreted langs), autobuild, or manual'),\n    threads: z.number().optional().describe('Number of threads to use'),\n    ram: z.number().optional().describe('Amount of RAM to use (MB)'),\n    verbose: z.boolean().optional().describe('Enable verbose output'),\n    overwrite: z.boolean().optional().describe('Overwrite existing database if it exists'),\n    'no-cleanup': z.boolean().optional().describe('Skip database cleanup after finalization'),\n    additionalArgs: z.array(z.string()).optional().describe('Additional command-line arguments')\n  },\n  examples: [\n    'codeql database create --language=java --source-root=/path/to/project mydb',\n    'codeql database create --language=cpp --command=\"make all\" mydb',\n    'codeql database create --language=python,javascript mydb'\n  ],\n  resultProcessor: createDatabaseResultProcessor()\n};", "/**\n * CodeQL find class position tool\n * \n * Inspired by JordyZomer/codeql-mcp repository:\n * - https://github.com/JordyZomer/codeql-mcp/blob/main/server.py\n * - https://github.com/JordyZomer/codeql-mcp/blob/main/codeqlclient.py\n */\n\nimport { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';\nimport { z } from 'zod';\nimport { readFile } from 'fs/promises';\nimport { logger } from '../../utils/logger';\n\nexport interface ClassPosition {\n  start_line: number;\n  start_col: number;\n  end_line: number;\n  end_col: number;\n}\n\n/**\n * Find the 1-based position of a class name identifier in a QL file.\n * Returns: { start_line, start_col, end_line, end_col }\n */\nexport async function findClassPosition(filepath: string, className: string): Promise<ClassPosition> {\n  try {\n    const content = await readFile(filepath, 'utf-8');\n    const lines = content.split('\\n');\n\n    for (let i = 0; i < lines.length; i++) {\n      const line = lines[i];\n      // Match class definition with the specific class name\n      const classNameRegex = new RegExp(`\\\\bclass\\\\s+(${className.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\$&')})\\\\b`);\n      const match = classNameRegex.exec(line);\n      \n      if (match) {\n        const start_line = i + 1; // 1-based line numbering\n        // The class name is in capture group 1\n        const classNameStart = match.index + match[0].indexOf(match[1]);\n        const start_col = classNameStart + 1; // 1-based column numbering\n        const end_col = start_col + className.length - 1; // end_col is inclusive\n        \n        return {\n          start_line,\n          start_col,\n          end_line: start_line,\n          end_col\n        };\n      }\n    }\n\n    throw new Error(`Class name '${className}' not found in file: ${filepath}`);\n  } catch (error) {\n    if (error instanceof Error && error.message.includes('not found in file')) {\n      throw error;\n    }\n    throw new Error(`Failed to read or parse file ${filepath}: ${error instanceof Error ? error.message : 'Unknown error'}`);\n  }\n}\n\n/**\n * Register the find class position tool with the MCP server\n */\nexport function registerFindClassPositionTool(server: McpServer): void {\n  server.tool(\n    'find_class_position',\n    'Finds startline, startcol, endline endcol of a class for quickeval',\n    {\n      file: z.string().describe('Path to the .ql file to search'),\n      name: z.string().describe('Name of the class to find'),\n    },\n    async ({ file, name }) => {\n      try {\n        const position = await findClassPosition(file, name);\n        return {\n          content: [{ type: 'text', text: JSON.stringify(position, null, 2) }],\n        };\n      } catch (error) {\n        logger.error('Error finding class position:', error);\n        return {\n          content: [\n            {\n              type: 'text',\n              text: `Error: ${error instanceof Error ? error.message : 'Unknown error'}`,\n            },\n          ],\n          isError: true,\n        };\n      }\n    }\n  );\n}", "/**\n * CodeQL find predicate position tool\n * \n * Inspired by JordyZomer/codeql-mcp repository:\n * - https://github.com/JordyZomer/codeql-mcp/blob/main/server.py\n * - https://github.com/JordyZomer/codeql-mcp/blob/main/codeqlclient.py\n */\n\nimport { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';\nimport { z } from 'zod';\nimport { readFile } from 'fs/promises';\nimport { logger } from '../../utils/logger';\n\nexport interface PredicatePosition {\n  start_line: number;\n  start_col: number;\n  end_line: number;\n  end_col: number;\n}\n\n/**\n * Find the 1-based position of a predicate name in a QL file.\n * Supports: \n * - predicate name(...)  - predicates with no return type\n * - Type name(...)       - predicates with return type (e.g., string foo())\n * - name(...) (inside class) - member predicates\n * Returns: { start_line, start_col, end_line, end_col }\n */\nexport async function findPredicatePosition(filepath: string, predicateName: string): Promise<PredicatePosition> {\n  try {\n    const content = await readFile(filepath, 'utf-8');\n    const lines = content.split('\\n');\n    const escapedName = predicateName.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\$&');\n\n    for (let i = 0; i < lines.length; i++) {\n      const line = lines[i];\n      \n      // Match predicate definition with the specific predicate name\n      // Pattern 1: predicate name(...)\n      const predicateKeywordRegex = new RegExp(`\\\\bpredicate\\\\s+(${escapedName})\\\\s*\\\\(`);\n      let match = predicateKeywordRegex.exec(line);\n      \n      // Pattern 2: Type name(...) - predicates with return type\n      // Matches: string foo(), int bar(), MyClass baz(), etc.\n      // Must start at beginning of line (with optional whitespace) or after certain keywords\n      if (!match) {\n        const returnTypeRegex = new RegExp(`(?:^|\\\\s)(?:abstract\\\\s+)?(?:cached\\\\s+)?(?:private\\\\s+)?(?:deprecated\\\\s+)?(?:\\\\w+)\\\\s+(${escapedName})\\\\s*\\\\(`);\n        match = returnTypeRegex.exec(line);\n      }\n      \n      if (match) {\n        const start_line = i + 1; // 1-based line numbering\n        // The predicate name is in capture group 1\n        const predicateNameStart = match.index + match[0].indexOf(match[1]);\n        const start_col = predicateNameStart + 1; // 1-based column numbering\n        const end_col = start_col + predicateName.length - 1; // end_col is inclusive\n        \n        return {\n          start_line,\n          start_col,\n          end_line: start_line,\n          end_col\n        };\n      }\n    }\n\n    throw new Error(`Predicate name '${predicateName}' not found in file: ${filepath}`);\n  } catch (error) {\n    if (error instanceof Error && error.message.includes('not found in file')) {\n      throw error;\n    }\n    throw new Error(`Failed to read or parse file ${filepath}: ${error instanceof Error ? error.message : 'Unknown error'}`);\n  }\n}\n\n/**\n * Register the find predicate position tool with the MCP server\n */\nexport function registerFindPredicatePositionTool(server: McpServer): void {\n  server.tool(\n    'find_predicate_position',\n    'Finds startline, startcol, endline endcol of a predicate for quickeval',\n    {\n      file: z.string().describe('Path to the .ql file to search'),\n      name: z.string().describe('Name of the predicate to find'),\n    },\n    async ({ file, name }) => {\n      try {\n        const position = await findPredicatePosition(file, name);\n        return {\n          content: [{ type: 'text', text: JSON.stringify(position, null, 2) }],\n        };\n      } catch (error) {\n        logger.error('Error finding predicate position:', error);\n        return {\n          content: [\n            {\n              type: 'text',\n              text: `Error: ${error instanceof Error ? error.message : 'Unknown error'}`,\n            },\n          ],\n          isError: true,\n        };\n      }\n    }\n  );\n}", "/**\n * CodeQL find query files tool\n * Discovers and tracks all files related to a CodeQL query\n */\n\nimport { z } from 'zod';\nimport { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';\nimport { findCodeQLQueryFiles } from '../../lib/query-file-finder';\nimport { logger } from '../../utils/logger';\n\n/**\n * Register the find_codeql_query_files tool\n */\nexport function registerFindCodeQLQueryFilesTool(server: McpServer): void {\n  server.tool(\n    'find_codeql_query_files',\n    'Find and track all files and directories related to a CodeQL query, including resolved metadata',\n    {\n      queryPath: z.string().describe('Path to the CodeQL query file (.ql)'),\n      language: z.string().optional().describe('Programming language (optional, will be inferred if not provided)'),\n      resolveMetadata: z.boolean().optional().describe('Whether to resolve query metadata (default: true)')\n    },\n    async ({ queryPath, language, resolveMetadata }) => {\n      try {\n        const result = await findCodeQLQueryFiles(\n          queryPath,\n          language,\n          resolveMetadata !== false  // Default to true if not specified\n        );\n\n        return {\n          content: [{ type: 'text', text: JSON.stringify(result, null, 2) }]\n        };\n      } catch (error) {\n        logger.error('Error finding CodeQL query files:', error);\n        return {\n          content: [\n            {\n              type: 'text',\n              text: `Error: ${error instanceof Error ? error.message : 'Unknown error'}`\n            }\n          ],\n          isError: true\n        };\n      }\n    }\n  );\n}\n", "/**\n * CodeQL query file finder utilities\n * Handles discovery and tracking of query-related files and directories\n */\n\nimport * as fs from 'fs';\nimport * as path from 'path';\nimport * as yaml from 'js-yaml';\nimport { QueryFileInfo, QueryFilesResult } from '../types/codeql';\nimport { resolveQueryMetadata } from './metadata-resolver';\n\n// Supported CodeQL languages and their file extensions (alphabetically ordered)\nconst LANGUAGE_EXTENSIONS: Record<string, string> = {\n  actions: 'yml',\n  cpp: 'cpp',\n  csharp: 'cs',\n  go: 'go',\n  java: 'java',\n  javascript: 'js',\n  python: 'py',\n  ruby: 'rb',\n  swift: 'swift',\n  typescript: 'ts'\n};\n\nconst KNOWN_LANGUAGES = Object.keys(LANGUAGE_EXTENSIONS);\n\n/**\n * Get the file extension for test code based on language\n */\nfunction getLanguageExtension(language: string): string {\n  return LANGUAGE_EXTENSIONS[language.toLowerCase()] || 'txt';\n}\n\n/**\n * Infer the language from the query file's directory structure\n */\nfunction inferLanguageFromPath(queryPath: string): string {\n  const parts = queryPath.split(path.sep);\n\n  for (const part of parts) {\n    if (KNOWN_LANGUAGES.includes(part.toLowerCase())) {\n      return part.toLowerCase();\n    }\n  }\n\n  // Default fallback\n  return 'unknown';\n}\n\n/**\n * Find the nearest qlpack.yml or codeql-pack.yml file by walking up the directory tree\n */\nfunction findNearestQlpack(startPath: string): string | null {\n  let currentPath = startPath;\n  const root = path.parse(currentPath).root;\n\n  while (currentPath !== root) {\n    // Check for codeql-pack.yml first (newer format), then qlpack.yml\n    for (const packFile of ['codeql-pack.yml', 'qlpack.yml']) {\n      const packPath = path.join(currentPath, packFile);\n      if (fs.existsSync(packPath) && fs.statSync(packPath).isFile()) {\n        return packPath;\n      }\n    }\n    currentPath = path.dirname(currentPath);\n  }\n\n  return null;\n}\n\n/**\n * Read and parse qlpack.yml file\n */\nfunction readQlpackMetadata(qlpackPath: string): Record<string, unknown> | null {\n  try {\n    const content = fs.readFileSync(qlpackPath, 'utf-8');\n    const parsed = yaml.load(content) as Record<string, unknown>;\n    return parsed;\n  } catch (_error) {\n    // If we can't parse it, return null rather than failing\n    return null;\n  }\n}\n\n/**\n * Check if a file exists and return QueryFileInfo\n */\nfunction checkFile(filePath: string): QueryFileInfo {\n  try {\n    const exists = fs.existsSync(filePath) && fs.statSync(filePath).isFile();\n    return {\n      exists,\n      path: filePath  // Always return path, whether it exists or not\n    };\n  } catch {\n    return {\n      exists: false,\n      path: filePath  // Return the path even on error\n    };\n  }\n}\n\n/**\n * Check if a directory exists and return QueryFileInfo\n */\nfunction checkDirectory(dirPath: string): QueryFileInfo {\n  try {\n    const exists = fs.existsSync(dirPath) && fs.statSync(dirPath).isDirectory();\n    return {\n      exists,\n      path: dirPath  // Always return path, whether it exists or not\n    };\n  } catch {\n    return {\n      exists: false,\n      path: dirPath  // Return the path even on error\n    };\n  }\n}\n\n/**\n * Find all test code files in the test directory\n */\nfunction findTestCodeFiles(testDir: string, queryName: string, language: string): string[] {\n  if (!fs.existsSync(testDir)) {\n    return [];\n  }\n\n  try {\n    const files = fs.readdirSync(testDir);\n    const languageExt = getLanguageExtension(language);\n    const testFiles: string[] = [];\n\n    // Look for files matching the query name or other test code files\n    const allValidExtensions = [...new Set([...Object.values(LANGUAGE_EXTENSIONS), 'yaml'])]; // Include yaml as alias for yml\n\n    for (const file of files) {\n      const filePath = path.join(testDir, file);\n      const stat = fs.statSync(filePath);\n\n      if (stat.isFile()) {\n        // Include the primary test file matching query name\n        if (file === `${queryName}.${languageExt}`) {\n          testFiles.push(filePath);\n        }\n        // Include other code files (but not .qlref, .expected, .actual files)\n        else if (!file.endsWith('.qlref') && !file.endsWith('.expected') && !file.endsWith('.actual')) {\n          const ext = path.extname(file).slice(1);\n          if (ext === languageExt || allValidExtensions.includes(ext)) {\n            testFiles.push(filePath);\n          }\n        }\n      }\n    }\n\n    return testFiles;\n  } catch {\n    return [];\n  }\n}\n\n/**\n * Find CodeQL query files and directories based on a query file path\n * Optionally resolves metadata if the query file exists\n */\nexport async function findCodeQLQueryFiles(\n  queryFilePath: string,\n  language?: string,\n  resolveMetadata: boolean = true\n): Promise<QueryFilesResult> {\n  // Resolve absolute path\n  const absoluteQueryPath = path.resolve(queryFilePath);\n\n  // Extract query name and directory\n  const queryName = path.basename(absoluteQueryPath, '.ql');\n  const queryDir = path.dirname(absoluteQueryPath);\n\n  // Infer language if not provided\n  const detectedLanguage = language || inferLanguageFromPath(absoluteQueryPath);\n\n  // Check query file itself\n  const queryPath = checkFile(absoluteQueryPath);\n  const queryDirectory = checkDirectory(queryDir);\n\n  // Check for documentation files\n  const mdPath = path.join(queryDir, `${queryName}.md`);\n  const qhelpPath = path.join(queryDir, `${queryName}.qhelp`);\n  const mdInfo = checkFile(mdPath);\n  const qhelpInfo = checkFile(qhelpPath);\n\n  const documentationPath: QueryFileInfo = mdInfo.exists ? mdInfo : (qhelpInfo.exists ? qhelpInfo : {\n    exists: false,\n    path: mdPath  // Suggest .md as the default\n  });\n\n  // Check for specification file\n  const qspecPath = path.join(queryDir, `${queryName}.qspec`);\n  const specificationPath = checkFile(qspecPath);\n\n  // Determine test directory\n  // Pattern: if query is in .../src/QueryName/, test should be in .../test/QueryName/\n  let testDir: string;\n  if (queryDir.includes(`${path.sep}src${path.sep}`)) {\n    // Find the last occurrence of /src/ and replace it with /test/\n    const parts = queryDir.split(path.sep);\n    const srcIndex = parts.lastIndexOf('src');\n    if (srcIndex !== -1) {\n      parts[srcIndex] = 'test';\n      testDir = parts.join(path.sep);\n    } else {\n      // Fallback in case split didn't find it\n      testDir = path.join(path.dirname(queryDir), 'test', queryName);\n    }\n  } else {\n    // Fallback: if not in src directory, construct test dir based on parent\n    testDir = path.join(path.dirname(queryDir), 'test', queryName);\n  }\n  const testDirectory = checkDirectory(testDir);\n\n  // Check for .qlref file\n  const qlrefPath = path.join(testDir, `${queryName}.qlref`);\n  const qlrefInfo = checkFile(qlrefPath);\n\n  // Find test code files\n  const testCodePaths = findTestCodeFiles(testDir, queryName, detectedLanguage);\n\n  // Check for expected results\n  const expectedPath = path.join(testDir, `${queryName}.expected`);\n  const expectedResultsPath = checkFile(expectedPath);\n\n  // Check for actual results\n  const actualPath = path.join(testDir, `${queryName}.actual`);\n  const actualResultsPath = checkFile(actualPath);\n\n  // Check for test database\n  const testprojPath = path.join(testDir, `${queryName}.testproj`);\n  const testDatabasePath = checkDirectory(testprojPath);\n\n  // Determine missing files\n  const missingFiles: string[] = [];\n  if (!queryPath.exists) missingFiles.push(queryPath.path);\n  if (!documentationPath.exists) missingFiles.push(documentationPath.path);\n  if (!specificationPath.exists) missingFiles.push(specificationPath.path);\n  if (!testDirectory.exists) missingFiles.push(testDirectory.path);\n  if (!qlrefInfo.exists) missingFiles.push(qlrefInfo.path);\n  if (testCodePaths.length === 0) missingFiles.push(path.join(testDir, `${queryName}.${getLanguageExtension(detectedLanguage)}`));\n  if (!expectedResultsPath.exists) missingFiles.push(expectedResultsPath.path);\n\n  const allFilesExist = missingFiles.length === 0;\n\n  // Resolve metadata if requested and query file exists\n  let metadata: { [key: string]: string | string[] } | undefined;\n  if (resolveMetadata && queryPath.exists) {\n    const resolvedMetadata = await resolveQueryMetadata(absoluteQueryPath);\n    if (resolvedMetadata) {\n      metadata = resolvedMetadata;\n    }\n  }\n\n  // Resolve pack metadata and directories by finding the nearest qlpack.yml files\n  let packMetadata: Record<string, unknown> | undefined;\n  const queryPackPath = findNearestQlpack(queryDir);\n  const queryPackDir = queryPackPath ? path.dirname(queryPackPath) : queryDir;\n  if (queryPackPath) {\n    const parsed = readQlpackMetadata(queryPackPath);\n    if (parsed) {\n      packMetadata = parsed;\n    }\n  }\n\n  // Find pack directory for test files\n  const testPackPath = findNearestQlpack(testDir);\n  const testPackDir = testPackPath ? path.dirname(testPackPath) : testDir;\n\n  return {\n    queryName,\n    language: detectedLanguage,\n\n    allFilesExist,\n\n    files: {\n      query: {\n        dir: queryDirectory.path,\n        doc: path.basename(documentationPath.path),\n        packDir: queryPackDir,\n        query: path.basename(queryPath.path),\n        spec: path.basename(specificationPath.path)\n      },\n      test: {\n        actual: path.basename(actualResultsPath.path),\n        dir: testDirectory.path,\n        expected: path.basename(expectedResultsPath.path),\n        packDir: testPackDir,\n        qlref: path.basename(qlrefInfo.path),\n        testCode: testCodePaths,\n        testDatabaseDir: testDatabasePath.path\n      }\n    },\n\n    metadata,\n\n    missingFiles,\n\n    packMetadata,\n\n    status: {\n      actualResultsExist: actualResultsPath.exists,\n      documentationExists: documentationPath.exists,\n      expectedResultsExist: expectedResultsPath.exists,\n      hasTestCode: testCodePaths.length > 0,\n      qlrefExists: qlrefInfo.exists,\n      queryExists: queryPath.exists,\n      specificationExists: specificationPath.exists,\n      testDatabaseDirExists: testDatabasePath.exists,\n      testDirectoryExists: testDirectory.exists\n    }\n  };\n}\n", "\n/*! js-yaml 4.1.1 https://github.com/nodeca/js-yaml @license MIT */\nfunction isNothing(subject) {\n  return (typeof subject === 'undefined') || (subject === null);\n}\n\n\nfunction isObject(subject) {\n  return (typeof subject === 'object') && (subject !== null);\n}\n\n\nfunction toArray(sequence) {\n  if (Array.isArray(sequence)) return sequence;\n  else if (isNothing(sequence)) return [];\n\n  return [ sequence ];\n}\n\n\nfunction extend(target, source) {\n  var index, length, key, sourceKeys;\n\n  if (source) {\n    sourceKeys = Object.keys(source);\n\n    for (index = 0, length = sourceKeys.length; index < length; index += 1) {\n      key = sourceKeys[index];\n      target[key] = source[key];\n    }\n  }\n\n  return target;\n}\n\n\nfunction repeat(string, count) {\n  var result = '', cycle;\n\n  for (cycle = 0; cycle < count; cycle += 1) {\n    result += string;\n  }\n\n  return result;\n}\n\n\nfunction isNegativeZero(number) {\n  return (number === 0) && (Number.NEGATIVE_INFINITY === 1 / number);\n}\n\n\nvar isNothing_1      = isNothing;\nvar isObject_1       = isObject;\nvar toArray_1        = toArray;\nvar repeat_1         = repeat;\nvar isNegativeZero_1 = isNegativeZero;\nvar extend_1         = extend;\n\nvar common = {\n\tisNothing: isNothing_1,\n\tisObject: isObject_1,\n\ttoArray: toArray_1,\n\trepeat: repeat_1,\n\tisNegativeZero: isNegativeZero_1,\n\textend: extend_1\n};\n\n// YAML error class. http://stackoverflow.com/questions/8458984\n\n\nfunction formatError(exception, compact) {\n  var where = '', message = exception.reason || '(unknown reason)';\n\n  if (!exception.mark) return message;\n\n  if (exception.mark.name) {\n    where += 'in \"' + exception.mark.name + '\" ';\n  }\n\n  where += '(' + (exception.mark.line + 1) + ':' + (exception.mark.column + 1) + ')';\n\n  if (!compact && exception.mark.snippet) {\n    where += '\\n\\n' + exception.mark.snippet;\n  }\n\n  return message + ' ' + where;\n}\n\n\nfunction YAMLException$1(reason, mark) {\n  // Super constructor\n  Error.call(this);\n\n  this.name = 'YAMLException';\n  this.reason = reason;\n  this.mark = mark;\n  this.message = formatError(this, false);\n\n  // Include stack trace in error object\n  if (Error.captureStackTrace) {\n    // Chrome and NodeJS\n    Error.captureStackTrace(this, this.constructor);\n  } else {\n    // FF, IE 10+ and Safari 6+. Fallback for others\n    this.stack = (new Error()).stack || '';\n  }\n}\n\n\n// Inherit from Error\nYAMLException$1.prototype = Object.create(Error.prototype);\nYAMLException$1.prototype.constructor = YAMLException$1;\n\n\nYAMLException$1.prototype.toString = function toString(compact) {\n  return this.name + ': ' + formatError(this, compact);\n};\n\n\nvar exception = YAMLException$1;\n\n// get snippet for a single line, respecting maxLength\nfunction getLine(buffer, lineStart, lineEnd, position, maxLineLength) {\n  var head = '';\n  var tail = '';\n  var maxHalfLength = Math.floor(maxLineLength / 2) - 1;\n\n  if (position - lineStart > maxHalfLength) {\n    head = ' ... ';\n    lineStart = position - maxHalfLength + head.length;\n  }\n\n  if (lineEnd - position > maxHalfLength) {\n    tail = ' ...';\n    lineEnd = position + maxHalfLength - tail.length;\n  }\n\n  return {\n    str: head + buffer.slice(lineStart, lineEnd).replace(/\\t/g, '\u2192') + tail,\n    pos: position - lineStart + head.length // relative position\n  };\n}\n\n\nfunction padStart(string, max) {\n  return common.repeat(' ', max - string.length) + string;\n}\n\n\nfunction makeSnippet(mark, options) {\n  options = Object.create(options || null);\n\n  if (!mark.buffer) return null;\n\n  if (!options.maxLength) options.maxLength = 79;\n  if (typeof options.indent      !== 'number') options.indent      = 1;\n  if (typeof options.linesBefore !== 'number') options.linesBefore = 3;\n  if (typeof options.linesAfter  !== 'number') options.linesAfter  = 2;\n\n  var re = /\\r?\\n|\\r|\\0/g;\n  var lineStarts = [ 0 ];\n  var lineEnds = [];\n  var match;\n  var foundLineNo = -1;\n\n  while ((match = re.exec(mark.buffer))) {\n    lineEnds.push(match.index);\n    lineStarts.push(match.index + match[0].length);\n\n    if (mark.position <= match.index && foundLineNo < 0) {\n      foundLineNo = lineStarts.length - 2;\n    }\n  }\n\n  if (foundLineNo < 0) foundLineNo = lineStarts.length - 1;\n\n  var result = '', i, line;\n  var lineNoLength = Math.min(mark.line + options.linesAfter, lineEnds.length).toString().length;\n  var maxLineLength = options.maxLength - (options.indent + lineNoLength + 3);\n\n  for (i = 1; i <= options.linesBefore; i++) {\n    if (foundLineNo - i < 0) break;\n    line = getLine(\n      mark.buffer,\n      lineStarts[foundLineNo - i],\n      lineEnds[foundLineNo - i],\n      mark.position - (lineStarts[foundLineNo] - lineStarts[foundLineNo - i]),\n      maxLineLength\n    );\n    result = common.repeat(' ', options.indent) + padStart((mark.line - i + 1).toString(), lineNoLength) +\n      ' | ' + line.str + '\\n' + result;\n  }\n\n  line = getLine(mark.buffer, lineStarts[foundLineNo], lineEnds[foundLineNo], mark.position, maxLineLength);\n  result += common.repeat(' ', options.indent) + padStart((mark.line + 1).toString(), lineNoLength) +\n    ' | ' + line.str + '\\n';\n  result += common.repeat('-', options.indent + lineNoLength + 3 + line.pos) + '^' + '\\n';\n\n  for (i = 1; i <= options.linesAfter; i++) {\n    if (foundLineNo + i >= lineEnds.length) break;\n    line = getLine(\n      mark.buffer,\n      lineStarts[foundLineNo + i],\n      lineEnds[foundLineNo + i],\n      mark.position - (lineStarts[foundLineNo] - lineStarts[foundLineNo + i]),\n      maxLineLength\n    );\n    result += common.repeat(' ', options.indent) + padStart((mark.line + i + 1).toString(), lineNoLength) +\n      ' | ' + line.str + '\\n';\n  }\n\n  return result.replace(/\\n$/, '');\n}\n\n\nvar snippet = makeSnippet;\n\nvar TYPE_CONSTRUCTOR_OPTIONS = [\n  'kind',\n  'multi',\n  'resolve',\n  'construct',\n  'instanceOf',\n  'predicate',\n  'represent',\n  'representName',\n  'defaultStyle',\n  'styleAliases'\n];\n\nvar YAML_NODE_KINDS = [\n  'scalar',\n  'sequence',\n  'mapping'\n];\n\nfunction compileStyleAliases(map) {\n  var result = {};\n\n  if (map !== null) {\n    Object.keys(map).forEach(function (style) {\n      map[style].forEach(function (alias) {\n        result[String(alias)] = style;\n      });\n    });\n  }\n\n  return result;\n}\n\nfunction Type$1(tag, options) {\n  options = options || {};\n\n  Object.keys(options).forEach(function (name) {\n    if (TYPE_CONSTRUCTOR_OPTIONS.indexOf(name) === -1) {\n      throw new exception('Unknown option \"' + name + '\" is met in definition of \"' + tag + '\" YAML type.');\n    }\n  });\n\n  // TODO: Add tag format check.\n  this.options       = options; // keep original options in case user wants to extend this type later\n  this.tag           = tag;\n  this.kind          = options['kind']          || null;\n  this.resolve       = options['resolve']       || function () { return true; };\n  this.construct     = options['construct']     || function (data) { return data; };\n  this.instanceOf    = options['instanceOf']    || null;\n  this.predicate     = options['predicate']     || null;\n  this.represent     = options['represent']     || null;\n  this.representName = options['representName'] || null;\n  this.defaultStyle  = options['defaultStyle']  || null;\n  this.multi         = options['multi']         || false;\n  this.styleAliases  = compileStyleAliases(options['styleAliases'] || null);\n\n  if (YAML_NODE_KINDS.indexOf(this.kind) === -1) {\n    throw new exception('Unknown kind \"' + this.kind + '\" is specified for \"' + tag + '\" YAML type.');\n  }\n}\n\nvar type = Type$1;\n\n/*eslint-disable max-len*/\n\n\n\n\n\nfunction compileList(schema, name) {\n  var result = [];\n\n  schema[name].forEach(function (currentType) {\n    var newIndex = result.length;\n\n    result.forEach(function (previousType, previousIndex) {\n      if (previousType.tag === currentType.tag &&\n          previousType.kind === currentType.kind &&\n          previousType.multi === currentType.multi) {\n\n        newIndex = previousIndex;\n      }\n    });\n\n    result[newIndex] = currentType;\n  });\n\n  return result;\n}\n\n\nfunction compileMap(/* lists... */) {\n  var result = {\n        scalar: {},\n        sequence: {},\n        mapping: {},\n        fallback: {},\n        multi: {\n          scalar: [],\n          sequence: [],\n          mapping: [],\n          fallback: []\n        }\n      }, index, length;\n\n  function collectType(type) {\n    if (type.multi) {\n      result.multi[type.kind].push(type);\n      result.multi['fallback'].push(type);\n    } else {\n      result[type.kind][type.tag] = result['fallback'][type.tag] = type;\n    }\n  }\n\n  for (index = 0, length = arguments.length; index < length; index += 1) {\n    arguments[index].forEach(collectType);\n  }\n  return result;\n}\n\n\nfunction Schema$1(definition) {\n  return this.extend(definition);\n}\n\n\nSchema$1.prototype.extend = function extend(definition) {\n  var implicit = [];\n  var explicit = [];\n\n  if (definition instanceof type) {\n    // Schema.extend(type)\n    explicit.push(definition);\n\n  } else if (Array.isArray(definition)) {\n    // Schema.extend([ type1, type2, ... ])\n    explicit = explicit.concat(definition);\n\n  } else if (definition && (Array.isArray(definition.implicit) || Array.isArray(definition.explicit))) {\n    // Schema.extend({ explicit: [ type1, type2, ... ], implicit: [ type1, type2, ... ] })\n    if (definition.implicit) implicit = implicit.concat(definition.implicit);\n    if (definition.explicit) explicit = explicit.concat(definition.explicit);\n\n  } else {\n    throw new exception('Schema.extend argument should be a Type, [ Type ], ' +\n      'or a schema definition ({ implicit: [...], explicit: [...] })');\n  }\n\n  implicit.forEach(function (type$1) {\n    if (!(type$1 instanceof type)) {\n      throw new exception('Specified list of YAML types (or a single Type object) contains a non-Type object.');\n    }\n\n    if (type$1.loadKind && type$1.loadKind !== 'scalar') {\n      throw new exception('There is a non-scalar type in the implicit list of a schema. Implicit resolving of such types is not supported.');\n    }\n\n    if (type$1.multi) {\n      throw new exception('There is a multi type in the implicit list of a schema. Multi tags can only be listed as explicit.');\n    }\n  });\n\n  explicit.forEach(function (type$1) {\n    if (!(type$1 instanceof type)) {\n      throw new exception('Specified list of YAML types (or a single Type object) contains a non-Type object.');\n    }\n  });\n\n  var result = Object.create(Schema$1.prototype);\n\n  result.implicit = (this.implicit || []).concat(implicit);\n  result.explicit = (this.explicit || []).concat(explicit);\n\n  result.compiledImplicit = compileList(result, 'implicit');\n  result.compiledExplicit = compileList(result, 'explicit');\n  result.compiledTypeMap  = compileMap(result.compiledImplicit, result.compiledExplicit);\n\n  return result;\n};\n\n\nvar schema = Schema$1;\n\nvar str = new type('tag:yaml.org,2002:str', {\n  kind: 'scalar',\n  construct: function (data) { return data !== null ? data : ''; }\n});\n\nvar seq = new type('tag:yaml.org,2002:seq', {\n  kind: 'sequence',\n  construct: function (data) { return data !== null ? data : []; }\n});\n\nvar map = new type('tag:yaml.org,2002:map', {\n  kind: 'mapping',\n  construct: function (data) { return data !== null ? data : {}; }\n});\n\nvar failsafe = new schema({\n  explicit: [\n    str,\n    seq,\n    map\n  ]\n});\n\nfunction resolveYamlNull(data) {\n  if (data === null) return true;\n\n  var max = data.length;\n\n  return (max === 1 && data === '~') ||\n         (max === 4 && (data === 'null' || data === 'Null' || data === 'NULL'));\n}\n\nfunction constructYamlNull() {\n  return null;\n}\n\nfunction isNull(object) {\n  return object === null;\n}\n\nvar _null = new type('tag:yaml.org,2002:null', {\n  kind: 'scalar',\n  resolve: resolveYamlNull,\n  construct: constructYamlNull,\n  predicate: isNull,\n  represent: {\n    canonical: function () { return '~';    },\n    lowercase: function () { return 'null'; },\n    uppercase: function () { return 'NULL'; },\n    camelcase: function () { return 'Null'; },\n    empty:     function () { return '';     }\n  },\n  defaultStyle: 'lowercase'\n});\n\nfunction resolveYamlBoolean(data) {\n  if (data === null) return false;\n\n  var max = data.length;\n\n  return (max === 4 && (data === 'true' || data === 'True' || data === 'TRUE')) ||\n         (max === 5 && (data === 'false' || data === 'False' || data === 'FALSE'));\n}\n\nfunction constructYamlBoolean(data) {\n  return data === 'true' ||\n         data === 'True' ||\n         data === 'TRUE';\n}\n\nfunction isBoolean(object) {\n  return Object.prototype.toString.call(object) === '[object Boolean]';\n}\n\nvar bool = new type('tag:yaml.org,2002:bool', {\n  kind: 'scalar',\n  resolve: resolveYamlBoolean,\n  construct: constructYamlBoolean,\n  predicate: isBoolean,\n  represent: {\n    lowercase: function (object) { return object ? 'true' : 'false'; },\n    uppercase: function (object) { return object ? 'TRUE' : 'FALSE'; },\n    camelcase: function (object) { return object ? 'True' : 'False'; }\n  },\n  defaultStyle: 'lowercase'\n});\n\nfunction isHexCode(c) {\n  return ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) ||\n         ((0x41/* A */ <= c) && (c <= 0x46/* F */)) ||\n         ((0x61/* a */ <= c) && (c <= 0x66/* f */));\n}\n\nfunction isOctCode(c) {\n  return ((0x30/* 0 */ <= c) && (c <= 0x37/* 7 */));\n}\n\nfunction isDecCode(c) {\n  return ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */));\n}\n\nfunction resolveYamlInteger(data) {\n  if (data === null) return false;\n\n  var max = data.length,\n      index = 0,\n      hasDigits = false,\n      ch;\n\n  if (!max) return false;\n\n  ch = data[index];\n\n  // sign\n  if (ch === '-' || ch === '+') {\n    ch = data[++index];\n  }\n\n  if (ch === '0') {\n    // 0\n    if (index + 1 === max) return true;\n    ch = data[++index];\n\n    // base 2, base 8, base 16\n\n    if (ch === 'b') {\n      // base 2\n      index++;\n\n      for (; index < max; index++) {\n        ch = data[index];\n        if (ch === '_') continue;\n        if (ch !== '0' && ch !== '1') return false;\n        hasDigits = true;\n      }\n      return hasDigits && ch !== '_';\n    }\n\n\n    if (ch === 'x') {\n      // base 16\n      index++;\n\n      for (; index < max; index++) {\n        ch = data[index];\n        if (ch === '_') continue;\n        if (!isHexCode(data.charCodeAt(index))) return false;\n        hasDigits = true;\n      }\n      return hasDigits && ch !== '_';\n    }\n\n\n    if (ch === 'o') {\n      // base 8\n      index++;\n\n      for (; index < max; index++) {\n        ch = data[index];\n        if (ch === '_') continue;\n        if (!isOctCode(data.charCodeAt(index))) return false;\n        hasDigits = true;\n      }\n      return hasDigits && ch !== '_';\n    }\n  }\n\n  // base 10 (except 0)\n\n  // value should not start with `_`;\n  if (ch === '_') return false;\n\n  for (; index < max; index++) {\n    ch = data[index];\n    if (ch === '_') continue;\n    if (!isDecCode(data.charCodeAt(index))) {\n      return false;\n    }\n    hasDigits = true;\n  }\n\n  // Should have digits and should not end with `_`\n  if (!hasDigits || ch === '_') return false;\n\n  return true;\n}\n\nfunction constructYamlInteger(data) {\n  var value = data, sign = 1, ch;\n\n  if (value.indexOf('_') !== -1) {\n    value = value.replace(/_/g, '');\n  }\n\n  ch = value[0];\n\n  if (ch === '-' || ch === '+') {\n    if (ch === '-') sign = -1;\n    value = value.slice(1);\n    ch = value[0];\n  }\n\n  if (value === '0') return 0;\n\n  if (ch === '0') {\n    if (value[1] === 'b') return sign * parseInt(value.slice(2), 2);\n    if (value[1] === 'x') return sign * parseInt(value.slice(2), 16);\n    if (value[1] === 'o') return sign * parseInt(value.slice(2), 8);\n  }\n\n  return sign * parseInt(value, 10);\n}\n\nfunction isInteger(object) {\n  return (Object.prototype.toString.call(object)) === '[object Number]' &&\n         (object % 1 === 0 && !common.isNegativeZero(object));\n}\n\nvar int = new type('tag:yaml.org,2002:int', {\n  kind: 'scalar',\n  resolve: resolveYamlInteger,\n  construct: constructYamlInteger,\n  predicate: isInteger,\n  represent: {\n    binary:      function (obj) { return obj >= 0 ? '0b' + obj.toString(2) : '-0b' + obj.toString(2).slice(1); },\n    octal:       function (obj) { return obj >= 0 ? '0o'  + obj.toString(8) : '-0o'  + obj.toString(8).slice(1); },\n    decimal:     function (obj) { return obj.toString(10); },\n    /* eslint-disable max-len */\n    hexadecimal: function (obj) { return obj >= 0 ? '0x' + obj.toString(16).toUpperCase() :  '-0x' + obj.toString(16).toUpperCase().slice(1); }\n  },\n  defaultStyle: 'decimal',\n  styleAliases: {\n    binary:      [ 2,  'bin' ],\n    octal:       [ 8,  'oct' ],\n    decimal:     [ 10, 'dec' ],\n    hexadecimal: [ 16, 'hex' ]\n  }\n});\n\nvar YAML_FLOAT_PATTERN = new RegExp(\n  // 2.5e4, 2.5 and integers\n  '^(?:[-+]?(?:[0-9][0-9_]*)(?:\\\\.[0-9_]*)?(?:[eE][-+]?[0-9]+)?' +\n  // .2e4, .2\n  // special case, seems not from spec\n  '|\\\\.[0-9_]+(?:[eE][-+]?[0-9]+)?' +\n  // .inf\n  '|[-+]?\\\\.(?:inf|Inf|INF)' +\n  // .nan\n  '|\\\\.(?:nan|NaN|NAN))$');\n\nfunction resolveYamlFloat(data) {\n  if (data === null) return false;\n\n  if (!YAML_FLOAT_PATTERN.test(data) ||\n      // Quick hack to not allow integers end with `_`\n      // Probably should update regexp & check speed\n      data[data.length - 1] === '_') {\n    return false;\n  }\n\n  return true;\n}\n\nfunction constructYamlFloat(data) {\n  var value, sign;\n\n  value  = data.replace(/_/g, '').toLowerCase();\n  sign   = value[0] === '-' ? -1 : 1;\n\n  if ('+-'.indexOf(value[0]) >= 0) {\n    value = value.slice(1);\n  }\n\n  if (value === '.inf') {\n    return (sign === 1) ? Number.POSITIVE_INFINITY : Number.NEGATIVE_INFINITY;\n\n  } else if (value === '.nan') {\n    return NaN;\n  }\n  return sign * parseFloat(value, 10);\n}\n\n\nvar SCIENTIFIC_WITHOUT_DOT = /^[-+]?[0-9]+e/;\n\nfunction representYamlFloat(object, style) {\n  var res;\n\n  if (isNaN(object)) {\n    switch (style) {\n      case 'lowercase': return '.nan';\n      case 'uppercase': return '.NAN';\n      case 'camelcase': return '.NaN';\n    }\n  } else if (Number.POSITIVE_INFINITY === object) {\n    switch (style) {\n      case 'lowercase': return '.inf';\n      case 'uppercase': return '.INF';\n      case 'camelcase': return '.Inf';\n    }\n  } else if (Number.NEGATIVE_INFINITY === object) {\n    switch (style) {\n      case 'lowercase': return '-.inf';\n      case 'uppercase': return '-.INF';\n      case 'camelcase': return '-.Inf';\n    }\n  } else if (common.isNegativeZero(object)) {\n    return '-0.0';\n  }\n\n  res = object.toString(10);\n\n  // JS stringifier can build scientific format without dots: 5e-100,\n  // while YAML requres dot: 5.e-100. Fix it with simple hack\n\n  return SCIENTIFIC_WITHOUT_DOT.test(res) ? res.replace('e', '.e') : res;\n}\n\nfunction isFloat(object) {\n  return (Object.prototype.toString.call(object) === '[object Number]') &&\n         (object % 1 !== 0 || common.isNegativeZero(object));\n}\n\nvar float = new type('tag:yaml.org,2002:float', {\n  kind: 'scalar',\n  resolve: resolveYamlFloat,\n  construct: constructYamlFloat,\n  predicate: isFloat,\n  represent: representYamlFloat,\n  defaultStyle: 'lowercase'\n});\n\nvar json = failsafe.extend({\n  implicit: [\n    _null,\n    bool,\n    int,\n    float\n  ]\n});\n\nvar core = json;\n\nvar YAML_DATE_REGEXP = new RegExp(\n  '^([0-9][0-9][0-9][0-9])'          + // [1] year\n  '-([0-9][0-9])'                    + // [2] month\n  '-([0-9][0-9])$');                   // [3] day\n\nvar YAML_TIMESTAMP_REGEXP = new RegExp(\n  '^([0-9][0-9][0-9][0-9])'          + // [1] year\n  '-([0-9][0-9]?)'                   + // [2] month\n  '-([0-9][0-9]?)'                   + // [3] day\n  '(?:[Tt]|[ \\\\t]+)'                 + // ...\n  '([0-9][0-9]?)'                    + // [4] hour\n  ':([0-9][0-9])'                    + // [5] minute\n  ':([0-9][0-9])'                    + // [6] second\n  '(?:\\\\.([0-9]*))?'                 + // [7] fraction\n  '(?:[ \\\\t]*(Z|([-+])([0-9][0-9]?)' + // [8] tz [9] tz_sign [10] tz_hour\n  '(?::([0-9][0-9]))?))?$');           // [11] tz_minute\n\nfunction resolveYamlTimestamp(data) {\n  if (data === null) return false;\n  if (YAML_DATE_REGEXP.exec(data) !== null) return true;\n  if (YAML_TIMESTAMP_REGEXP.exec(data) !== null) return true;\n  return false;\n}\n\nfunction constructYamlTimestamp(data) {\n  var match, year, month, day, hour, minute, second, fraction = 0,\n      delta = null, tz_hour, tz_minute, date;\n\n  match = YAML_DATE_REGEXP.exec(data);\n  if (match === null) match = YAML_TIMESTAMP_REGEXP.exec(data);\n\n  if (match === null) throw new Error('Date resolve error');\n\n  // match: [1] year [2] month [3] day\n\n  year = +(match[1]);\n  month = +(match[2]) - 1; // JS month starts with 0\n  day = +(match[3]);\n\n  if (!match[4]) { // no hour\n    return new Date(Date.UTC(year, month, day));\n  }\n\n  // match: [4] hour [5] minute [6] second [7] fraction\n\n  hour = +(match[4]);\n  minute = +(match[5]);\n  second = +(match[6]);\n\n  if (match[7]) {\n    fraction = match[7].slice(0, 3);\n    while (fraction.length < 3) { // milli-seconds\n      fraction += '0';\n    }\n    fraction = +fraction;\n  }\n\n  // match: [8] tz [9] tz_sign [10] tz_hour [11] tz_minute\n\n  if (match[9]) {\n    tz_hour = +(match[10]);\n    tz_minute = +(match[11] || 0);\n    delta = (tz_hour * 60 + tz_minute) * 60000; // delta in mili-seconds\n    if (match[9] === '-') delta = -delta;\n  }\n\n  date = new Date(Date.UTC(year, month, day, hour, minute, second, fraction));\n\n  if (delta) date.setTime(date.getTime() - delta);\n\n  return date;\n}\n\nfunction representYamlTimestamp(object /*, style*/) {\n  return object.toISOString();\n}\n\nvar timestamp = new type('tag:yaml.org,2002:timestamp', {\n  kind: 'scalar',\n  resolve: resolveYamlTimestamp,\n  construct: constructYamlTimestamp,\n  instanceOf: Date,\n  represent: representYamlTimestamp\n});\n\nfunction resolveYamlMerge(data) {\n  return data === '<<' || data === null;\n}\n\nvar merge = new type('tag:yaml.org,2002:merge', {\n  kind: 'scalar',\n  resolve: resolveYamlMerge\n});\n\n/*eslint-disable no-bitwise*/\n\n\n\n\n\n// [ 64, 65, 66 ] -> [ padding, CR, LF ]\nvar BASE64_MAP = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=\\n\\r';\n\n\nfunction resolveYamlBinary(data) {\n  if (data === null) return false;\n\n  var code, idx, bitlen = 0, max = data.length, map = BASE64_MAP;\n\n  // Convert one by one.\n  for (idx = 0; idx < max; idx++) {\n    code = map.indexOf(data.charAt(idx));\n\n    // Skip CR/LF\n    if (code > 64) continue;\n\n    // Fail on illegal characters\n    if (code < 0) return false;\n\n    bitlen += 6;\n  }\n\n  // If there are any bits left, source was corrupted\n  return (bitlen % 8) === 0;\n}\n\nfunction constructYamlBinary(data) {\n  var idx, tailbits,\n      input = data.replace(/[\\r\\n=]/g, ''), // remove CR/LF & padding to simplify scan\n      max = input.length,\n      map = BASE64_MAP,\n      bits = 0,\n      result = [];\n\n  // Collect by 6*4 bits (3 bytes)\n\n  for (idx = 0; idx < max; idx++) {\n    if ((idx % 4 === 0) && idx) {\n      result.push((bits >> 16) & 0xFF);\n      result.push((bits >> 8) & 0xFF);\n      result.push(bits & 0xFF);\n    }\n\n    bits = (bits << 6) | map.indexOf(input.charAt(idx));\n  }\n\n  // Dump tail\n\n  tailbits = (max % 4) * 6;\n\n  if (tailbits === 0) {\n    result.push((bits >> 16) & 0xFF);\n    result.push((bits >> 8) & 0xFF);\n    result.push(bits & 0xFF);\n  } else if (tailbits === 18) {\n    result.push((bits >> 10) & 0xFF);\n    result.push((bits >> 2) & 0xFF);\n  } else if (tailbits === 12) {\n    result.push((bits >> 4) & 0xFF);\n  }\n\n  return new Uint8Array(result);\n}\n\nfunction representYamlBinary(object /*, style*/) {\n  var result = '', bits = 0, idx, tail,\n      max = object.length,\n      map = BASE64_MAP;\n\n  // Convert every three bytes to 4 ASCII characters.\n\n  for (idx = 0; idx < max; idx++) {\n    if ((idx % 3 === 0) && idx) {\n      result += map[(bits >> 18) & 0x3F];\n      result += map[(bits >> 12) & 0x3F];\n      result += map[(bits >> 6) & 0x3F];\n      result += map[bits & 0x3F];\n    }\n\n    bits = (bits << 8) + object[idx];\n  }\n\n  // Dump tail\n\n  tail = max % 3;\n\n  if (tail === 0) {\n    result += map[(bits >> 18) & 0x3F];\n    result += map[(bits >> 12) & 0x3F];\n    result += map[(bits >> 6) & 0x3F];\n    result += map[bits & 0x3F];\n  } else if (tail === 2) {\n    result += map[(bits >> 10) & 0x3F];\n    result += map[(bits >> 4) & 0x3F];\n    result += map[(bits << 2) & 0x3F];\n    result += map[64];\n  } else if (tail === 1) {\n    result += map[(bits >> 2) & 0x3F];\n    result += map[(bits << 4) & 0x3F];\n    result += map[64];\n    result += map[64];\n  }\n\n  return result;\n}\n\nfunction isBinary(obj) {\n  return Object.prototype.toString.call(obj) ===  '[object Uint8Array]';\n}\n\nvar binary = new type('tag:yaml.org,2002:binary', {\n  kind: 'scalar',\n  resolve: resolveYamlBinary,\n  construct: constructYamlBinary,\n  predicate: isBinary,\n  represent: representYamlBinary\n});\n\nvar _hasOwnProperty$3 = Object.prototype.hasOwnProperty;\nvar _toString$2       = Object.prototype.toString;\n\nfunction resolveYamlOmap(data) {\n  if (data === null) return true;\n\n  var objectKeys = [], index, length, pair, pairKey, pairHasKey,\n      object = data;\n\n  for (index = 0, length = object.length; index < length; index += 1) {\n    pair = object[index];\n    pairHasKey = false;\n\n    if (_toString$2.call(pair) !== '[object Object]') return false;\n\n    for (pairKey in pair) {\n      if (_hasOwnProperty$3.call(pair, pairKey)) {\n        if (!pairHasKey) pairHasKey = true;\n        else return false;\n      }\n    }\n\n    if (!pairHasKey) return false;\n\n    if (objectKeys.indexOf(pairKey) === -1) objectKeys.push(pairKey);\n    else return false;\n  }\n\n  return true;\n}\n\nfunction constructYamlOmap(data) {\n  return data !== null ? data : [];\n}\n\nvar omap = new type('tag:yaml.org,2002:omap', {\n  kind: 'sequence',\n  resolve: resolveYamlOmap,\n  construct: constructYamlOmap\n});\n\nvar _toString$1 = Object.prototype.toString;\n\nfunction resolveYamlPairs(data) {\n  if (data === null) return true;\n\n  var index, length, pair, keys, result,\n      object = data;\n\n  result = new Array(object.length);\n\n  for (index = 0, length = object.length; index < length; index += 1) {\n    pair = object[index];\n\n    if (_toString$1.call(pair) !== '[object Object]') return false;\n\n    keys = Object.keys(pair);\n\n    if (keys.length !== 1) return false;\n\n    result[index] = [ keys[0], pair[keys[0]] ];\n  }\n\n  return true;\n}\n\nfunction constructYamlPairs(data) {\n  if (data === null) return [];\n\n  var index, length, pair, keys, result,\n      object = data;\n\n  result = new Array(object.length);\n\n  for (index = 0, length = object.length; index < length; index += 1) {\n    pair = object[index];\n\n    keys = Object.keys(pair);\n\n    result[index] = [ keys[0], pair[keys[0]] ];\n  }\n\n  return result;\n}\n\nvar pairs = new type('tag:yaml.org,2002:pairs', {\n  kind: 'sequence',\n  resolve: resolveYamlPairs,\n  construct: constructYamlPairs\n});\n\nvar _hasOwnProperty$2 = Object.prototype.hasOwnProperty;\n\nfunction resolveYamlSet(data) {\n  if (data === null) return true;\n\n  var key, object = data;\n\n  for (key in object) {\n    if (_hasOwnProperty$2.call(object, key)) {\n      if (object[key] !== null) return false;\n    }\n  }\n\n  return true;\n}\n\nfunction constructYamlSet(data) {\n  return data !== null ? data : {};\n}\n\nvar set = new type('tag:yaml.org,2002:set', {\n  kind: 'mapping',\n  resolve: resolveYamlSet,\n  construct: constructYamlSet\n});\n\nvar _default = core.extend({\n  implicit: [\n    timestamp,\n    merge\n  ],\n  explicit: [\n    binary,\n    omap,\n    pairs,\n    set\n  ]\n});\n\n/*eslint-disable max-len,no-use-before-define*/\n\n\n\n\n\n\n\nvar _hasOwnProperty$1 = Object.prototype.hasOwnProperty;\n\n\nvar CONTEXT_FLOW_IN   = 1;\nvar CONTEXT_FLOW_OUT  = 2;\nvar CONTEXT_BLOCK_IN  = 3;\nvar CONTEXT_BLOCK_OUT = 4;\n\n\nvar CHOMPING_CLIP  = 1;\nvar CHOMPING_STRIP = 2;\nvar CHOMPING_KEEP  = 3;\n\n\nvar PATTERN_NON_PRINTABLE         = /[\\x00-\\x08\\x0B\\x0C\\x0E-\\x1F\\x7F-\\x84\\x86-\\x9F\\uFFFE\\uFFFF]|[\\uD800-\\uDBFF](?![\\uDC00-\\uDFFF])|(?:[^\\uD800-\\uDBFF]|^)[\\uDC00-\\uDFFF]/;\nvar PATTERN_NON_ASCII_LINE_BREAKS = /[\\x85\\u2028\\u2029]/;\nvar PATTERN_FLOW_INDICATORS       = /[,\\[\\]\\{\\}]/;\nvar PATTERN_TAG_HANDLE            = /^(?:!|!!|![a-z\\-]+!)$/i;\nvar PATTERN_TAG_URI               = /^(?:!|[^,\\[\\]\\{\\}])(?:%[0-9a-f]{2}|[0-9a-z\\-#;\\/\\?:@&=\\+\\$,_\\.!~\\*'\\(\\)\\[\\]])*$/i;\n\n\nfunction _class(obj) { return Object.prototype.toString.call(obj); }\n\nfunction is_EOL(c) {\n  return (c === 0x0A/* LF */) || (c === 0x0D/* CR */);\n}\n\nfunction is_WHITE_SPACE(c) {\n  return (c === 0x09/* Tab */) || (c === 0x20/* Space */);\n}\n\nfunction is_WS_OR_EOL(c) {\n  return (c === 0x09/* Tab */) ||\n         (c === 0x20/* Space */) ||\n         (c === 0x0A/* LF */) ||\n         (c === 0x0D/* CR */);\n}\n\nfunction is_FLOW_INDICATOR(c) {\n  return c === 0x2C/* , */ ||\n         c === 0x5B/* [ */ ||\n         c === 0x5D/* ] */ ||\n         c === 0x7B/* { */ ||\n         c === 0x7D/* } */;\n}\n\nfunction fromHexCode(c) {\n  var lc;\n\n  if ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) {\n    return c - 0x30;\n  }\n\n  /*eslint-disable no-bitwise*/\n  lc = c | 0x20;\n\n  if ((0x61/* a */ <= lc) && (lc <= 0x66/* f */)) {\n    return lc - 0x61 + 10;\n  }\n\n  return -1;\n}\n\nfunction escapedHexLen(c) {\n  if (c === 0x78/* x */) { return 2; }\n  if (c === 0x75/* u */) { return 4; }\n  if (c === 0x55/* U */) { return 8; }\n  return 0;\n}\n\nfunction fromDecimalCode(c) {\n  if ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) {\n    return c - 0x30;\n  }\n\n  return -1;\n}\n\nfunction simpleEscapeSequence(c) {\n  /* eslint-disable indent */\n  return (c === 0x30/* 0 */) ? '\\x00' :\n        (c === 0x61/* a */) ? '\\x07' :\n        (c === 0x62/* b */) ? '\\x08' :\n        (c === 0x74/* t */) ? '\\x09' :\n        (c === 0x09/* Tab */) ? '\\x09' :\n        (c === 0x6E/* n */) ? '\\x0A' :\n        (c === 0x76/* v */) ? '\\x0B' :\n        (c === 0x66/* f */) ? '\\x0C' :\n        (c === 0x72/* r */) ? '\\x0D' :\n        (c === 0x65/* e */) ? '\\x1B' :\n        (c === 0x20/* Space */) ? ' ' :\n        (c === 0x22/* \" */) ? '\\x22' :\n        (c === 0x2F/* / */) ? '/' :\n        (c === 0x5C/* \\ */) ? '\\x5C' :\n        (c === 0x4E/* N */) ? '\\x85' :\n        (c === 0x5F/* _ */) ? '\\xA0' :\n        (c === 0x4C/* L */) ? '\\u2028' :\n        (c === 0x50/* P */) ? '\\u2029' : '';\n}\n\nfunction charFromCodepoint(c) {\n  if (c <= 0xFFFF) {\n    return String.fromCharCode(c);\n  }\n  // Encode UTF-16 surrogate pair\n  // https://en.wikipedia.org/wiki/UTF-16#Code_points_U.2B010000_to_U.2B10FFFF\n  return String.fromCharCode(\n    ((c - 0x010000) >> 10) + 0xD800,\n    ((c - 0x010000) & 0x03FF) + 0xDC00\n  );\n}\n\n// set a property of a literal object, while protecting against prototype pollution,\n// see https://github.com/nodeca/js-yaml/issues/164 for more details\nfunction setProperty(object, key, value) {\n  // used for this specific key only because Object.defineProperty is slow\n  if (key === '__proto__') {\n    Object.defineProperty(object, key, {\n      configurable: true,\n      enumerable: true,\n      writable: true,\n      value: value\n    });\n  } else {\n    object[key] = value;\n  }\n}\n\nvar simpleEscapeCheck = new Array(256); // integer, for fast access\nvar simpleEscapeMap = new Array(256);\nfor (var i = 0; i < 256; i++) {\n  simpleEscapeCheck[i] = simpleEscapeSequence(i) ? 1 : 0;\n  simpleEscapeMap[i] = simpleEscapeSequence(i);\n}\n\n\nfunction State$1(input, options) {\n  this.input = input;\n\n  this.filename  = options['filename']  || null;\n  this.schema    = options['schema']    || _default;\n  this.onWarning = options['onWarning'] || null;\n  // (Hidden) Remove? makes the loader to expect YAML 1.1 documents\n  // if such documents have no explicit %YAML directive\n  this.legacy    = options['legacy']    || false;\n\n  this.json      = options['json']      || false;\n  this.listener  = options['listener']  || null;\n\n  this.implicitTypes = this.schema.compiledImplicit;\n  this.typeMap       = this.schema.compiledTypeMap;\n\n  this.length     = input.length;\n  this.position   = 0;\n  this.line       = 0;\n  this.lineStart  = 0;\n  this.lineIndent = 0;\n\n  // position of first leading tab in the current line,\n  // used to make sure there are no tabs in the indentation\n  this.firstTabInLine = -1;\n\n  this.documents = [];\n\n  /*\n  this.version;\n  this.checkLineBreaks;\n  this.tagMap;\n  this.anchorMap;\n  this.tag;\n  this.anchor;\n  this.kind;\n  this.result;*/\n\n}\n\n\nfunction generateError(state, message) {\n  var mark = {\n    name:     state.filename,\n    buffer:   state.input.slice(0, -1), // omit trailing \\0\n    position: state.position,\n    line:     state.line,\n    column:   state.position - state.lineStart\n  };\n\n  mark.snippet = snippet(mark);\n\n  return new exception(message, mark);\n}\n\nfunction throwError(state, message) {\n  throw generateError(state, message);\n}\n\nfunction throwWarning(state, message) {\n  if (state.onWarning) {\n    state.onWarning.call(null, generateError(state, message));\n  }\n}\n\n\nvar directiveHandlers = {\n\n  YAML: function handleYamlDirective(state, name, args) {\n\n    var match, major, minor;\n\n    if (state.version !== null) {\n      throwError(state, 'duplication of %YAML directive');\n    }\n\n    if (args.length !== 1) {\n      throwError(state, 'YAML directive accepts exactly one argument');\n    }\n\n    match = /^([0-9]+)\\.([0-9]+)$/.exec(args[0]);\n\n    if (match === null) {\n      throwError(state, 'ill-formed argument of the YAML directive');\n    }\n\n    major = parseInt(match[1], 10);\n    minor = parseInt(match[2], 10);\n\n    if (major !== 1) {\n      throwError(state, 'unacceptable YAML version of the document');\n    }\n\n    state.version = args[0];\n    state.checkLineBreaks = (minor < 2);\n\n    if (minor !== 1 && minor !== 2) {\n      throwWarning(state, 'unsupported YAML version of the document');\n    }\n  },\n\n  TAG: function handleTagDirective(state, name, args) {\n\n    var handle, prefix;\n\n    if (args.length !== 2) {\n      throwError(state, 'TAG directive accepts exactly two arguments');\n    }\n\n    handle = args[0];\n    prefix = args[1];\n\n    if (!PATTERN_TAG_HANDLE.test(handle)) {\n      throwError(state, 'ill-formed tag handle (first argument) of the TAG directive');\n    }\n\n    if (_hasOwnProperty$1.call(state.tagMap, handle)) {\n      throwError(state, 'there is a previously declared suffix for \"' + handle + '\" tag handle');\n    }\n\n    if (!PATTERN_TAG_URI.test(prefix)) {\n      throwError(state, 'ill-formed tag prefix (second argument) of the TAG directive');\n    }\n\n    try {\n      prefix = decodeURIComponent(prefix);\n    } catch (err) {\n      throwError(state, 'tag prefix is malformed: ' + prefix);\n    }\n\n    state.tagMap[handle] = prefix;\n  }\n};\n\n\nfunction captureSegment(state, start, end, checkJson) {\n  var _position, _length, _character, _result;\n\n  if (start < end) {\n    _result = state.input.slice(start, end);\n\n    if (checkJson) {\n      for (_position = 0, _length = _result.length; _position < _length; _position += 1) {\n        _character = _result.charCodeAt(_position);\n        if (!(_character === 0x09 ||\n              (0x20 <= _character && _character <= 0x10FFFF))) {\n          throwError(state, 'expected valid JSON character');\n        }\n      }\n    } else if (PATTERN_NON_PRINTABLE.test(_result)) {\n      throwError(state, 'the stream contains non-printable characters');\n    }\n\n    state.result += _result;\n  }\n}\n\nfunction mergeMappings(state, destination, source, overridableKeys) {\n  var sourceKeys, key, index, quantity;\n\n  if (!common.isObject(source)) {\n    throwError(state, 'cannot merge mappings; the provided source object is unacceptable');\n  }\n\n  sourceKeys = Object.keys(source);\n\n  for (index = 0, quantity = sourceKeys.length; index < quantity; index += 1) {\n    key = sourceKeys[index];\n\n    if (!_hasOwnProperty$1.call(destination, key)) {\n      setProperty(destination, key, source[key]);\n      overridableKeys[key] = true;\n    }\n  }\n}\n\nfunction storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode,\n  startLine, startLineStart, startPos) {\n\n  var index, quantity;\n\n  // The output is a plain object here, so keys can only be strings.\n  // We need to convert keyNode to a string, but doing so can hang the process\n  // (deeply nested arrays that explode exponentially using aliases).\n  if (Array.isArray(keyNode)) {\n    keyNode = Array.prototype.slice.call(keyNode);\n\n    for (index = 0, quantity = keyNode.length; index < quantity; index += 1) {\n      if (Array.isArray(keyNode[index])) {\n        throwError(state, 'nested arrays are not supported inside keys');\n      }\n\n      if (typeof keyNode === 'object' && _class(keyNode[index]) === '[object Object]') {\n        keyNode[index] = '[object Object]';\n      }\n    }\n  }\n\n  // Avoid code execution in load() via toString property\n  // (still use its own toString for arrays, timestamps,\n  // and whatever user schema extensions happen to have @@toStringTag)\n  if (typeof keyNode === 'object' && _class(keyNode) === '[object Object]') {\n    keyNode = '[object Object]';\n  }\n\n\n  keyNode = String(keyNode);\n\n  if (_result === null) {\n    _result = {};\n  }\n\n  if (keyTag === 'tag:yaml.org,2002:merge') {\n    if (Array.isArray(valueNode)) {\n      for (index = 0, quantity = valueNode.length; index < quantity; index += 1) {\n        mergeMappings(state, _result, valueNode[index], overridableKeys);\n      }\n    } else {\n      mergeMappings(state, _result, valueNode, overridableKeys);\n    }\n  } else {\n    if (!state.json &&\n        !_hasOwnProperty$1.call(overridableKeys, keyNode) &&\n        _hasOwnProperty$1.call(_result, keyNode)) {\n      state.line = startLine || state.line;\n      state.lineStart = startLineStart || state.lineStart;\n      state.position = startPos || state.position;\n      throwError(state, 'duplicated mapping key');\n    }\n\n    setProperty(_result, keyNode, valueNode);\n    delete overridableKeys[keyNode];\n  }\n\n  return _result;\n}\n\nfunction readLineBreak(state) {\n  var ch;\n\n  ch = state.input.charCodeAt(state.position);\n\n  if (ch === 0x0A/* LF */) {\n    state.position++;\n  } else if (ch === 0x0D/* CR */) {\n    state.position++;\n    if (state.input.charCodeAt(state.position) === 0x0A/* LF */) {\n      state.position++;\n    }\n  } else {\n    throwError(state, 'a line break is expected');\n  }\n\n  state.line += 1;\n  state.lineStart = state.position;\n  state.firstTabInLine = -1;\n}\n\nfunction skipSeparationSpace(state, allowComments, checkIndent) {\n  var lineBreaks = 0,\n      ch = state.input.charCodeAt(state.position);\n\n  while (ch !== 0) {\n    while (is_WHITE_SPACE(ch)) {\n      if (ch === 0x09/* Tab */ && state.firstTabInLine === -1) {\n        state.firstTabInLine = state.position;\n      }\n      ch = state.input.charCodeAt(++state.position);\n    }\n\n    if (allowComments && ch === 0x23/* # */) {\n      do {\n        ch = state.input.charCodeAt(++state.position);\n      } while (ch !== 0x0A/* LF */ && ch !== 0x0D/* CR */ && ch !== 0);\n    }\n\n    if (is_EOL(ch)) {\n      readLineBreak(state);\n\n      ch = state.input.charCodeAt(state.position);\n      lineBreaks++;\n      state.lineIndent = 0;\n\n      while (ch === 0x20/* Space */) {\n        state.lineIndent++;\n        ch = state.input.charCodeAt(++state.position);\n      }\n    } else {\n      break;\n    }\n  }\n\n  if (checkIndent !== -1 && lineBreaks !== 0 && state.lineIndent < checkIndent) {\n    throwWarning(state, 'deficient indentation');\n  }\n\n  return lineBreaks;\n}\n\nfunction testDocumentSeparator(state) {\n  var _position = state.position,\n      ch;\n\n  ch = state.input.charCodeAt(_position);\n\n  // Condition state.position === state.lineStart is tested\n  // in parent on each call, for efficiency. No needs to test here again.\n  if ((ch === 0x2D/* - */ || ch === 0x2E/* . */) &&\n      ch === state.input.charCodeAt(_position + 1) &&\n      ch === state.input.charCodeAt(_position + 2)) {\n\n    _position += 3;\n\n    ch = state.input.charCodeAt(_position);\n\n    if (ch === 0 || is_WS_OR_EOL(ch)) {\n      return true;\n    }\n  }\n\n  return false;\n}\n\nfunction writeFoldedLines(state, count) {\n  if (count === 1) {\n    state.result += ' ';\n  } else if (count > 1) {\n    state.result += common.repeat('\\n', count - 1);\n  }\n}\n\n\nfunction readPlainScalar(state, nodeIndent, withinFlowCollection) {\n  var preceding,\n      following,\n      captureStart,\n      captureEnd,\n      hasPendingContent,\n      _line,\n      _lineStart,\n      _lineIndent,\n      _kind = state.kind,\n      _result = state.result,\n      ch;\n\n  ch = state.input.charCodeAt(state.position);\n\n  if (is_WS_OR_EOL(ch)      ||\n      is_FLOW_INDICATOR(ch) ||\n      ch === 0x23/* # */    ||\n      ch === 0x26/* & */    ||\n      ch === 0x2A/* * */    ||\n      ch === 0x21/* ! */    ||\n      ch === 0x7C/* | */    ||\n      ch === 0x3E/* > */    ||\n      ch === 0x27/* ' */    ||\n      ch === 0x22/* \" */    ||\n      ch === 0x25/* % */    ||\n      ch === 0x40/* @ */    ||\n      ch === 0x60/* ` */) {\n    return false;\n  }\n\n  if (ch === 0x3F/* ? */ || ch === 0x2D/* - */) {\n    following = state.input.charCodeAt(state.position + 1);\n\n    if (is_WS_OR_EOL(following) ||\n        withinFlowCollection && is_FLOW_INDICATOR(following)) {\n      return false;\n    }\n  }\n\n  state.kind = 'scalar';\n  state.result = '';\n  captureStart = captureEnd = state.position;\n  hasPendingContent = false;\n\n  while (ch !== 0) {\n    if (ch === 0x3A/* : */) {\n      following = state.input.charCodeAt(state.position + 1);\n\n      if (is_WS_OR_EOL(following) ||\n          withinFlowCollection && is_FLOW_INDICATOR(following)) {\n        break;\n      }\n\n    } else if (ch === 0x23/* # */) {\n      preceding = state.input.charCodeAt(state.position - 1);\n\n      if (is_WS_OR_EOL(preceding)) {\n        break;\n      }\n\n    } else if ((state.position === state.lineStart && testDocumentSeparator(state)) ||\n               withinFlowCollection && is_FLOW_INDICATOR(ch)) {\n      break;\n\n    } else if (is_EOL(ch)) {\n      _line = state.line;\n      _lineStart = state.lineStart;\n      _lineIndent = state.lineIndent;\n      skipSeparationSpace(state, false, -1);\n\n      if (state.lineIndent >= nodeIndent) {\n        hasPendingContent = true;\n        ch = state.input.charCodeAt(state.position);\n        continue;\n      } else {\n        state.position = captureEnd;\n        state.line = _line;\n        state.lineStart = _lineStart;\n        state.lineIndent = _lineIndent;\n        break;\n      }\n    }\n\n    if (hasPendingContent) {\n      captureSegment(state, captureStart, captureEnd, false);\n      writeFoldedLines(state, state.line - _line);\n      captureStart = captureEnd = state.position;\n      hasPendingContent = false;\n    }\n\n    if (!is_WHITE_SPACE(ch)) {\n      captureEnd = state.position + 1;\n    }\n\n    ch = state.input.charCodeAt(++state.position);\n  }\n\n  captureSegment(state, captureStart, captureEnd, false);\n\n  if (state.result) {\n    return true;\n  }\n\n  state.kind = _kind;\n  state.result = _result;\n  return false;\n}\n\nfunction readSingleQuotedScalar(state, nodeIndent) {\n  var ch,\n      captureStart, captureEnd;\n\n  ch = state.input.charCodeAt(state.position);\n\n  if (ch !== 0x27/* ' */) {\n    return false;\n  }\n\n  state.kind = 'scalar';\n  state.result = '';\n  state.position++;\n  captureStart = captureEnd = state.position;\n\n  while ((ch = state.input.charCodeAt(state.position)) !== 0) {\n    if (ch === 0x27/* ' */) {\n      captureSegment(state, captureStart, state.position, true);\n      ch = state.input.charCodeAt(++state.position);\n\n      if (ch === 0x27/* ' */) {\n        captureStart = state.position;\n        state.position++;\n        captureEnd = state.position;\n      } else {\n        return true;\n      }\n\n    } else if (is_EOL(ch)) {\n      captureSegment(state, captureStart, captureEnd, true);\n      writeFoldedLines(state, skipSeparationSpace(state, false, nodeIndent));\n      captureStart = captureEnd = state.position;\n\n    } else if (state.position === state.lineStart && testDocumentSeparator(state)) {\n      throwError(state, 'unexpected end of the document within a single quoted scalar');\n\n    } else {\n      state.position++;\n      captureEnd = state.position;\n    }\n  }\n\n  throwError(state, 'unexpected end of the stream within a single quoted scalar');\n}\n\nfunction readDoubleQuotedScalar(state, nodeIndent) {\n  var captureStart,\n      captureEnd,\n      hexLength,\n      hexResult,\n      tmp,\n      ch;\n\n  ch = state.input.charCodeAt(state.position);\n\n  if (ch !== 0x22/* \" */) {\n    return false;\n  }\n\n  state.kind = 'scalar';\n  state.result = '';\n  state.position++;\n  captureStart = captureEnd = state.position;\n\n  while ((ch = state.input.charCodeAt(state.position)) !== 0) {\n    if (ch === 0x22/* \" */) {\n      captureSegment(state, captureStart, state.position, true);\n      state.position++;\n      return true;\n\n    } else if (ch === 0x5C/* \\ */) {\n      captureSegment(state, captureStart, state.position, true);\n      ch = state.input.charCodeAt(++state.position);\n\n      if (is_EOL(ch)) {\n        skipSeparationSpace(state, false, nodeIndent);\n\n        // TODO: rework to inline fn with no type cast?\n      } else if (ch < 256 && simpleEscapeCheck[ch]) {\n        state.result += simpleEscapeMap[ch];\n        state.position++;\n\n      } else if ((tmp = escapedHexLen(ch)) > 0) {\n        hexLength = tmp;\n        hexResult = 0;\n\n        for (; hexLength > 0; hexLength--) {\n          ch = state.input.charCodeAt(++state.position);\n\n          if ((tmp = fromHexCode(ch)) >= 0) {\n            hexResult = (hexResult << 4) + tmp;\n\n          } else {\n            throwError(state, 'expected hexadecimal character');\n          }\n        }\n\n        state.result += charFromCodepoint(hexResult);\n\n        state.position++;\n\n      } else {\n        throwError(state, 'unknown escape sequence');\n      }\n\n      captureStart = captureEnd = state.position;\n\n    } else if (is_EOL(ch)) {\n      captureSegment(state, captureStart, captureEnd, true);\n      writeFoldedLines(state, skipSeparationSpace(state, false, nodeIndent));\n      captureStart = captureEnd = state.position;\n\n    } else if (state.position === state.lineStart && testDocumentSeparator(state)) {\n      throwError(state, 'unexpected end of the document within a double quoted scalar');\n\n    } else {\n      state.position++;\n      captureEnd = state.position;\n    }\n  }\n\n  throwError(state, 'unexpected end of the stream within a double quoted scalar');\n}\n\nfunction readFlowCollection(state, nodeIndent) {\n  var readNext = true,\n      _line,\n      _lineStart,\n      _pos,\n      _tag     = state.tag,\n      _result,\n      _anchor  = state.anchor,\n      following,\n      terminator,\n      isPair,\n      isExplicitPair,\n      isMapping,\n      overridableKeys = Object.create(null),\n      keyNode,\n      keyTag,\n      valueNode,\n      ch;\n\n  ch = state.input.charCodeAt(state.position);\n\n  if (ch === 0x5B/* [ */) {\n    terminator = 0x5D;/* ] */\n    isMapping = false;\n    _result = [];\n  } else if (ch === 0x7B/* { */) {\n    terminator = 0x7D;/* } */\n    isMapping = true;\n    _result = {};\n  } else {\n    return false;\n  }\n\n  if (state.anchor !== null) {\n    state.anchorMap[state.anchor] = _result;\n  }\n\n  ch = state.input.charCodeAt(++state.position);\n\n  while (ch !== 0) {\n    skipSeparationSpace(state, true, nodeIndent);\n\n    ch = state.input.charCodeAt(state.position);\n\n    if (ch === terminator) {\n      state.position++;\n      state.tag = _tag;\n      state.anchor = _anchor;\n      state.kind = isMapping ? 'mapping' : 'sequence';\n      state.result = _result;\n      return true;\n    } else if (!readNext) {\n      throwError(state, 'missed comma between flow collection entries');\n    } else if (ch === 0x2C/* , */) {\n      // \"flow collection entries can never be completely empty\", as per YAML 1.2, section 7.4\n      throwError(state, \"expected the node content, but found ','\");\n    }\n\n    keyTag = keyNode = valueNode = null;\n    isPair = isExplicitPair = false;\n\n    if (ch === 0x3F/* ? */) {\n      following = state.input.charCodeAt(state.position + 1);\n\n      if (is_WS_OR_EOL(following)) {\n        isPair = isExplicitPair = true;\n        state.position++;\n        skipSeparationSpace(state, true, nodeIndent);\n      }\n    }\n\n    _line = state.line; // Save the current line.\n    _lineStart = state.lineStart;\n    _pos = state.position;\n    composeNode(state, nodeIndent, CONTEXT_FLOW_IN, false, true);\n    keyTag = state.tag;\n    keyNode = state.result;\n    skipSeparationSpace(state, true, nodeIndent);\n\n    ch = state.input.charCodeAt(state.position);\n\n    if ((isExplicitPair || state.line === _line) && ch === 0x3A/* : */) {\n      isPair = true;\n      ch = state.input.charCodeAt(++state.position);\n      skipSeparationSpace(state, true, nodeIndent);\n      composeNode(state, nodeIndent, CONTEXT_FLOW_IN, false, true);\n      valueNode = state.result;\n    }\n\n    if (isMapping) {\n      storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, _line, _lineStart, _pos);\n    } else if (isPair) {\n      _result.push(storeMappingPair(state, null, overridableKeys, keyTag, keyNode, valueNode, _line, _lineStart, _pos));\n    } else {\n      _result.push(keyNode);\n    }\n\n    skipSeparationSpace(state, true, nodeIndent);\n\n    ch = state.input.charCodeAt(state.position);\n\n    if (ch === 0x2C/* , */) {\n      readNext = true;\n      ch = state.input.charCodeAt(++state.position);\n    } else {\n      readNext = false;\n    }\n  }\n\n  throwError(state, 'unexpected end of the stream within a flow collection');\n}\n\nfunction readBlockScalar(state, nodeIndent) {\n  var captureStart,\n      folding,\n      chomping       = CHOMPING_CLIP,\n      didReadContent = false,\n      detectedIndent = false,\n      textIndent     = nodeIndent,\n      emptyLines     = 0,\n      atMoreIndented = false,\n      tmp,\n      ch;\n\n  ch = state.input.charCodeAt(state.position);\n\n  if (ch === 0x7C/* | */) {\n    folding = false;\n  } else if (ch === 0x3E/* > */) {\n    folding = true;\n  } else {\n    return false;\n  }\n\n  state.kind = 'scalar';\n  state.result = '';\n\n  while (ch !== 0) {\n    ch = state.input.charCodeAt(++state.position);\n\n    if (ch === 0x2B/* + */ || ch === 0x2D/* - */) {\n      if (CHOMPING_CLIP === chomping) {\n        chomping = (ch === 0x2B/* + */) ? CHOMPING_KEEP : CHOMPING_STRIP;\n      } else {\n        throwError(state, 'repeat of a chomping mode identifier');\n      }\n\n    } else if ((tmp = fromDecimalCode(ch)) >= 0) {\n      if (tmp === 0) {\n        throwError(state, 'bad explicit indentation width of a block scalar; it cannot be less than one');\n      } else if (!detectedIndent) {\n        textIndent = nodeIndent + tmp - 1;\n        detectedIndent = true;\n      } else {\n        throwError(state, 'repeat of an indentation width identifier');\n      }\n\n    } else {\n      break;\n    }\n  }\n\n  if (is_WHITE_SPACE(ch)) {\n    do { ch = state.input.charCodeAt(++state.position); }\n    while (is_WHITE_SPACE(ch));\n\n    if (ch === 0x23/* # */) {\n      do { ch = state.input.charCodeAt(++state.position); }\n      while (!is_EOL(ch) && (ch !== 0));\n    }\n  }\n\n  while (ch !== 0) {\n    readLineBreak(state);\n    state.lineIndent = 0;\n\n    ch = state.input.charCodeAt(state.position);\n\n    while ((!detectedIndent || state.lineIndent < textIndent) &&\n           (ch === 0x20/* Space */)) {\n      state.lineIndent++;\n      ch = state.input.charCodeAt(++state.position);\n    }\n\n    if (!detectedIndent && state.lineIndent > textIndent) {\n      textIndent = state.lineIndent;\n    }\n\n    if (is_EOL(ch)) {\n      emptyLines++;\n      continue;\n    }\n\n    // End of the scalar.\n    if (state.lineIndent < textIndent) {\n\n      // Perform the chomping.\n      if (chomping === CHOMPING_KEEP) {\n        state.result += common.repeat('\\n', didReadContent ? 1 + emptyLines : emptyLines);\n      } else if (chomping === CHOMPING_CLIP) {\n        if (didReadContent) { // i.e. only if the scalar is not empty.\n          state.result += '\\n';\n        }\n      }\n\n      // Break this `while` cycle and go to the funciton's epilogue.\n      break;\n    }\n\n    // Folded style: use fancy rules to handle line breaks.\n    if (folding) {\n\n      // Lines starting with white space characters (more-indented lines) are not folded.\n      if (is_WHITE_SPACE(ch)) {\n        atMoreIndented = true;\n        // except for the first content line (cf. Example 8.1)\n        state.result += common.repeat('\\n', didReadContent ? 1 + emptyLines : emptyLines);\n\n      // End of more-indented block.\n      } else if (atMoreIndented) {\n        atMoreIndented = false;\n        state.result += common.repeat('\\n', emptyLines + 1);\n\n      // Just one line break - perceive as the same line.\n      } else if (emptyLines === 0) {\n        if (didReadContent) { // i.e. only if we have already read some scalar content.\n          state.result += ' ';\n        }\n\n      // Several line breaks - perceive as different lines.\n      } else {\n        state.result += common.repeat('\\n', emptyLines);\n      }\n\n    // Literal style: just add exact number of line breaks between content lines.\n    } else {\n      // Keep all line breaks except the header line break.\n      state.result += common.repeat('\\n', didReadContent ? 1 + emptyLines : emptyLines);\n    }\n\n    didReadContent = true;\n    detectedIndent = true;\n    emptyLines = 0;\n    captureStart = state.position;\n\n    while (!is_EOL(ch) && (ch !== 0)) {\n      ch = state.input.charCodeAt(++state.position);\n    }\n\n    captureSegment(state, captureStart, state.position, false);\n  }\n\n  return true;\n}\n\nfunction readBlockSequence(state, nodeIndent) {\n  var _line,\n      _tag      = state.tag,\n      _anchor   = state.anchor,\n      _result   = [],\n      following,\n      detected  = false,\n      ch;\n\n  // there is a leading tab before this token, so it can't be a block sequence/mapping;\n  // it can still be flow sequence/mapping or a scalar\n  if (state.firstTabInLine !== -1) return false;\n\n  if (state.anchor !== null) {\n    state.anchorMap[state.anchor] = _result;\n  }\n\n  ch = state.input.charCodeAt(state.position);\n\n  while (ch !== 0) {\n    if (state.firstTabInLine !== -1) {\n      state.position = state.firstTabInLine;\n      throwError(state, 'tab characters must not be used in indentation');\n    }\n\n    if (ch !== 0x2D/* - */) {\n      break;\n    }\n\n    following = state.input.charCodeAt(state.position + 1);\n\n    if (!is_WS_OR_EOL(following)) {\n      break;\n    }\n\n    detected = true;\n    state.position++;\n\n    if (skipSeparationSpace(state, true, -1)) {\n      if (state.lineIndent <= nodeIndent) {\n        _result.push(null);\n        ch = state.input.charCodeAt(state.position);\n        continue;\n      }\n    }\n\n    _line = state.line;\n    composeNode(state, nodeIndent, CONTEXT_BLOCK_IN, false, true);\n    _result.push(state.result);\n    skipSeparationSpace(state, true, -1);\n\n    ch = state.input.charCodeAt(state.position);\n\n    if ((state.line === _line || state.lineIndent > nodeIndent) && (ch !== 0)) {\n      throwError(state, 'bad indentation of a sequence entry');\n    } else if (state.lineIndent < nodeIndent) {\n      break;\n    }\n  }\n\n  if (detected) {\n    state.tag = _tag;\n    state.anchor = _anchor;\n    state.kind = 'sequence';\n    state.result = _result;\n    return true;\n  }\n  return false;\n}\n\nfunction readBlockMapping(state, nodeIndent, flowIndent) {\n  var following,\n      allowCompact,\n      _line,\n      _keyLine,\n      _keyLineStart,\n      _keyPos,\n      _tag          = state.tag,\n      _anchor       = state.anchor,\n      _result       = {},\n      overridableKeys = Object.create(null),\n      keyTag        = null,\n      keyNode       = null,\n      valueNode     = null,\n      atExplicitKey = false,\n      detected      = false,\n      ch;\n\n  // there is a leading tab before this token, so it can't be a block sequence/mapping;\n  // it can still be flow sequence/mapping or a scalar\n  if (state.firstTabInLine !== -1) return false;\n\n  if (state.anchor !== null) {\n    state.anchorMap[state.anchor] = _result;\n  }\n\n  ch = state.input.charCodeAt(state.position);\n\n  while (ch !== 0) {\n    if (!atExplicitKey && state.firstTabInLine !== -1) {\n      state.position = state.firstTabInLine;\n      throwError(state, 'tab characters must not be used in indentation');\n    }\n\n    following = state.input.charCodeAt(state.position + 1);\n    _line = state.line; // Save the current line.\n\n    //\n    // Explicit notation case. There are two separate blocks:\n    // first for the key (denoted by \"?\") and second for the value (denoted by \":\")\n    //\n    if ((ch === 0x3F/* ? */ || ch === 0x3A/* : */) && is_WS_OR_EOL(following)) {\n\n      if (ch === 0x3F/* ? */) {\n        if (atExplicitKey) {\n          storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null, _keyLine, _keyLineStart, _keyPos);\n          keyTag = keyNode = valueNode = null;\n        }\n\n        detected = true;\n        atExplicitKey = true;\n        allowCompact = true;\n\n      } else if (atExplicitKey) {\n        // i.e. 0x3A/* : */ === character after the explicit key.\n        atExplicitKey = false;\n        allowCompact = true;\n\n      } else {\n        throwError(state, 'incomplete explicit mapping pair; a key node is missed; or followed by a non-tabulated empty line');\n      }\n\n      state.position += 1;\n      ch = following;\n\n    //\n    // Implicit notation case. Flow-style node as the key first, then \":\", and the value.\n    //\n    } else {\n      _keyLine = state.line;\n      _keyLineStart = state.lineStart;\n      _keyPos = state.position;\n\n      if (!composeNode(state, flowIndent, CONTEXT_FLOW_OUT, false, true)) {\n        // Neither implicit nor explicit notation.\n        // Reading is done. Go to the epilogue.\n        break;\n      }\n\n      if (state.line === _line) {\n        ch = state.input.charCodeAt(state.position);\n\n        while (is_WHITE_SPACE(ch)) {\n          ch = state.input.charCodeAt(++state.position);\n        }\n\n        if (ch === 0x3A/* : */) {\n          ch = state.input.charCodeAt(++state.position);\n\n          if (!is_WS_OR_EOL(ch)) {\n            throwError(state, 'a whitespace character is expected after the key-value separator within a block mapping');\n          }\n\n          if (atExplicitKey) {\n            storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null, _keyLine, _keyLineStart, _keyPos);\n            keyTag = keyNode = valueNode = null;\n          }\n\n          detected = true;\n          atExplicitKey = false;\n          allowCompact = false;\n          keyTag = state.tag;\n          keyNode = state.result;\n\n        } else if (detected) {\n          throwError(state, 'can not read an implicit mapping pair; a colon is missed');\n\n        } else {\n          state.tag = _tag;\n          state.anchor = _anchor;\n          return true; // Keep the result of `composeNode`.\n        }\n\n      } else if (detected) {\n        throwError(state, 'can not read a block mapping entry; a multiline key may not be an implicit key');\n\n      } else {\n        state.tag = _tag;\n        state.anchor = _anchor;\n        return true; // Keep the result of `composeNode`.\n      }\n    }\n\n    //\n    // Common reading code for both explicit and implicit notations.\n    //\n    if (state.line === _line || state.lineIndent > nodeIndent) {\n      if (atExplicitKey) {\n        _keyLine = state.line;\n        _keyLineStart = state.lineStart;\n        _keyPos = state.position;\n      }\n\n      if (composeNode(state, nodeIndent, CONTEXT_BLOCK_OUT, true, allowCompact)) {\n        if (atExplicitKey) {\n          keyNode = state.result;\n        } else {\n          valueNode = state.result;\n        }\n      }\n\n      if (!atExplicitKey) {\n        storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, _keyLine, _keyLineStart, _keyPos);\n        keyTag = keyNode = valueNode = null;\n      }\n\n      skipSeparationSpace(state, true, -1);\n      ch = state.input.charCodeAt(state.position);\n    }\n\n    if ((state.line === _line || state.lineIndent > nodeIndent) && (ch !== 0)) {\n      throwError(state, 'bad indentation of a mapping entry');\n    } else if (state.lineIndent < nodeIndent) {\n      break;\n    }\n  }\n\n  //\n  // Epilogue.\n  //\n\n  // Special case: last mapping's node contains only the key in explicit notation.\n  if (atExplicitKey) {\n    storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null, _keyLine, _keyLineStart, _keyPos);\n  }\n\n  // Expose the resulting mapping.\n  if (detected) {\n    state.tag = _tag;\n    state.anchor = _anchor;\n    state.kind = 'mapping';\n    state.result = _result;\n  }\n\n  return detected;\n}\n\nfunction readTagProperty(state) {\n  var _position,\n      isVerbatim = false,\n      isNamed    = false,\n      tagHandle,\n      tagName,\n      ch;\n\n  ch = state.input.charCodeAt(state.position);\n\n  if (ch !== 0x21/* ! */) return false;\n\n  if (state.tag !== null) {\n    throwError(state, 'duplication of a tag property');\n  }\n\n  ch = state.input.charCodeAt(++state.position);\n\n  if (ch === 0x3C/* < */) {\n    isVerbatim = true;\n    ch = state.input.charCodeAt(++state.position);\n\n  } else if (ch === 0x21/* ! */) {\n    isNamed = true;\n    tagHandle = '!!';\n    ch = state.input.charCodeAt(++state.position);\n\n  } else {\n    tagHandle = '!';\n  }\n\n  _position = state.position;\n\n  if (isVerbatim) {\n    do { ch = state.input.charCodeAt(++state.position); }\n    while (ch !== 0 && ch !== 0x3E/* > */);\n\n    if (state.position < state.length) {\n      tagName = state.input.slice(_position, state.position);\n      ch = state.input.charCodeAt(++state.position);\n    } else {\n      throwError(state, 'unexpected end of the stream within a verbatim tag');\n    }\n  } else {\n    while (ch !== 0 && !is_WS_OR_EOL(ch)) {\n\n      if (ch === 0x21/* ! */) {\n        if (!isNamed) {\n          tagHandle = state.input.slice(_position - 1, state.position + 1);\n\n          if (!PATTERN_TAG_HANDLE.test(tagHandle)) {\n            throwError(state, 'named tag handle cannot contain such characters');\n          }\n\n          isNamed = true;\n          _position = state.position + 1;\n        } else {\n          throwError(state, 'tag suffix cannot contain exclamation marks');\n        }\n      }\n\n      ch = state.input.charCodeAt(++state.position);\n    }\n\n    tagName = state.input.slice(_position, state.position);\n\n    if (PATTERN_FLOW_INDICATORS.test(tagName)) {\n      throwError(state, 'tag suffix cannot contain flow indicator characters');\n    }\n  }\n\n  if (tagName && !PATTERN_TAG_URI.test(tagName)) {\n    throwError(state, 'tag name cannot contain such characters: ' + tagName);\n  }\n\n  try {\n    tagName = decodeURIComponent(tagName);\n  } catch (err) {\n    throwError(state, 'tag name is malformed: ' + tagName);\n  }\n\n  if (isVerbatim) {\n    state.tag = tagName;\n\n  } else if (_hasOwnProperty$1.call(state.tagMap, tagHandle)) {\n    state.tag = state.tagMap[tagHandle] + tagName;\n\n  } else if (tagHandle === '!') {\n    state.tag = '!' + tagName;\n\n  } else if (tagHandle === '!!') {\n    state.tag = 'tag:yaml.org,2002:' + tagName;\n\n  } else {\n    throwError(state, 'undeclared tag handle \"' + tagHandle + '\"');\n  }\n\n  return true;\n}\n\nfunction readAnchorProperty(state) {\n  var _position,\n      ch;\n\n  ch = state.input.charCodeAt(state.position);\n\n  if (ch !== 0x26/* & */) return false;\n\n  if (state.anchor !== null) {\n    throwError(state, 'duplication of an anchor property');\n  }\n\n  ch = state.input.charCodeAt(++state.position);\n  _position = state.position;\n\n  while (ch !== 0 && !is_WS_OR_EOL(ch) && !is_FLOW_INDICATOR(ch)) {\n    ch = state.input.charCodeAt(++state.position);\n  }\n\n  if (state.position === _position) {\n    throwError(state, 'name of an anchor node must contain at least one character');\n  }\n\n  state.anchor = state.input.slice(_position, state.position);\n  return true;\n}\n\nfunction readAlias(state) {\n  var _position, alias,\n      ch;\n\n  ch = state.input.charCodeAt(state.position);\n\n  if (ch !== 0x2A/* * */) return false;\n\n  ch = state.input.charCodeAt(++state.position);\n  _position = state.position;\n\n  while (ch !== 0 && !is_WS_OR_EOL(ch) && !is_FLOW_INDICATOR(ch)) {\n    ch = state.input.charCodeAt(++state.position);\n  }\n\n  if (state.position === _position) {\n    throwError(state, 'name of an alias node must contain at least one character');\n  }\n\n  alias = state.input.slice(_position, state.position);\n\n  if (!_hasOwnProperty$1.call(state.anchorMap, alias)) {\n    throwError(state, 'unidentified alias \"' + alias + '\"');\n  }\n\n  state.result = state.anchorMap[alias];\n  skipSeparationSpace(state, true, -1);\n  return true;\n}\n\nfunction composeNode(state, parentIndent, nodeContext, allowToSeek, allowCompact) {\n  var allowBlockStyles,\n      allowBlockScalars,\n      allowBlockCollections,\n      indentStatus = 1, // 1: this>parent, 0: this=parent, -1: this<parent\n      atNewLine  = false,\n      hasContent = false,\n      typeIndex,\n      typeQuantity,\n      typeList,\n      type,\n      flowIndent,\n      blockIndent;\n\n  if (state.listener !== null) {\n    state.listener('open', state);\n  }\n\n  state.tag    = null;\n  state.anchor = null;\n  state.kind   = null;\n  state.result = null;\n\n  allowBlockStyles = allowBlockScalars = allowBlockCollections =\n    CONTEXT_BLOCK_OUT === nodeContext ||\n    CONTEXT_BLOCK_IN  === nodeContext;\n\n  if (allowToSeek) {\n    if (skipSeparationSpace(state, true, -1)) {\n      atNewLine = true;\n\n      if (state.lineIndent > parentIndent) {\n        indentStatus = 1;\n      } else if (state.lineIndent === parentIndent) {\n        indentStatus = 0;\n      } else if (state.lineIndent < parentIndent) {\n        indentStatus = -1;\n      }\n    }\n  }\n\n  if (indentStatus === 1) {\n    while (readTagProperty(state) || readAnchorProperty(state)) {\n      if (skipSeparationSpace(state, true, -1)) {\n        atNewLine = true;\n        allowBlockCollections = allowBlockStyles;\n\n        if (state.lineIndent > parentIndent) {\n          indentStatus = 1;\n        } else if (state.lineIndent === parentIndent) {\n          indentStatus = 0;\n        } else if (state.lineIndent < parentIndent) {\n          indentStatus = -1;\n        }\n      } else {\n        allowBlockCollections = false;\n      }\n    }\n  }\n\n  if (allowBlockCollections) {\n    allowBlockCollections = atNewLine || allowCompact;\n  }\n\n  if (indentStatus === 1 || CONTEXT_BLOCK_OUT === nodeContext) {\n    if (CONTEXT_FLOW_IN === nodeContext || CONTEXT_FLOW_OUT === nodeContext) {\n      flowIndent = parentIndent;\n    } else {\n      flowIndent = parentIndent + 1;\n    }\n\n    blockIndent = state.position - state.lineStart;\n\n    if (indentStatus === 1) {\n      if (allowBlockCollections &&\n          (readBlockSequence(state, blockIndent) ||\n           readBlockMapping(state, blockIndent, flowIndent)) ||\n          readFlowCollection(state, flowIndent)) {\n        hasContent = true;\n      } else {\n        if ((allowBlockScalars && readBlockScalar(state, flowIndent)) ||\n            readSingleQuotedScalar(state, flowIndent) ||\n            readDoubleQuotedScalar(state, flowIndent)) {\n          hasContent = true;\n\n        } else if (readAlias(state)) {\n          hasContent = true;\n\n          if (state.tag !== null || state.anchor !== null) {\n            throwError(state, 'alias node should not have any properties');\n          }\n\n        } else if (readPlainScalar(state, flowIndent, CONTEXT_FLOW_IN === nodeContext)) {\n          hasContent = true;\n\n          if (state.tag === null) {\n            state.tag = '?';\n          }\n        }\n\n        if (state.anchor !== null) {\n          state.anchorMap[state.anchor] = state.result;\n        }\n      }\n    } else if (indentStatus === 0) {\n      // Special case: block sequences are allowed to have same indentation level as the parent.\n      // http://www.yaml.org/spec/1.2/spec.html#id2799784\n      hasContent = allowBlockCollections && readBlockSequence(state, blockIndent);\n    }\n  }\n\n  if (state.tag === null) {\n    if (state.anchor !== null) {\n      state.anchorMap[state.anchor] = state.result;\n    }\n\n  } else if (state.tag === '?') {\n    // Implicit resolving is not allowed for non-scalar types, and '?'\n    // non-specific tag is only automatically assigned to plain scalars.\n    //\n    // We only need to check kind conformity in case user explicitly assigns '?'\n    // tag, for example like this: \"!<?> [0]\"\n    //\n    if (state.result !== null && state.kind !== 'scalar') {\n      throwError(state, 'unacceptable node kind for !<?> tag; it should be \"scalar\", not \"' + state.kind + '\"');\n    }\n\n    for (typeIndex = 0, typeQuantity = state.implicitTypes.length; typeIndex < typeQuantity; typeIndex += 1) {\n      type = state.implicitTypes[typeIndex];\n\n      if (type.resolve(state.result)) { // `state.result` updated in resolver if matched\n        state.result = type.construct(state.result);\n        state.tag = type.tag;\n        if (state.anchor !== null) {\n          state.anchorMap[state.anchor] = state.result;\n        }\n        break;\n      }\n    }\n  } else if (state.tag !== '!') {\n    if (_hasOwnProperty$1.call(state.typeMap[state.kind || 'fallback'], state.tag)) {\n      type = state.typeMap[state.kind || 'fallback'][state.tag];\n    } else {\n      // looking for multi type\n      type = null;\n      typeList = state.typeMap.multi[state.kind || 'fallback'];\n\n      for (typeIndex = 0, typeQuantity = typeList.length; typeIndex < typeQuantity; typeIndex += 1) {\n        if (state.tag.slice(0, typeList[typeIndex].tag.length) === typeList[typeIndex].tag) {\n          type = typeList[typeIndex];\n          break;\n        }\n      }\n    }\n\n    if (!type) {\n      throwError(state, 'unknown tag !<' + state.tag + '>');\n    }\n\n    if (state.result !== null && type.kind !== state.kind) {\n      throwError(state, 'unacceptable node kind for !<' + state.tag + '> tag; it should be \"' + type.kind + '\", not \"' + state.kind + '\"');\n    }\n\n    if (!type.resolve(state.result, state.tag)) { // `state.result` updated in resolver if matched\n      throwError(state, 'cannot resolve a node with !<' + state.tag + '> explicit tag');\n    } else {\n      state.result = type.construct(state.result, state.tag);\n      if (state.anchor !== null) {\n        state.anchorMap[state.anchor] = state.result;\n      }\n    }\n  }\n\n  if (state.listener !== null) {\n    state.listener('close', state);\n  }\n  return state.tag !== null ||  state.anchor !== null || hasContent;\n}\n\nfunction readDocument(state) {\n  var documentStart = state.position,\n      _position,\n      directiveName,\n      directiveArgs,\n      hasDirectives = false,\n      ch;\n\n  state.version = null;\n  state.checkLineBreaks = state.legacy;\n  state.tagMap = Object.create(null);\n  state.anchorMap = Object.create(null);\n\n  while ((ch = state.input.charCodeAt(state.position)) !== 0) {\n    skipSeparationSpace(state, true, -1);\n\n    ch = state.input.charCodeAt(state.position);\n\n    if (state.lineIndent > 0 || ch !== 0x25/* % */) {\n      break;\n    }\n\n    hasDirectives = true;\n    ch = state.input.charCodeAt(++state.position);\n    _position = state.position;\n\n    while (ch !== 0 && !is_WS_OR_EOL(ch)) {\n      ch = state.input.charCodeAt(++state.position);\n    }\n\n    directiveName = state.input.slice(_position, state.position);\n    directiveArgs = [];\n\n    if (directiveName.length < 1) {\n      throwError(state, 'directive name must not be less than one character in length');\n    }\n\n    while (ch !== 0) {\n      while (is_WHITE_SPACE(ch)) {\n        ch = state.input.charCodeAt(++state.position);\n      }\n\n      if (ch === 0x23/* # */) {\n        do { ch = state.input.charCodeAt(++state.position); }\n        while (ch !== 0 && !is_EOL(ch));\n        break;\n      }\n\n      if (is_EOL(ch)) break;\n\n      _position = state.position;\n\n      while (ch !== 0 && !is_WS_OR_EOL(ch)) {\n        ch = state.input.charCodeAt(++state.position);\n      }\n\n      directiveArgs.push(state.input.slice(_position, state.position));\n    }\n\n    if (ch !== 0) readLineBreak(state);\n\n    if (_hasOwnProperty$1.call(directiveHandlers, directiveName)) {\n      directiveHandlers[directiveName](state, directiveName, directiveArgs);\n    } else {\n      throwWarning(state, 'unknown document directive \"' + directiveName + '\"');\n    }\n  }\n\n  skipSeparationSpace(state, true, -1);\n\n  if (state.lineIndent === 0 &&\n      state.input.charCodeAt(state.position)     === 0x2D/* - */ &&\n      state.input.charCodeAt(state.position + 1) === 0x2D/* - */ &&\n      state.input.charCodeAt(state.position + 2) === 0x2D/* - */) {\n    state.position += 3;\n    skipSeparationSpace(state, true, -1);\n\n  } else if (hasDirectives) {\n    throwError(state, 'directives end mark is expected');\n  }\n\n  composeNode(state, state.lineIndent - 1, CONTEXT_BLOCK_OUT, false, true);\n  skipSeparationSpace(state, true, -1);\n\n  if (state.checkLineBreaks &&\n      PATTERN_NON_ASCII_LINE_BREAKS.test(state.input.slice(documentStart, state.position))) {\n    throwWarning(state, 'non-ASCII line breaks are interpreted as content');\n  }\n\n  state.documents.push(state.result);\n\n  if (state.position === state.lineStart && testDocumentSeparator(state)) {\n\n    if (state.input.charCodeAt(state.position) === 0x2E/* . */) {\n      state.position += 3;\n      skipSeparationSpace(state, true, -1);\n    }\n    return;\n  }\n\n  if (state.position < (state.length - 1)) {\n    throwError(state, 'end of the stream or a document separator is expected');\n  } else {\n    return;\n  }\n}\n\n\nfunction loadDocuments(input, options) {\n  input = String(input);\n  options = options || {};\n\n  if (input.length !== 0) {\n\n    // Add tailing `\\n` if not exists\n    if (input.charCodeAt(input.length - 1) !== 0x0A/* LF */ &&\n        input.charCodeAt(input.length - 1) !== 0x0D/* CR */) {\n      input += '\\n';\n    }\n\n    // Strip BOM\n    if (input.charCodeAt(0) === 0xFEFF) {\n      input = input.slice(1);\n    }\n  }\n\n  var state = new State$1(input, options);\n\n  var nullpos = input.indexOf('\\0');\n\n  if (nullpos !== -1) {\n    state.position = nullpos;\n    throwError(state, 'null byte is not allowed in input');\n  }\n\n  // Use 0 as string terminator. That significantly simplifies bounds check.\n  state.input += '\\0';\n\n  while (state.input.charCodeAt(state.position) === 0x20/* Space */) {\n    state.lineIndent += 1;\n    state.position += 1;\n  }\n\n  while (state.position < (state.length - 1)) {\n    readDocument(state);\n  }\n\n  return state.documents;\n}\n\n\nfunction loadAll$1(input, iterator, options) {\n  if (iterator !== null && typeof iterator === 'object' && typeof options === 'undefined') {\n    options = iterator;\n    iterator = null;\n  }\n\n  var documents = loadDocuments(input, options);\n\n  if (typeof iterator !== 'function') {\n    return documents;\n  }\n\n  for (var index = 0, length = documents.length; index < length; index += 1) {\n    iterator(documents[index]);\n  }\n}\n\n\nfunction load$1(input, options) {\n  var documents = loadDocuments(input, options);\n\n  if (documents.length === 0) {\n    /*eslint-disable no-undefined*/\n    return undefined;\n  } else if (documents.length === 1) {\n    return documents[0];\n  }\n  throw new exception('expected a single document in the stream, but found more');\n}\n\n\nvar loadAll_1 = loadAll$1;\nvar load_1    = load$1;\n\nvar loader = {\n\tloadAll: loadAll_1,\n\tload: load_1\n};\n\n/*eslint-disable no-use-before-define*/\n\n\n\n\n\nvar _toString       = Object.prototype.toString;\nvar _hasOwnProperty = Object.prototype.hasOwnProperty;\n\nvar CHAR_BOM                  = 0xFEFF;\nvar CHAR_TAB                  = 0x09; /* Tab */\nvar CHAR_LINE_FEED            = 0x0A; /* LF */\nvar CHAR_CARRIAGE_RETURN      = 0x0D; /* CR */\nvar CHAR_SPACE                = 0x20; /* Space */\nvar CHAR_EXCLAMATION          = 0x21; /* ! */\nvar CHAR_DOUBLE_QUOTE         = 0x22; /* \" */\nvar CHAR_SHARP                = 0x23; /* # */\nvar CHAR_PERCENT              = 0x25; /* % */\nvar CHAR_AMPERSAND            = 0x26; /* & */\nvar CHAR_SINGLE_QUOTE         = 0x27; /* ' */\nvar CHAR_ASTERISK             = 0x2A; /* * */\nvar CHAR_COMMA                = 0x2C; /* , */\nvar CHAR_MINUS                = 0x2D; /* - */\nvar CHAR_COLON                = 0x3A; /* : */\nvar CHAR_EQUALS               = 0x3D; /* = */\nvar CHAR_GREATER_THAN         = 0x3E; /* > */\nvar CHAR_QUESTION             = 0x3F; /* ? */\nvar CHAR_COMMERCIAL_AT        = 0x40; /* @ */\nvar CHAR_LEFT_SQUARE_BRACKET  = 0x5B; /* [ */\nvar CHAR_RIGHT_SQUARE_BRACKET = 0x5D; /* ] */\nvar CHAR_GRAVE_ACCENT         = 0x60; /* ` */\nvar CHAR_LEFT_CURLY_BRACKET   = 0x7B; /* { */\nvar CHAR_VERTICAL_LINE        = 0x7C; /* | */\nvar CHAR_RIGHT_CURLY_BRACKET  = 0x7D; /* } */\n\nvar ESCAPE_SEQUENCES = {};\n\nESCAPE_SEQUENCES[0x00]   = '\\\\0';\nESCAPE_SEQUENCES[0x07]   = '\\\\a';\nESCAPE_SEQUENCES[0x08]   = '\\\\b';\nESCAPE_SEQUENCES[0x09]   = '\\\\t';\nESCAPE_SEQUENCES[0x0A]   = '\\\\n';\nESCAPE_SEQUENCES[0x0B]   = '\\\\v';\nESCAPE_SEQUENCES[0x0C]   = '\\\\f';\nESCAPE_SEQUENCES[0x0D]   = '\\\\r';\nESCAPE_SEQUENCES[0x1B]   = '\\\\e';\nESCAPE_SEQUENCES[0x22]   = '\\\\\"';\nESCAPE_SEQUENCES[0x5C]   = '\\\\\\\\';\nESCAPE_SEQUENCES[0x85]   = '\\\\N';\nESCAPE_SEQUENCES[0xA0]   = '\\\\_';\nESCAPE_SEQUENCES[0x2028] = '\\\\L';\nESCAPE_SEQUENCES[0x2029] = '\\\\P';\n\nvar DEPRECATED_BOOLEANS_SYNTAX = [\n  'y', 'Y', 'yes', 'Yes', 'YES', 'on', 'On', 'ON',\n  'n', 'N', 'no', 'No', 'NO', 'off', 'Off', 'OFF'\n];\n\nvar DEPRECATED_BASE60_SYNTAX = /^[-+]?[0-9_]+(?::[0-9_]+)+(?:\\.[0-9_]*)?$/;\n\nfunction compileStyleMap(schema, map) {\n  var result, keys, index, length, tag, style, type;\n\n  if (map === null) return {};\n\n  result = {};\n  keys = Object.keys(map);\n\n  for (index = 0, length = keys.length; index < length; index += 1) {\n    tag = keys[index];\n    style = String(map[tag]);\n\n    if (tag.slice(0, 2) === '!!') {\n      tag = 'tag:yaml.org,2002:' + tag.slice(2);\n    }\n    type = schema.compiledTypeMap['fallback'][tag];\n\n    if (type && _hasOwnProperty.call(type.styleAliases, style)) {\n      style = type.styleAliases[style];\n    }\n\n    result[tag] = style;\n  }\n\n  return result;\n}\n\nfunction encodeHex(character) {\n  var string, handle, length;\n\n  string = character.toString(16).toUpperCase();\n\n  if (character <= 0xFF) {\n    handle = 'x';\n    length = 2;\n  } else if (character <= 0xFFFF) {\n    handle = 'u';\n    length = 4;\n  } else if (character <= 0xFFFFFFFF) {\n    handle = 'U';\n    length = 8;\n  } else {\n    throw new exception('code point within a string may not be greater than 0xFFFFFFFF');\n  }\n\n  return '\\\\' + handle + common.repeat('0', length - string.length) + string;\n}\n\n\nvar QUOTING_TYPE_SINGLE = 1,\n    QUOTING_TYPE_DOUBLE = 2;\n\nfunction State(options) {\n  this.schema        = options['schema'] || _default;\n  this.indent        = Math.max(1, (options['indent'] || 2));\n  this.noArrayIndent = options['noArrayIndent'] || false;\n  this.skipInvalid   = options['skipInvalid'] || false;\n  this.flowLevel     = (common.isNothing(options['flowLevel']) ? -1 : options['flowLevel']);\n  this.styleMap      = compileStyleMap(this.schema, options['styles'] || null);\n  this.sortKeys      = options['sortKeys'] || false;\n  this.lineWidth     = options['lineWidth'] || 80;\n  this.noRefs        = options['noRefs'] || false;\n  this.noCompatMode  = options['noCompatMode'] || false;\n  this.condenseFlow  = options['condenseFlow'] || false;\n  this.quotingType   = options['quotingType'] === '\"' ? QUOTING_TYPE_DOUBLE : QUOTING_TYPE_SINGLE;\n  this.forceQuotes   = options['forceQuotes'] || false;\n  this.replacer      = typeof options['replacer'] === 'function' ? options['replacer'] : null;\n\n  this.implicitTypes = this.schema.compiledImplicit;\n  this.explicitTypes = this.schema.compiledExplicit;\n\n  this.tag = null;\n  this.result = '';\n\n  this.duplicates = [];\n  this.usedDuplicates = null;\n}\n\n// Indents every line in a string. Empty lines (\\n only) are not indented.\nfunction indentString(string, spaces) {\n  var ind = common.repeat(' ', spaces),\n      position = 0,\n      next = -1,\n      result = '',\n      line,\n      length = string.length;\n\n  while (position < length) {\n    next = string.indexOf('\\n', position);\n    if (next === -1) {\n      line = string.slice(position);\n      position = length;\n    } else {\n      line = string.slice(position, next + 1);\n      position = next + 1;\n    }\n\n    if (line.length && line !== '\\n') result += ind;\n\n    result += line;\n  }\n\n  return result;\n}\n\nfunction generateNextLine(state, level) {\n  return '\\n' + common.repeat(' ', state.indent * level);\n}\n\nfunction testImplicitResolving(state, str) {\n  var index, length, type;\n\n  for (index = 0, length = state.implicitTypes.length; index < length; index += 1) {\n    type = state.implicitTypes[index];\n\n    if (type.resolve(str)) {\n      return true;\n    }\n  }\n\n  return false;\n}\n\n// [33] s-white ::= s-space | s-tab\nfunction isWhitespace(c) {\n  return c === CHAR_SPACE || c === CHAR_TAB;\n}\n\n// Returns true if the character can be printed without escaping.\n// From YAML 1.2: \"any allowed characters known to be non-printable\n// should also be escaped. [However,] This isn\u2019t mandatory\"\n// Derived from nb-char - \\t - #x85 - #xA0 - #x2028 - #x2029.\nfunction isPrintable(c) {\n  return  (0x00020 <= c && c <= 0x00007E)\n      || ((0x000A1 <= c && c <= 0x00D7FF) && c !== 0x2028 && c !== 0x2029)\n      || ((0x0E000 <= c && c <= 0x00FFFD) && c !== CHAR_BOM)\n      ||  (0x10000 <= c && c <= 0x10FFFF);\n}\n\n// [34] ns-char ::= nb-char - s-white\n// [27] nb-char ::= c-printable - b-char - c-byte-order-mark\n// [26] b-char  ::= b-line-feed | b-carriage-return\n// Including s-white (for some reason, examples doesn't match specs in this aspect)\n// ns-char ::= c-printable - b-line-feed - b-carriage-return - c-byte-order-mark\nfunction isNsCharOrWhitespace(c) {\n  return isPrintable(c)\n    && c !== CHAR_BOM\n    // - b-char\n    && c !== CHAR_CARRIAGE_RETURN\n    && c !== CHAR_LINE_FEED;\n}\n\n// [127]  ns-plain-safe(c) ::= c = flow-out  \u21D2 ns-plain-safe-out\n//                             c = flow-in   \u21D2 ns-plain-safe-in\n//                             c = block-key \u21D2 ns-plain-safe-out\n//                             c = flow-key  \u21D2 ns-plain-safe-in\n// [128] ns-plain-safe-out ::= ns-char\n// [129]  ns-plain-safe-in ::= ns-char - c-flow-indicator\n// [130]  ns-plain-char(c) ::=  ( ns-plain-safe(c) - \u201C:\u201D - \u201C#\u201D )\n//                            | ( /* An ns-char preceding */ \u201C#\u201D )\n//                            | ( \u201C:\u201D /* Followed by an ns-plain-safe(c) */ )\nfunction isPlainSafe(c, prev, inblock) {\n  var cIsNsCharOrWhitespace = isNsCharOrWhitespace(c);\n  var cIsNsChar = cIsNsCharOrWhitespace && !isWhitespace(c);\n  return (\n    // ns-plain-safe\n    inblock ? // c = flow-in\n      cIsNsCharOrWhitespace\n      : cIsNsCharOrWhitespace\n        // - c-flow-indicator\n        && c !== CHAR_COMMA\n        && c !== CHAR_LEFT_SQUARE_BRACKET\n        && c !== CHAR_RIGHT_SQUARE_BRACKET\n        && c !== CHAR_LEFT_CURLY_BRACKET\n        && c !== CHAR_RIGHT_CURLY_BRACKET\n  )\n    // ns-plain-char\n    && c !== CHAR_SHARP // false on '#'\n    && !(prev === CHAR_COLON && !cIsNsChar) // false on ': '\n    || (isNsCharOrWhitespace(prev) && !isWhitespace(prev) && c === CHAR_SHARP) // change to true on '[^ ]#'\n    || (prev === CHAR_COLON && cIsNsChar); // change to true on ':[^ ]'\n}\n\n// Simplified test for values allowed as the first character in plain style.\nfunction isPlainSafeFirst(c) {\n  // Uses a subset of ns-char - c-indicator\n  // where ns-char = nb-char - s-white.\n  // No support of ( ( \u201C?\u201D | \u201C:\u201D | \u201C-\u201D ) /* Followed by an ns-plain-safe(c)) */ ) part\n  return isPrintable(c) && c !== CHAR_BOM\n    && !isWhitespace(c) // - s-white\n    // - (c-indicator ::=\n    // \u201C-\u201D | \u201C?\u201D | \u201C:\u201D | \u201C,\u201D | \u201C[\u201D | \u201C]\u201D | \u201C{\u201D | \u201C}\u201D\n    && c !== CHAR_MINUS\n    && c !== CHAR_QUESTION\n    && c !== CHAR_COLON\n    && c !== CHAR_COMMA\n    && c !== CHAR_LEFT_SQUARE_BRACKET\n    && c !== CHAR_RIGHT_SQUARE_BRACKET\n    && c !== CHAR_LEFT_CURLY_BRACKET\n    && c !== CHAR_RIGHT_CURLY_BRACKET\n    // | \u201C#\u201D | \u201C&\u201D | \u201C*\u201D | \u201C!\u201D | \u201C|\u201D | \u201C=\u201D | \u201C>\u201D | \u201C'\u201D | \u201C\"\u201D\n    && c !== CHAR_SHARP\n    && c !== CHAR_AMPERSAND\n    && c !== CHAR_ASTERISK\n    && c !== CHAR_EXCLAMATION\n    && c !== CHAR_VERTICAL_LINE\n    && c !== CHAR_EQUALS\n    && c !== CHAR_GREATER_THAN\n    && c !== CHAR_SINGLE_QUOTE\n    && c !== CHAR_DOUBLE_QUOTE\n    // | \u201C%\u201D | \u201C@\u201D | \u201C`\u201D)\n    && c !== CHAR_PERCENT\n    && c !== CHAR_COMMERCIAL_AT\n    && c !== CHAR_GRAVE_ACCENT;\n}\n\n// Simplified test for values allowed as the last character in plain style.\nfunction isPlainSafeLast(c) {\n  // just not whitespace or colon, it will be checked to be plain character later\n  return !isWhitespace(c) && c !== CHAR_COLON;\n}\n\n// Same as 'string'.codePointAt(pos), but works in older browsers.\nfunction codePointAt(string, pos) {\n  var first = string.charCodeAt(pos), second;\n  if (first >= 0xD800 && first <= 0xDBFF && pos + 1 < string.length) {\n    second = string.charCodeAt(pos + 1);\n    if (second >= 0xDC00 && second <= 0xDFFF) {\n      // https://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae\n      return (first - 0xD800) * 0x400 + second - 0xDC00 + 0x10000;\n    }\n  }\n  return first;\n}\n\n// Determines whether block indentation indicator is required.\nfunction needIndentIndicator(string) {\n  var leadingSpaceRe = /^\\n* /;\n  return leadingSpaceRe.test(string);\n}\n\nvar STYLE_PLAIN   = 1,\n    STYLE_SINGLE  = 2,\n    STYLE_LITERAL = 3,\n    STYLE_FOLDED  = 4,\n    STYLE_DOUBLE  = 5;\n\n// Determines which scalar styles are possible and returns the preferred style.\n// lineWidth = -1 => no limit.\n// Pre-conditions: str.length > 0.\n// Post-conditions:\n//    STYLE_PLAIN or STYLE_SINGLE => no \\n are in the string.\n//    STYLE_LITERAL => no lines are suitable for folding (or lineWidth is -1).\n//    STYLE_FOLDED => a line > lineWidth and can be folded (and lineWidth != -1).\nfunction chooseScalarStyle(string, singleLineOnly, indentPerLevel, lineWidth,\n  testAmbiguousType, quotingType, forceQuotes, inblock) {\n\n  var i;\n  var char = 0;\n  var prevChar = null;\n  var hasLineBreak = false;\n  var hasFoldableLine = false; // only checked if shouldTrackWidth\n  var shouldTrackWidth = lineWidth !== -1;\n  var previousLineBreak = -1; // count the first line correctly\n  var plain = isPlainSafeFirst(codePointAt(string, 0))\n          && isPlainSafeLast(codePointAt(string, string.length - 1));\n\n  if (singleLineOnly || forceQuotes) {\n    // Case: no block styles.\n    // Check for disallowed characters to rule out plain and single.\n    for (i = 0; i < string.length; char >= 0x10000 ? i += 2 : i++) {\n      char = codePointAt(string, i);\n      if (!isPrintable(char)) {\n        return STYLE_DOUBLE;\n      }\n      plain = plain && isPlainSafe(char, prevChar, inblock);\n      prevChar = char;\n    }\n  } else {\n    // Case: block styles permitted.\n    for (i = 0; i < string.length; char >= 0x10000 ? i += 2 : i++) {\n      char = codePointAt(string, i);\n      if (char === CHAR_LINE_FEED) {\n        hasLineBreak = true;\n        // Check if any line can be folded.\n        if (shouldTrackWidth) {\n          hasFoldableLine = hasFoldableLine ||\n            // Foldable line = too long, and not more-indented.\n            (i - previousLineBreak - 1 > lineWidth &&\n             string[previousLineBreak + 1] !== ' ');\n          previousLineBreak = i;\n        }\n      } else if (!isPrintable(char)) {\n        return STYLE_DOUBLE;\n      }\n      plain = plain && isPlainSafe(char, prevChar, inblock);\n      prevChar = char;\n    }\n    // in case the end is missing a \\n\n    hasFoldableLine = hasFoldableLine || (shouldTrackWidth &&\n      (i - previousLineBreak - 1 > lineWidth &&\n       string[previousLineBreak + 1] !== ' '));\n  }\n  // Although every style can represent \\n without escaping, prefer block styles\n  // for multiline, since they're more readable and they don't add empty lines.\n  // Also prefer folding a super-long line.\n  if (!hasLineBreak && !hasFoldableLine) {\n    // Strings interpretable as another type have to be quoted;\n    // e.g. the string 'true' vs. the boolean true.\n    if (plain && !forceQuotes && !testAmbiguousType(string)) {\n      return STYLE_PLAIN;\n    }\n    return quotingType === QUOTING_TYPE_DOUBLE ? STYLE_DOUBLE : STYLE_SINGLE;\n  }\n  // Edge case: block indentation indicator can only have one digit.\n  if (indentPerLevel > 9 && needIndentIndicator(string)) {\n    return STYLE_DOUBLE;\n  }\n  // At this point we know block styles are valid.\n  // Prefer literal style unless we want to fold.\n  if (!forceQuotes) {\n    return hasFoldableLine ? STYLE_FOLDED : STYLE_LITERAL;\n  }\n  return quotingType === QUOTING_TYPE_DOUBLE ? STYLE_DOUBLE : STYLE_SINGLE;\n}\n\n// Note: line breaking/folding is implemented for only the folded style.\n// NB. We drop the last trailing newline (if any) of a returned block scalar\n//  since the dumper adds its own newline. This always works:\n//    \u2022 No ending newline => unaffected; already using strip \"-\" chomping.\n//    \u2022 Ending newline    => removed then restored.\n//  Importantly, this keeps the \"+\" chomp indicator from gaining an extra line.\nfunction writeScalar(state, string, level, iskey, inblock) {\n  state.dump = (function () {\n    if (string.length === 0) {\n      return state.quotingType === QUOTING_TYPE_DOUBLE ? '\"\"' : \"''\";\n    }\n    if (!state.noCompatMode) {\n      if (DEPRECATED_BOOLEANS_SYNTAX.indexOf(string) !== -1 || DEPRECATED_BASE60_SYNTAX.test(string)) {\n        return state.quotingType === QUOTING_TYPE_DOUBLE ? ('\"' + string + '\"') : (\"'\" + string + \"'\");\n      }\n    }\n\n    var indent = state.indent * Math.max(1, level); // no 0-indent scalars\n    // As indentation gets deeper, let the width decrease monotonically\n    // to the lower bound min(state.lineWidth, 40).\n    // Note that this implies\n    //  state.lineWidth \u2264 40 + state.indent: width is fixed at the lower bound.\n    //  state.lineWidth > 40 + state.indent: width decreases until the lower bound.\n    // This behaves better than a constant minimum width which disallows narrower options,\n    // or an indent threshold which causes the width to suddenly increase.\n    var lineWidth = state.lineWidth === -1\n      ? -1 : Math.max(Math.min(state.lineWidth, 40), state.lineWidth - indent);\n\n    // Without knowing if keys are implicit/explicit, assume implicit for safety.\n    var singleLineOnly = iskey\n      // No block styles in flow mode.\n      || (state.flowLevel > -1 && level >= state.flowLevel);\n    function testAmbiguity(string) {\n      return testImplicitResolving(state, string);\n    }\n\n    switch (chooseScalarStyle(string, singleLineOnly, state.indent, lineWidth,\n      testAmbiguity, state.quotingType, state.forceQuotes && !iskey, inblock)) {\n\n      case STYLE_PLAIN:\n        return string;\n      case STYLE_SINGLE:\n        return \"'\" + string.replace(/'/g, \"''\") + \"'\";\n      case STYLE_LITERAL:\n        return '|' + blockHeader(string, state.indent)\n          + dropEndingNewline(indentString(string, indent));\n      case STYLE_FOLDED:\n        return '>' + blockHeader(string, state.indent)\n          + dropEndingNewline(indentString(foldString(string, lineWidth), indent));\n      case STYLE_DOUBLE:\n        return '\"' + escapeString(string) + '\"';\n      default:\n        throw new exception('impossible error: invalid scalar style');\n    }\n  }());\n}\n\n// Pre-conditions: string is valid for a block scalar, 1 <= indentPerLevel <= 9.\nfunction blockHeader(string, indentPerLevel) {\n  var indentIndicator = needIndentIndicator(string) ? String(indentPerLevel) : '';\n\n  // note the special case: the string '\\n' counts as a \"trailing\" empty line.\n  var clip =          string[string.length - 1] === '\\n';\n  var keep = clip && (string[string.length - 2] === '\\n' || string === '\\n');\n  var chomp = keep ? '+' : (clip ? '' : '-');\n\n  return indentIndicator + chomp + '\\n';\n}\n\n// (See the note for writeScalar.)\nfunction dropEndingNewline(string) {\n  return string[string.length - 1] === '\\n' ? string.slice(0, -1) : string;\n}\n\n// Note: a long line without a suitable break point will exceed the width limit.\n// Pre-conditions: every char in str isPrintable, str.length > 0, width > 0.\nfunction foldString(string, width) {\n  // In folded style, $k$ consecutive newlines output as $k+1$ newlines\u2014\n  // unless they're before or after a more-indented line, or at the very\n  // beginning or end, in which case $k$ maps to $k$.\n  // Therefore, parse each chunk as newline(s) followed by a content line.\n  var lineRe = /(\\n+)([^\\n]*)/g;\n\n  // first line (possibly an empty line)\n  var result = (function () {\n    var nextLF = string.indexOf('\\n');\n    nextLF = nextLF !== -1 ? nextLF : string.length;\n    lineRe.lastIndex = nextLF;\n    return foldLine(string.slice(0, nextLF), width);\n  }());\n  // If we haven't reached the first content line yet, don't add an extra \\n.\n  var prevMoreIndented = string[0] === '\\n' || string[0] === ' ';\n  var moreIndented;\n\n  // rest of the lines\n  var match;\n  while ((match = lineRe.exec(string))) {\n    var prefix = match[1], line = match[2];\n    moreIndented = (line[0] === ' ');\n    result += prefix\n      + (!prevMoreIndented && !moreIndented && line !== ''\n        ? '\\n' : '')\n      + foldLine(line, width);\n    prevMoreIndented = moreIndented;\n  }\n\n  return result;\n}\n\n// Greedy line breaking.\n// Picks the longest line under the limit each time,\n// otherwise settles for the shortest line over the limit.\n// NB. More-indented lines *cannot* be folded, as that would add an extra \\n.\nfunction foldLine(line, width) {\n  if (line === '' || line[0] === ' ') return line;\n\n  // Since a more-indented line adds a \\n, breaks can't be followed by a space.\n  var breakRe = / [^ ]/g; // note: the match index will always be <= length-2.\n  var match;\n  // start is an inclusive index. end, curr, and next are exclusive.\n  var start = 0, end, curr = 0, next = 0;\n  var result = '';\n\n  // Invariants: 0 <= start <= length-1.\n  //   0 <= curr <= next <= max(0, length-2). curr - start <= width.\n  // Inside the loop:\n  //   A match implies length >= 2, so curr and next are <= length-2.\n  while ((match = breakRe.exec(line))) {\n    next = match.index;\n    // maintain invariant: curr - start <= width\n    if (next - start > width) {\n      end = (curr > start) ? curr : next; // derive end <= length-2\n      result += '\\n' + line.slice(start, end);\n      // skip the space that was output as \\n\n      start = end + 1;                    // derive start <= length-1\n    }\n    curr = next;\n  }\n\n  // By the invariants, start <= length-1, so there is something left over.\n  // It is either the whole string or a part starting from non-whitespace.\n  result += '\\n';\n  // Insert a break if the remainder is too long and there is a break available.\n  if (line.length - start > width && curr > start) {\n    result += line.slice(start, curr) + '\\n' + line.slice(curr + 1);\n  } else {\n    result += line.slice(start);\n  }\n\n  return result.slice(1); // drop extra \\n joiner\n}\n\n// Escapes a double-quoted string.\nfunction escapeString(string) {\n  var result = '';\n  var char = 0;\n  var escapeSeq;\n\n  for (var i = 0; i < string.length; char >= 0x10000 ? i += 2 : i++) {\n    char = codePointAt(string, i);\n    escapeSeq = ESCAPE_SEQUENCES[char];\n\n    if (!escapeSeq && isPrintable(char)) {\n      result += string[i];\n      if (char >= 0x10000) result += string[i + 1];\n    } else {\n      result += escapeSeq || encodeHex(char);\n    }\n  }\n\n  return result;\n}\n\nfunction writeFlowSequence(state, level, object) {\n  var _result = '',\n      _tag    = state.tag,\n      index,\n      length,\n      value;\n\n  for (index = 0, length = object.length; index < length; index += 1) {\n    value = object[index];\n\n    if (state.replacer) {\n      value = state.replacer.call(object, String(index), value);\n    }\n\n    // Write only valid elements, put null instead of invalid elements.\n    if (writeNode(state, level, value, false, false) ||\n        (typeof value === 'undefined' &&\n         writeNode(state, level, null, false, false))) {\n\n      if (_result !== '') _result += ',' + (!state.condenseFlow ? ' ' : '');\n      _result += state.dump;\n    }\n  }\n\n  state.tag = _tag;\n  state.dump = '[' + _result + ']';\n}\n\nfunction writeBlockSequence(state, level, object, compact) {\n  var _result = '',\n      _tag    = state.tag,\n      index,\n      length,\n      value;\n\n  for (index = 0, length = object.length; index < length; index += 1) {\n    value = object[index];\n\n    if (state.replacer) {\n      value = state.replacer.call(object, String(index), value);\n    }\n\n    // Write only valid elements, put null instead of invalid elements.\n    if (writeNode(state, level + 1, value, true, true, false, true) ||\n        (typeof value === 'undefined' &&\n         writeNode(state, level + 1, null, true, true, false, true))) {\n\n      if (!compact || _result !== '') {\n        _result += generateNextLine(state, level);\n      }\n\n      if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) {\n        _result += '-';\n      } else {\n        _result += '- ';\n      }\n\n      _result += state.dump;\n    }\n  }\n\n  state.tag = _tag;\n  state.dump = _result || '[]'; // Empty sequence if no valid values.\n}\n\nfunction writeFlowMapping(state, level, object) {\n  var _result       = '',\n      _tag          = state.tag,\n      objectKeyList = Object.keys(object),\n      index,\n      length,\n      objectKey,\n      objectValue,\n      pairBuffer;\n\n  for (index = 0, length = objectKeyList.length; index < length; index += 1) {\n\n    pairBuffer = '';\n    if (_result !== '') pairBuffer += ', ';\n\n    if (state.condenseFlow) pairBuffer += '\"';\n\n    objectKey = objectKeyList[index];\n    objectValue = object[objectKey];\n\n    if (state.replacer) {\n      objectValue = state.replacer.call(object, objectKey, objectValue);\n    }\n\n    if (!writeNode(state, level, objectKey, false, false)) {\n      continue; // Skip this pair because of invalid key;\n    }\n\n    if (state.dump.length > 1024) pairBuffer += '? ';\n\n    pairBuffer += state.dump + (state.condenseFlow ? '\"' : '') + ':' + (state.condenseFlow ? '' : ' ');\n\n    if (!writeNode(state, level, objectValue, false, false)) {\n      continue; // Skip this pair because of invalid value.\n    }\n\n    pairBuffer += state.dump;\n\n    // Both key and value are valid.\n    _result += pairBuffer;\n  }\n\n  state.tag = _tag;\n  state.dump = '{' + _result + '}';\n}\n\nfunction writeBlockMapping(state, level, object, compact) {\n  var _result       = '',\n      _tag          = state.tag,\n      objectKeyList = Object.keys(object),\n      index,\n      length,\n      objectKey,\n      objectValue,\n      explicitPair,\n      pairBuffer;\n\n  // Allow sorting keys so that the output file is deterministic\n  if (state.sortKeys === true) {\n    // Default sorting\n    objectKeyList.sort();\n  } else if (typeof state.sortKeys === 'function') {\n    // Custom sort function\n    objectKeyList.sort(state.sortKeys);\n  } else if (state.sortKeys) {\n    // Something is wrong\n    throw new exception('sortKeys must be a boolean or a function');\n  }\n\n  for (index = 0, length = objectKeyList.length; index < length; index += 1) {\n    pairBuffer = '';\n\n    if (!compact || _result !== '') {\n      pairBuffer += generateNextLine(state, level);\n    }\n\n    objectKey = objectKeyList[index];\n    objectValue = object[objectKey];\n\n    if (state.replacer) {\n      objectValue = state.replacer.call(object, objectKey, objectValue);\n    }\n\n    if (!writeNode(state, level + 1, objectKey, true, true, true)) {\n      continue; // Skip this pair because of invalid key.\n    }\n\n    explicitPair = (state.tag !== null && state.tag !== '?') ||\n                   (state.dump && state.dump.length > 1024);\n\n    if (explicitPair) {\n      if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) {\n        pairBuffer += '?';\n      } else {\n        pairBuffer += '? ';\n      }\n    }\n\n    pairBuffer += state.dump;\n\n    if (explicitPair) {\n      pairBuffer += generateNextLine(state, level);\n    }\n\n    if (!writeNode(state, level + 1, objectValue, true, explicitPair)) {\n      continue; // Skip this pair because of invalid value.\n    }\n\n    if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) {\n      pairBuffer += ':';\n    } else {\n      pairBuffer += ': ';\n    }\n\n    pairBuffer += state.dump;\n\n    // Both key and value are valid.\n    _result += pairBuffer;\n  }\n\n  state.tag = _tag;\n  state.dump = _result || '{}'; // Empty mapping if no valid pairs.\n}\n\nfunction detectType(state, object, explicit) {\n  var _result, typeList, index, length, type, style;\n\n  typeList = explicit ? state.explicitTypes : state.implicitTypes;\n\n  for (index = 0, length = typeList.length; index < length; index += 1) {\n    type = typeList[index];\n\n    if ((type.instanceOf  || type.predicate) &&\n        (!type.instanceOf || ((typeof object === 'object') && (object instanceof type.instanceOf))) &&\n        (!type.predicate  || type.predicate(object))) {\n\n      if (explicit) {\n        if (type.multi && type.representName) {\n          state.tag = type.representName(object);\n        } else {\n          state.tag = type.tag;\n        }\n      } else {\n        state.tag = '?';\n      }\n\n      if (type.represent) {\n        style = state.styleMap[type.tag] || type.defaultStyle;\n\n        if (_toString.call(type.represent) === '[object Function]') {\n          _result = type.represent(object, style);\n        } else if (_hasOwnProperty.call(type.represent, style)) {\n          _result = type.represent[style](object, style);\n        } else {\n          throw new exception('!<' + type.tag + '> tag resolver accepts not \"' + style + '\" style');\n        }\n\n        state.dump = _result;\n      }\n\n      return true;\n    }\n  }\n\n  return false;\n}\n\n// Serializes `object` and writes it to global `result`.\n// Returns true on success, or false on invalid object.\n//\nfunction writeNode(state, level, object, block, compact, iskey, isblockseq) {\n  state.tag = null;\n  state.dump = object;\n\n  if (!detectType(state, object, false)) {\n    detectType(state, object, true);\n  }\n\n  var type = _toString.call(state.dump);\n  var inblock = block;\n  var tagStr;\n\n  if (block) {\n    block = (state.flowLevel < 0 || state.flowLevel > level);\n  }\n\n  var objectOrArray = type === '[object Object]' || type === '[object Array]',\n      duplicateIndex,\n      duplicate;\n\n  if (objectOrArray) {\n    duplicateIndex = state.duplicates.indexOf(object);\n    duplicate = duplicateIndex !== -1;\n  }\n\n  if ((state.tag !== null && state.tag !== '?') || duplicate || (state.indent !== 2 && level > 0)) {\n    compact = false;\n  }\n\n  if (duplicate && state.usedDuplicates[duplicateIndex]) {\n    state.dump = '*ref_' + duplicateIndex;\n  } else {\n    if (objectOrArray && duplicate && !state.usedDuplicates[duplicateIndex]) {\n      state.usedDuplicates[duplicateIndex] = true;\n    }\n    if (type === '[object Object]') {\n      if (block && (Object.keys(state.dump).length !== 0)) {\n        writeBlockMapping(state, level, state.dump, compact);\n        if (duplicate) {\n          state.dump = '&ref_' + duplicateIndex + state.dump;\n        }\n      } else {\n        writeFlowMapping(state, level, state.dump);\n        if (duplicate) {\n          state.dump = '&ref_' + duplicateIndex + ' ' + state.dump;\n        }\n      }\n    } else if (type === '[object Array]') {\n      if (block && (state.dump.length !== 0)) {\n        if (state.noArrayIndent && !isblockseq && level > 0) {\n          writeBlockSequence(state, level - 1, state.dump, compact);\n        } else {\n          writeBlockSequence(state, level, state.dump, compact);\n        }\n        if (duplicate) {\n          state.dump = '&ref_' + duplicateIndex + state.dump;\n        }\n      } else {\n        writeFlowSequence(state, level, state.dump);\n        if (duplicate) {\n          state.dump = '&ref_' + duplicateIndex + ' ' + state.dump;\n        }\n      }\n    } else if (type === '[object String]') {\n      if (state.tag !== '?') {\n        writeScalar(state, state.dump, level, iskey, inblock);\n      }\n    } else if (type === '[object Undefined]') {\n      return false;\n    } else {\n      if (state.skipInvalid) return false;\n      throw new exception('unacceptable kind of an object to dump ' + type);\n    }\n\n    if (state.tag !== null && state.tag !== '?') {\n      // Need to encode all characters except those allowed by the spec:\n      //\n      // [35] ns-dec-digit    ::=  [#x30-#x39] /* 0-9 */\n      // [36] ns-hex-digit    ::=  ns-dec-digit\n      //                         | [#x41-#x46] /* A-F */ | [#x61-#x66] /* a-f */\n      // [37] ns-ascii-letter ::=  [#x41-#x5A] /* A-Z */ | [#x61-#x7A] /* a-z */\n      // [38] ns-word-char    ::=  ns-dec-digit | ns-ascii-letter | \u201C-\u201D\n      // [39] ns-uri-char     ::=  \u201C%\u201D ns-hex-digit ns-hex-digit | ns-word-char | \u201C#\u201D\n      //                         | \u201C;\u201D | \u201C/\u201D | \u201C?\u201D | \u201C:\u201D | \u201C@\u201D | \u201C&\u201D | \u201C=\u201D | \u201C+\u201D | \u201C$\u201D | \u201C,\u201D\n      //                         | \u201C_\u201D | \u201C.\u201D | \u201C!\u201D | \u201C~\u201D | \u201C*\u201D | \u201C'\u201D | \u201C(\u201D | \u201C)\u201D | \u201C[\u201D | \u201C]\u201D\n      //\n      // Also need to encode '!' because it has special meaning (end of tag prefix).\n      //\n      tagStr = encodeURI(\n        state.tag[0] === '!' ? state.tag.slice(1) : state.tag\n      ).replace(/!/g, '%21');\n\n      if (state.tag[0] === '!') {\n        tagStr = '!' + tagStr;\n      } else if (tagStr.slice(0, 18) === 'tag:yaml.org,2002:') {\n        tagStr = '!!' + tagStr.slice(18);\n      } else {\n        tagStr = '!<' + tagStr + '>';\n      }\n\n      state.dump = tagStr + ' ' + state.dump;\n    }\n  }\n\n  return true;\n}\n\nfunction getDuplicateReferences(object, state) {\n  var objects = [],\n      duplicatesIndexes = [],\n      index,\n      length;\n\n  inspectNode(object, objects, duplicatesIndexes);\n\n  for (index = 0, length = duplicatesIndexes.length; index < length; index += 1) {\n    state.duplicates.push(objects[duplicatesIndexes[index]]);\n  }\n  state.usedDuplicates = new Array(length);\n}\n\nfunction inspectNode(object, objects, duplicatesIndexes) {\n  var objectKeyList,\n      index,\n      length;\n\n  if (object !== null && typeof object === 'object') {\n    index = objects.indexOf(object);\n    if (index !== -1) {\n      if (duplicatesIndexes.indexOf(index) === -1) {\n        duplicatesIndexes.push(index);\n      }\n    } else {\n      objects.push(object);\n\n      if (Array.isArray(object)) {\n        for (index = 0, length = object.length; index < length; index += 1) {\n          inspectNode(object[index], objects, duplicatesIndexes);\n        }\n      } else {\n        objectKeyList = Object.keys(object);\n\n        for (index = 0, length = objectKeyList.length; index < length; index += 1) {\n          inspectNode(object[objectKeyList[index]], objects, duplicatesIndexes);\n        }\n      }\n    }\n  }\n}\n\nfunction dump$1(input, options) {\n  options = options || {};\n\n  var state = new State(options);\n\n  if (!state.noRefs) getDuplicateReferences(input, state);\n\n  var value = input;\n\n  if (state.replacer) {\n    value = state.replacer.call({ '': value }, '', value);\n  }\n\n  if (writeNode(state, 0, value, true, true)) return state.dump + '\\n';\n\n  return '';\n}\n\nvar dump_1 = dump$1;\n\nvar dumper = {\n\tdump: dump_1\n};\n\nfunction renamed(from, to) {\n  return function () {\n    throw new Error('Function yaml.' + from + ' is removed in js-yaml 4. ' +\n      'Use yaml.' + to + ' instead, which is now safe by default.');\n  };\n}\n\n\nvar Type                = type;\nvar Schema              = schema;\nvar FAILSAFE_SCHEMA     = failsafe;\nvar JSON_SCHEMA         = json;\nvar CORE_SCHEMA         = core;\nvar DEFAULT_SCHEMA      = _default;\nvar load                = loader.load;\nvar loadAll             = loader.loadAll;\nvar dump                = dumper.dump;\nvar YAMLException       = exception;\n\n// Re-export all types in case user wants to create custom schema\nvar types = {\n  binary:    binary,\n  float:     float,\n  map:       map,\n  null:      _null,\n  pairs:     pairs,\n  set:       set,\n  timestamp: timestamp,\n  bool:      bool,\n  int:       int,\n  merge:     merge,\n  omap:      omap,\n  seq:       seq,\n  str:       str\n};\n\n// Removed functions from JS-YAML 3.0.x\nvar safeLoad            = renamed('safeLoad', 'load');\nvar safeLoadAll         = renamed('safeLoadAll', 'loadAll');\nvar safeDump            = renamed('safeDump', 'dump');\n\nvar jsYaml = {\n\tType: Type,\n\tSchema: Schema,\n\tFAILSAFE_SCHEMA: FAILSAFE_SCHEMA,\n\tJSON_SCHEMA: JSON_SCHEMA,\n\tCORE_SCHEMA: CORE_SCHEMA,\n\tDEFAULT_SCHEMA: DEFAULT_SCHEMA,\n\tload: load,\n\tloadAll: loadAll,\n\tdump: dump,\n\tYAMLException: YAMLException,\n\ttypes: types,\n\tsafeLoad: safeLoad,\n\tsafeLoadAll: safeLoadAll,\n\tsafeDump: safeDump\n};\n\nexport { CORE_SCHEMA, DEFAULT_SCHEMA, FAILSAFE_SCHEMA, JSON_SCHEMA, Schema, Type, YAMLException, jsYaml as default, dump, load, loadAll, safeDump, safeLoad, safeLoadAll, types };\n", "/**\n * CodeQL metadata resolver utilities\n * Handles resolution of query metadata using the CodeQL CLI\n */\n\nimport { executeCodeQLCommand } from './cli-executor';\nimport { logger } from '../utils/logger';\n\n/**\n * Query metadata structure returned by codeql resolve metadata\n */\nexport interface QueryMetadata {\n  [key: string]: string | string[];\n}\n\n/**\n * Resolve metadata for a CodeQL query file\n * @param queryPath - Absolute or relative path to the .ql query file\n * @returns Parsed metadata object or null if resolution fails\n */\nexport async function resolveQueryMetadata(queryPath: string): Promise<QueryMetadata | null> {\n  try {\n    logger.info(`Resolving metadata for query: ${queryPath}`);\n\n    const result = await executeCodeQLCommand(\n      'resolve metadata',\n      { format: 'json' },\n      [queryPath]\n    );\n\n    if (!result.success) {\n      logger.error(`Failed to resolve metadata for ${queryPath}:`, result.stderr || result.error);\n      return null;\n    }\n\n    // Parse the JSON output\n    try {\n      const metadata = JSON.parse(result.stdout);\n      return metadata;\n    } catch (parseError) {\n      logger.error(`Failed to parse metadata JSON for ${queryPath}:`, parseError);\n      return null;\n    }\n  } catch (error) {\n    logger.error(`Error resolving metadata for ${queryPath}:`, error);\n    return null;\n  }\n}\n", "/**\n * CodeQL generate log-summary tool\n */\n\nimport { z } from 'zod';\nimport { CLIToolDefinition, createCodeQLSchemas, defaultCLIResultProcessor } from '../../lib/cli-tool-registry';\n\nexport const codeqlGenerateLogSummaryTool: CLIToolDefinition = {\n  name: 'codeql_generate_log-summary',\n  description: 'Create a summary of a structured JSON evaluator event log file',\n  command: 'codeql',\n  subcommand: 'generate log-summary',\n  inputSchema: {\n    inputLog: z.string().describe('Path to the evaluator log file to summarize'),\n    outputFile: z.string().optional().describe('Path to write the summary (optional, defaults to stdout)'),\n    format: z.enum(['text', 'predicates', 'overall']).optional()\n      .describe('Output format: text (human-readable), predicates (JSON), or overall (stats)'),\n    'minify-output': z.boolean().optional().describe('Minify JSON output'),\n    utc: z.boolean().optional().describe('Force UTC timestamps'),\n    'deduplicate-stage-summaries': z.boolean().optional().describe('Deduplicate stage summaries'),\n    verbose: createCodeQLSchemas.verbose(),\n    additionalArgs: createCodeQLSchemas.additionalArgs()\n  },\n  examples: [\n    'codeql generate log-summary --format=text -- evaluator-log.json.txt summary.txt',\n    'codeql generate log-summary --format=predicates --minify-output -- evaluator-log.json.txt',\n    'codeql generate log-summary --format=overall -- evaluator-log.json.txt overall-stats.json'\n  ],\n  resultProcessor: defaultCLIResultProcessor\n};", "/**\n * CodeQL generate query-help tool\n */\n\nimport { z } from 'zod';\nimport { CLIToolDefinition, createCodeQLSchemas, defaultCLIResultProcessor } from '../../lib/cli-tool-registry';\n\nexport const codeqlGenerateQueryHelpTool: CLIToolDefinition = {\n  name: 'codeql_generate_query-help',\n  description: 'Generate query help documentation from QLDoc comments',\n  command: 'codeql',\n  subcommand: 'generate query-help',\n  inputSchema: {\n    query: z.string().describe('Path to the query file to generate help for'),\n    outputFile: z.string().optional().describe('Path to write the help documentation'),\n    format: z.enum(['markdown', 'text', 'html']).optional()\n      .describe('Output format for the help documentation'),\n    verbose: createCodeQLSchemas.verbose(),\n    additionalArgs: createCodeQLSchemas.additionalArgs()\n  },\n  examples: [\n    'codeql generate query-help -- MyQuery.ql',\n    'codeql generate query-help --format=markdown -- MyQuery.ql help.md',\n    'codeql generate query-help --format=html -- MyQuery.ql help.html'\n  ],\n  resultProcessor: defaultCLIResultProcessor\n};", "/**\n * CodeQL pack install tool\n */\n\nimport { z } from 'zod';\nimport { CLIToolDefinition, createCodeQLSchemas } from '../../lib/cli-tool-registry';\n\nexport const codeqlPackInstallTool: CLIToolDefinition = {\n  name: 'codeql_pack_install',\n  description: 'Install CodeQL pack dependencies',\n  command: 'codeql',\n  subcommand: 'pack install',\n  inputSchema: {\n    packDir: z.string().optional().describe('Directory containing qlpack.yml (default: current)'),\n    force: z.boolean().optional().describe('Force reinstall of dependencies'),\n    'no-strict-mode': z.boolean().optional()\n      .describe('Allow non-strict dependency resolution'),\n    verbose: createCodeQLSchemas.verbose(),\n    additionalArgs: createCodeQLSchemas.additionalArgs()\n  },\n  examples: [\n    'codeql pack install',\n    'codeql pack install --force /path/to/pack',\n    'codeql pack install --no-strict-mode'\n  ]\n};", "/**\n * CodeQL pack ls tool\n */\n\nimport { z } from 'zod';\nimport { CLIToolDefinition, createCodeQLSchemas, defaultCLIResultProcessor } from '../../lib/cli-tool-registry';\n\nexport const codeqlPackLsTool: CLIToolDefinition = {\n  name: 'codeql_pack_ls',\n  description: 'List CodeQL packs under some local directory path',\n  command: 'codeql',\n  subcommand: 'pack ls',\n  inputSchema: {\n    dir: z.string().optional().describe('The root directory of the package or workspace, defaults to the current working directory'),\n    format: z.enum(['text', 'json']).optional()\n      .describe('Output format: text (default) or json'),\n    groups: z.string().optional()\n      .describe('List of CodeQL pack groups to include or exclude'),\n    verbose: createCodeQLSchemas.verbose(),\n    additionalArgs: createCodeQLSchemas.additionalArgs()\n  },\n  examples: [\n    'codeql pack ls -- .',\n    'codeql pack ls --format=json -- /path/to/pack-directory',\n    'codeql pack ls --format=json --groups=queries,tests -- .'\n  ],\n  resultProcessor: defaultCLIResultProcessor\n};", "/**\n * CodeQL query profiling tool\n */\n\nimport { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';\nimport { z } from 'zod';\nimport { executeCodeQLCommand } from '../../lib/cli-executor';\nimport { logger } from '../../utils/logger';\nimport { writeFileSync, readFileSync, existsSync } from 'fs';\nimport { join, dirname, basename } from 'path';\nimport { mkdirSync } from 'fs';\n\ninterface EvaluatorLogEvent {\n  time: string;\n  type: string;\n  eventId: number;\n  nanoTime: number;\n  [key: string]: unknown;\n}\n\ninterface PipelineNode {\n  eventId: number;\n  name: string;\n  position?: string;\n  type?: string;\n  startTime: number;\n  endTime: number;\n  duration: number;\n  resultSize?: number;\n  tupleCount?: number;\n  dependencies: string[];\n  dependencyEventIds: number[];\n}\n\ninterface ProfileData {\n  queryName: string;\n  totalDuration: number;\n  totalEvents: number;\n  pipelines: PipelineNode[];\n}\n\n/**\n * Parse evaluator log and create profile data\n */\nfunction parseEvaluatorLog(logPath: string): ProfileData {\n  const logContent = readFileSync(logPath, 'utf-8');\n  \n  // Split by empty lines to get each JSON object (handles both JSONL and pretty-printed JSON)\n  const jsonObjects = logContent.split('\\n\\n').filter((s) => s.trim());\n  const events: EvaluatorLogEvent[] = jsonObjects\n    .map((obj) => {\n      try {\n        return JSON.parse(obj);\n      } catch (_error) {\n        logger.warn(`Failed to parse evaluator log object: ${obj.substring(0, 100)}...`);\n        return null;\n      }\n    })\n    .filter((event): event is EvaluatorLogEvent => event !== null);\n\n  // Map to track pipeline nodes by their start event ID\n  const pipelineMap = new Map<number, Partial<PipelineNode>>();\n  // Map to track dependency event IDs by predicate name\n  const predicateNameToEventId = new Map<string, number>();\n  \n  let queryName = '';\n  let queryStartTime = 0;\n  let queryEndTime = 0;\n\n  for (const event of events) {\n    switch (event.type) {\n      case 'QUERY_STARTED':\n        queryName = (event.queryName as string) || '';\n        queryStartTime = event.nanoTime;\n        break;\n\n      case 'QUERY_COMPLETED':\n        queryEndTime = event.nanoTime;\n        break;\n\n      case 'PREDICATE_STARTED': {\n        const predicateName = event.predicateName as string;\n        const position = event.position as string | undefined;\n        const predicateType = event.predicateType as string | undefined;\n        const dependencies = event.dependencies as Record<string, string> | undefined;\n        \n        // Track this predicate's event ID by name for dependency resolution\n        predicateNameToEventId.set(predicateName, event.eventId);\n        \n        // Get dependency event IDs\n        const dependencyEventIds: number[] = [];\n        const dependencyNames: string[] = [];\n        if (dependencies) {\n          for (const depName of Object.keys(dependencies)) {\n            dependencyNames.push(depName);\n            const depEventId = predicateNameToEventId.get(depName);\n            if (depEventId !== undefined) {\n              dependencyEventIds.push(depEventId);\n            }\n          }\n        }\n\n        pipelineMap.set(event.eventId, {\n          eventId: event.eventId,\n          name: predicateName,\n          position,\n          type: predicateType,\n          startTime: event.nanoTime,\n          dependencies: dependencyNames,\n          dependencyEventIds,\n        });\n        break;\n      }\n\n      case 'PREDICATE_COMPLETED': {\n        const startEventId = event.startEvent as number;\n        const pipelineInfo = pipelineMap.get(startEventId);\n        if (pipelineInfo) {\n          const startEvent = events.find((e) => e.eventId === startEventId);\n          if (startEvent) {\n            const duration = (event.nanoTime - startEvent.nanoTime) / 1_000_000; // Convert to ms\n            pipelineInfo.endTime = event.nanoTime;\n            pipelineInfo.duration = duration;\n            pipelineInfo.resultSize = event.resultSize as number | undefined;\n            pipelineInfo.tupleCount = event.tupleCount as number | undefined;\n          }\n        }\n        break;\n      }\n    }\n  }\n\n  // Convert to array and maintain original evaluation order (by eventId)\n  const pipelines: PipelineNode[] = Array.from(pipelineMap.values())\n    .filter((p): p is PipelineNode => p.duration !== undefined)\n    .sort((a, b) => a.eventId - b.eventId);\n\n  const totalDuration = queryEndTime > 0 ? (queryEndTime - queryStartTime) / 1_000_000 : 0;\n\n  return {\n    queryName,\n    totalDuration,\n    totalEvents: events.length,\n    pipelines,\n  };\n}\n\n/**\n * Format profile data as JSON\n */\nfunction formatAsJson(profile: ProfileData): string {\n  return JSON.stringify(profile, null, 2);\n}\n\n/**\n * Format profile data as Mermaid diagram\n * Creates a graph showing the query evaluation pipelines in order of execution\n * with dependencies as edges, annotated with duration and result sizes\n */\nfunction formatAsMermaid(profile: ProfileData): string {\n  const lines: string[] = [];\n\n  lines.push('```mermaid');\n  lines.push('graph TD');\n  lines.push('');\n  \n  // Add query root node\n  lines.push(`  QUERY[\"${basename(profile.queryName)}<br/>Total: ${profile.totalDuration.toFixed(2)}ms\"]`);\n  lines.push('');\n  \n  // Create nodes for each pipeline in evaluation order (already sorted by eventId)\n  profile.pipelines.forEach((pipeline) => {\n    const nodeId = `P${pipeline.eventId}`;\n    const duration = pipeline.duration.toFixed(2);\n    const resultSize = pipeline.resultSize !== undefined ? pipeline.resultSize : '?';\n    // Sanitize predicate name for Mermaid\n    const name = pipeline.name.replace(/[<>]/g, '').substring(0, 40);\n    lines.push(`  ${nodeId}[\"${name}<br/>${duration}ms | ${resultSize} results\"]`);\n  });\n  \n  lines.push('');\n  \n  // Add edges from QUERY to root pipelines (those with no dependencies)\n  const rootPipelines = profile.pipelines.filter((p) => p.dependencies.length === 0);\n    \n  rootPipelines.forEach((pipeline) => {\n    lines.push(`  QUERY --> P${pipeline.eventId}`);\n  });\n  \n  lines.push('');\n  \n  // Add edges between pipelines based on dependencies (using eventIds to preserve links)\n  profile.pipelines.forEach((pipeline) => {\n    pipeline.dependencyEventIds.forEach((depEventId) => {\n      const duration = pipeline.duration.toFixed(2);\n      lines.push(`  P${depEventId} -->|\"${duration}ms\"| P${pipeline.eventId}`);\n    });\n  });\n  \n  lines.push('');\n  lines.push('  classDef default fill:#e1f5ff,stroke:#333,stroke-width:2px');\n  lines.push('  classDef query fill:#ffe1e1,stroke:#333,stroke-width:3px');\n  lines.push('  class QUERY query');\n  lines.push('```');\n\n  return lines.join('\\n');\n}\n\n/**\n * Register the profile_codeql_query tool\n */\nexport function registerProfileCodeQLQueryTool(server: McpServer): void {\n  server.tool(\n    'profile_codeql_query',\n    'Profile the performance of a CodeQL query run against a specific database by analyzing the evaluator log JSON file',\n    {\n      query: z.string().describe('Path to the .ql query file'),\n      database: z.string().describe('Path to the CodeQL database directory'),\n      evaluatorLog: z\n        .string()\n        .optional()\n        .describe(\n          'Path to an existing structured JSON log (e.g., evaluator-log.jsonl) file. If not provided, the tool will run the query to generate one.'\n        ),\n      outputDir: z\n        .string()\n        .optional()\n        .describe('Directory to write profiling data files (defaults to same directory as evaluator log)'),\n    },\n    async (params) => {\n      try {\n        const { query, database, evaluatorLog, outputDir } = params;\n        let logPath = evaluatorLog;\n        let bqrsPath: string | undefined;\n        let sarifPath: string | undefined;\n\n        // If evaluator log not provided, run the query to generate one\n        if (!logPath) {\n          logger.info('No evaluator log provided, running query to generate one');\n\n          // Determine output directory\n          const defaultOutputDir = outputDir || join(dirname(query as string), 'profile-output');\n          mkdirSync(defaultOutputDir, { recursive: true });\n\n          logPath = join(defaultOutputDir, 'evaluator-log.jsonl');\n          bqrsPath = join(defaultOutputDir, 'query-results.bqrs');\n          sarifPath = join(defaultOutputDir, 'query-results.sarif');\n\n          // Run query with evaluator logging and tuple counting\n          const queryResult = await executeCodeQLCommand(\n            'query run',\n            {\n              database: database as string,\n              output: bqrsPath,\n              'evaluator-log': logPath,\n              'tuple-counting': true,\n              'evaluator-log-level': 5,\n            },\n            [query as string]\n          );\n\n          if (!queryResult.success) {\n            return {\n              content: [\n                {\n                  type: 'text' as const,\n                  text: `Failed to run query: ${queryResult.stderr || queryResult.error}`,\n                },\n              ],\n              isError: true,\n            };\n          }\n\n          // Generate SARIF interpretation\n          if (existsSync(bqrsPath)) {\n            try {\n              const sarifResult = await executeCodeQLCommand(\n                'bqrs interpret',\n                { format: 'sarif-latest', output: sarifPath },\n                [bqrsPath]\n              );\n\n              if (sarifResult.success) {\n                logger.info(`Generated SARIF interpretation at ${sarifPath}`);\n              }\n            } catch (error) {\n              logger.warn(`Failed to generate SARIF interpretation: ${error}`);\n            }\n          }\n        }\n\n        // Verify evaluator log exists\n        if (!existsSync(logPath)) {\n          return {\n            content: [\n              {\n                type: 'text' as const,\n                text: `Evaluator log not found at: ${logPath}`,\n              },\n            ],\n            isError: true,\n          };\n        }\n\n        // Parse the evaluator log\n        logger.info(`Parsing evaluator log from: ${logPath}`);\n        const profile = parseEvaluatorLog(logPath);\n\n        // Determine output directory for profile\n        const profileOutputDir = outputDir || dirname(logPath);\n        mkdirSync(profileOutputDir, { recursive: true });\n\n        // Write profile JSON file\n        const jsonPath = join(profileOutputDir, 'query-evaluation-profile.json');\n        const jsonContent = formatAsJson(profile);\n        writeFileSync(jsonPath, jsonContent);\n        logger.info(`Profile JSON written to: ${jsonPath}`);\n\n        // Write profile Mermaid diagram file\n        const mdPath = join(profileOutputDir, 'query-evaluation-profile.md');\n        const mdContent = formatAsMermaid(profile);\n        writeFileSync(mdPath, mdContent);\n        logger.info(`Profile Mermaid diagram written to: ${mdPath}`);\n\n        // Build response message\n        const outputFiles: string[] = [\n          `Profile JSON: ${jsonPath}`,\n          `Profile Mermaid: ${mdPath}`,\n          `Evaluator Log: ${logPath}`,\n        ];\n\n        if (bqrsPath) {\n          outputFiles.push(`Query Results (BQRS): ${bqrsPath}`);\n        }\n\n        if (sarifPath && existsSync(sarifPath)) {\n          outputFiles.push(`Query Results (SARIF): ${sarifPath}`);\n        }\n\n        const responseText = [\n          'Query profiling completed successfully!',\n          '',\n          'Output Files:',\n          ...outputFiles.map((f) => `  - ${f}`),\n          '',\n          'Profile Summary:',\n          `  - Query: ${basename(profile.queryName)}`,\n          `  - Total Duration: ${profile.totalDuration.toFixed(2)} ms`,\n          `  - Total Pipelines: ${profile.pipelines.length}`,\n          `  - Total Events: ${profile.totalEvents}`,\n          '',\n          'First 5 Pipeline Nodes (in evaluation order):',\n          ...profile.pipelines.slice(0, 5).map((p, idx) => {\n            return `  ${idx + 1}. ${p.name} (${p.duration.toFixed(2)} ms, ${p.resultSize || '?'} results)`;\n          }),\n        ].join('\\n');\n\n        return {\n          content: [\n            {\n              type: 'text' as const,\n              text: responseText,\n            },\n          ],\n        };\n      } catch (error) {\n        logger.error('Error profiling CodeQL query:', error);\n\n        return {\n          content: [\n            {\n              type: 'text' as const,\n              text: `Failed to profile query: ${error instanceof Error ? error.message : String(error)}`,\n            },\n          ],\n          isError: true,\n        };\n      }\n    }\n  );\n}\n", "/**\n * CodeQL query compile tool\n */\n\nimport { z } from 'zod';\nimport { CLIToolDefinition } from '../../lib/cli-tool-registry';\n\nexport const codeqlQueryCompileTool: CLIToolDefinition = {\n  name: 'codeql_query_compile',\n  description: 'Compile and validate CodeQL queries',\n  command: 'codeql',\n  subcommand: 'query compile',\n  inputSchema: {\n    query: z.string().describe('Path to the CodeQL query file (.ql)'),\n    database: z.string().optional().describe('Path to the CodeQL database'),\n    library: z.string().optional().describe('Path to query library'),\n    output: z.string().optional().describe('Output file path'),\n    warnings: z.enum(['hide', 'show', 'error']).optional()\n      .describe('How to handle compilation warnings'),\n    verbose: z.boolean().optional().describe('Enable verbose output'),\n    additionalArgs: z.array(z.string()).optional().describe('Additional command-line arguments')\n  },\n  examples: [\n    'codeql query compile --database=/path/to/db MyQuery.ql',\n    'codeql query compile --library=/path/to/lib --output=compiled.qlo MyQuery.ql'\n  ]\n};", "/**\n * CodeQL query format tool\n */\n\nimport { z } from 'zod';\nimport { CLIToolDefinition, createCodeQLSchemas, defaultCLIResultProcessor, CLIExecutionResult } from '../../lib/cli-tool-registry';\n\n/**\n * Custom result processor for codeql query format tool\n * Exit code 1 with --check-only means \"file would change\" - this is success for format checking\n */\nfunction formatResultProcessor(result: CLIExecutionResult, params: Record<string, unknown>): string {\n  const isCheckOnly = params['check-only'];\n  const hasFormatChanges = result.exitCode === 1;\n  \n  if (isCheckOnly && hasFormatChanges) {\n    // Mark as success for the CLI tool registry since detecting format changes is the intended behavior\n    result.success = true;\n    return result.stdout || result.stderr || 'File would change by autoformatting.';\n  }\n  \n  return defaultCLIResultProcessor(result, params);\n}\n\nexport const codeqlQueryFormatTool: CLIToolDefinition = {\n  name: 'codeql_query_format',\n  description: 'Automatically format CodeQL source code files',\n  command: 'codeql',\n  subcommand: 'query format',\n  inputSchema: {\n    files: z.array(z.string()).describe('One or more .ql or .qll source files to format'),\n    output: z.string().optional().describe('Write formatted code to this file instead of stdout'),\n    'in-place': z.boolean().optional().describe('Overwrite each input file with formatted version'),\n    'check-only': z.boolean().optional().describe('Check formatting without writing output'),\n    backup: z.string().optional().describe('Backup extension when overwriting existing files'),\n    'no-syntax-errors': z.boolean().optional().describe('Ignore syntax errors and pretend file is formatted'),\n    verbose: createCodeQLSchemas.verbose(),\n    additionalArgs: createCodeQLSchemas.additionalArgs()\n  },\n  examples: [\n    'codeql query format -i -- ExampleQuery.ql',\n    'codeql query format --in-place -- queries/*.ql',\n    'codeql query format --check-only -- queries/*.ql'\n  ],\n  resultProcessor: formatResultProcessor\n};", "/**\n * CodeQL query run tool\n */\n\nimport { z } from 'zod';\nimport { CLIToolDefinition, createCodeQLSchemas } from '../../lib/cli-tool-registry';\n\nexport const codeqlQueryRunTool: CLIToolDefinition = {\n  name: 'codeql_query_run',\n  description: 'Execute a CodeQL query against a database. Use either \"query\" parameter for direct file path OR \"queryName\" + \"queryLanguage\" for pre-defined tool queries.',\n  command: 'codeql',\n  subcommand: 'query run',\n  inputSchema: {\n    query: z.string().optional().describe('Path to the CodeQL query file (.ql) - cannot be used with queryName'),\n    queryName: z.string().optional().describe('Name of pre-defined query to run (e.g., \"PrintAST\", \"CallGraphFrom\", \"CallGraphTo\") - requires queryLanguage'),\n    queryLanguage: z.string().optional().describe('Programming language for tools queries (e.g., \"javascript\", \"java\", \"python\") - required when using queryName'),\n    queryPack: z.string().optional().describe('Query pack path (defaults to server/ql/<language>/tools/src/ for tool queries)'),\n    sourceFiles: z.string().optional().describe('Comma-separated list of source file paths for PrintAST queries (e.g., \"src/main.js,src/utils.js\" or just \"main.js\")'),\n    sourceFunction: z.string().optional().describe('Comma-separated list of source function names for CallGraphFrom queries (e.g., \"main,processData\")'),\n    targetFunction: z.string().optional().describe('Comma-separated list of target function names for CallGraphTo queries (e.g., \"helper,validateInput\")'),\n    database: createCodeQLSchemas.database(),\n    output: createCodeQLSchemas.output(),\n    external: z.array(z.string()).optional()\n      .describe('External predicate data: predicate=file.csv'),\n    timeout: createCodeQLSchemas.timeout(),\n    logDir: z.string().optional()\n      .describe('Custom directory for query execution logs (overrides CODEQL_QUERY_LOG_DIR environment variable). If not provided, uses CODEQL_QUERY_LOG_DIR or defaults to .tmp/query-logs/<unique-id>'),\n    'evaluator-log': z.string().optional().describe('Path to save evaluator log (deprecated: use logDir instead)'),\n    'evaluator-log-minify': z.boolean().optional()\n      .describe('Minimize evaluator log for smaller size'),\n    'evaluator-log-level': z.number().min(1).max(5).optional()\n      .describe('Evaluator log verbosity level (1-5, default 5)'),\n    'tuple-counting': z.boolean().optional()\n      .describe('Display tuple counts for each evaluation step in evaluator logs'),\n    format: z.enum(['sarif-latest', 'sarifv2.1.0', 'csv', 'graphtext', 'dgml', 'dot']).optional()\n      .describe('Output format for query results via codeql bqrs interpret. Defaults to sarif-latest for @kind problem/path-problem queries, graphtext for @kind graph queries. Graph formats (graphtext, dgml, dot) only work with @kind graph queries.'),\n    interpretedOutput: z.string().optional()\n      .describe('Output file for interpreted results (e.g., results.sarif, results.txt). If not provided, defaults based on format: .sarif for SARIF, .txt for graphtext/csv, .dgml for dgml, .dot for dot'),\n    evaluationFunction: z.string().optional()\n      .describe('[DEPRECATED - use format parameter instead] Built-in function for query results evaluation (e.g., \"mermaid-graph\", \"json-decode\", \"csv-decode\") or path to custom evaluation script'),\n    evaluationOutput: z.string().optional()\n      .describe('[DEPRECATED - use interpretedOutput parameter instead] Output file for evaluation results'),\n    verbose: createCodeQLSchemas.verbose(),\n    additionalArgs: createCodeQLSchemas.additionalArgs()\n  },\n  examples: [\n    'codeql query run --database=mydb --output=results.bqrs MyQuery.ql',\n    'codeql query run --database=mydb --query-name=PrintAST --query-language=javascript --source-files=src/index.js --output=results.bqrs --format=graphtext --interpreted-output=results.txt',\n    'codeql query run --database=mydb --external=data=input.csv --output=results.bqrs MyQuery.ql --format=sarif-latest --interpreted-output=results.sarif',\n    'codeql query run --database=mydb --evaluator-log=eval.log --tuple-counting --evaluator-log-level=5 --output=results.bqrs MyQuery.ql',\n    'codeql query run --database=mydb --query-name=PrintAST --query-language=javascript --source-files=\"main.js,utils.js\" --format=graphtext',\n    'codeql query run --database=mydb --log-dir=/custom/log/path --tuple-counting --output=results.bqrs MyQuery.ql'\n  ]\n};", "/**\n * CodeQL quick evaluate tool\n * \n * Inspired by JordyZomer/codeql-mcp repository:\n * - https://github.com/JordyZomer/codeql-mcp/blob/main/server.py\n * - https://github.com/JordyZomer/codeql-mcp/blob/main/codeqlclient.py\n */\n\nimport { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';\nimport { z } from 'zod';\nimport { join, resolve } from 'path';\nimport { findClassPosition } from './find-class-position';\nimport { findPredicatePosition } from './find-predicate-position';\nimport { logger } from '../../utils/logger';\nimport { getProjectTmpDir } from '../../utils/temp-dir';\n\nexport interface QuickEvaluateParams {\n  file: string;\n  db: string;\n  symbol: string;\n  output_path?: string;\n}\n\n/**\n * Quick evaluate either a class or a predicate in a CodeQL query.\n * This allows debugging a select portion of QL code without running the whole query.\n */\nexport async function quickEvaluate({\n  file,\n  db: _db,\n  symbol,\n  output_path\n}: QuickEvaluateParams): Promise<string> {\n  try {\n    // Try to find as a class first, then as a predicate\n    try {\n      await findClassPosition(file, symbol);\n    } catch {\n      try {\n        await findPredicatePosition(file, symbol);\n      } catch {\n        throw new Error(`Symbol '${symbol}' not found as class or predicate in file: ${file}`);\n      }\n    }\n    \n    const resolvedOutput = resolve(output_path || join(getProjectTmpDir('quickeval'), 'quickeval.bqrs'));\n    \n    // For now, return the resolved output path\n    // In a full implementation, this would use the CodeQL CLI or query server\n    // to perform the actual quick evaluation with the position parameters\n    return resolvedOutput;\n  } catch (error) {\n    throw new Error(`CodeQL evaluation failed: ${error instanceof Error ? error.message : 'Unknown error'}`);\n  }\n}\n\n/**\n * Register the quick evaluate tool with the MCP server\n */\nexport function registerQuickEvaluateTool(server: McpServer): void {\n  server.tool(\n    'quick_evaluate',\n    'Quick evaluate either a class or a predicate in a CodeQL query for debugging',\n    {\n      file: z.string().describe('Path to the .ql file containing the symbol'),\n      db: z.string().describe('Path to the CodeQL database'),\n      symbol: z.string().describe('Name of the class or predicate to evaluate'),\n      output_path: z.string().optional().describe('Output path for results (defaults to project-local .tmp/quickeval/)'),\n    },\n    async ({ file, db, symbol, output_path }) => {\n      try {\n        const result = await quickEvaluate({ file, db, symbol, output_path });\n        return {\n          content: [{ type: 'text', text: result }],\n        };\n      } catch (error) {\n        logger.error('Error in quick evaluate:', error);\n        return {\n          content: [\n            {\n              type: 'text',\n              text: `Error: ${error instanceof Error ? error.message : 'Unknown error'}`,\n            },\n          ],\n          isError: true,\n        };\n      }\n    }\n  );\n}", "/**\n * CodeQL register database tool\n * \n * Inspired by JordyZomer/codeql-mcp repository:\n * - https://github.com/JordyZomer/codeql-mcp/blob/main/server.py\n * - https://github.com/JordyZomer/codeql-mcp/blob/main/codeqlclient.py\n */\n\nimport { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';\nimport { z } from 'zod';\nimport { access, constants } from 'fs/promises';\nimport { resolve } from 'path';\nimport { logger } from '../../utils/logger';\n\nexport interface DatabaseRegistration {\n  uri: string;\n  content: {\n    sourceArchiveZip: string;\n    dbDir: string;\n  };\n}\n\n/**\n * Register a CodeQL database given a local path to the database directory.\n * Validates that the database exists and has required structure.\n * Supports both full databases (with src.zip) and test databases (with src/ folder).\n */\nexport async function registerDatabase(dbPath: string): Promise<string> {\n  try {\n    const resolvedPath = resolve(dbPath);\n    \n    // Check if database directory exists\n    await access(resolvedPath, constants.F_OK);\n    \n    // Check for codeql-database.yml (required for all CodeQL databases)\n    const dbYmlPath = resolve(resolvedPath, 'codeql-database.yml');\n    await access(dbYmlPath, constants.F_OK);\n    \n    // Check if src.zip exists (for full databases) OR src/ directory exists (for test databases)\n    const srcZipPath = resolve(resolvedPath, 'src.zip');\n    const srcDirPath = resolve(resolvedPath, 'src');\n    \n    let hasSrcZip = false;\n    let hasSrcDir = false;\n    \n    try {\n      await access(srcZipPath, constants.F_OK);\n      hasSrcZip = true;\n    } catch {\n      // src.zip not found, check for src/ directory\n    }\n    \n    if (!hasSrcZip) {\n      try {\n        await access(srcDirPath, constants.F_OK);\n        hasSrcDir = true;\n      } catch {\n        // src directory not found either\n      }\n    }\n    \n    if (!hasSrcZip && !hasSrcDir) {\n      throw new Error(`Missing required source archive (src.zip) or source directory (src/) in: ${dbPath}`);\n    }\n    \n    // For now, we just validate and return success message\n    // In a full implementation, this would register with a query server\n    const sourceType = hasSrcZip ? 'src.zip' : 'src/';\n    return `Database registered: ${dbPath} (source: ${sourceType})`;\n  } catch (error) {\n    if (error instanceof Error) {\n      const errorCode = (error as { code?: string }).code;\n      if (errorCode === 'ENOENT') {\n        if (error.message.includes('codeql-database.yml')) {\n          throw new Error(`Missing required codeql-database.yml in: ${dbPath}`);\n        }\n        throw new Error(`Database path does not exist: ${dbPath}`);\n      }\n      if (errorCode === 'EACCES') {\n        throw new Error(`Database path does not exist: ${dbPath}`);\n      }\n    }\n    throw new Error(`Failed to register database: ${error instanceof Error ? error.message : 'Unknown error'}`);\n  }\n}\n\n/**\n * Register the register database tool with the MCP server\n */\nexport function registerRegisterDatabaseTool(server: McpServer): void {\n  server.tool(\n    'register_database',\n    'Register a CodeQL database given a local path to the database directory',\n    {\n      db_path: z.string().describe('Path to the CodeQL database directory'),\n    },\n    async ({ db_path }) => {\n      try {\n        const result = await registerDatabase(db_path);\n        return {\n          content: [{ type: 'text', text: result }],\n        };\n      } catch (error) {\n        logger.error('Error registering database:', error);\n        return {\n          content: [\n            {\n              type: 'text',\n              text: `Error: ${error instanceof Error ? error.message : 'Unknown error'}`,\n            },\n          ],\n          isError: true,\n        };\n      }\n    }\n  );\n}", "/**\n * CodeQL resolve database tool\n */\n\nimport { z } from 'zod';\nimport { CLIToolDefinition, createCodeQLSchemas, defaultCLIResultProcessor } from '../../lib/cli-tool-registry';\n\nexport const codeqlResolveDatabaseTool: CLIToolDefinition = {\n  name: 'codeql_resolve_database',\n  description: 'Resolve database path and validate database structure',\n  command: 'codeql',\n  subcommand: 'resolve database',\n  inputSchema: {\n    database: z.string().describe('Database path to resolve'),\n    format: z.enum(['text', 'json', 'betterjson']).optional()\n      .describe('Output format for database information'),\n    verbose: createCodeQLSchemas.verbose(),\n    additionalArgs: createCodeQLSchemas.additionalArgs()\n  },\n  examples: [\n    'codeql resolve database -- /path/to/database',\n    'codeql resolve database --format=json -- my-database',\n    'codeql resolve database --format=betterjson -- database-dir'\n  ],\n  resultProcessor: defaultCLIResultProcessor\n};", "/**\n * CodeQL resolve languages tool\n */\n\nimport { z } from 'zod';\nimport { CLIToolDefinition, defaultCLIResultProcessor } from '../../lib/cli-tool-registry';\n\nexport const codeqlResolveLanguagesTool: CLIToolDefinition = {\n  name: 'codeql_resolve_languages',\n  description: 'List installed CodeQL extractor packs',\n  command: 'codeql',\n  subcommand: 'resolve languages',\n  inputSchema: {\n    format: z.enum(['text', 'json', 'betterjson']).optional()\n      .describe('Output format for language information'),\n    verbose: z.boolean().optional().describe('Enable verbose output'),\n    additionalArgs: z.array(z.string()).optional().describe('Additional command-line arguments')\n  },\n  examples: [\n    'codeql resolve languages --format=text',\n    'codeql resolve languages --format=json',\n    'codeql resolve languages --format=betterjson'\n  ],\n  resultProcessor: defaultCLIResultProcessor\n};", "/**\n * CodeQL resolve library-path tool\n */\n\nimport { z } from 'zod';\nimport { CLIToolDefinition, defaultCLIResultProcessor } from '../../lib/cli-tool-registry';\n\nexport const codeqlResolveLibraryPathTool: CLIToolDefinition = {\n  name: 'codeql_resolve_library-path',\n  description: 'Resolve library path for CodeQL queries and libraries',\n  command: 'codeql',\n  subcommand: 'resolve library-path',\n  inputSchema: {\n    language: z.string().optional().describe('Programming language to resolve library path for'),\n    format: z.enum(['text', 'json', 'betterjson']).optional()\n      .describe('Output format for library path information'),\n    verbose: z.boolean().optional().describe('Enable verbose output'),\n    additionalArgs: z.array(z.string()).optional().describe('Additional command-line arguments')\n  },\n  examples: [\n    'codeql resolve library-path --language=java',\n    'codeql resolve library-path --format=json --language=python',\n    'codeql resolve library-path --format=betterjson'\n  ],\n  resultProcessor: defaultCLIResultProcessor\n};", "/**\n * CodeQL resolve metadata tool\n */\n\nimport { z } from 'zod';\nimport { CLIToolDefinition, defaultCLIResultProcessor } from '../../lib/cli-tool-registry';\n\nexport const codeqlResolveMetadataTool: CLIToolDefinition = {\n  name: 'codeql_resolve_metadata',\n  description: 'Resolve and return the key-value metadata pairs from a CodeQL query source file.',\n  command: 'codeql',\n  subcommand: 'resolve metadata',\n  inputSchema: {\n    query: z.string().describe('Query file to resolve metadata for'),\n    format: z.enum(['json']).optional()\n      .describe('Output format for metadata information (always JSON, optional for future compatibility)'),\n    verbose: z.boolean().optional().describe('Enable verbose output'),\n    additionalArgs: z.array(z.string()).optional().describe('Additional command-line arguments')\n  },\n  examples: [\n    'codeql resolve metadata -- relative-path/2/MyQuery.ql',\n    'codeql resolve metadata --format=json -- /absolute-plus/relative-path/2/MyQuery.ql'\n  ],\n  resultProcessor: defaultCLIResultProcessor\n};", "/**\n * CodeQL resolve qlref tool\n */\n\nimport { z } from 'zod';\nimport { CLIToolDefinition, createCodeQLSchemas, defaultCLIResultProcessor } from '../../lib/cli-tool-registry';\n\nexport const codeqlResolveQlrefTool: CLIToolDefinition = {\n  name: 'codeql_resolve_qlref',\n  description: 'Resolve qlref files to their corresponding query files',\n  command: 'codeql',\n  subcommand: 'resolve qlref',\n  inputSchema: {\n    qlref: z.string().describe('Path to the .qlref file to resolve'),\n    format: z.enum(['text', 'json', 'betterjson']).optional()\n      .describe('Output format for qlref resolution'),\n    verbose: createCodeQLSchemas.verbose(),\n    additionalArgs: createCodeQLSchemas.additionalArgs()\n  },\n  examples: [\n    'codeql resolve qlref -- test/MyQuery.qlref',\n    'codeql resolve qlref --format=json -- test/MyQuery.qlref',\n    'codeql resolve qlref --format=betterjson -- test/MyQuery.qlref'\n  ],\n  resultProcessor: defaultCLIResultProcessor\n};", "/**\n * CodeQL resolve queries tool\n */\n\nimport { z } from 'zod';\nimport { CLIToolDefinition, createCodeQLSchemas, CLIExecutionResult } from '../../lib/cli-tool-registry';\n\n/**\n * Result processor that only returns stdout for JSON formats\n * This prevents warnings/info from stderr from corrupting JSON output\n */\nconst jsonOnlyResultProcessor = (\n  result: CLIExecutionResult,\n  params: Record<string, unknown>\n): string => {\n  if (!result.success) {\n    return `Command failed (exit code ${result.exitCode || 'unknown'}):\\n${result.error || result.stderr}`;\n  }\n\n  // For JSON formats (including bylanguage), only return stdout to avoid mixing warnings with JSON\n  if (params.format === 'json' || params.format === 'betterjson' || params.format === 'bylanguage') {\n    return result.stdout || '[]';\n  }\n\n  // For text format, include warnings\n  let output = '';\n\n  if (result.stdout) {\n    output += result.stdout;\n  }\n\n  if (result.stderr) {\n    if (output) {\n      output += '\\n\\nWarnings/Info:\\n';\n    }\n    output += result.stderr;\n  }\n\n  if (!output) {\n    output = 'Command executed successfully (no output)';\n  }\n\n  return output;\n};\n\nexport const codeqlResolveQueriesTool: CLIToolDefinition = {\n  name: 'codeql_resolve_queries',\n  description: 'List available CodeQL queries found on the local filesystem',\n  command: 'codeql',\n  subcommand: 'resolve queries',\n  inputSchema: {\n    directory: z.string().optional().describe('Directory to search for queries'),\n    language: z.string().optional().describe('Filter queries by programming language'),\n    format: z.enum(['text', 'json', 'betterjson', 'bylanguage']).optional()\n      .describe('Output format for query list'),\n    'additional-packs': z.union([z.string(), z.array(z.string())]).optional()\n      .describe('Additional pack directories to search for CodeQL packs'),\n    verbose: createCodeQLSchemas.verbose(),\n    additionalArgs: createCodeQLSchemas.additionalArgs()\n  },\n  examples: [\n    'codeql resolve queries',\n    'codeql resolve queries --language=java --format=json',\n    'codeql resolve queries --format=betterjson -- /path/to/queries',\n    'codeql resolve queries --additional-packs=/path/to/packs codeql/java-queries'\n  ],\n  resultProcessor: jsonOnlyResultProcessor\n};", "/**\n * CodeQL resolve tests tool\n */\n\nimport { z } from 'zod';\nimport { CLIToolDefinition, createCodeQLSchemas, defaultCLIResultProcessor } from '../../lib/cli-tool-registry';\n\nexport const codeqlResolveTestsTool: CLIToolDefinition = {\n  name: 'codeql_resolve_tests',\n  description: 'Resolve the local filesystem paths of unit tests and/or queries under some base directory',\n  command: 'codeql',\n  subcommand: 'resolve tests',\n  inputSchema: {\n    tests: z.array(z.string()).optional().describe('One or more tests (.ql, .qlref files, or test directories)'),\n    format: z.enum(['text', 'json']).optional()\n      .describe('Output format for test list'),\n    verbose: createCodeQLSchemas.verbose(),\n    additionalArgs: createCodeQLSchemas.additionalArgs()\n  },\n  examples: [\n    'codeql resolve tests',\n    'codeql resolve tests --format=json -- test-directory',\n    'codeql resolve tests --format=json -- test1.ql test2.ql'\n  ],\n  resultProcessor: defaultCLIResultProcessor\n};", "/**\n * CodeQL test accept tool\n */\n\nimport { z } from 'zod';\nimport { CLIToolDefinition, createCodeQLSchemas, defaultCLIResultProcessor } from '../../lib/cli-tool-registry';\n\nexport const codeqlTestAcceptTool: CLIToolDefinition = {\n  name: 'codeql_test_accept',\n  description: 'Accept new test results as the expected baseline',\n  command: 'codeql',\n  subcommand: 'test accept',\n  inputSchema: {\n    tests: z.array(z.string()).describe('One or more tests (.ql, .qlref files, or test directories)'),\n    verbose: createCodeQLSchemas.verbose(),\n    additionalArgs: createCodeQLSchemas.additionalArgs()\n  },\n  examples: [\n    'codeql test accept -- languages/java/test/MyQuery/MyQuery.qlref',\n    'codeql test accept -- languages/java/test/MyQuery/',\n    'codeql test accept -- languages/java/src/MyQuery/MyQuery.ql'\n  ],\n  resultProcessor: defaultCLIResultProcessor\n};", "/**\n * CodeQL test extract tool\n */\n\nimport { z } from 'zod';\nimport { CLIToolDefinition, createCodeQLSchemas, defaultCLIResultProcessor } from '../../lib/cli-tool-registry';\n\nexport const codeqlTestExtractTool: CLIToolDefinition = {\n  name: 'codeql_test_extract',\n  description: 'Extract test databases for CodeQL query tests',\n  command: 'codeql',\n  subcommand: 'test extract',\n  inputSchema: {\n    tests: z.array(z.string()).describe('One or more test directories or files'),\n    language: z.string().optional().describe('Programming language for extraction'),\n    threads: createCodeQLSchemas.threads(),\n    ram: createCodeQLSchemas.ram(),\n    verbose: createCodeQLSchemas.verbose(),\n    additionalArgs: createCodeQLSchemas.additionalArgs()\n  },\n  examples: [\n    'codeql test extract -- languages/java/test/MyQuery/',\n    'codeql test extract --language=java --threads=4 -- test-directory',\n    'codeql test extract --threads=2 --ram=2048 -- multiple/test/directories'\n  ],\n  resultProcessor: defaultCLIResultProcessor\n};", "/**\n * CodeQL test run tool\n */\n\nimport { CLIToolDefinition, createCodeQLSchemas } from '../../lib/cli-tool-registry';\nimport { z } from 'zod';\n\nexport const codeqlTestRunTool: CLIToolDefinition = {\n  name: 'codeql_test_run',\n  description: 'Run CodeQL query tests',\n  command: 'codeql',\n  subcommand: 'test run',\n  inputSchema: {\n    tests: z.array(z.string()).describe('One or more tests (.ql, .qlref files, or test directories)'),\n    'show-extractor-output': z.boolean().optional()\n      .describe('Show output from extractors during test execution'),\n    'keep-databases': z.boolean().optional()\n      .describe('Keep test databases after running tests'),\n    'learn': z.boolean().optional()\n      .describe('Accept current output as expected for failing tests'),\n    logDir: z.string().optional()\n      .describe('Custom directory for test execution logs (overrides CODEQL_QUERY_LOG_DIR environment variable). If not provided, uses CODEQL_QUERY_LOG_DIR or defaults to .tmp/query-logs/<unique-id>'),\n    threads: createCodeQLSchemas.threads(),\n    ram: createCodeQLSchemas.ram(),\n    verbose: createCodeQLSchemas.verbose(),\n    additionalArgs: createCodeQLSchemas.additionalArgs()\n  },\n  examples: [\n    'codeql test run /path/to/tests',\n    'codeql test run --learn /path/to/failing/tests',\n    'codeql test run --threads=4 --keep-databases /path/to/tests',\n    'codeql test run --log-dir=/custom/log/path /path/to/tests'\n  ]\n};", "/**\n * CodeQL tools registration for MCP server\n * Includes both high-level helpers and CLI command wrappers\n */\n\nimport { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';\nimport { z } from 'zod';\nimport { validateCodeQLSyntax } from '../lib/validation';\nimport { createCodeQLQuery } from '../lib/query-scaffolding';\nimport { registerCLITool } from '../lib/cli-tool-registry';\nimport {\n  codeqlBqrsDecodeTool,\n  codeqlBqrsInfoTool,\n  codeqlBqrsInterpretTool,\n  codeqlDatabaseAnalyzeTool,\n  codeqlDatabaseCreateTool,\n  codeqlGenerateLogSummaryTool,\n  codeqlGenerateQueryHelpTool,\n  codeqlPackInstallTool,\n  codeqlPackLsTool,\n  codeqlQueryCompileTool,\n  codeqlQueryFormatTool,\n  codeqlQueryRunTool,\n  codeqlResolveDatabaseTool,\n  codeqlResolveLanguagesTool,\n  codeqlResolveLibraryPathTool,\n  codeqlResolveMetadataTool,\n  codeqlResolveQlrefTool,\n  codeqlResolveQueriesTool,\n  codeqlResolveTestsTool,\n  codeqlTestAcceptTool,\n  codeqlTestExtractTool,\n  codeqlTestRunTool,\n  registerFindClassPositionTool,\n  registerFindCodeQLQueryFilesTool,\n  registerFindPredicatePositionTool,\n  registerProfileCodeQLQueryTool,\n  registerQuickEvaluateTool,\n  registerRegisterDatabaseTool\n} from './codeql';\nimport { logger } from '../utils/logger';\n\n/**\n * Register all CodeQL tools with the MCP server\n */\nexport function registerCodeQLTools(server: McpServer): void {\n  // Register high-level helper tools\n  \n  // Tool: Validate CodeQL Query (heuristic-based)\n  server.tool(\n    'validate_codeql_query',\n    'Quick heuristic validation for CodeQL query structure - checks for common patterns like from/where/select clauses and metadata presence. Does NOT compile the query. For authoritative validation with actual compilation, use codeql_lsp_diagnostics instead.',\n    {\n      query: z.string().describe('The CodeQL query to validate'),\n      language: z.string().optional().describe('Target programming language'),\n    },\n    async ({ query, language }) => {\n      try {\n        const validation = validateCodeQLSyntax(query, language);\n        return {\n          content: [{ type: 'text', text: JSON.stringify(validation, null, 2) }],\n        };\n      } catch (error) {\n        logger.error('Error validating CodeQL query:', error);\n        return {\n          content: [\n            {\n              type: 'text',\n              text: `Error: ${error instanceof Error ? error.message : 'Unknown error'}`,\n            },\n          ],\n          isError: true,\n        };\n      }\n    }\n  );\n\n  // Tool: Create CodeQL Query\n  server.tool(\n    'create_codeql_query',\n    'Create directory structure and files for a new CodeQL query with tests',\n    {\n      basePath: z.string().describe('Base path where src/ and test/ directories will be created'),\n      queryName: z.string().describe('Name of the query (e.g., MySecurityQuery)'),\n      language: z.string().describe('Target programming language (e.g., javascript, python, java)'),\n      description: z.string().optional().describe('Description of what the query does'),\n      queryId: z.string().optional().describe('Custom query ID (defaults to language/example/queryname)'),\n    },\n    async ({ basePath, queryName, language, description, queryId }) => {\n      try {\n        const result = createCodeQLQuery({\n          basePath,\n          queryName,\n          language,\n          description,\n          queryId\n        });\n        \n        const summary = {\n          success: true,\n          queryPath: result.queryPath,\n          testPath: result.testPath,\n          qlrefPath: result.qlrefPath,\n          testCodePath: result.testCodePath,\n          filesCreated: result.filesCreated,\n          nextSteps: [\n            'Review and customize the generated query in: ' + result.queryPath,\n            'Add test cases to: ' + result.testCodePath,\n            'Run codeql_pack_install to install dependencies',\n            'Run codeql_test_extract to create test database',\n            'Run codeql_test_run to execute tests'\n          ]\n        };\n        \n        return {\n          content: [{ type: 'text', text: JSON.stringify(summary, null, 2) }],\n        };\n      } catch (error) {\n        logger.error('Error creating CodeQL query:', error);\n        return {\n          content: [\n            {\n              type: 'text',\n              text: `Error: ${error instanceof Error ? error.message : 'Unknown error'}`,\n            },\n          ],\n          isError: true,\n        };\n      }\n    }\n  );\n\n  // Register CLI tools (alphabetically by tool name)\n  registerCLITool(server, codeqlBqrsDecodeTool);\n  registerCLITool(server, codeqlBqrsInfoTool);\n  registerCLITool(server, codeqlBqrsInterpretTool);\n  registerCLITool(server, codeqlDatabaseAnalyzeTool);\n  registerCLITool(server, codeqlDatabaseCreateTool);\n  registerCLITool(server, codeqlGenerateLogSummaryTool);\n  registerCLITool(server, codeqlGenerateQueryHelpTool);\n  registerCLITool(server, codeqlPackInstallTool);\n  registerCLITool(server, codeqlPackLsTool);\n  registerCLITool(server, codeqlQueryCompileTool);\n  registerCLITool(server, codeqlQueryFormatTool);\n  registerCLITool(server, codeqlQueryRunTool);\n  registerCLITool(server, codeqlResolveDatabaseTool);\n  registerCLITool(server, codeqlResolveLanguagesTool);\n  registerCLITool(server, codeqlResolveLibraryPathTool);\n  registerCLITool(server, codeqlResolveMetadataTool);\n  registerCLITool(server, codeqlResolveQlrefTool);\n  registerCLITool(server, codeqlResolveQueriesTool);\n  registerCLITool(server, codeqlResolveTestsTool);\n  registerCLITool(server, codeqlTestAcceptTool);\n  registerCLITool(server, codeqlTestExtractTool);\n  registerCLITool(server, codeqlTestRunTool);\n\n  // Register new MCP tools (inspired by JordyZomer/codeql-mcp repository)\n  registerFindClassPositionTool(server);\n  registerFindCodeQLQueryFilesTool(server);\n  registerFindPredicatePositionTool(server);\n  registerProfileCodeQLQueryTool(server);\n  registerQuickEvaluateTool(server);\n  registerRegisterDatabaseTool(server);\n}\n", "/**\n * CodeQL query validation utilities\n */\n\nimport { resolve, normalize, isAbsolute, relative } from 'path';\n\nexport interface CodeQLValidationResult {\n  isValid: boolean;\n  errors: string[];\n  warnings: string[];\n  suggestions: string[];\n}\n\n/**\n * Validates CodeQL query syntax and structure\n */\nexport function validateCodeQLSyntax(query: string, _language?: string): CodeQLValidationResult {\n  const validation: CodeQLValidationResult = {\n    isValid: true,\n    errors: [],\n    warnings: [],\n    suggestions: [],\n  };\n\n  if (!query.trim()) {\n    validation.isValid = false;\n    validation.errors.push('Query cannot be empty');\n    return validation;\n  }\n\n  if (!query.includes('from') && !query.includes('select')) {\n    validation.warnings.push('Query should typically include \"from\" and \"select\" clauses');\n  }\n\n  if (!query.includes('@name') && !query.includes('@description')) {\n    validation.suggestions.push('Consider adding @name and @description metadata');\n  }\n\n  return validation;\n}\n\n/**\n * Validates a file path to prevent path traversal attacks\n * @param filePath - The file path to validate\n * @param workspaceRoot - Optional workspace root directory. If not provided, allows any absolute path but still blocks traversal attempts\n * @returns The validated absolute path\n * @throws Error if the path contains path traversal sequences\n */\nexport function validateFilePath(filePath: string, workspaceRoot?: string): string {\n  // Normalize the path to resolve any . or .. segments\n  const normalizedPath = normalize(filePath);\n  \n  // Check for path traversal attempts in the normalized path\n  // This blocks paths like \"../../../etc/passwd\" even after normalization\n  if (normalizedPath.includes('..')) {\n    throw new Error(`Invalid file path: path traversal detected in \"${filePath}\"`);\n  }\n  \n  // Resolve to absolute path\n  const absolutePath = isAbsolute(normalizedPath) \n    ? normalizedPath \n    : resolve(workspaceRoot || process.cwd(), normalizedPath);\n  \n  // If workspace root is specified, ensure the resolved path is within it\n  if (workspaceRoot) {\n    const relativePath = relative(workspaceRoot, absolutePath);\n    \n    // If relative path starts with .. or is absolute, it's outside workspace\n    if (relativePath.startsWith('..') || isAbsolute(relativePath)) {\n      throw new Error(`Invalid file path: \"${filePath}\" is outside the workspace root`);\n    }\n  }\n  \n  return absolutePath;\n}", "/**\n * CodeQL query scaffolding utilities\n * Handles creation of query directory structure and files\n */\n\nimport * as fs from 'fs';\nimport * as path from 'path';\n\nexport interface QueryScaffoldingOptions {\n  basePath: string;\n  queryName: string;\n  language: string;\n  description?: string;\n  queryId?: string;\n}\n\nexport interface QueryScaffoldingResult {\n  queryPath: string;\n  testPath: string;\n  qlrefPath: string;\n  testCodePath: string;\n  filesCreated: string[];\n}\n\n/**\n * Get the file extension for test code based on language\n */\nfunction getLanguageExtension(language: string): string {\n  const extensions: Record<string, string> = {\n    javascript: 'js',\n    typescript: 'ts',\n    python: 'py',\n    java: 'java',\n    csharp: 'cs',\n    cpp: 'cpp',\n    go: 'go',\n    ruby: 'rb',\n    actions: 'yml'\n  };\n  return extensions[language.toLowerCase()] || 'txt';\n}\n\n/**\n * Generate query template content\n */\nfunction generateQueryTemplate(\n  queryName: string,\n  language: string,\n  description?: string,\n  queryId?: string\n): string {\n  const desc = description || `${queryName} query`;\n  const id = queryId || `${language}/example/${queryName.toLowerCase()}`;\n  \n  return `/**\n * @id ${id}\n * @name ${queryName}\n * @description ${desc}\n * @kind problem\n * @precision medium\n * @problem.severity warning\n */\n\nimport ${language}\n\n// TODO: Implement query logic\nfrom File f\nwhere f.getBaseName() = \"${queryName}.${getLanguageExtension(language)}\"\nselect f, \"TODO: Add query logic\"\n`;\n}\n\n/**\n * Create the directory structure and files for a new CodeQL query\n */\nexport function createCodeQLQuery(options: QueryScaffoldingOptions): QueryScaffoldingResult {\n  const { basePath, queryName, language, description, queryId } = options;\n  \n  // Resolve absolute paths\n  const absoluteBasePath = path.resolve(basePath);\n  \n  // Define paths with intermediate directory\n  const srcDir = path.join(absoluteBasePath, 'src', queryName);\n  const testDir = path.join(absoluteBasePath, 'test', queryName);\n  \n  const queryPath = path.join(srcDir, `${queryName}.ql`);\n  const qlrefPath = path.join(testDir, `${queryName}.qlref`);\n  const testCodePath = path.join(testDir, `${queryName}.${getLanguageExtension(language)}`);\n  \n  const filesCreated: string[] = [];\n  \n  try {\n    // Create directories (recursive: true is a no-op if they already exist)\n    fs.mkdirSync(srcDir, { recursive: true });\n    fs.mkdirSync(testDir, { recursive: true });\n    \n    // Create files atomically using 'wx' flag (exclusive create) to avoid\n    // TOCTOU race between existsSync check and writeFileSync (CWE-367).\n    // The 'wx' flag fails with EEXIST if the file already exists.\n    try {\n      const queryContent = generateQueryTemplate(queryName, language, description, queryId);\n      fs.writeFileSync(queryPath, queryContent, { encoding: 'utf8', flag: 'wx' });\n      filesCreated.push(queryPath);\n    } catch (e: unknown) {\n      const err = e as { code?: string };\n      if (err.code !== 'EEXIST') throw e;\n    }\n    \n    try {\n      const qlrefContent = `${queryName}/${queryName}.ql\\n`;\n      fs.writeFileSync(qlrefPath, qlrefContent, { encoding: 'utf8', flag: 'wx' });\n      filesCreated.push(qlrefPath);\n    } catch (e: unknown) {\n      const err = e as { code?: string };\n      if (err.code !== 'EEXIST') throw e;\n    }\n    \n    try {\n      const testCodeContent = `// Test code for ${queryName}\\n// TODO: Add test cases\\n`;\n      fs.writeFileSync(testCodePath, testCodeContent, { encoding: 'utf8', flag: 'wx' });\n      filesCreated.push(testCodePath);\n    } catch (e: unknown) {\n      const err = e as { code?: string };\n      if (err.code !== 'EEXIST') throw e;\n    }\n    \n    return {\n      queryPath,\n      testPath: testDir,\n      qlrefPath,\n      testCodePath,\n      filesCreated\n    };\n  } catch (error) {\n    throw new Error(`Failed to create query scaffolding: ${error instanceof Error ? error.message : 'Unknown error'}`);\n  }\n}\n", "/**\n * CodeQL learning resources utilities\n */\n\nimport { readFileSync } from 'fs';\nimport { join, dirname } from 'path';\nimport { fileURLToPath } from 'url';\n\nconst __filename = fileURLToPath(import.meta.url);\nconst __dirname = dirname(__filename);\n\n/**\n * Get the getting started guide content\n */\nexport function getGettingStartedGuide(): string {\n  try {\n    return readFileSync(join(__dirname, '../resources/getting-started.md'), 'utf-8');\n  } catch {\n    return 'Getting started guide not available';\n  }\n}\n\n/**\n * Get the query basics guide content\n */\nexport function getQueryBasicsGuide(): string {\n  try {\n    return readFileSync(join(__dirname, '../resources/query-basics.md'), 'utf-8');\n  } catch {\n    return 'Query basics guide not available';\n  }\n}\n\n/**\n * Get the security templates content\n */\nexport function getSecurityTemplates(): string {\n  try {\n    return readFileSync(join(__dirname, '../resources/security-templates.md'), 'utf-8');\n  } catch {\n    return 'Security templates not available';\n  }\n}\n\n/**\n * Get the performance patterns content\n */\nexport function getPerformancePatterns(): string {\n  try {\n    return readFileSync(join(__dirname, '../resources/performance-patterns.md'), 'utf-8');\n  } catch {\n    return 'Performance patterns not available';\n  }\n}", "/**\n * CodeQL resources registration for MCP server\n */\n\nimport { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';\nimport {\n  getGettingStartedGuide,\n  getQueryBasicsGuide,\n  getSecurityTemplates,\n  getPerformancePatterns,\n} from '../lib/resources';\n\n/**\n * Register all CodeQL resources with the MCP server\n */\nexport function registerCodeQLResources(server: McpServer): void {\n  // Getting Started Guide\n  server.resource(\n    'CodeQL Getting Started',\n    'codeql://learning/getting-started',\n    {\n      description: 'Comprehensive introduction to CodeQL for beginners',\n      mimeType: 'text/markdown',\n    },\n    async () => {\n      return {\n        contents: [\n          {\n            uri: 'codeql://learning/getting-started',\n            mimeType: 'text/markdown',\n            text: getGettingStartedGuide(),\n          },\n        ],\n      };\n    }\n  );\n\n  // Query Basics Guide\n  server.resource(\n    'CodeQL Query Basics',\n    'codeql://learning/query-basics',\n    {\n      description: 'Learn the fundamentals of writing CodeQL queries',\n      mimeType: 'text/markdown',\n    },\n    async () => {\n      return {\n        contents: [\n          {\n            uri: 'codeql://learning/query-basics',\n            mimeType: 'text/markdown',\n            text: getQueryBasicsGuide(),\n          },\n        ],\n      };\n    }\n  );\n\n  // Security Templates\n  server.resource(\n    'CodeQL Security Templates',\n    'codeql://templates/security',\n    {\n      description: 'Ready-to-use security query templates',\n      mimeType: 'text/markdown',\n    },\n    async () => {\n      return {\n        contents: [\n          {\n            uri: 'codeql://templates/security',\n            mimeType: 'text/markdown',\n            text: getSecurityTemplates(),\n          },\n        ],\n      };\n    }\n  );\n\n  // Performance Patterns\n  server.resource(\n    'CodeQL Performance Patterns',\n    'codeql://patterns/performance',\n    {\n      description: 'Best practices for writing efficient CodeQL queries',\n      mimeType: 'text/markdown',\n    },\n    async () => {\n      return {\n        contents: [\n          {\n            uri: 'codeql://patterns/performance',\n            mimeType: 'text/markdown',\n            text: getPerformancePatterns(),\n          },\n        ],\n      };\n    }\n  );\n}\n", "/**\n * CodeQL LSP Diagnostics tool for MCP server.\n *\n * Provides real-time QL code validation through LSP communication.\n * Renamed from `codeql_language_server_eval` to `codeql_lsp_diagnostics`\n * for consistency with the `codeql_lsp_*` tool naming convention.\n */\n\nimport { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';\nimport { z } from 'zod';\nimport { Diagnostic, LanguageServerOptions } from '../../lib/language-server';\nimport { logger } from '../../utils/logger';\nimport { getProjectTmpDir } from '../../utils/temp-dir';\nimport { join } from 'path';\nimport { pathToFileURL } from 'url';\nimport { getInitializedLanguageServer } from './lsp-server-helper';\n\nexport interface LspDiagnosticsParams {\n  qlCode: string;\n  serverOptions?: LanguageServerOptions;\n  workspaceUri?: string;\n}\n\nexport interface LspDiagnosticsResult {\n  diagnostics: Diagnostic[];\n  formattedOutput: string;\n  isValid: boolean;\n  summary: {\n    errorCount: number;\n    hintCount: number;\n    infoCount: number;\n    warningCount: number;\n  };\n}\n\n/**\n * Format diagnostics for human-readable output.\n */\nfunction formatDiagnostics(diagnostics: Diagnostic[]): string {\n  if (diagnostics.length === 0) {\n    return '\u2705 No issues found in QL code';\n  }\n\n  const lines: string[] = [];\n  lines.push(`Found ${diagnostics.length} issue(s):\\n`);\n\n  diagnostics.forEach((diagnostic, index) => {\n    const severityIcon = getSeverityIcon(diagnostic.severity);\n    const severityName = getSeverityName(diagnostic.severity);\n    const location = `Line ${diagnostic.range.start.line + 1}, Column ${diagnostic.range.start.character + 1}`;\n\n    lines.push(`${index + 1}. ${severityIcon} ${severityName} at ${location}`);\n    lines.push(`   ${diagnostic.message}`);\n    if (diagnostic.source) {\n      lines.push(`   Source: ${diagnostic.source}`);\n    }\n    if (diagnostic.code) {\n      lines.push(`   Code: ${diagnostic.code}`);\n    }\n    lines.push('');\n  });\n\n  return lines.join('\\n');\n}\n\nfunction getSeverityIcon(severity: number): string {\n  switch (severity) {\n    case 1: return '\u274C'; // Error\n    case 2: return '\u26A0\uFE0F';  // Warning\n    case 3: return '\u2139\uFE0F';  // Information\n    case 4: return '\uD83D\uDCA1'; // Hint\n    default: return '\u2753';\n  }\n}\n\nfunction getSeverityName(severity: number): string {\n  switch (severity) {\n    case 1: return 'Error';\n    case 2: return 'Warning';\n    case 3: return 'Information';\n    case 4: return 'Hint';\n    default: return 'Unknown';\n  }\n}\n\n/**\n * Evaluate QL code using the CodeQL Language Server and return diagnostics.\n */\nexport async function lspDiagnostics({\n  qlCode,\n  workspaceUri,\n  serverOptions = {}\n}: LspDiagnosticsParams): Promise<LspDiagnosticsResult> {\n  try {\n    logger.info('Evaluating QL code via Language Server...');\n\n    const languageServer = await getInitializedLanguageServer({\n      serverOptions,\n      workspaceUri,\n    });\n\n    // Generate unique URI for this evaluation\n    const evalUri = pathToFileURL(join(getProjectTmpDir('lsp-eval'), `eval_${Date.now()}.ql`)).href;\n\n    const diagnostics = await languageServer.evaluateQL(qlCode, evalUri);\n\n    // Count diagnostics by severity\n    const summary = {\n      errorCount: diagnostics.filter(d => d.severity === 1).length,\n      hintCount: diagnostics.filter(d => d.severity === 4).length,\n      infoCount: diagnostics.filter(d => d.severity === 3).length,\n      warningCount: diagnostics.filter(d => d.severity === 2).length,\n    };\n\n    const isValid = summary.errorCount === 0;\n    const formattedOutput = formatDiagnostics(diagnostics);\n\n    logger.info(`QL evaluation complete. Valid: ${isValid}, Issues: ${diagnostics.length}`);\n\n    return {\n      diagnostics,\n      formattedOutput,\n      isValid,\n      summary,\n    };\n\n  } catch (error) {\n    logger.error('Error evaluating QL code:', error);\n    throw new Error(`QL evaluation failed: ${error instanceof Error ? error.message : 'Unknown error'}`);\n  }\n}\n\n/**\n * Shutdown the language server via the server manager.\n */\nexport async function shutdownDiagnosticsServer(): Promise<void> {\n  const { getServerManager } = await import('../../lib/server-manager');\n  const manager = getServerManager();\n  await manager.shutdownServer('language');\n}\n\n/**\n * Register the codeql_lsp_diagnostics tool with the MCP server.\n */\nexport function registerLspDiagnosticsTool(server: McpServer): void {\n  server.tool(\n    'codeql_lsp_diagnostics',\n    'Authoritative syntax and semantic validation of CodeQL (QL) code via the CodeQL Language Server. Compiles the query and provides real-time diagnostics with precise error locations. Use this for accurate validation; for quick heuristic checks without compilation, use validate_codeql_query instead. Note: inline ql_code is evaluated as a virtual document and cannot resolve pack imports (e.g. `import javascript`). For validating queries with imports, use codeql_query_compile on the actual file instead.',\n    {\n      log_level: z.enum(['OFF', 'ERROR', 'WARN', 'INFO', 'DEBUG', 'TRACE', 'ALL']).optional().describe('Language server log level'),\n      ql_code: z.string().describe('The CodeQL (QL) code to evaluate for syntax and semantic errors'),\n      search_path: z.string().optional().describe('Optional search path for CodeQL libraries'),\n      workspace_uri: z.string().optional().describe('Optional workspace URI for context (defaults to ./ql directory)'),\n    },\n    async ({ ql_code, workspace_uri, search_path, log_level }) => {\n      try {\n        const serverOptions: LanguageServerOptions = {};\n\n        if (search_path) {\n          serverOptions.searchPath = search_path;\n        }\n        if (log_level) {\n          serverOptions.loglevel = log_level;\n        }\n\n        const result = await lspDiagnostics({\n          qlCode: ql_code,\n          serverOptions,\n          workspaceUri: workspace_uri,\n        });\n\n        // Return structured result\n        const responseContent = {\n          diagnostics: result.diagnostics.map(d => ({\n            code: d.code,\n            column: d.range.start.character + 1, // Convert to 1-based column numbers\n            line: d.range.start.line + 1, // Convert to 1-based line numbers\n            message: d.message,\n            severity: getSeverityName(d.severity),\n            source: d.source,\n          })),\n          formattedOutput: result.formattedOutput,\n          isValid: result.isValid,\n          summary: result.summary,\n        };\n\n        return {\n          content: [\n            {\n              text: JSON.stringify(responseContent, null, 2),\n              type: 'text',\n            }\n          ],\n        };\n\n      } catch (error) {\n        logger.error('Error in codeql_lsp_diagnostics tool:', error);\n        return {\n          content: [\n            {\n              text: `Error: ${error instanceof Error ? error.message : 'Unknown error'}`,\n              type: 'text',\n            },\n          ],\n          isError: true,\n        };\n      }\n    }\n  );\n\n  // NOTE: Cleanup is handled centrally by shutdownServerManager() in\n  // codeql-development-mcp-server.ts (setupGracefulShutdown). Registering\n  // additional process.on('SIGINT'/'SIGTERM') handlers here would\n  // accumulate on repeated calls and is unnecessary.\n}\n", "/**\n * Shared helper for obtaining a running, initialized CodeQL Language Server.\n *\n * Both `lsp-diagnostics.ts` and `lsp-handlers.ts` need to:\n * 1. Build a `LanguageServerConfig` with sensible defaults\n * 2. Obtain a server instance from the `CodeQLServerManager`\n * 3. Resolve a workspace URI (relative \u2192 absolute \u2192 `file://`)\n * 4. Initialize the server with the resolved workspace\n *\n * Centralizing this logic avoids duplication and ensures consistent\n * default behaviour across all LSP tools.\n */\n\nimport { isAbsolute, resolve } from 'path';\nimport { pathToFileURL } from 'url';\n\nimport { CodeQLLanguageServer, LanguageServerOptions } from '../../lib/language-server';\nimport { LanguageServerConfig } from '../../lib/server-config';\nimport { getServerManager } from '../../lib/server-manager';\nimport { logger } from '../../utils/logger';\n\n/**\n * Options accepted by {@link getInitializedLanguageServer}.\n */\nexport interface InitializedServerOptions {\n  /** Language-server-level options (loglevel, searchPath, etc.). */\n  serverOptions?: LanguageServerOptions;\n  /** Workspace URI \u2014 may be a `file://` URI, absolute path, or relative path. */\n  workspaceUri?: string;\n}\n\n/**\n * Return a running, initialized `CodeQLLanguageServer`.\n *\n * - Resolves `searchPath` to the bundled `ql` directory when not provided.\n * - Converts relative / bare-directory `workspaceUri` paths to `file://` URIs\n *   resolved against `getUserWorkspaceDir()` (respects `CODEQL_MCP_WORKSPACE`).\n * - Falls back to the bundled `ql` directory when no workspace is given.\n * - Delegates lifecycle management to the global `CodeQLServerManager`.\n */\nexport async function getInitializedLanguageServer(\n  opts: InitializedServerOptions = {},\n): Promise<CodeQLLanguageServer> {\n  const { packageRootDir: pkgRoot, getUserWorkspaceDir } = await import('../../utils/package-paths');\n  const options = opts.serverOptions ?? {};\n\n  const config: LanguageServerConfig = {\n    checkErrors: 'ON_CHANGE',\n    loglevel: options.loglevel ?? 'WARN',\n    searchPath: options.searchPath ?? resolve(pkgRoot, 'ql'),\n    synchronous: options.synchronous,\n    verbosity: options.verbosity,\n  };\n\n  const manager = getServerManager();\n  const server = await manager.getLanguageServer(config);\n\n  // Normalize workspace URI: convert relative / bare directory paths to\n  // file:// URIs against getUserWorkspaceDir() (respects CODEQL_MCP_WORKSPACE).\n  let effectiveUri = opts.workspaceUri;\n  if (effectiveUri && !effectiveUri.startsWith('file://')) {\n    const absWorkspace = isAbsolute(effectiveUri)\n      ? effectiveUri\n      : resolve(getUserWorkspaceDir(), effectiveUri);\n    effectiveUri = pathToFileURL(absWorkspace).href;\n  }\n  effectiveUri = effectiveUri ?? pathToFileURL(resolve(pkgRoot, 'ql')).href;\n\n  await server.initialize(effectiveUri);\n  logger.debug(`Language server initialized with workspace: ${effectiveUri}`);\n\n  return server;\n}\n", "/**\n * CodeQL LSP tool handlers.\n *\n * Bridges MCP tool invocations to LSP requests on the CodeQL Language Server.\n * Each handler acquires a language server via the CodeQLServerManager,\n * opens the requested document, sends the LSP request, and returns the result.\n */\n\nimport { readFile } from 'fs/promises';\nimport { isAbsolute, resolve } from 'path';\nimport { pathToFileURL } from 'url';\n\nimport {\n  CompletionItem,\n  LSPLocation,\n  TextDocumentPositionParams,\n} from '../../lib/language-server';\nimport { logger } from '../../utils/logger';\nimport { getUserWorkspaceDir } from '../../utils/package-paths';\nimport { getInitializedLanguageServer } from './lsp-server-helper';\n\n/**\n * Common parameters for LSP tool invocations.\n */\nexport interface LSPToolParams {\n  /** 0-based character offset within the line. */\n  character: number;\n  /** Optional override for the file content (if not reading from disk). */\n  fileContent?: string;\n  /**\n   * Path to the QL file. May be absolute or relative.\n   * Relative paths are resolved against `getUserWorkspaceDir()`\n   * (respects the `CODEQL_MCP_WORKSPACE` environment variable).\n   */\n  filePath: string;\n  /** 0-based line number in the document. */\n  line: number;\n  /** Optional search path for CodeQL libraries. */\n  searchPath?: string;\n  /** Optional workspace URI for context. */\n  workspaceUri?: string;\n}\n\n/**\n * Get a running, initialized language server for the given parameters.\n */\nasync function getInitializedServer(params: LSPToolParams) {\n  return getInitializedLanguageServer({\n    serverOptions: { searchPath: params.searchPath },\n    workspaceUri: params.workspaceUri,\n  });\n}\n\n/**\n * Resolve the file path to an absolute path and file:// URI.\n */\nfunction prepareDocumentPosition(\n  params: LSPToolParams,\n): { absPath: string; docUri: string } {\n  // Resolve relative paths against getUserWorkspaceDir() so that\n  // CODEQL_MCP_WORKSPACE is respected and behaviour is consistent across tools.\n  const absPath = isAbsolute(params.filePath)\n    ? params.filePath\n    : resolve(getUserWorkspaceDir(), params.filePath);\n  const docUri = pathToFileURL(absPath).href;\n\n  return { absPath, docUri };\n}\n\n/**\n * Read file content and open the document in the language server.\n */\nasync function openDocumentForPosition(\n  server: Awaited<ReturnType<typeof getInitializedServer>>,\n  params: LSPToolParams,\n  absPath: string,\n  docUri: string,\n): Promise<TextDocumentPositionParams> {\n  // Read file content from disk or use provided content\n  let text: string;\n  if (params.fileContent) {\n    text = params.fileContent;\n  } else {\n    try {\n      text = await readFile(absPath, 'utf-8');\n    } catch (error) {\n      throw new Error(`Cannot read file: ${absPath}: ${error instanceof Error ? error.message : error}`);\n    }\n  }\n\n  // Open the document so the language server knows about it\n  server.openDocument(docUri, text);\n\n  return {\n    position: { character: params.character, line: params.line },\n    textDocument: { uri: docUri },\n  };\n}\n\n/**\n * Get code completions at a position.\n */\nexport async function lspCompletion(params: LSPToolParams): Promise<CompletionItem[]> {\n  logger.info(`LSP completion at ${params.filePath}:${params.line}:${params.character}`);\n  const server = await getInitializedServer(params);\n  const { absPath, docUri } = prepareDocumentPosition(params);\n  const positionParams = await openDocumentForPosition(server, params, absPath, docUri);\n\n  try {\n    return await server.getCompletions(positionParams);\n  } finally {\n    server.closeDocument(docUri);\n  }\n}\n\n/**\n * Go to definition of a symbol at a position.\n */\nexport async function lspDefinition(params: LSPToolParams): Promise<LSPLocation[]> {\n  logger.info(`LSP definition at ${params.filePath}:${params.line}:${params.character}`);\n  const server = await getInitializedServer(params);\n  const { absPath, docUri } = prepareDocumentPosition(params);\n  const positionParams = await openDocumentForPosition(server, params, absPath, docUri);\n\n  try {\n    return await server.getDefinition(positionParams);\n  } finally {\n    server.closeDocument(docUri);\n  }\n}\n\n/**\n * Find all references to a symbol at a position.\n */\nexport async function lspReferences(params: LSPToolParams): Promise<LSPLocation[]> {\n  logger.info(`LSP references at ${params.filePath}:${params.line}:${params.character}`);\n  const server = await getInitializedServer(params);\n  const { absPath, docUri } = prepareDocumentPosition(params);\n  const positionParams = await openDocumentForPosition(server, params, absPath, docUri);\n\n  try {\n    return await server.getReferences({\n      ...positionParams,\n      context: { includeDeclaration: true },\n    });\n  } finally {\n    server.closeDocument(docUri);\n  }\n}\n", "/**\n * CodeQL LSP MCP tool definitions.\n *\n * Registers four LSP-based tools:\n * - codeql_lsp_completion     \u2013 code completions at cursor position\n * - codeql_lsp_definition     \u2013 go to definition\n * - codeql_lsp_diagnostics    \u2013 QL code validation via LSP diagnostics\n * - codeql_lsp_references     \u2013 find all references\n */\n\nimport { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';\nimport { z } from 'zod';\nimport { registerLspDiagnosticsTool } from './lsp-diagnostics';\nimport {\n  lspCompletion,\n  lspDefinition,\n  lspReferences,\n} from './lsp-handlers';\nimport { logger } from '../../utils/logger';\n\n/**\n * Shared Zod schema for the common LSP tool parameters.\n */\nconst lspParamsSchema = {\n  character: z.number().int().min(0).describe('0-based character offset within the line'),\n  file_content: z.string().optional().describe('Optional file content override (reads from disk if omitted)'),\n  file_path: z.string().describe('Path to the CodeQL (.ql/.qll) file. Relative paths are resolved against the user workspace directory (see CODEQL_MCP_WORKSPACE).'),\n  line: z.number().int().min(0).describe('0-based line number in the document'),\n  search_path: z.string().optional().describe('Optional search path for CodeQL libraries'),\n  workspace_uri: z.string().optional().describe('Optional workspace URI for context (defaults to ./ql directory)'),\n};\n\n/**\n * Helper to build the handler params from the raw MCP tool input.\n */\nfunction toHandlerParams(input: {\n  character: number;\n  file_content?: string;\n  file_path: string;\n  line: number;\n  search_path?: string;\n  workspace_uri?: string;\n}) {\n  return {\n    character: input.character,\n    fileContent: input.file_content,\n    filePath: input.file_path,\n    line: input.line,\n    searchPath: input.search_path,\n    workspaceUri: input.workspace_uri,\n  };\n}\n\n/**\n * Register all LSP-based tools with the MCP server.\n */\nexport function registerLSPTools(server: McpServer): void {\n  // --- codeql_lsp_diagnostics (relocated from codeql_language_server_eval) ---\n  registerLspDiagnosticsTool(server);\n\n  // --- codeql_lsp_completion ---\n  server.tool(\n    'codeql_lsp_completion',\n    'Get code completions at a cursor position in a CodeQL file. Returns completion items with labels, documentation, and insert text. The file must be a .ql or .qll file. IMPORTANT: Set workspace_uri to the pack or workspace root directory for dependency resolution; without it, completions for imported libraries will be empty.',\n    lspParamsSchema,\n    async (input) => {\n      try {\n        const items = await lspCompletion(toHandlerParams(input));\n        return {\n          content: [{\n            text: JSON.stringify({\n              completionCount: items.length,\n              items: items.map((item) => ({\n                detail: item.detail,\n                documentation: item.documentation,\n                insertText: item.insertText,\n                kind: item.kind,\n                label: item.label,\n              })),\n            }, null, 2),\n            type: 'text' as const,\n          }],\n        };\n      } catch (error) {\n        logger.error('codeql_lsp_completion error:', error);\n        return {\n          content: [{ text: `Error: ${error instanceof Error ? error.message : 'Unknown error'}`, type: 'text' as const }],\n          isError: true,\n        };\n      }\n    },\n  );\n\n  // --- codeql_lsp_definition ---\n  server.tool(\n    'codeql_lsp_definition',\n    'Go to the definition of a CodeQL symbol at a given position. Returns one or more file locations where the symbol is defined. Set workspace_uri to the pack root for dependency resolution.',\n    lspParamsSchema,\n    async (input) => {\n      try {\n        const locations = await lspDefinition(toHandlerParams(input));\n        return {\n          content: [{\n            text: JSON.stringify({\n              definitionCount: locations.length,\n              locations: locations.map((loc) => ({\n                endCharacter: loc.range.end.character,\n                endLine: loc.range.end.line + 1,\n                startCharacter: loc.range.start.character,\n                startLine: loc.range.start.line + 1,\n                uri: loc.uri,\n              })),\n            }, null, 2),\n            type: 'text' as const,\n          }],\n        };\n      } catch (error) {\n        logger.error('codeql_lsp_definition error:', error);\n        return {\n          content: [{ text: `Error: ${error instanceof Error ? error.message : 'Unknown error'}`, type: 'text' as const }],\n          isError: true,\n        };\n      }\n    },\n  );\n\n  // --- codeql_lsp_references ---\n  server.tool(\n    'codeql_lsp_references',\n    'Find all references to a CodeQL symbol at a given position. Returns file locations of all usages, including the declaration. Set workspace_uri to the pack root for dependency resolution.',\n    lspParamsSchema,\n    async (input) => {\n      try {\n        const locations = await lspReferences(toHandlerParams(input));\n        return {\n          content: [{\n            text: JSON.stringify({\n              locations: locations.map((loc) => ({\n                endCharacter: loc.range.end.character,\n                endLine: loc.range.end.line + 1,\n                startCharacter: loc.range.start.character,\n                startLine: loc.range.start.line + 1,\n                uri: loc.uri,\n              })),\n              referenceCount: locations.length,\n            }, null, 2),\n            type: 'text' as const,\n          }],\n        };\n      } catch (error) {\n        logger.error('codeql_lsp_references error:', error);\n        return {\n          content: [{ text: `Error: ${error instanceof Error ? error.message : 'Unknown error'}`, type: 'text' as const }],\n          isError: true,\n        };\n      }\n    },\n  );\n}\n", "/**\n * Language-specific resources implementation\n * Dynamically loads and serves language-specific AST references and security patterns\n */\n\nimport { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';\nimport { readFileSync, existsSync } from 'fs';\nimport { join } from 'path';\nimport { LANGUAGE_RESOURCES } from '../types/language-types';\nimport { workspaceRootDir } from '../utils/package-paths';\nimport { logger } from '../utils/logger';\n\n/**\n * Get the base path for ql resources.\n * Uses the workspace root (monorepo root or package root) so that\n * resource files are found regardless of the server's process.cwd().\n */\nfunction getQLBasePath(): string {\n  return workspaceRootDir;\n}\n\n/**\n * Load content from a resource file\n */\nfunction loadResourceContent(relativePath: string): string | null {\n  try {\n    const fullPath = join(getQLBasePath(), relativePath);\n    \n    if (!existsSync(fullPath)) {\n      logger.warn(`Resource file not found: ${fullPath}`);\n      return null;\n    }\n    \n    return readFileSync(fullPath, 'utf-8');\n  } catch (error) {\n    logger.error(`Error loading resource file ${relativePath}:`, error);\n    return null;\n  }\n}\n\n/**\n * Register language-specific AST resources\n */\nexport function registerLanguageASTResources(server: McpServer): void {\n  for (const langResource of LANGUAGE_RESOURCES) {\n    if (!langResource.astFile) continue;\n    \n    const resourceUri = `codeql://languages/${langResource.language}/ast`;\n    \n    server.resource(\n      `${langResource.language.toUpperCase()} AST Reference`,\n      resourceUri,\n      {\n        description: `CodeQL AST class reference for ${langResource.language} programs`,\n        mimeType: 'text/markdown'\n      },\n      async () => {\n        const content = loadResourceContent(langResource.astFile!);\n        \n        if (!content) {\n          return {\n            contents: [{\n              uri: resourceUri,\n              mimeType: 'text/markdown',\n              text: `# ${langResource.language.toUpperCase()} AST Reference\\n\\nResource file not found or could not be loaded.`\n            }]\n          };\n        }\n        \n        return {\n          contents: [{\n            uri: resourceUri,\n            mimeType: 'text/markdown',\n            text: content\n          }]\n        };\n      }\n    );\n  }\n}\n\n/**\n * Register language-specific security pattern resources\n */\nexport function registerLanguageSecurityResources(server: McpServer): void {\n  for (const langResource of LANGUAGE_RESOURCES) {\n    if (!langResource.securityFile) continue;\n    \n    const resourceUri = `codeql://languages/${langResource.language}/security`;\n    \n    server.resource(\n      `${langResource.language.toUpperCase()} Security Patterns`,\n      resourceUri,\n      {\n        description: `CodeQL security query patterns and framework modeling for ${langResource.language}`,\n        mimeType: 'text/markdown'\n      },\n      async () => {\n        const content = loadResourceContent(langResource.securityFile!);\n        \n        if (!content) {\n          return {\n            contents: [{\n              uri: resourceUri,\n              mimeType: 'text/markdown',\n              text: `# ${langResource.language.toUpperCase()} Security Patterns\\n\\nResource file not found or could not be loaded.`\n            }]\n          };\n        }\n        \n        return {\n          contents: [{\n            uri: resourceUri,\n            mimeType: 'text/markdown',\n            text: content\n          }]\n        };\n      }\n    );\n  }\n}\n\n/**\n * Register additional language-specific resources (like Go's dataflow patterns)\n */\nexport function registerLanguageAdditionalResources(server: McpServer): void {\n  for (const langResource of LANGUAGE_RESOURCES) {\n    if (!langResource.additionalFiles) continue;\n    \n    for (const [resourceType, filePath] of Object.entries(langResource.additionalFiles)) {\n      const resourceUri = `codeql://languages/${langResource.language}/${resourceType}`;\n      \n      server.resource(\n        `${langResource.language.toUpperCase()} ${resourceType.replace('-', ' ').replace(/\\b\\w/g, l => l.toUpperCase())}`,\n        resourceUri,\n        {\n          description: `CodeQL ${resourceType.replace('-', ' ')} guide for ${langResource.language}`,\n          mimeType: 'text/markdown'\n        },\n        async () => {\n          const content = loadResourceContent(filePath);\n          \n          if (!content) {\n            return {\n              contents: [{\n                uri: resourceUri,\n                mimeType: 'text/markdown',\n                text: `# ${langResource.language.toUpperCase()} ${resourceType.replace('-', ' ').replace(/\\b\\w/g, l => l.toUpperCase())}\\n\\nResource file not found or could not be loaded.`\n              }]\n            };\n          }\n          \n          return {\n            contents: [{\n              uri: resourceUri,\n              mimeType: 'text/markdown',\n              text: content\n            }]\n          };\n        }\n      );\n    }\n  }\n}\n\n/**\n * Register all language-specific resources\n */\nexport function registerLanguageResources(server: McpServer): void {\n  logger.info('Registering language-specific resources...');\n  \n  // Register AST references for all languages\n  registerLanguageASTResources(server);\n  \n  // Register security patterns for languages that have them\n  registerLanguageSecurityResources(server);\n  \n  // Register additional resources (like Go's dataflow patterns)\n  registerLanguageAdditionalResources(server);\n  \n  logger.info(`Registered resources for ${LANGUAGE_RESOURCES.length} languages`);\n}", "/**\n * Type definitions and constants for language-specific resources\n */\n\n// Language mappings to resource files\nexport interface LanguageResource {\n  language: string;\n  astFile?: string;\n  securityFile?: string;\n  additionalFiles?: Record<string, string>;\n}\n\nexport const LANGUAGE_RESOURCES: LanguageResource[] = [\n  {\n    language: 'actions',\n    astFile: 'ql/languages/actions/tools/dev/actions_ast.prompt.md'\n  },\n  {\n    language: 'cpp',\n    astFile: 'ql/languages/cpp/tools/dev/cpp_ast.prompt.md',\n    securityFile: 'ql/languages/cpp/tools/dev/cpp_security_query_guide.prompt.md'\n  },\n  {\n    language: 'csharp',\n    astFile: 'ql/languages/csharp/tools/dev/csharp_ast.prompt.md',\n    securityFile: 'ql/languages/csharp/tools/dev/csharp_security_query_guide.prompt.md'\n  },\n  {\n    language: 'go',\n    astFile: 'ql/languages/go/tools/dev/go_ast.prompt.md',\n    securityFile: 'ql/languages/go/tools/dev/go_security_query_guide.prompt.md',\n    additionalFiles: {\n      'dataflow': 'ql/languages/go/tools/dev/go_dataflow.prompt.md',\n      'library-modeling': 'ql/languages/go/tools/dev/go_library_modeling.prompt.md',\n      'basic-queries': 'ql/languages/go/tools/dev/go_basic_queries.prompt.md'\n    }\n  },\n  {\n    language: 'java',\n    astFile: 'ql/languages/java/tools/dev/java_ast.prompt.md'\n  },\n  {\n    language: 'javascript',\n    astFile: 'ql/languages/javascript/tools/dev/javascript_ast.prompt.md',\n    securityFile: 'ql/languages/javascript/tools/dev/javascript_security_query_guide.prompt.md'\n  },\n  {\n    language: 'python',\n    astFile: 'ql/languages/python/tools/dev/python_ast.prompt.md',\n    securityFile: 'ql/languages/python/tools/dev/python_security_query_guide.prompt.md'\n  },\n  {\n    language: 'ql',\n    astFile: 'ql/languages/ql/tools/dev/ql_ast.prompt.md'\n  },\n  {\n    language: 'ruby',\n    astFile: 'ql/languages/ruby/tools/dev/ruby_ast.prompt.md'\n  }\n];", "/**\n * MCP Server workflow prompts for CodeQL development\n *\n * All prompt content is loaded from .prompt.md files in this directory.\n * This file only handles prompt registration and parameter processing.\n */\n\nimport { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';\nimport { z } from 'zod';\nimport { basename } from 'path';\nimport { loadPromptTemplate, processPromptTemplate } from './prompt-loader';\nimport { logger } from '../utils/logger';\n\n/** Supported CodeQL languages for tools queries */\nexport const SUPPORTED_LANGUAGES = [\n  'actions',\n  'cpp',\n  'csharp',\n  'go',\n  'java',\n  'javascript',\n  'python',\n  'ruby',\n  'swift'\n] as const;\n\n// \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n// Exported parameter schemas for each workflow prompt.\n//\n// Extracting the schemas makes it easy to unit-test required vs optional\n// validation independently of the MCP server registration.\n//\n// **Convention for VS Code UX consistency**:\n// Every prompt MUST expose at least one parameter \u2013 even if all parameters\n// are optional \u2013 so that VS Code always displays the parameter input dialog\n// and allows the user to customize the prompt before Copilot Chat processes\n// it.  The `description` field on each Zod schema member doubles as the\n// placeholder text shown in the VS Code input box.\n// \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n/**\n * Schema for test_driven_development prompt parameters.\n *\n * - `language` is **required** \u2013 the TDD workflow is language-specific.\n * - `queryName` is optional \u2013 defaults to '[QueryName]' if omitted.\n */\nexport const testDrivenDevelopmentSchema = z.object({\n  language: z\n    .enum(SUPPORTED_LANGUAGES)\n    .describe('Programming language for the query'),\n  queryName: z\n    .string()\n    .optional()\n    .describe('Name of the query to develop'),\n});\n\n/**\n * Schema for tools_query_workflow prompt parameters.\n *\n * - `language` and `database` are **required**.\n * - `sourceFiles`, `sourceFunction`, `targetFunction` are optional context.\n */\nexport const toolsQueryWorkflowSchema = z.object({\n  database: z\n    .string()\n    .describe('Path to the CodeQL database'),\n  language: z\n    .enum(SUPPORTED_LANGUAGES)\n    .describe('Programming language for the tools queries'),\n  sourceFiles: z\n    .string()\n    .optional()\n    .describe('Comma-separated source file names for PrintAST (e.g., \"main.js,utils.js\")'),\n  sourceFunction: z\n    .string()\n    .optional()\n    .describe('Function name for PrintCFG or CallGraphFrom (e.g., \"processData\")'),\n  targetFunction: z\n    .string()\n    .optional()\n    .describe('Function name for CallGraphTo (e.g., \"validate\")'),\n});\n\n/**\n * Schema for workshop_creation_workflow prompt parameters.\n * Uses z.coerce.number() for numStages to handle string inputs from VSCode slash commands.\n *\n * - `queryPath` and `language` are **required**.\n * - `workshopName` and `numStages` are optional.\n */\nexport const workshopCreationWorkflowSchema = z.object({\n  queryPath: z\n    .string()\n    .describe('Path to the production-grade CodeQL query (.ql or .qlref)'),\n  language: z\n    .enum(SUPPORTED_LANGUAGES)\n    .describe('Programming language of the query'),\n  workshopName: z\n    .string()\n    .optional()\n    .describe('Name for the workshop directory'),\n  numStages: z\n    .coerce.number()\n    .optional()\n    .describe('Number of incremental stages (default: 4-8)'),\n});\n\n/**\n * Schema for ql_tdd_basic prompt parameters.\n *\n * All parameters are optional \u2013 but at least one should be present so the\n * VS Code quick-pick dialog appears.\n */\nexport const qlTddBasicSchema = z.object({\n  language: z\n    .enum(SUPPORTED_LANGUAGES)\n    .optional()\n    .describe('Programming language for the query (optional)'),\n  queryName: z\n    .string()\n    .optional()\n    .describe('Name of the query to develop'),\n});\n\n/**\n * Schema for ql_tdd_advanced prompt parameters.\n *\n * All parameters are optional.\n */\nexport const qlTddAdvancedSchema = z.object({\n  database: z\n    .string()\n    .optional()\n    .describe('Path to the CodeQL database for analysis'),\n  language: z\n    .enum(SUPPORTED_LANGUAGES)\n    .optional()\n    .describe('Programming language for the query (optional)'),\n  queryName: z\n    .string()\n    .optional()\n    .describe('Name of the query to develop'),\n});\n\n/**\n * Schema for sarif_rank_false_positives / sarif_rank_true_positives.\n *\n * Both parameters are optional.\n */\nexport const sarifRankSchema = z.object({\n  queryId: z\n    .string()\n    .optional()\n    .describe('CodeQL query/rule identifier'),\n  sarifPath: z\n    .string()\n    .optional()\n    .describe('Path to the SARIF file to analyze'),\n});\n\n/**\n * Schema for explain_codeql_query prompt parameters.\n *\n * - `queryPath` and `language` are **required**.\n * - `databasePath` is optional.\n */\nexport const explainCodeqlQuerySchema = z.object({\n  databasePath: z\n    .string()\n    .optional()\n    .describe('Optional path to a real CodeQL database for profiling'),\n  language: z\n    .enum(SUPPORTED_LANGUAGES)\n    .describe('Programming language of the query'),\n  queryPath: z\n    .string()\n    .describe('Path to the CodeQL query file (.ql or .qlref)'),\n});\n\n/**\n * Schema for document_codeql_query prompt parameters.\n *\n * - `queryPath` and `language` are **required**.\n */\nexport const documentCodeqlQuerySchema = z.object({\n  language: z\n    .enum(SUPPORTED_LANGUAGES)\n    .describe('Programming language of the query'),\n  queryPath: z\n    .string()\n    .describe('Path to the CodeQL query file (.ql or .qlref)'),\n});\n\n/**\n * Schema for ql_lsp_iterative_development prompt parameters.\n *\n * All parameters are optional.\n */\nexport const qlLspIterativeDevelopmentSchema = z.object({\n  language: z\n    .enum(SUPPORTED_LANGUAGES)\n    .optional()\n    .describe('Programming language for the query'),\n  queryPath: z\n    .string()\n    .optional()\n    .describe('Path to the query file being developed'),\n  workspaceUri: z\n    .string()\n    .optional()\n    .describe('Workspace URI for LSP dependency resolution'),\n});\n\n// \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n// Prompt names (exported for testing)\n// \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n/** Names of every workflow prompt registered with the MCP server. */\nexport const WORKFLOW_PROMPT_NAMES = [\n  'document_codeql_query',\n  'explain_codeql_query',\n  'ql_lsp_iterative_development',\n  'ql_tdd_advanced',\n  'ql_tdd_basic',\n  'sarif_rank_false_positives',\n  'sarif_rank_true_positives',\n  'test_driven_development',\n  'tools_query_workflow',\n  'workshop_creation_workflow',\n] as const;\n\n/**\n * Register MCP workflow prompts\n *\n * Each prompt loads its content from a corresponding .prompt.md file\n * and processes any parameter substitutions.\n *\n * **UX note**: Every prompt schema is passed to `server.prompt()` so that\n * VS Code always displays the parameter-input quick-pick before the prompt\n * is sent to Copilot Chat. This lets users review and customise the values.\n */\nexport function registerWorkflowPrompts(server: McpServer): void {\n  // Test-Driven Development Prompt\n  server.prompt(\n    'test_driven_development',\n    'Test-driven development workflow for CodeQL queries using MCP tools',\n    testDrivenDevelopmentSchema.shape,\n    async ({ language, queryName }) => {\n      const template = loadPromptTemplate('ql-tdd-basic.prompt.md');\n      const content = processPromptTemplate(template, {\n        language,\n        queryName: queryName || '[QueryName]'\n      });\n\n      return {\n        messages: [\n          {\n            role: 'user',\n            content: {\n              type: 'text',\n              text: `## Context\\n\\n- **Language**: ${language}\\n${queryName ? `- **Query Name**: ${queryName}\\n` : ''}\\n${content}`\n            }\n          }\n        ]\n      };\n    }\n  );\n\n  // Tools Query Workflow Prompt\n  server.prompt(\n    'tools_query_workflow',\n    'Guide for using built-in tools queries (PrintAST, PrintCFG, CallGraphFrom, CallGraphTo) to understand code structure',\n    toolsQueryWorkflowSchema.shape,\n    async ({\n      language,\n      database,\n      sourceFiles,\n      sourceFunction,\n      targetFunction\n    }) => {\n      const template = loadPromptTemplate('tools-query-workflow.prompt.md');\n      const content = processPromptTemplate(template, {\n        language,\n        database\n      });\n\n      const contextSection = buildToolsQueryContext(\n        language,\n        database,\n        sourceFiles,\n        sourceFunction,\n        targetFunction\n      );\n\n      return {\n        messages: [\n          {\n            role: 'user',\n            content: {\n              type: 'text',\n              text: contextSection + content\n            }\n          }\n        ]\n      };\n    }\n  );\n\n  // Workshop Creation Workflow Prompt\n  server.prompt(\n    'workshop_creation_workflow',\n    'Guide for creating CodeQL query development workshops from production-grade queries',\n    workshopCreationWorkflowSchema.shape,\n    async ({ queryPath, language, workshopName, numStages }) => {\n      const template = loadPromptTemplate('workshop-creation-workflow.prompt.md');\n\n      // Derive workshop name from query path if not provided\n      const derivedName =\n        workshopName ||\n        basename(queryPath)\n          .replace(/\\.(ql|qlref)$/, '')\n          .toLowerCase()\n          .replace(/[^a-z0-9]+/g, '-') ||\n        'codeql-workshop';\n\n      const contextSection = buildWorkshopContext(\n        queryPath,\n        language,\n        derivedName,\n        numStages\n      );\n\n      return {\n        messages: [\n          {\n            role: 'user',\n            content: {\n              type: 'text',\n              text: contextSection + template\n            }\n          }\n        ]\n      };\n    }\n  );\n\n  // TDD Basic Prompt - Test-Driven Development Checklist\n  server.prompt(\n    'ql_tdd_basic',\n    'Test-driven CodeQL query development checklist - write tests first, implement query, iterate until tests pass',\n    qlTddBasicSchema.shape,\n    async ({ language, queryName }) => {\n      const template = loadPromptTemplate('ql-tdd-basic.prompt.md');\n\n      let contextSection = '## Your Development Context\\n\\n';\n      if (language) {\n        contextSection += `- **Language**: ${language}\\n`;\n      }\n      if (queryName) {\n        contextSection += `- **Query Name**: ${queryName}\\n`;\n      }\n      if (language || queryName) {\n        contextSection += '\\n';\n      }\n\n      return {\n        messages: [\n          {\n            role: 'user',\n            content: {\n              type: 'text',\n              text: contextSection + template\n            }\n          }\n        ]\n      };\n    }\n  );\n\n  // TDD Advanced Prompt - Advanced Techniques with AST/CFG/CallGraph\n  server.prompt(\n    'ql_tdd_advanced',\n    'Advanced test-driven CodeQL development with AST visualization, control flow, and call graph analysis',\n    qlTddAdvancedSchema.shape,\n    async ({ language, queryName, database }) => {\n      const template = loadPromptTemplate('ql-tdd-advanced.prompt.md');\n\n      let contextSection = '## Your Development Context\\n\\n';\n      if (language) {\n        contextSection += `- **Language**: ${language}\\n`;\n      }\n      if (queryName) {\n        contextSection += `- **Query Name**: ${queryName}\\n`;\n      }\n      if (database) {\n        contextSection += `- **Database**: ${database}\\n`;\n      }\n      if (language || queryName || database) {\n        contextSection += '\\n';\n      }\n\n      return {\n        messages: [\n          {\n            role: 'user',\n            content: {\n              type: 'text',\n              text: contextSection + template\n            }\n          }\n        ]\n      };\n    }\n  );\n\n  // SARIF Rank False Positives Prompt\n  server.prompt(\n    'sarif_rank_false_positives',\n    'Analyze SARIF results to identify likely false positives in CodeQL query results',\n    sarifRankSchema.shape,\n    async ({ queryId, sarifPath }) => {\n      const template = loadPromptTemplate('sarif-rank-false-positives.prompt.md');\n\n      let contextSection = '## Analysis Context\\n\\n';\n      if (queryId) {\n        contextSection += `- **Query ID**: ${queryId}\\n`;\n      }\n      if (sarifPath) {\n        contextSection += `- **SARIF File**: ${sarifPath}\\n`;\n      }\n      if (queryId || sarifPath) {\n        contextSection += '\\n';\n      }\n\n      return {\n        messages: [\n          {\n            role: 'user',\n            content: {\n              type: 'text',\n              text: contextSection + template\n            }\n          }\n        ]\n      };\n    }\n  );\n\n  // SARIF Rank True Positives Prompt\n  server.prompt(\n    'sarif_rank_true_positives',\n    'Analyze SARIF results to identify likely true positives in CodeQL query results',\n    sarifRankSchema.shape,\n    async ({ queryId, sarifPath }) => {\n      const template = loadPromptTemplate('sarif-rank-true-positives.prompt.md');\n\n      let contextSection = '## Analysis Context\\n\\n';\n      if (queryId) {\n        contextSection += `- **Query ID**: ${queryId}\\n`;\n      }\n      if (sarifPath) {\n        contextSection += `- **SARIF File**: ${sarifPath}\\n`;\n      }\n      if (queryId || sarifPath) {\n        contextSection += '\\n';\n      }\n\n      return {\n        messages: [\n          {\n            role: 'user',\n            content: {\n              type: 'text',\n              text: contextSection + template\n            }\n          }\n        ]\n      };\n    }\n  );\n\n  // Explain CodeQL Query Prompt (for workshop learning content)\n  server.prompt(\n    'explain_codeql_query',\n    'Generate detailed explanation of a CodeQL query for workshop learning content - uses MCP tools to gather context and produces both verbal explanations and mermaid evaluation diagrams',\n    explainCodeqlQuerySchema.shape,\n    async ({ queryPath, language, databasePath }) => {\n      const template = loadPromptTemplate('explain-codeql-query.prompt.md');\n\n      let contextSection = '## Query to Explain\\n\\n';\n      contextSection += `- **Query Path**: ${queryPath}\\n`;\n      contextSection += `- **Language**: ${language}\\n`;\n      if (databasePath) {\n        contextSection += `- **Database Path**: ${databasePath}\\n`;\n      }\n      contextSection += '\\n';\n\n      return {\n        messages: [\n          {\n            role: 'user',\n            content: {\n              type: 'text',\n              text: contextSection + template\n            }\n          }\n        ]\n      };\n    }\n  );\n\n  // Document CodeQL Query Prompt\n  server.prompt(\n    'document_codeql_query',\n    'Create or update documentation for a CodeQL query - generates standardized markdown documentation as a sibling file to the query',\n    documentCodeqlQuerySchema.shape,\n    async ({ queryPath, language }) => {\n      const template = loadPromptTemplate('document-codeql-query.prompt.md');\n\n      const contextSection = `## Query to Document\n\n- **Query Path**: ${queryPath}\n- **Language**: ${language}\n\n`;\n\n      return {\n        messages: [\n          {\n            role: 'user',\n            content: {\n              type: 'text',\n              text: contextSection + template\n            }\n          }\n        ]\n      };\n    }\n  );\n\n  // LSP-powered Iterative Development Prompt\n  server.prompt(\n    'ql_lsp_iterative_development',\n    'Iterative CodeQL query development using LSP tools for completion, navigation, and validation',\n    qlLspIterativeDevelopmentSchema.shape,\n    async ({ language, queryPath, workspaceUri }) => {\n      const template = loadPromptTemplate('ql-lsp-iterative-development.prompt.md');\n\n      let contextSection = '## Your Development Context\\n\\n';\n      if (language) {\n        contextSection += `- **Language**: ${language}\\n`;\n      }\n      if (queryPath) {\n        contextSection += `- **Query Path**: ${queryPath}\\n`;\n      }\n      if (workspaceUri) {\n        contextSection += `- **Workspace URI**: ${workspaceUri}\\n`;\n      }\n      if (language || queryPath || workspaceUri) {\n        contextSection += '\\n';\n      }\n\n      return {\n        messages: [\n          {\n            role: 'user',\n            content: {\n              type: 'text',\n              text: contextSection + template,\n            },\n          },\n        ],\n      };\n    }\n  );\n\n  logger.info(`Registered ${WORKFLOW_PROMPT_NAMES.length} workflow prompts`);\n}\n\n/**\n * Build context section for tools query workflow\n */\nexport function buildToolsQueryContext(\n  language: string,\n  database: string,\n  sourceFiles?: string,\n  sourceFunction?: string,\n  targetFunction?: string\n): string {\n  const lines = [\n    '## Your Context',\n    '',\n    `- **Language**: ${language}`,\n    `- **Database**: ${database}`\n  ];\n\n  if (sourceFiles) {\n    lines.push(`- **Source Files**: ${sourceFiles}`);\n  }\n  if (sourceFunction) {\n    lines.push(`- **Source Function**: ${sourceFunction}`);\n  }\n  if (targetFunction) {\n    lines.push(`- **Target Function**: ${targetFunction}`);\n  }\n\n  lines.push('', '## Recommended Next Steps', '');\n\n  if (sourceFiles) {\n    lines.push(\n      `1. Run \\`codeql_query_run\\` with queryName=\"PrintAST\", sourceFiles=\"${sourceFiles}\"`\n    );\n  } else {\n    lines.push('1. Identify source files to analyze with PrintAST');\n  }\n\n  if (sourceFunction) {\n    lines.push(\n      `2. Run \\`codeql_query_run\\` with queryName=\"PrintCFG\" or \"CallGraphFrom\", sourceFunction=\"${sourceFunction}\"`\n    );\n  } else {\n    lines.push(\n      '2. Identify key functions for CFG or call graph analysis'\n    );\n  }\n\n  if (targetFunction) {\n    lines.push(\n      `3. Run \\`codeql_query_run\\` with queryName=\"CallGraphTo\", targetFunction=\"${targetFunction}\"`\n    );\n  } else {\n    lines.push('3. Identify target functions to find callers');\n  }\n\n  lines.push('', '');\n  return lines.join('\\n');\n}\n\n/**\n * Build context section for workshop creation workflow\n */\nexport function buildWorkshopContext(\n  queryPath: string,\n  language: string,\n  workshopName: string,\n  numStages?: number\n): string {\n  return `## Your Workshop Context\n\n- **Target Query**: ${queryPath}\n- **Language**: ${language}\n- **Workshop Name**: ${workshopName}\n- **Suggested Stages**: ${numStages || '4-8 (auto-detect based on query complexity)'}\n\n## Immediate Actions\n\n1. **Locate query files**: Use \\`find_codeql_query_files\\` with queryPath=\"${queryPath}\"\n2. **Understand query for learning content**: Use the \\`explain_codeql_query\\` prompt with queryPath=\"${queryPath}\" and language=\"${language}\"\n3. **Document each workshop stage**: Use the \\`document_codeql_query\\` prompt to create/update documentation for each solution query\n4. **Verify tests pass**: Use \\`codeql_test_run\\` on existing tests\n5. **Run tools queries**: Generate AST/CFG understanding for workshop materials\n\n`;\n}\n", "/**\n * Utility functions for loading prompt template files\n */\n\nimport { readFileSync } from 'fs';\nimport { join, dirname } from 'path';\nimport { fileURLToPath } from 'url';\n\nconst __filename = fileURLToPath(import.meta.url);\nconst __dirname = dirname(__filename);\n\n/**\n * Load a prompt template from a .prompt.md file\n */\nexport function loadPromptTemplate(promptFileName: string): string {\n  try {\n    const promptPath = join(__dirname, promptFileName);\n    return readFileSync(promptPath, 'utf-8');\n  } catch (error) {\n    return `Prompt template '${promptFileName}' not available: ${error instanceof Error ? error.message : 'Unknown error'}`;\n  }\n}\n\n/**\n * Process prompt template by replacing placeholders with actual values\n */\nexport function processPromptTemplate(template: string, variables: Record<string, string>): string {\n  let processed = template;\n  \n  // Replace variables in the format {{variable}} or {variable}\n  for (const [key, value] of Object.entries(variables)) {\n    const patterns = [\n      new RegExp(`\\\\{\\\\{${key}\\\\}\\\\}`, 'g'),\n      new RegExp(`\\\\{${key}\\\\}`, 'g')\n    ];\n    \n    for (const pattern of patterns) {\n      processed = processed.replace(pattern, value);\n    }\n  }\n  \n  return processed;\n}", "/**\n * Monitoring Tools - MCP tool implementations for session management and reporting\n * Provides the MCP Tool APIs specified in the monitoring specification\n */\n\nimport { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';\nimport { z } from 'zod';\nimport { randomUUID } from 'crypto';\nimport { sessionDataManager } from '../lib/session-data-manager';\nimport {\n  QueryDevelopmentSession,\n  SessionFilter,\n  QualityScoreRecord,\n  ComparisonReport,\n  AggregateReport,\n  ExportResult,\n  FunctionalTestResult,\n} from '../types/monitoring';\nimport { logger } from '../utils/logger';\n\n/**\n * Register all monitoring and reporting tools with the MCP server\n * Note: These tools are opt-in and disabled by default for end-users.\n * Set enableMonitoringTools: true in monitoring config to enable them.\n */\nexport function registerMonitoringTools(server: McpServer): void {\n  const config = sessionDataManager.getConfig();\n  \n  // Check if monitoring tools are enabled (opt-in, disabled by default)\n  if (!config.enableMonitoringTools) {\n    logger.info('Monitoring tools are disabled (opt-in). Set enableMonitoringTools: true to enable session_* tools.');\n    return;\n  }\n\n  // Session Management Tools - session_start removed per feedback (auto-creation instead)\n  registerSessionEndTool(server);\n  registerSessionGetTool(server);\n  registerSessionListTool(server);\n  registerSessionUpdateStateTool(server);\n\n  // Session Analytics Tools\n  registerSessionGetCallHistoryTool(server);\n  registerSessionGetTestHistoryTool(server);\n  registerSessionGetScoreHistoryTool(server);\n  registerSessionCalculateCurrentScoreTool(server);\n\n  // Batch Operations Tools\n  registerSessionsCompareTool(server);\n  registerSessionsAggregateTool(server);\n  registerSessionsExportTool(server);\n\n  // Note: Functional Testing Support Tools are internal only, not exposed as MCP tools\n\n  logger.info('Registered monitoring and reporting tools');\n}\n\n/**\n * Session Management Tools\n */\n\n// session_start tool removed - sessions are now auto-created when needed\n// Sessions are automatically created when MCP tools are called with queryPath\n// If explicit session creation is needed, provide sessionId=null and it will auto-create\n\nfunction registerSessionEndTool(server: McpServer): void {\n  server.tool(\n    'session_end',\n    'End a query development session with final status',\n    {\n      sessionId: z.string().describe('ID of the session to end'),\n      status: z.enum(['completed', 'failed', 'abandoned']).describe('Final status of the session'),\n    },\n    async ({ sessionId, status }) => {\n      try {\n        const session = await sessionDataManager.endSession(sessionId, status);\n        \n        if (!session) {\n          return {\n            content: [\n              {\n                type: 'text',\n                text: `Session not found: ${sessionId}`,\n              },\n            ],\n            isError: true,\n          };\n        }\n\n        return {\n          content: [\n            {\n              type: 'text',\n              text: JSON.stringify(session, null, 2),\n            },\n          ],\n        };\n      } catch (error) {\n        logger.error('Error ending session:', error);\n        return {\n          content: [\n            {\n              type: 'text',\n              text: `Error ending session: ${error instanceof Error ? error.message : 'Unknown error'}`,\n            },\n          ],\n          isError: true,\n        };\n      }\n    }\n  );\n}\n\nfunction registerSessionGetTool(server: McpServer): void {\n  server.tool(\n    'session_get',\n    'Get complete details of a specific query development session',\n    {\n      sessionId: z.string().describe('ID of the session to retrieve'),\n    },\n    async ({ sessionId }) => {\n      try {\n        const session = await sessionDataManager.getSession(sessionId);\n        \n        if (!session) {\n          return {\n            content: [\n              {\n                type: 'text',\n                text: `Session not found: ${sessionId}`,\n              },\n            ],\n            isError: true,\n          };\n        }\n\n        return {\n          content: [\n            {\n              type: 'text',\n              text: JSON.stringify(session, null, 2),\n            },\n          ],\n        };\n      } catch (error) {\n        logger.error('Error getting session:', error);\n        return {\n          content: [\n            {\n              type: 'text',\n              text: `Error getting session: ${error instanceof Error ? error.message : 'Unknown error'}`,\n            },\n          ],\n          isError: true,\n        };\n      }\n    }\n  );\n}\n\nfunction registerSessionListTool(server: McpServer): void {\n  server.tool(\n    'session_list',\n    'List query development sessions with optional filtering',\n    {\n      queryPath: z.string().optional().describe('Filter by query path (partial match)'),\n      status: z.string().optional().describe('Filter by session status'),\n      dateRange: z.array(z.string()).length(2).optional().describe('Filter by date range [start, end] (ISO timestamps)'),\n      language: z.string().optional().describe('Filter by programming language'),\n      queryType: z.string().optional().describe('Filter by query type'),\n    },\n    async ({ queryPath, status, dateRange, language, queryType }) => {\n      try {\n        const filters: SessionFilter = {};\n        if (queryPath) filters.queryPath = queryPath;\n        if (status) filters.status = status;\n        if (dateRange) filters.dateRange = [dateRange[0], dateRange[1]];\n        if (language) filters.language = language;\n        if (queryType) filters.queryType = queryType;\n\n        const sessions = await sessionDataManager.listSessions(\n          Object.keys(filters).length > 0 ? filters : undefined\n        );\n\n        const sessionList = {\n          totalSessions: sessions.length,\n          sessions: sessions.map(s => ({\n            sessionId: s.sessionId,\n            queryPath: s.queryPath,\n            language: s.language,\n            status: s.status,\n            startTime: s.startTime,\n            endTime: s.endTime,\n            mcpCallsCount: s.mcpCalls.length,\n            testExecutionsCount: s.testExecutions.length,\n            currentScore: s.qualityScores.length > 0 \n              ? s.qualityScores[s.qualityScores.length - 1].overallScore \n              : null,\n          })),\n        };\n\n        return {\n          content: [\n            {\n              type: 'text',\n              text: JSON.stringify(sessionList, null, 2),\n            },\n          ],\n          recommendations: generateListRecommendations(sessions),\n        };\n      } catch (error) {\n        logger.error('Error listing sessions:', error);\n        return {\n          content: [\n            {\n              type: 'text',\n              text: `Error listing sessions: ${error instanceof Error ? error.message : 'Unknown error'}`,\n            },\n          ],\n          isError: true,\n        };\n      }\n    }\n  );\n}\n\nfunction registerSessionUpdateStateTool(server: McpServer): void {\n  server.tool(\n    'session_update_state',\n    'Update the current state of a query development session',\n    {\n      sessionId: z.string().describe('ID of the session to update'),\n      filesPresent: z.array(z.string()).optional().describe('List of files present in the query development'),\n      compilationStatus: z.enum(['unknown', 'success', 'failed']).optional().describe('Current compilation status'),\n      testStatus: z.enum(['unknown', 'passing', 'failing', 'no_tests']).optional().describe('Current test status'),\n      documentationStatus: z.enum(['unknown', 'present', 'missing', 'incomplete']).optional().describe('Documentation status'),\n    },\n    async ({ sessionId, filesPresent, compilationStatus, testStatus, documentationStatus }) => {\n      try {\n        const stateUpdate: Record<string, unknown> = {};\n        if (filesPresent !== undefined) stateUpdate.filesPresent = filesPresent;\n        if (compilationStatus !== undefined) stateUpdate.compilationStatus = compilationStatus;\n        if (testStatus !== undefined) stateUpdate.testStatus = testStatus;\n        if (documentationStatus !== undefined) stateUpdate.documentationStatus = documentationStatus;\n\n        const session = await sessionDataManager.updateSessionState(sessionId, stateUpdate);\n        \n        if (!session) {\n          return {\n            content: [\n              {\n                type: 'text',\n                text: `Session not found: ${sessionId}`,\n              },\n            ],\n            isError: true,\n          };\n        }\n\n        return {\n          content: [\n            {\n              type: 'text',\n              text: JSON.stringify(session, null, 2),\n            },\n          ],\n          recommendations: generateRecommendations(session, 'session_update_state'),\n        };\n      } catch (error) {\n        logger.error('Error updating session state:', error);\n        return {\n          content: [\n            {\n              type: 'text',\n              text: `Error updating session state: ${error instanceof Error ? error.message : 'Unknown error'}`,\n            },\n          ],\n          isError: true,\n        };\n      }\n    }\n  );\n}\n\n/**\n * Session Analytics Tools\n */\n\nfunction registerSessionGetCallHistoryTool(server: McpServer): void {\n  server.tool(\n    'session_get_call_history',\n    'Get MCP call history for a specific session',\n    {\n      sessionId: z.string().describe('ID of the session'),\n      limit: z.number().optional().describe('Maximum number of calls to return (most recent first)'),\n    },\n    async ({ sessionId, limit }) => {\n      try {\n        const session = await sessionDataManager.getSession(sessionId);\n        \n        if (!session) {\n          return {\n            content: [\n              {\n                type: 'text',\n                text: `Session not found: ${sessionId}`,\n              },\n            ],\n            isError: true,\n          };\n        }\n\n        let calls = [...session.mcpCalls].reverse(); // Most recent first\n        if (limit && limit > 0) {\n          calls = calls.slice(0, limit);\n        }\n\n        return {\n          content: [\n            {\n              type: 'text',\n              text: JSON.stringify({\n                sessionId,\n                totalCalls: session.mcpCalls.length,\n                callHistory: calls,\n              }, null, 2),\n            },\n          ],\n        };\n      } catch (error) {\n        logger.error('Error getting call history:', error);\n        return {\n          content: [\n            {\n              type: 'text',\n              text: `Error getting call history: ${error instanceof Error ? error.message : 'Unknown error'}`,\n            },\n          ],\n          isError: true,\n        };\n      }\n    }\n  );\n}\n\nfunction registerSessionGetTestHistoryTool(server: McpServer): void {\n  server.tool(\n    'session_get_test_history',\n    'Get test execution history for a specific session',\n    {\n      sessionId: z.string().describe('ID of the session'),\n      limit: z.number().optional().describe('Maximum number of test executions to return (most recent first)'),\n    },\n    async ({ sessionId, limit }) => {\n      try {\n        const session = await sessionDataManager.getSession(sessionId);\n        \n        if (!session) {\n          return {\n            content: [\n              {\n                type: 'text',\n                text: `Session not found: ${sessionId}`,\n              },\n            ],\n            isError: true,\n          };\n        }\n\n        let tests = [...session.testExecutions].reverse(); // Most recent first\n        if (limit && limit > 0) {\n          tests = tests.slice(0, limit);\n        }\n\n        return {\n          content: [\n            {\n              type: 'text',\n              text: JSON.stringify({\n                sessionId,\n                totalTests: session.testExecutions.length,\n                testHistory: tests,\n              }, null, 2),\n            },\n          ],\n        };\n      } catch (error) {\n        logger.error('Error getting test history:', error);\n        return {\n          content: [\n            {\n              type: 'text',\n              text: `Error getting test history: ${error instanceof Error ? error.message : 'Unknown error'}`,\n            },\n          ],\n          isError: true,\n        };\n      }\n    }\n  );\n}\n\nfunction registerSessionGetScoreHistoryTool(server: McpServer): void {\n  server.tool(\n    'session_get_score_history',\n    'Get quality score history for a specific session',\n    {\n      sessionId: z.string().describe('ID of the session'),\n      limit: z.number().optional().describe('Maximum number of scores to return (most recent first)'),\n    },\n    async ({ sessionId, limit }) => {\n      try {\n        const session = await sessionDataManager.getSession(sessionId);\n        \n        if (!session) {\n          return {\n            content: [\n              {\n                type: 'text',\n                text: `Session not found: ${sessionId}`,\n              },\n            ],\n            isError: true,\n          };\n        }\n\n        let scores = [...session.qualityScores].reverse(); // Most recent first\n        if (limit && limit > 0) {\n          scores = scores.slice(0, limit);\n        }\n\n        return {\n          content: [\n            {\n              type: 'text',\n              text: JSON.stringify({\n                sessionId,\n                totalScores: session.qualityScores.length,\n                scoreHistory: scores,\n              }, null, 2),\n            },\n          ],\n        };\n      } catch (error) {\n        logger.error('Error getting score history:', error);\n        return {\n          content: [\n            {\n              type: 'text',\n              text: `Error getting score history: ${error instanceof Error ? error.message : 'Unknown error'}`,\n            },\n          ],\n          isError: true,\n        };\n      }\n    }\n  );\n}\n\nfunction registerSessionCalculateCurrentScoreTool(server: McpServer): void {\n  server.tool(\n    'session_calculate_current_score',\n    'Calculate current quality score for a session based on its state',\n    {\n      sessionId: z.string().describe('ID of the session'),\n    },\n    async ({ sessionId }) => {\n      try {\n        const session = await sessionDataManager.getSession(sessionId);\n        \n        if (!session) {\n          return {\n            content: [\n              {\n                type: 'text',\n                text: `Session not found: ${sessionId}`,\n              },\n            ],\n            isError: true,\n          };\n        }\n\n        // Calculate quality score based on current state\n        const scoreRecord = calculateQualityScore(session);\n        \n        // Add the score to the session\n        await sessionDataManager.addQualityScore(sessionId, scoreRecord);\n        \n        // Get updated session with new score\n        const updatedSession = await sessionDataManager.getSession(sessionId);\n\n        return {\n          content: [\n            {\n              type: 'text',\n              text: JSON.stringify(scoreRecord, null, 2),\n            },\n          ],\n          recommendations: generateRecommendations(updatedSession, 'session_calculate_current_score'),\n        };\n      } catch (error) {\n        logger.error('Error calculating current score:', error);\n        return {\n          content: [\n            {\n              type: 'text',\n              text: `Error calculating current score: ${error instanceof Error ? error.message : 'Unknown error'}`,\n            },\n          ],\n          isError: true,\n        };\n      }\n    }\n  );\n}\n\n/**\n * Batch Operations Tools\n */\n\nfunction registerSessionsCompareTool(server: McpServer): void {\n  server.tool(\n    'sessions_compare',\n    'Compare multiple query development sessions across specified dimensions',\n    {\n      sessionIds: z.array(z.string()).describe('Array of session IDs to compare'),\n      dimensions: z.array(z.string()).optional().describe('Specific dimensions to compare (default: all)'),\n    },\n    async ({ sessionIds, dimensions }) => {\n      try {\n        const sessions = await Promise.all(\n          sessionIds.map(id => sessionDataManager.getSession(id))\n        );\n\n        const validSessions = sessions.filter(s => s !== null) as QueryDevelopmentSession[];\n        \n        if (validSessions.length === 0) {\n          return {\n            content: [\n              {\n                type: 'text',\n                text: 'No valid sessions found for comparison',\n              },\n            ],\n            isError: true,\n          };\n        }\n\n        const comparison = await compareSessions(validSessions, dimensions);\n\n        return {\n          content: [\n            {\n              type: 'text',\n              text: JSON.stringify(comparison, null, 2),\n            },\n          ],\n        };\n      } catch (error) {\n        logger.error('Error comparing sessions:', error);\n        return {\n          content: [\n            {\n              type: 'text',\n              text: `Error comparing sessions: ${error instanceof Error ? error.message : 'Unknown error'}`,\n            },\n          ],\n          isError: true,\n        };\n      }\n    }\n  );\n}\n\nfunction registerSessionsAggregateTool(server: McpServer): void {\n  server.tool(\n    'sessions_aggregate',\n    'Generate aggregate insights from multiple sessions based on filters',\n    {\n      queryPath: z.string().optional().describe('Filter by query path (partial match)'),\n      status: z.string().optional().describe('Filter by session status'),\n      dateRange: z.array(z.string()).length(2).optional().describe('Filter by date range [start, end] (ISO timestamps)'),\n      language: z.string().optional().describe('Filter by programming language'),\n      queryType: z.string().optional().describe('Filter by query type'),\n    },\n    async ({ queryPath, status, dateRange, language, queryType }) => {\n      try {\n        const filters: SessionFilter = {};\n        if (queryPath) filters.queryPath = queryPath;\n        if (status) filters.status = status;\n        if (dateRange) filters.dateRange = [dateRange[0], dateRange[1]];\n        if (language) filters.language = language;\n        if (queryType) filters.queryType = queryType;\n\n        const sessions = await sessionDataManager.listSessions(\n          Object.keys(filters).length > 0 ? filters : undefined\n        );\n\n        const aggregate = await aggregateSessions(sessions, filters);\n\n        return {\n          content: [\n            {\n              type: 'text',\n              text: JSON.stringify(aggregate, null, 2),\n            },\n          ],\n        };\n      } catch (error) {\n        logger.error('Error aggregating sessions:', error);\n        return {\n          content: [\n            {\n              type: 'text',\n              text: `Error aggregating sessions: ${error instanceof Error ? error.message : 'Unknown error'}`,\n            },\n          ],\n          isError: true,\n        };\n      }\n    }\n  );\n}\n\nfunction registerSessionsExportTool(server: McpServer): void {\n  server.tool(\n    'sessions_export',\n    'Export session data in specified format for external analysis',\n    {\n      sessionIds: z.array(z.string()).describe('Array of session IDs to export'),\n      format: z.enum(['json', 'html', 'markdown']).optional().default('json').describe('Export format'),\n    },\n    async ({ sessionIds, format = 'json' }) => {\n      try {\n        const sessions = await Promise.all(\n          sessionIds.map(id => sessionDataManager.getSession(id))\n        );\n\n        const validSessions = sessions.filter(s => s !== null) as QueryDevelopmentSession[];\n        \n        if (validSessions.length === 0) {\n          return {\n            content: [\n              {\n                type: 'text',\n                text: 'No valid sessions found for export',\n              },\n            ],\n            isError: true,\n          };\n        }\n\n        const exportResult = await exportSessions(validSessions, format);\n\n        return {\n          content: [\n            {\n              type: 'text',\n              text: JSON.stringify(exportResult, null, 2),\n            },\n          ],\n        };\n      } catch (error) {\n        logger.error('Error exporting sessions:', error);\n        return {\n          content: [\n            {\n              type: 'text',\n              text: `Error exporting sessions: ${error instanceof Error ? error.message : 'Unknown error'}`,\n            },\n          ],\n          isError: true,\n        };\n      }\n    }\n  );\n}\n\n/**\n * Helper Functions\n */\n\n/**\n * Calculate quality score for a session based on current state and history\n */\nfunction calculateQualityScore(session: QueryDevelopmentSession): QualityScoreRecord {\n  const timestamp = new Date().toISOString();\n  \n  // Calculate syntactic correctness (25%)\n  const syntacticCorrectness = session.currentState.compilationStatus === 'success' ? 100 :\n    session.currentState.compilationStatus === 'failed' ? 0 : 50;\n\n  // Calculate test coverage and results (30%)\n  const testCoverageResults = session.currentState.testStatus === 'passing' ? 100 :\n    session.currentState.testStatus === 'failing' ? 25 :\n    session.currentState.testStatus === 'no_tests' ? 0 : 50;\n\n  // Calculate documentation quality (20%)\n  const documentationQuality = session.currentState.documentationStatus === 'present' ? 100 :\n    session.currentState.documentationStatus === 'incomplete' ? 60 :\n    session.currentState.documentationStatus === 'missing' ? 0 : 50;\n\n  // Calculate functional correctness (25%) - based on successful test runs\n  const successfulTests = session.testExecutions.filter(t => t.success && t.type === 'test_run').length;\n  const totalTests = session.testExecutions.filter(t => t.type === 'test_run').length;\n  const functionalCorrectness = totalTests > 0 ? (successfulTests / totalTests) * 100 : 50;\n\n  // Calculate overall score\n  const overallScore = Math.round(\n    (syntacticCorrectness * 0.25) +\n    (testCoverageResults * 0.30) +\n    (documentationQuality * 0.20) +\n    (functionalCorrectness * 0.25)\n  );\n\n  // Determine grade\n  const grade = overallScore >= 90 ? 'A' :\n    overallScore >= 80 ? 'B' :\n    overallScore >= 70 ? 'C' :\n    overallScore >= 60 ? 'D' : 'F';\n\n  // Generate recommendations\n  const recommendations: string[] = [];\n  if (syntacticCorrectness < 100) {\n    recommendations.push('Fix compilation errors to improve syntactic correctness');\n  }\n  if (testCoverageResults < 70) {\n    recommendations.push('Add comprehensive tests and ensure they pass');\n  }\n  if (documentationQuality < 80) {\n    recommendations.push('Add or improve query documentation with examples');\n  }\n  if (functionalCorrectness < 80) {\n    recommendations.push('Improve test pass rate and verify query logic');\n  }\n\n  return {\n    scoreId: randomUUID(),\n    timestamp,\n    overallScore,\n    dimensions: {\n      syntacticCorrectness,\n      testCoverageResults,\n      documentationQuality,\n      functionalCorrectness,\n    },\n    grade,\n    recommendations,\n  };\n}\n\n/**\n * Compare multiple sessions\n */\nasync function compareSessions(\n  sessions: QueryDevelopmentSession[],\n  dimensions?: string[]\n): Promise<ComparisonReport> {\n  const timestamp = new Date().toISOString();\n  const sessionIds = sessions.map(s => s.sessionId);\n  \n  const results: Record<string, unknown> = {\n    sessionCount: sessions.length,\n    sessionOverview: sessions.map(s => ({\n      sessionId: s.sessionId,\n      queryPath: s.queryPath,\n      status: s.status,\n      mcpCallsCount: s.mcpCalls.length,\n      duration: s.endTime ? \n        new Date(s.endTime).getTime() - new Date(s.startTime).getTime() : \n        new Date().getTime() - new Date(s.startTime).getTime(),\n      currentScore: s.qualityScores.length > 0 ? \n        s.qualityScores[s.qualityScores.length - 1].overallScore : null,\n    })),\n  };\n\n  if (!dimensions || dimensions.includes('quality')) {\n    const qualityScores = sessions.map(s => \n      s.qualityScores.length > 0 ? s.qualityScores[s.qualityScores.length - 1] : null\n    );\n    results.qualityComparison = {\n      averageScore: qualityScores\n        .filter(q => q !== null)\n        .reduce((sum, q) => sum + q!.overallScore, 0) / qualityScores.filter(q => q !== null).length,\n      scoreRange: {\n        min: Math.min(...qualityScores.filter(q => q !== null).map(q => q!.overallScore)),\n        max: Math.max(...qualityScores.filter(q => q !== null).map(q => q!.overallScore)),\n      },\n    };\n  }\n\n  if (!dimensions || dimensions.includes('activity')) {\n    results.activityComparison = {\n      totalMCPCalls: sessions.reduce((sum, s) => sum + s.mcpCalls.length, 0),\n      averageCallsPerSession: sessions.reduce((sum, s) => sum + s.mcpCalls.length, 0) / sessions.length,\n      mostActiveTool: getMostUsedTool(sessions),\n    };\n  }\n\n  return {\n    sessionIds,\n    dimensions: dimensions || ['all'],\n    timestamp,\n    results,\n  };\n}\n\n/**\n * Aggregate insights from multiple sessions\n */\nasync function aggregateSessions(\n  sessions: QueryDevelopmentSession[],\n  filters: SessionFilter\n): Promise<AggregateReport> {\n  const timestamp = new Date().toISOString();\n  \n  const completedSessions = sessions.filter(s => s.status === 'completed');\n  const successRate = sessions.length > 0 ? completedSessions.length / sessions.length : 0;\n  \n  const qualityScores = sessions\n    .map(s => s.qualityScores.length > 0 ? s.qualityScores[s.qualityScores.length - 1].overallScore : null)\n    .filter(score => score !== null) as number[];\n  \n  const averageQualityScore = qualityScores.length > 0 ? \n    qualityScores.reduce((sum, score) => sum + score, 0) / qualityScores.length : 0;\n\n  const commonPatterns = identifyCommonPatterns(sessions);\n  const recommendations = generateAggregateRecommendations(sessions);\n\n  return {\n    filters,\n    timestamp,\n    totalSessions: sessions.length,\n    successRate,\n    averageQualityScore,\n    commonPatterns,\n    recommendations,\n  };\n}\n\n/**\n * Export sessions in specified format\n */\nasync function exportSessions(\n  sessions: QueryDevelopmentSession[],\n  format: 'json' | 'html' | 'markdown'\n): Promise<ExportResult> {\n  const timestamp = new Date().toISOString();\n  const filename = `session-export-${timestamp.replace(/[:.]/g, '-')}.${format}`;\n  \n  let content: string;\n  \n  switch (format) {\n    case 'json':\n      content = JSON.stringify(sessions, null, 2);\n      break;\n    case 'html':\n      content = generateHTMLReport(sessions);\n      break;\n    case 'markdown':\n      content = generateMarkdownReport(sessions);\n      break;\n  }\n\n  return {\n    format,\n    filename,\n    content,\n    timestamp,\n  };\n}\n\n/**\n * Utility functions\n */\n\nfunction getMostUsedTool(sessions: QueryDevelopmentSession[]): string {\n  const toolCounts: Record<string, number> = {};\n  \n  sessions.forEach(session => {\n    session.mcpCalls.forEach(call => {\n      toolCounts[call.toolName] = (toolCounts[call.toolName] || 0) + 1;\n    });\n  });\n\n  return Object.entries(toolCounts)\n    .sort(([, a], [, b]) => b - a)[0]?.[0] || 'none';\n}\n\nfunction identifyCommonPatterns(sessions: QueryDevelopmentSession[]): string[] {\n  const patterns: string[] = [];\n  \n  const commonTools = getMostUsedTool(sessions);\n  if (commonTools && commonTools !== 'none') {\n    patterns.push(`Most commonly used tool: ${commonTools}`);\n  }\n\n  const completionRate = sessions.filter(s => s.status === 'completed').length / sessions.length;\n  if (completionRate > 0.8) {\n    patterns.push('High completion rate indicates effective workflow');\n  } else if (completionRate < 0.5) {\n    patterns.push('Low completion rate suggests workflow issues');\n  }\n\n  return patterns;\n}\n\nfunction generateAggregateRecommendations(sessions: QueryDevelopmentSession[]): string[] {\n  const recommendations: string[] = [];\n  \n  const failedSessions = sessions.filter(s => s.status === 'failed');\n  if (failedSessions.length > sessions.length * 0.3) {\n    recommendations.push('High failure rate - consider improving error handling and guidance');\n  }\n\n  const averageCallsPerSession = sessions.reduce((sum, s) => sum + s.mcpCalls.length, 0) / sessions.length;\n  if (averageCallsPerSession > 20) {\n    recommendations.push('High number of MCP calls per session - consider workflow optimization');\n  }\n\n  return recommendations;\n}\n\nfunction generateHTMLReport(sessions: QueryDevelopmentSession[]): string {\n  const html = `\n<!DOCTYPE html>\n<html>\n<head>\n    <title>Session Export Report</title>\n    <style>\n        body { font-family: Arial, sans-serif; margin: 20px; }\n        table { border-collapse: collapse; width: 100%; }\n        th, td { border: 1px solid #ddd; padding: 8px; text-align: left; }\n        th { background-color: #f2f2f2; }\n        .session { margin-bottom: 20px; padding: 10px; border: 1px solid #eee; }\n    </style>\n</head>\n<body>\n    <h1>Query Development Sessions Report</h1>\n    <p>Generated: ${new Date().toISOString()}</p>\n    <p>Total Sessions: ${sessions.length}</p>\n    \n    ${sessions.map(session => `\n    <div class=\"session\">\n        <h2>Session: ${session.sessionId}</h2>\n        <p><strong>Query Path:</strong> ${session.queryPath}</p>\n        <p><strong>Status:</strong> ${session.status}</p>\n        <p><strong>Language:</strong> ${session.language}</p>\n        <p><strong>Start Time:</strong> ${session.startTime}</p>\n        <p><strong>MCP Calls:</strong> ${session.mcpCalls.length}</p>\n        <p><strong>Test Executions:</strong> ${session.testExecutions.length}</p>\n        <p><strong>Quality Scores:</strong> ${session.qualityScores.length}</p>\n    </div>\n    `).join('')}\n</body>\n</html>`;\n  \n  return html;\n}\n\nfunction generateMarkdownReport(sessions: QueryDevelopmentSession[]): string {\n  const md = `# Query Development Sessions Report\n\nGenerated: ${new Date().toISOString()}\nTotal Sessions: ${sessions.length}\n\n## Session Summary\n\n| Session ID | Query Path | Status | Language | MCP Calls | Test Executions |\n|------------|-----------|--------|----------|-----------|-----------------|\n${sessions.map(session => \n  `| ${session.sessionId} | ${session.queryPath} | ${session.status} | ${session.language} | ${session.mcpCalls.length} | ${session.testExecutions.length} |`\n).join('\\n')}\n\n## Detailed Sessions\n\n${sessions.map(session => `\n### Session: ${session.sessionId}\n\n- **Query Path:** ${session.queryPath}\n- **Status:** ${session.status}\n- **Language:** ${session.language}\n- **Start Time:** ${session.startTime}\n- **End Time:** ${session.endTime || 'N/A'}\n- **MCP Calls:** ${session.mcpCalls.length}\n- **Test Executions:** ${session.testExecutions.length}\n- **Quality Scores:** ${session.qualityScores.length}\n\n${session.recommendations.length > 0 ? `\n**Current Recommendations:**\n${session.recommendations.map(rec => `- ${rec}`).join('\\n')}\n` : ''}\n`).join('\\n')}`;\n\n  return md;\n}\n\nfunction _calculateAverageDuration(sessions: QueryDevelopmentSession[]): number {\n  const completedSessions = sessions.filter(s => s.endTime);\n  if (completedSessions.length === 0) return 0;\n\n  const totalDuration = completedSessions.reduce((sum, session) => {\n    return sum + (new Date(session.endTime!).getTime() - new Date(session.startTime).getTime());\n  }, 0);\n\n  return totalDuration / completedSessions.length;\n}\n\nfunction _identifyFailureReasons(results: FunctionalTestResult[]): string[] {\n  const failedResults = results.filter(r => !r.passed);\n  const reasons: Record<string, number> = {};\n\n  failedResults.forEach(result => {\n    Object.entries(result.criteria).forEach(([criterion, passed]) => {\n      if (!passed) {\n        reasons[criterion] = (reasons[criterion] || 0) + 1;\n      }\n    });\n  });\n\n  return Object.entries(reasons)\n    .sort(([, a], [, b]) => b - a)\n    .map(([reason, count]) => `${reason}: ${count} sessions`);\n}\n\n/**\n * Generate recommendations for MCP tool responses\n * Returns a map of MCP primitive paths to recommendation reasons\n */\nfunction generateRecommendations(\n  session: QueryDevelopmentSession | null,\n  currentTool: string\n): Record<string, string> {\n  if (!session) {\n    return {};\n  }\n\n  const recommendations: Record<string, string> = {};\n\n  // Session state-based recommendations\n  if (session.currentState.compilationStatus === 'failed') {\n    recommendations['codeql_query_format'] = 'Format query to fix potential syntax issues';\n    recommendations['codeql_query_compile'] = 'Recompile after fixing syntax errors';\n  } else if (session.currentState.compilationStatus === 'success') {\n    if (session.currentState.testStatus === 'unknown' || session.currentState.testStatus === 'no_tests') {\n      recommendations['codeql_test_run'] = 'Run tests to validate query functionality';\n    } else if (session.currentState.testStatus === 'failing') {\n      recommendations['session_get_test_history'] = 'Review test failures to identify issues';\n      recommendations['codeql_query_compile'] = 'Verify query logic matches test expectations';\n    } else if (session.currentState.testStatus === 'passing') {\n      recommendations['session_calculate_current_score'] = 'Calculate quality score for completed query';\n    }\n  }\n\n  // Tool-specific follow-up recommendations\n  switch (currentTool) {\n    case 'session_get':\n      if (session.mcpCalls.length === 0) {\n        recommendations['codeql_query_compile'] = 'Start development by compiling the query';\n      }\n      break;\n    case 'session_end':\n      if (session.status === 'completed') {\n        recommendations['sessions_export'] = 'Export session data for analysis';\n      }\n      break;\n    case 'session_calculate_current_score': {\n      const latestScore = session.qualityScores[session.qualityScores.length - 1];\n      if (latestScore && latestScore.overallScore < 80) {\n        if (latestScore.dimensions.syntacticCorrectness < 100) {\n          recommendations['codeql_query_format'] = 'Improve syntax and formatting';\n        }\n        if (latestScore.dimensions.testCoverageResults < 70) {\n          recommendations['codeql_test_run'] = 'Improve test coverage and results';\n        }\n      }\n      break;\n    }\n    case 'session_update_state':\n      // Recommend next logical step based on updated state\n      if (session.currentState.compilationStatus === 'success' && session.currentState.testStatus === 'unknown') {\n        recommendations['codeql_test_run'] = 'Run tests now that compilation is successful';\n      }\n      break;\n  }\n\n  return recommendations;\n}\n\n/**\n * Generate recommendations for session list results\n */\nfunction generateListRecommendations(sessions: QueryDevelopmentSession[]): Record<string, string> {\n  const recommendations: Record<string, string> = {};\n\n  const activeSessions = sessions.filter(s => s.status === 'active');\n  const completedSessions = sessions.filter(s => s.status === 'completed');\n\n  if (activeSessions.length > 0) {\n    recommendations['session_get'] = `Review details of ${activeSessions.length} active session(s)`;\n  }\n\n  if (completedSessions.length > 1) {\n    recommendations['sessions_compare'] = 'Compare completed sessions to identify patterns';\n    recommendations['sessions_aggregate'] = 'Generate aggregate insights from multiple sessions';\n  }\n\n  if (sessions.length > 5) {\n    recommendations['sessions_export'] = 'Export session data for comprehensive analysis';\n  }\n\n  return recommendations;\n}", "function checkArgs(adapter, defaultData) {\n    if (adapter === undefined)\n        throw new Error('lowdb: missing adapter');\n    if (defaultData === undefined)\n        throw new Error('lowdb: missing default data');\n}\nexport class Low {\n    adapter;\n    data;\n    constructor(adapter, defaultData) {\n        checkArgs(adapter, defaultData);\n        this.adapter = adapter;\n        this.data = defaultData;\n    }\n    async read() {\n        const data = await this.adapter.read();\n        if (data)\n            this.data = data;\n    }\n    async write() {\n        if (this.data)\n            await this.adapter.write(this.data);\n    }\n    async update(fn) {\n        fn(this.data);\n        await this.write();\n    }\n}\nexport class LowSync {\n    adapter;\n    data;\n    constructor(adapter, defaultData) {\n        checkArgs(adapter, defaultData);\n        this.adapter = adapter;\n        this.data = defaultData;\n    }\n    read() {\n        const data = this.adapter.read();\n        if (data)\n            this.data = data;\n    }\n    write() {\n        if (this.data)\n            this.adapter.write(this.data);\n    }\n    update(fn) {\n        fn(this.data);\n        this.write();\n    }\n}\n", "import { readFileSync, renameSync, writeFileSync } from 'node:fs';\nimport { readFile } from 'node:fs/promises';\nimport path from 'node:path';\nimport { Writer } from 'steno';\nexport class TextFile {\n    #filename;\n    #writer;\n    constructor(filename) {\n        this.#filename = filename;\n        this.#writer = new Writer(filename);\n    }\n    async read() {\n        let data;\n        try {\n            data = await readFile(this.#filename, 'utf-8');\n        }\n        catch (e) {\n            if (e.code === 'ENOENT') {\n                return null;\n            }\n            throw e;\n        }\n        return data;\n    }\n    write(str) {\n        return this.#writer.write(str);\n    }\n}\nexport class TextFileSync {\n    #tempFilename;\n    #filename;\n    constructor(filename) {\n        this.#filename = filename;\n        const f = filename.toString();\n        this.#tempFilename = path.join(path.dirname(f), `.${path.basename(f)}.tmp`);\n    }\n    read() {\n        let data;\n        try {\n            data = readFileSync(this.#filename, 'utf-8');\n        }\n        catch (e) {\n            if (e.code === 'ENOENT') {\n                return null;\n            }\n            throw e;\n        }\n        return data;\n    }\n    write(str) {\n        writeFileSync(this.#tempFilename, str);\n        renameSync(this.#tempFilename, this.#filename);\n    }\n}\n", "import { TextFile, TextFileSync } from './TextFile.js';\nexport class DataFile {\n    #adapter;\n    #parse;\n    #stringify;\n    constructor(filename, { parse, stringify, }) {\n        this.#adapter = new TextFile(filename);\n        this.#parse = parse;\n        this.#stringify = stringify;\n    }\n    async read() {\n        const data = await this.#adapter.read();\n        if (data === null) {\n            return null;\n        }\n        else {\n            return this.#parse(data);\n        }\n    }\n    write(obj) {\n        return this.#adapter.write(this.#stringify(obj));\n    }\n}\nexport class DataFileSync {\n    #adapter;\n    #parse;\n    #stringify;\n    constructor(filename, { parse, stringify, }) {\n        this.#adapter = new TextFileSync(filename);\n        this.#parse = parse;\n        this.#stringify = stringify;\n    }\n    read() {\n        const data = this.#adapter.read();\n        if (data === null) {\n            return null;\n        }\n        else {\n            return this.#parse(data);\n        }\n    }\n    write(obj) {\n        this.#adapter.write(this.#stringify(obj));\n    }\n}\n", "import { DataFile, DataFileSync } from './DataFile.js';\nexport class JSONFile extends DataFile {\n    constructor(filename) {\n        super(filename, {\n            parse: JSON.parse,\n            stringify: (data) => JSON.stringify(data, null, 2),\n        });\n    }\n}\nexport class JSONFileSync extends DataFileSync {\n    constructor(filename) {\n        super(filename, {\n            parse: JSON.parse,\n            stringify: (data) => JSON.stringify(data, null, 2),\n        });\n    }\n}\n", "/**\n * Session Data Management\n * Provides unified JSON storage and session lifecycle management using lowdb\n */\n\nimport { Low } from 'lowdb';\nimport { JSONFileSync } from 'lowdb/node';\nimport { mkdirSync, writeFileSync } from 'fs';\nimport { join } from 'path';\nimport { randomUUID } from 'crypto';\nimport { getProjectTmpBase } from '../utils/temp-dir';\nimport {\n  QueryDevelopmentSession,\n  QueryState,\n  MCPCallRecord,\n  TestExecutionRecord,\n  QualityScoreRecord,\n  SessionFilter,\n  MonitoringConfig,\n  MonitoringConfigSchema,\n} from '../types/monitoring';\nimport { logger } from '../utils/logger';\n\n/**\n * Database schema for lowdb - sessions only\n */\ninterface SessionDatabase {\n  sessions: QueryDevelopmentSession[];\n}\n\n/**\n * Session Data Manager - handles all session persistence and lifecycle\n */\nexport class SessionDataManager {\n  private db: Low<SessionDatabase>;\n  private config: MonitoringConfig;\n  private storageDir: string;\n\n  constructor(configOverrides: Partial<MonitoringConfig> = {}) {\n    this.config = MonitoringConfigSchema.parse({\n      ...MonitoringConfigSchema.parse({}),\n      ...configOverrides,\n    });\n\n    this.storageDir = this.config.storageLocation;\n    this.ensureStorageDirectory();\n\n    const adapter = new JSONFileSync<SessionDatabase>(join(this.storageDir, 'sessions.json'));\n    this.db = new Low(adapter, {\n      sessions: [],\n    });\n\n    this.initializeDatabase();\n  }\n\n  /**\n   * Initialize the database and ensure it's properly set up\n   */\n  async initialize(): Promise<void> {\n    await this.initializeDatabase();\n  }\n\n  /**\n   * Initialize the database and ensure it's properly set up\n   */\n  private async initializeDatabase(): Promise<void> {\n    try {\n      await this.db.read();\n      \n      logger.info(`Session data manager initialized with ${this.db.data.sessions.length} sessions`);\n    } catch (error) {\n      logger.error('Failed to initialize session database:', error);\n      throw error;\n    }\n  }\n\n  /**\n   * Ensure storage directory structure exists\n   */\n  private ensureStorageDirectory(): void {\n    try {\n      // mkdirSync with recursive: true is a no-op if directories already exist\n      mkdirSync(this.storageDir, { recursive: true });\n\n      // Create subdirectories\n      const subdirs = ['sessions-archive', 'exports'];\n      for (const subdir of subdirs) {\n        mkdirSync(join(this.storageDir, subdir), { recursive: true });\n      }\n\n      // Use 'wx' flag (exclusive create) to atomically create config only\n      // if it doesn't exist, avoiding TOCTOU race (CWE-367).\n      const configPath = join(this.storageDir, 'config.json');\n      try {\n        writeFileSync(configPath, JSON.stringify(this.config, null, 2), { flag: 'wx' });\n      } catch (e: unknown) {\n        const err = e as { code?: string };\n        if (err.code !== 'EEXIST') throw e;\n      }\n\n      logger.debug(`Storage directory initialized: ${this.storageDir}`);\n    } catch (error) {\n      logger.error('Failed to create storage directory:', error);\n      throw error;\n    }\n  }\n\n  /**\n   * Start a new query development session\n   */\n  async startSession(\n    queryPath: string,\n    language?: string,\n    queryType?: string,\n    description?: string\n  ): Promise<string> {\n    const sessionId = randomUUID();\n    const startTime = new Date().toISOString();\n\n    const session: QueryDevelopmentSession = {\n      sessionId,\n      queryPath,\n      language: language || 'unknown',\n      queryType,\n      description,\n      startTime,\n      status: 'active',\n      mcpCalls: [],\n      testExecutions: [],\n      qualityScores: [],\n      currentState: {\n        filesPresent: [],\n        compilationStatus: 'unknown',\n        testStatus: 'unknown',\n        documentationStatus: 'unknown',\n        lastActivity: startTime,\n      },\n      recommendations: [],\n    };\n\n    await this.db.read();\n    this.db.data.sessions.push(session);\n    await this.db.write();\n\n    logger.info(`Started new session: ${sessionId} for query: ${queryPath}`);\n    return sessionId;\n  }\n\n  /**\n   * End a session with final status\n   */\n  async endSession(\n    sessionId: string,\n    status: 'completed' | 'failed' | 'abandoned'\n  ): Promise<QueryDevelopmentSession | null> {\n    await this.db.read();\n    \n    const session = this.db.data.sessions.find(s => s.sessionId === sessionId);\n    if (!session) {\n      logger.warn(`Session not found: ${sessionId}`);\n      return null;\n    }\n\n    session.status = status;\n    session.endTime = new Date().toISOString();\n    session.currentState.lastActivity = session.endTime;\n\n    await this.db.write();\n\n    // Archive completed session if enabled\n    if (this.config.archiveCompletedSessions && status === 'completed') {\n      await this.archiveSession(sessionId);\n    }\n\n    logger.info(`Ended session: ${sessionId} with status: ${status}`);\n    return session;\n  }\n\n  /**\n   * Get a specific session by ID\n   */\n  async getSession(sessionId: string): Promise<QueryDevelopmentSession | null> {\n    await this.db.read();\n    const session = this.db.data.sessions.find(s => s.sessionId === sessionId);\n    return session || null;\n  }\n\n  /**\n   * List sessions with optional filtering\n   */\n  async listSessions(filters?: SessionFilter): Promise<QueryDevelopmentSession[]> {\n    await this.db.read();\n    let sessions = [...this.db.data.sessions];\n\n    if (filters) {\n      if (filters.queryPath) {\n        sessions = sessions.filter(s => s.queryPath.includes(filters.queryPath!));\n      }\n      if (filters.status) {\n        sessions = sessions.filter(s => s.status === filters.status);\n      }\n      if (filters.language) {\n        sessions = sessions.filter(s => s.language === filters.language);\n      }\n      if (filters.queryType) {\n        sessions = sessions.filter(s => s.queryType === filters.queryType);\n      }\n      if (filters.dateRange) {\n        const [start, end] = filters.dateRange;\n        sessions = sessions.filter(s => \n          s.startTime >= start && s.startTime <= end\n        );\n      }\n    }\n\n    return sessions;\n  }\n\n  /**\n   * Update session state\n   */\n  async updateSessionState(\n    sessionId: string,\n    stateUpdate: Partial<QueryState>\n  ): Promise<QueryDevelopmentSession | null> {\n    await this.db.read();\n    \n    const session = this.db.data.sessions.find(s => s.sessionId === sessionId);\n    if (!session) {\n      logger.warn(`Session not found: ${sessionId}`);\n      return null;\n    }\n\n    session.currentState = {\n      ...session.currentState,\n      ...stateUpdate,\n      lastActivity: new Date().toISOString(),\n    };\n\n    await this.db.write();\n    return session;\n  }\n\n  /**\n   * Add MCP call record to session\n   */\n  async addMCPCall(sessionId: string, callRecord: MCPCallRecord): Promise<void> {\n    await this.db.read();\n    \n    const session = this.db.data.sessions.find(s => s.sessionId === sessionId);\n    if (!session) {\n      logger.warn(`Session not found for MCP call: ${sessionId}`);\n      return;\n    }\n\n    session.mcpCalls.push(callRecord);\n    session.currentState.lastActivity = callRecord.timestamp;\n\n    // Update next suggested tool if provided\n    if (callRecord.nextSuggestedTool) {\n      session.nextSuggestedTool = callRecord.nextSuggestedTool;\n    }\n\n    await this.db.write();\n  }\n\n  /**\n   * Add test execution record to session\n   */\n  async addTestExecution(sessionId: string, testRecord: TestExecutionRecord): Promise<void> {\n    await this.db.read();\n    \n    const session = this.db.data.sessions.find(s => s.sessionId === sessionId);\n    if (!session) {\n      logger.warn(`Session not found for test execution: ${sessionId}`);\n      return;\n    }\n\n    session.testExecutions.push(testRecord);\n    session.currentState.lastActivity = testRecord.timestamp;\n\n    // Update compilation/test status based on execution\n    if (testRecord.type === 'compilation') {\n      session.currentState.compilationStatus = testRecord.success ? 'success' : 'failed';\n    } else if (testRecord.type === 'test_run') {\n      session.currentState.testStatus = testRecord.success ? 'passing' : 'failing';\n    }\n\n    await this.db.write();\n  }\n\n  /**\n   * Add quality score record to session\n   */\n  async addQualityScore(sessionId: string, scoreRecord: QualityScoreRecord): Promise<void> {\n    await this.db.read();\n    \n    const session = this.db.data.sessions.find(s => s.sessionId === sessionId);\n    if (!session) {\n      logger.warn(`Session not found for quality score: ${sessionId}`);\n      return;\n    }\n\n    session.qualityScores.push(scoreRecord);\n    session.currentState.lastActivity = scoreRecord.timestamp;\n    session.recommendations = scoreRecord.recommendations;\n\n    await this.db.write();\n  }\n\n  /**\n   * Archive a completed session to monthly file\n   */\n  private async archiveSession(sessionId: string): Promise<void> {\n    try {\n      const session = await this.getSession(sessionId);\n      if (!session) return;\n\n      const date = new Date(session.endTime || session.startTime);\n      const monthDir = `${date.getFullYear()}-${String(date.getMonth() + 1).padStart(2, '0')}`;\n      const archiveDir = join(this.storageDir, 'sessions-archive', monthDir);\n\n      mkdirSync(archiveDir, { recursive: true });\n\n      const archiveFile = join(archiveDir, `${sessionId}.json`);\n      writeFileSync(archiveFile, JSON.stringify(session, null, 2));\n\n      // Remove from active sessions\n      await this.db.read();\n      this.db.data.sessions = this.db.data.sessions.filter(s => s.sessionId !== sessionId);\n      await this.db.write();\n\n      logger.info(`Archived session: ${sessionId} to ${archiveFile}`);\n    } catch (error) {\n      logger.error(`Failed to archive session ${sessionId}:`, error);\n    }\n  }\n\n  /**\n   * Get active sessions for a specific query path\n   */\n  async getActiveSessionsForQuery(queryPath: string): Promise<QueryDevelopmentSession[]> {\n    await this.db.read();\n    return this.db.data.sessions.filter(s => \n      s.queryPath === queryPath && s.status === 'active'\n    );\n  }\n\n  /**\n   * Clean up old sessions based on retention policy\n   */\n  async cleanupOldSessions(): Promise<void> {\n    const cutoffDate = new Date();\n    cutoffDate.setDate(cutoffDate.getDate() - this.config.retentionDays);\n    const cutoffTimestamp = cutoffDate.toISOString();\n\n    await this.db.read();\n    const sessionsToRemove = this.db.data.sessions.filter(s => \n      s.endTime && s.endTime < cutoffTimestamp\n    );\n\n    if (sessionsToRemove.length > 0) {\n      this.db.data.sessions = this.db.data.sessions.filter(s => \n        !s.endTime || s.endTime >= cutoffTimestamp\n      );\n      await this.db.write();\n\n      logger.info(`Cleaned up ${sessionsToRemove.length} old sessions`);\n    }\n  }\n\n  /**\n   * Get configuration\n   */\n  getConfig(): MonitoringConfig {\n    return this.config;\n  }\n\n  /**\n   * Update configuration\n   */\n  async updateConfig(configUpdate: Partial<MonitoringConfig>): Promise<void> {\n    this.config = MonitoringConfigSchema.parse({\n      ...this.config,\n      ...configUpdate,\n    });\n\n    // Update config.json file only\n    const configPath = join(this.storageDir, 'config.json');\n    writeFileSync(configPath, JSON.stringify(this.config, null, 2));\n\n    logger.info('Updated monitoring configuration');\n  }\n}\n\n/**\n * Parse boolean environment variable\n */\nfunction parseBoolEnv(envVar: string | undefined, defaultValue: boolean): boolean {\n  if (envVar === undefined) return defaultValue;\n  return envVar.toLowerCase() === 'true' || envVar === '1';\n}\n\n// Export singleton instance with environment variable support\nexport const sessionDataManager = new SessionDataManager({\n  storageLocation: process.env.MONITORING_STORAGE_LOCATION || join(getProjectTmpBase(), '.ql-mcp-tracking'),\n  enableMonitoringTools: parseBoolEnv(process.env.ENABLE_MONITORING_TOOLS, false),\n});", "import { z } from 'zod';\n\n/**\n * Monitoring and Reporting types for CodeQL Development MCP Server\n * Based on the specification in docs/mcp-server-monitoring-and-reporting.md\n */\n\n/**\n * MCP Call Record - captures individual MCP tool calls\n */\nexport const MCPCallRecordSchema = z.object({\n  callId: z.string(),\n  timestamp: z.string(), // ISO timestamp\n  toolName: z.string(),\n  parameters: z.record(z.any()),\n  result: z.any(),\n  success: z.boolean(),\n  duration: z.number(), // milliseconds\n  nextSuggestedTool: z.string().optional(),\n});\n\nexport type MCPCallRecord = z.infer<typeof MCPCallRecordSchema>;\n\n/**\n * Test Execution Record - captures query compilation and test runs\n */\nexport const TestExecutionRecordSchema = z.object({\n  executionId: z.string(),\n  timestamp: z.string(),\n  type: z.enum(['compilation', 'test_run', 'database_build']),\n  success: z.boolean(),\n  details: z.record(z.any()),\n  metrics: z.object({\n    passRate: z.number().optional(),\n    coverage: z.number().optional(),\n    performance: z.number().optional(),\n  }).optional(),\n});\n\nexport type TestExecutionRecord = z.infer<typeof TestExecutionRecordSchema>;\n\n/**\n * Quality Score Record - multi-dimensional quality assessment\n */\nexport const QualityScoreRecordSchema = z.object({\n  scoreId: z.string(),\n  timestamp: z.string(),\n  overallScore: z.number().min(0).max(100), // 0-100\n  dimensions: z.object({\n    syntacticCorrectness: z.number().min(0).max(100),\n    testCoverageResults: z.number().min(0).max(100),\n    documentationQuality: z.number().min(0).max(100),\n    functionalCorrectness: z.number().min(0).max(100),\n  }),\n  grade: z.enum(['A', 'B', 'C', 'D', 'F']),\n  recommendations: z.array(z.string()),\n});\n\nexport type QualityScoreRecord = z.infer<typeof QualityScoreRecordSchema>;\n\n/**\n * Query State - current state of the query development\n */\nexport const QueryStateSchema = z.object({\n  filesPresent: z.array(z.string()),\n  compilationStatus: z.enum(['unknown', 'success', 'failed']),\n  testStatus: z.enum(['unknown', 'passing', 'failing', 'no_tests']),\n  documentationStatus: z.enum(['unknown', 'present', 'missing', 'incomplete']),\n  lastActivity: z.string(), // ISO timestamp\n});\n\nexport type QueryState = z.infer<typeof QueryStateSchema>;\n\n/**\n * Query Development Session - main data structure for tracking\n */\nexport const QueryDevelopmentSessionSchema = z.object({\n  // Session Metadata\n  sessionId: z.string(),\n  queryPath: z.string(),\n  language: z.string(),\n  queryType: z.string().optional(),\n  description: z.string().optional(),\n  startTime: z.string(), // ISO timestamp\n  endTime: z.string().optional(), // ISO timestamp\n  status: z.enum(['active', 'completed', 'failed', 'abandoned']),\n\n  // MCP Call History\n  mcpCalls: z.array(MCPCallRecordSchema),\n\n  // Test Execution Records\n  testExecutions: z.array(TestExecutionRecordSchema),\n\n  // Quality Metrics\n  qualityScores: z.array(QualityScoreRecordSchema),\n\n  // Development State\n  currentState: QueryStateSchema,\n  recommendations: z.array(z.string()),\n  nextSuggestedTool: z.string().optional(),\n});\n\nexport type QueryDevelopmentSession = z.infer<typeof QueryDevelopmentSessionSchema>;\n\n/**\n * Session Filter for listing and searching\n */\nexport const SessionFilterSchema = z.object({\n  queryPath: z.string().optional(),\n  status: z.string().optional(),\n  dateRange: z.tuple([z.string(), z.string()]).optional(),\n  language: z.string().optional(),\n  queryType: z.string().optional(),\n});\n\nexport type SessionFilter = z.infer<typeof SessionFilterSchema>;\n\n/**\n * Comparison Report for analyzing multiple sessions\n */\nexport const ComparisonReportSchema = z.object({\n  sessionIds: z.array(z.string()),\n  dimensions: z.array(z.string()),\n  timestamp: z.string(),\n  results: z.record(z.any()),\n});\n\nexport type ComparisonReport = z.infer<typeof ComparisonReportSchema>;\n\n/**\n * Aggregate Report for batch analysis\n */\nexport const AggregateReportSchema = z.object({\n  filters: SessionFilterSchema,\n  timestamp: z.string(),\n  totalSessions: z.number(),\n  successRate: z.number(),\n  averageQualityScore: z.number(),\n  commonPatterns: z.array(z.string()),\n  recommendations: z.array(z.string()),\n});\n\nexport type AggregateReport = z.infer<typeof AggregateReportSchema>;\n\n/**\n * Export Result for data export operations\n */\nexport const ExportResultSchema = z.object({\n  format: z.enum(['json', 'html', 'markdown']),\n  filename: z.string(),\n  content: z.string(),\n  timestamp: z.string(),\n});\n\nexport type ExportResult = z.infer<typeof ExportResultSchema>;\n\n/**\n * Functional Test Result for automated testing\n */\nexport const FunctionalTestResultSchema = z.object({\n  sessionId: z.string(),\n  queryPath: z.string(),\n  passed: z.boolean(),\n  criteria: z.record(z.any()),\n  details: z.record(z.any()),\n  timestamp: z.string(),\n});\n\nexport type FunctionalTestResult = z.infer<typeof FunctionalTestResultSchema>;\n\n/**\n * Test Report for comprehensive test analysis\n */\nexport const TestReportSchema = z.object({\n  sessionIds: z.array(z.string()),\n  criteria: z.record(z.any()),\n  timestamp: z.string(),\n  overallPassRate: z.number(),\n  results: z.array(FunctionalTestResultSchema),\n  summary: z.record(z.any()),\n});\n\nexport type TestReport = z.infer<typeof TestReportSchema>;\n\n/**\n * Monitoring Configuration\n */\nexport const MonitoringConfigSchema = z.object({\n  storageLocation: z.string().default('.ql-mcp-tracking/'),\n  autoTrackSessions: z.boolean().default(true),\n  retentionDays: z.number().default(90),\n  includeCallParameters: z.boolean().default(true),\n  includeCallResults: z.boolean().default(true),\n  maxActiveSessionsPerQuery: z.number().default(3),\n  scoringFrequency: z.enum(['per_call', 'periodic', 'manual']).default('per_call'),\n  archiveCompletedSessions: z.boolean().default(true),\n  enableRecommendations: z.boolean().default(true),\n  enableMonitoringTools: z.boolean().default(false), // Opt-in: session_* tools disabled by default for end-users\n});\n\nexport type MonitoringConfig = z.infer<typeof MonitoringConfigSchema>;"],
+  "sourcesContent": ["/**\n * Simple logger utility.\n *\n * All log output is written to stderr. In stdio transport mode, stdout is\n * reserved exclusively for the MCP JSON-RPC protocol \u2014 any non-protocol\n * bytes on stdout would corrupt the message stream.\n */\nexport const logger = {\n  info: (message: string, ...args: unknown[]) => {\n    console.error(`[INFO] ${new Date().toISOString()} ${message}`, ...args);\n  },\n  error: (message: string, ...args: unknown[]) => {\n    console.error(`[ERROR] ${new Date().toISOString()} ${message}`, ...args);\n  },\n  warn: (message: string, ...args: unknown[]) => {\n    console.error(`[WARN] ${new Date().toISOString()} ${message}`, ...args);\n  },\n  debug: (message: string, ...args: unknown[]) => {\n    if (process.env.DEBUG) {\n      console.error(`[DEBUG] ${new Date().toISOString()} ${message}`, ...args);\n    }\n  },\n};\n", "/**\n * Configuration types for CodeQL background server processes.\n *\n * CodeQL provides three background server types:\n * 1. language-server  \u2013 LSP-based QL validation (JSON-RPC over stdio)\n * 2. query-server2    \u2013 Query evaluation (custom protocol over stdio)\n * 3. cli-server       \u2013 JVM reuse for CLI commands (custom protocol over stdio)\n *\n * Each server type has its own configuration options, but they share common\n * settings like searchPath and commonCaches.\n */\n\nimport { createHash } from 'crypto';\n\n/**\n * Server types supported by CodeQL.\n */\nexport type CodeQLServerType = 'cli' | 'language' | 'query';\n\n/**\n * Common configuration shared across all server types.\n */\nexport interface BaseServerConfig {\n  /** Path to QL packs (like `codeql query compile --search-path`). */\n  searchPath?: string;\n  /** Location for cached data (compilation plans, downloaded packs). */\n  commonCaches?: string;\n  /** Directory for detailed logs. */\n  logdir?: string;\n}\n\n/**\n * Configuration for the CodeQL Language Server.\n */\nexport interface LanguageServerConfig extends BaseServerConfig {\n  /** Error checking mode. Default: ON_CHANGE */\n  checkErrors?: 'EXPLICIT' | 'ON_CHANGE';\n  /** Log level for the language server. */\n  loglevel?: 'ALL' | 'DEBUG' | 'ERROR' | 'INFO' | 'OFF' | 'TRACE' | 'WARN';\n  /** Single-threaded execution. */\n  synchronous?: boolean;\n  /** Verbosity level for progress. */\n  verbosity?: 'errors' | 'progress' | 'progress+' | 'progress++' | 'progress+++' | 'warnings';\n}\n\n/**\n * Configuration for the CodeQL Query Server (query-server2).\n */\nexport interface QueryServerConfig extends BaseServerConfig {\n  /** Thread count. 0 = one per core, -N = leave N cores free. */\n  threads?: number;\n  /** Query evaluation timeout in seconds. */\n  timeout?: number;\n  /** Maximum disk cache size in MB for intermediate results. */\n  maxDiskCache?: number;\n  /** Path for structured evaluator performance logs. */\n  evaluatorLog?: string;\n  /** Include tuple counts in evaluation logs. */\n  tupleCounting?: boolean;\n  /** Enable debug mode. */\n  debug?: boolean;\n}\n\n/**\n * Configuration for the CodeQL CLI Server.\n */\nexport interface CLIServerConfig extends BaseServerConfig {\n  // cli-server has fewer options \u2014 just commonCaches and logdir.\n}\n\n/**\n * Union of all server configurations (discriminated by usage context).\n */\nexport type ServerConfig = CLIServerConfig | LanguageServerConfig | QueryServerConfig;\n\n/**\n * Compute a deterministic hash for a server configuration.\n * Used to detect configuration changes that require a server restart.\n *\n * @param type - The server type.\n * @param config - The server configuration.\n * @returns A hex-encoded SHA-256 hash of the canonical JSON representation.\n */\nexport function computeConfigHash(type: CodeQLServerType, config: ServerConfig): string {\n  // Deep-sort all keys to ensure deterministic serialization regardless of\n  // property insertion order.\n  const sortKeys = (_key: string, value: unknown): unknown => {\n    if (value && typeof value === 'object' && !Array.isArray(value)) {\n      const sorted: Record<string, unknown> = {};\n      for (const k of Object.keys(value as Record<string, unknown>).sort()) {\n        sorted[k] = (value as Record<string, unknown>)[k];\n      }\n      return sorted;\n    }\n    return value;\n  };\n  const canonical = JSON.stringify({ config, type }, sortKeys);\n  return createHash('sha256').update(canonical).digest('hex');\n}\n\n/**\n * Build command-line arguments for a language server from its configuration.\n */\nexport function buildLanguageServerArgs(config: LanguageServerConfig): string[] {\n  const args: string[] = [\n    'execute', 'language-server',\n    `--check-errors=${config.checkErrors ?? 'ON_CHANGE'}`,\n  ];\n\n  if (config.searchPath) {\n    args.push(`--search-path=${config.searchPath}`);\n  }\n  if (config.commonCaches) {\n    args.push(`--common-caches=${config.commonCaches}`);\n  }\n  if (config.logdir) {\n    args.push(`--logdir=${config.logdir}`);\n  }\n  if (config.loglevel) {\n    args.push(`--loglevel=${config.loglevel}`);\n  }\n  if (config.synchronous) {\n    args.push('--synchronous');\n  }\n  if (config.verbosity) {\n    args.push(`--verbosity=${config.verbosity}`);\n  }\n\n  return args;\n}\n\n/**\n * Build command-line arguments for a query server from its configuration.\n */\nexport function buildQueryServerArgs(config: QueryServerConfig): string[] {\n  const args: string[] = [\n    'execute', 'query-server2',\n  ];\n\n  if (config.searchPath) {\n    args.push(`--search-path=${config.searchPath}`);\n  }\n  if (config.commonCaches) {\n    args.push(`--common-caches=${config.commonCaches}`);\n  }\n  if (config.logdir) {\n    args.push(`--logdir=${config.logdir}`);\n  }\n  if (config.threads !== undefined) {\n    args.push(`--threads=${config.threads}`);\n  }\n  if (config.timeout !== undefined) {\n    args.push(`--timeout=${config.timeout}`);\n  }\n  if (config.maxDiskCache !== undefined) {\n    args.push(`--max-disk-cache=${config.maxDiskCache}`);\n  }\n  if (config.evaluatorLog) {\n    args.push(`--evaluator-log=${config.evaluatorLog}`);\n  }\n  if (config.debug) {\n    args.push('--debug');\n    args.push('--tuple-counting');\n  } else if (config.tupleCounting) {\n    args.push('--tuple-counting');\n  }\n\n  return args;\n}\n\n/**\n * Build command-line arguments for a CLI server from its configuration.\n */\nexport function buildCLIServerArgs(config: CLIServerConfig): string[] {\n  const args: string[] = [\n    'execute', 'cli-server',\n  ];\n\n  if (config.commonCaches) {\n    args.push(`--common-caches=${config.commonCaches}`);\n  }\n  if (config.logdir) {\n    args.push(`--logdir=${config.logdir}`);\n  }\n\n  return args;\n}\n", "/**\n * Utilities for resolving filesystem paths relative to the server package root.\n *\n * The server can run from three different directory layouts:\n *\n * 1. **Source** (dev):  `server/src/lib/` \u2192 packageRoot = `server/`\n * 2. **Bundle in monorepo** (dev/CI):  `server/dist/` \u2192 packageRoot = `server/`\n * 3. **Bundle via npm** (production):  `<pkg>/dist/` \u2192 packageRoot = `<pkg>/`\n *\n * In all three cases, the bundled QL tool query packs live at\n * `<packageRoot>/ql/<language>/tools/src/`.\n *\n * The \"workspace root\" (monorepo root) is one level above packageRoot when\n * running from the monorepo checkout, and the packageRoot itself when running\n * from an npm install (no parent monorepo).\n */\n\nimport { dirname, resolve } from 'path';\nimport { existsSync, readFileSync } from 'fs';\nimport { fileURLToPath } from 'url';\n\nconst __filename = fileURLToPath(import.meta.url);\nconst __dirname = dirname(__filename);\n\n/**\n * Detect whether the current __dirname looks like source code (`src/lib` or\n * `src/utils`) vs a bundled flat output directory (`dist/`).\n *\n * Uses a tail-of-path check so that unrelated `/src/` segments earlier in the\n * install path (e.g. `~/src/project/node_modules/.../dist`) don't cause a\n * false positive.\n */\nfunction isRunningFromSource(dir: string): boolean {\n  const normalized = dir.replace(/\\\\/g, '/');\n  return /\\/src(\\/[^/]+)?$/.test(normalized);\n}\n\n/**\n * Get the server package root directory.\n *\n * - From source (`server/src/utils/`): up 2 levels \u2192 `server/`\n * - From bundle (`server/dist/` or `<pkg>/dist/`): up 1 level \u2192 package root\n */\nexport function getPackageRootDir(currentDir: string = __dirname): string {\n  return isRunningFromSource(currentDir)\n    ? resolve(currentDir, '..', '..')   // src/utils \u2192 server/\n    : resolve(currentDir, '..');         // dist/ \u2192 package root\n}\n\n/**\n * Get the workspace root directory (monorepo root when applicable).\n *\n * If a `package.json` with `workspaces` exists one level above the package\n * root, we're in a monorepo and that parent is the workspace root. Otherwise,\n * the packageRoot itself is the workspace root (npm install scenario).\n */\nexport function getWorkspaceRootDir(packageRoot?: string): string {\n  const pkgRoot = packageRoot ?? getPackageRootDir();\n  const parentDir = resolve(pkgRoot, '..');\n\n  // In the monorepo, the parent directory contains a package.json with workspaces\n  try {\n    const parentPkgPath = resolve(parentDir, 'package.json');\n    if (existsSync(parentPkgPath)) {\n      const parentPkg = JSON.parse(readFileSync(parentPkgPath, 'utf8'));\n      if (parentPkg.workspaces) {\n        return parentDir;\n      }\n    }\n  } catch {\n    // Not in a monorepo \u2014 fall through\n  }\n\n  return pkgRoot;\n}\n\n/**\n * Resolve the path to a tool query pack's source directory.\n *\n * @param language - CodeQL language identifier (e.g., \"javascript\", \"cpp\")\n * @param packageRoot - Override the package root (for testing)\n * @returns Absolute path to `ql/<language>/tools/src/`\n */\nexport function resolveToolQueryPackPath(language: string, packageRoot?: string): string {\n  const pkgRoot = packageRoot ?? getPackageRootDir();\n  return resolve(pkgRoot, 'ql', language, 'tools', 'src');\n}\n\n/**\n * Read the package version from the nearest package.json.\n *\n * Cached at first call so the file is read at most once per process.\n */\nlet _cachedVersion: string | undefined;\nexport function getPackageVersion(): string {\n  if (_cachedVersion !== undefined) return _cachedVersion;\n  try {\n    const pkgPath = resolve(getPackageRootDir(), 'package.json');\n    const pkg = JSON.parse(readFileSync(pkgPath, 'utf8'));\n    _cachedVersion = pkg.version ?? '0.0.0';\n  } catch {\n    _cachedVersion = '0.0.0';\n  }\n  return _cachedVersion as string;\n}\n\n/**\n * Get the effective workspace directory for resolving user-supplied relative\n * paths (test directories, database paths, pack dirs, etc.).\n *\n * In a monorepo checkout the workspace root is the monorepo parent.  In an\n * npm-installed layout, `workspaceRootDir` falls back to `packageRootDir`\n * which may be read-only and is not the user's project.  In that case we\n * fall back to `process.cwd()` so that relative paths resolve against the\n * directory the user actually invoked the server from.\n *\n * Override with `CODEQL_MCP_WORKSPACE` for deterministic behavior.\n */\nexport function getUserWorkspaceDir(): string {\n  if (process.env.CODEQL_MCP_WORKSPACE) {\n    return process.env.CODEQL_MCP_WORKSPACE;\n  }\n  // When workspaceRootDir === packageRootDir we are NOT in a monorepo\n  // (npm-installed), so fall back to process.cwd().\n  if (workspaceRootDir === packageRootDir) {\n    return process.cwd();\n  }\n  return workspaceRootDir;\n}\n\n// Pre-computed values for use throughout the server\nexport const packageRootDir = getPackageRootDir();\nexport const workspaceRootDir = getWorkspaceRootDir(packageRootDir);\n", "/**\n * Secure project-local temporary directory utilities.\n *\n * All temporary files are created under `<packageRoot>/.tmp/` which is\n * `.gitignore`d.  This avoids writing to the OS temp directory\n * (`os.tmpdir()` / `/tmp`), which is world-readable and triggers\n * CWE-377 / CWE-378 (js/insecure-temporary-file).\n */\n\nimport { mkdirSync, mkdtempSync } from 'fs';\nimport { isAbsolute, join, resolve } from 'path';\nimport { getPackageRootDir } from './package-paths';\n\n/**\n * Base directory for all project-local temporary data.\n *\n * Resolution order:\n * 1. `CODEQL_MCP_TMP_DIR` environment variable \u2014 for read-only package root\n *    scenarios (e.g., npm global installs where the package directory is not\n *    writable). Relative paths are resolved against process.cwd().\n * 2. `<packageRoot>/.tmp` \u2014 default; excluded from version control.\n */\nconst PROJECT_TMP_BASE = process.env.CODEQL_MCP_TMP_DIR\n  ? (isAbsolute(process.env.CODEQL_MCP_TMP_DIR) \n      ? process.env.CODEQL_MCP_TMP_DIR \n      : resolve(process.cwd(), process.env.CODEQL_MCP_TMP_DIR))\n  : join(getPackageRootDir(), '.tmp');\n\n/**\n * Return the project-local `.tmp` base directory, creating it if needed.\n */\nexport function getProjectTmpBase(): string {\n  mkdirSync(PROJECT_TMP_BASE, { recursive: true });\n  return PROJECT_TMP_BASE;\n}\n\n/**\n * Create a unique temporary directory under the project `.tmp` root.\n *\n * Works identically to `fs.mkdtempSync(os.tmpdir(), prefix)` but is\n * scoped to the repository.\n *\n * @param prefix - Directory name prefix (e.g. `'codeql-external-'`).\n * @returns Absolute path to the newly created directory.\n */\nexport function createProjectTempDir(prefix: string): string {\n  const base = getProjectTmpBase();\n  return mkdtempSync(join(base, prefix));\n}\n\n/**\n * Return a deterministic subdirectory under `.tmp/<name>`, creating it\n * if it does not already exist.\n *\n * Useful for well-known scratch areas such as `query-logs` or `quickeval`.\n *\n * @param name - Subdirectory name (e.g. `'query-logs'`).\n * @returns Absolute path to the subdirectory.\n */\nexport function getProjectTmpDir(name: string): string {\n  const dir = join(getProjectTmpBase(), name);\n  mkdirSync(dir, { recursive: true });\n  return dir;\n}\n", "/**\n * Utility for waiting until a spawned child process is ready.\n *\n * CodeQL background servers (cli-server, query-server2, language-server) run\n * on the JVM and emit stderr log output once the JVM has initialised.  Rather\n * than sleeping for a hard-coded duration \u2014 which is fragile on both fast and\n * slow machines \u2014 this helper resolves as soon as the first stderr output\n * arrives (indicating the JVM is alive), or when the maximum timeout expires.\n * It also rejects immediately if the process exits or errors before becoming\n * ready, giving callers a clear error instead of a silent hang.\n */\n\nimport { ChildProcess } from 'child_process';\nimport { clearTimeout, setTimeout } from 'timers';\nimport { logger } from './logger';\n\n/** Default maximum wait for a CodeQL server to become ready (30 s). */\nconst DEFAULT_READY_TIMEOUT_MS = 30_000;\n\n/**\n * Options for {@link waitForProcessReady}.\n */\nexport interface ProcessReadyOptions {\n  /**\n   * Maximum time in milliseconds to wait for the process to emit its first\n   * stderr output.  If the timeout is reached without a signal the promise\n   * still resolves (best-effort) so the caller can attempt communication.\n   *\n   * Default: 30 000 ms.\n   */\n  timeoutMs?: number;\n}\n\n/**\n * Wait until a child process signals readiness.\n *\n * \"Ready\" is defined as any of:\n * 1. The process emits data on **stderr** (JVM startup log line).\n * 2. The process emits data on **stdout** (initial protocol message).\n * 3. The maximum timeout elapses (best-effort resolve).\n *\n * The promise **rejects** if the process emits an `error` event or exits\n * before any of the above conditions are met.\n *\n * @param child  - The spawned child process.\n * @param name   - A human-readable label for log messages.\n * @param opts   - Optional configuration.\n */\nexport function waitForProcessReady(\n  child: ChildProcess,\n  name: string,\n  opts?: ProcessReadyOptions,\n): Promise<void> {\n  const timeoutMs = opts?.timeoutMs ?? DEFAULT_READY_TIMEOUT_MS;\n\n  return new Promise<void>((resolve, reject) => {\n    let settled = false;\n\n    const cleanup = () => {\n      settled = true;\n      child.stderr?.removeListener('data', onStderr);\n      child.stdout?.removeListener('data', onStdout);\n      child.removeListener('error', onError);\n      child.removeListener('exit', onExit);\n      clearTimeout(timer);\n    };\n\n    const onStderr = () => {\n      if (settled) return;\n      logger.debug(`${name}: ready (stderr output detected)`);\n      cleanup();\n      resolve();\n    };\n\n    const onStdout = () => {\n      if (settled) return;\n      logger.debug(`${name}: ready (stdout output detected)`);\n      cleanup();\n      resolve();\n    };\n\n    const onError = (error: Error) => {\n      if (settled) return;\n      cleanup();\n      reject(new Error(`${name} failed to start: ${error.message}`));\n    };\n\n    const onExit = (code: number | null) => {\n      if (settled) return;\n      cleanup();\n      reject(new Error(`${name} exited before becoming ready (code: ${code})`));\n    };\n\n    const timer = setTimeout(() => {\n      if (settled) return;\n      logger.warn(`${name}: readiness timeout (${timeoutMs} ms) \u2014 proceeding anyway`);\n      cleanup();\n      resolve(); // best-effort: let the caller attempt communication\n    }, timeoutMs);\n\n    child.stderr?.on('data', onStderr);\n    child.stdout?.on('data', onStdout);\n    child.on('error', onError);\n    child.on('exit', onExit);\n\n    // If the process was dead before we even attached listeners, reject now\n    if (child.killed || child.exitCode !== null) {\n      cleanup();\n      reject(new Error(`${name} is not running (exitCode: ${child.exitCode})`));\n    }\n  });\n}\n", "/**\n * CodeQL Language Server manager for LSP communication\n * Manages the lifecycle and communication with the CodeQL language server process\n */\n\nimport { spawn, ChildProcess } from 'child_process';\nimport { EventEmitter } from 'events';\nimport { setTimeout, clearTimeout } from 'timers';\nimport { pathToFileURL } from 'url';\nimport { delimiter, join } from 'path';\nimport { logger } from '../utils/logger';\nimport { getPackageVersion } from '../utils/package-paths';\nimport { getProjectTmpDir } from '../utils/temp-dir';\nimport { getResolvedCodeQLDir } from './cli-executor';\nimport { waitForProcessReady } from '../utils/process-ready';\n\nexport interface LSPMessage {\n  jsonrpc: '2.0';\n  id?: number | string;\n  method: string;\n  params?: unknown;\n  result?: unknown;\n  error?: {\n    code: number;\n    message: string;\n    data?: unknown;\n  };\n}\n\nexport interface Diagnostic {\n  range: {\n    start: { line: number; character: number };\n    end: { line: number; character: number };\n  };\n  severity: number; // 1=Error, 2=Warning, 3=Information, 4=Hint\n  source?: string;\n  message: string;\n  code?: string | number;\n}\n\nexport interface PublishDiagnosticsParams {\n  uri: string;\n  diagnostics: Diagnostic[];\n}\n\nexport interface LanguageServerOptions {\n  searchPath?: string;\n  logdir?: string;\n  loglevel?: 'ALL' | 'DEBUG' | 'ERROR' | 'INFO' | 'OFF' | 'TRACE' | 'WARN';\n  synchronous?: boolean;\n  verbosity?: 'errors' | 'progress' | 'progress+' | 'progress++' | 'progress+++' | 'warnings';\n}\n\n/**\n * Position in a text document (0-based line and character).\n */\nexport interface LSPPosition {\n  character: number;\n  line: number;\n}\n\n/**\n * A range in a text document.\n */\nexport interface LSPRange {\n  end: LSPPosition;\n  start: LSPPosition;\n}\n\n/**\n * A location in a resource (file URI + range).\n */\nexport interface LSPLocation {\n  range: LSPRange;\n  uri: string;\n}\n\n/**\n * Identifies a text document by its URI.\n */\nexport interface TextDocumentIdentifier {\n  uri: string;\n}\n\n/**\n * A text document position (document + position within it).\n */\nexport interface TextDocumentPositionParams {\n  position: LSPPosition;\n  textDocument: TextDocumentIdentifier;\n}\n\n/**\n * A completion item returned by the language server.\n */\nexport interface CompletionItem {\n  detail?: string;\n  documentation?: string | { kind: string; value: string };\n  insertText?: string;\n  kind?: number;\n  label: string;\n  sortText?: string;\n}\n\nexport class CodeQLLanguageServer extends EventEmitter {\n  private server: ChildProcess | null = null;\n  private messageId = 1;\n  private pendingResponses = new Map<number, { resolve: (_value: unknown) => void; reject: (_error: Error) => void }>();\n  private isInitialized = false;\n  private currentWorkspaceUri: string | undefined;\n  private messageBuffer = '';\n\n  constructor(private _options: LanguageServerOptions = {}) {\n    super();\n  }\n\n  async start(): Promise<void> {\n    if (this.server) {\n      throw new Error('Language server is already running');\n    }\n\n    logger.info('Starting CodeQL Language Server...');\n\n    const args = [\n      'execute', 'language-server',\n      '--check-errors=ON_CHANGE'\n    ];\n\n    // Add optional arguments\n    if (this._options.searchPath) {\n      args.push(`--search-path=${this._options.searchPath}`);\n    }\n    if (this._options.logdir) {\n      args.push(`--logdir=${this._options.logdir}`);\n    }\n    if (this._options.loglevel) {\n      args.push(`--loglevel=${this._options.loglevel}`);\n    }\n    if (this._options.synchronous) {\n      args.push('--synchronous');\n    }\n    if (this._options.verbosity) {\n      args.push(`--verbosity=${this._options.verbosity}`);\n    }\n\n    // Build environment with CODEQL_PATH directory prepended to PATH\n    // (mirrors the approach in cli-executor.ts getSafeEnvironment).\n    const spawnEnv = { ...process.env };\n    const codeqlDir = getResolvedCodeQLDir();\n    if (codeqlDir && spawnEnv.PATH) {\n      spawnEnv.PATH = `${codeqlDir}${delimiter}${spawnEnv.PATH}`;\n    } else if (codeqlDir) {\n      spawnEnv.PATH = codeqlDir;\n    }\n\n    this.server = spawn('codeql', args, {\n      stdio: ['pipe', 'pipe', 'pipe'],\n      env: spawnEnv\n    });\n\n    this.server.stderr?.on('data', (data) => {\n      logger.debug('CodeQL LS stderr:', data.toString());\n    });\n\n    this.server.stdout?.on('data', (data) => {\n      this.handleStdout(data);\n    });\n\n    this.server.on('error', (error) => {\n      logger.error('CodeQL Language Server error:', error);\n      this.emit('error', error);\n    });\n\n    this.server.on('exit', (code) => {\n      logger.info('CodeQL Language Server exited with code:', code);\n      this.server = null;\n      this.isInitialized = false;\n      this.emit('exit', code);\n    });\n\n    // Wait for the JVM to initialise (resolves on first stderr/stdout output)\n    await waitForProcessReady(this.server, 'CodeQL Language Server');\n  }\n\n  private handleStdout(data: Buffer): void {\n    this.messageBuffer += data.toString();\n    \n    let headerEnd = this.messageBuffer.indexOf('\\r\\n\\r\\n');\n    while (headerEnd !== -1) {\n      const header = this.messageBuffer.substring(0, headerEnd);\n      const contentLengthMatch = header.match(/Content-Length: (\\d+)/);\n      \n      if (contentLengthMatch) {\n        const contentLength = parseInt(contentLengthMatch[1]);\n        const messageStart = headerEnd + 4;\n        const messageEnd = messageStart + contentLength;\n        \n        if (this.messageBuffer.length >= messageEnd) {\n          const messageContent = this.messageBuffer.substring(messageStart, messageEnd);\n          this.messageBuffer = this.messageBuffer.substring(messageEnd);\n          \n          try {\n            const message: LSPMessage = JSON.parse(messageContent);\n            this.handleMessage(message);\n          } catch (error) {\n            logger.error('Failed to parse LSP message:', error, messageContent);\n          }\n          \n          headerEnd = this.messageBuffer.indexOf('\\r\\n\\r\\n');\n        } else {\n          break;\n        }\n      } else {\n        logger.error('Invalid LSP header:', header);\n        this.messageBuffer = '';\n        break;\n      }\n    }\n  }\n\n  private handleMessage(message: LSPMessage): void {\n    logger.debug('Received LSP message:', message);\n\n    // Handle responses to our requests\n    if (message.id !== undefined && this.pendingResponses.has(Number(message.id))) {\n      const pending = this.pendingResponses.get(Number(message.id))!;\n      this.pendingResponses.delete(Number(message.id));\n      \n      if (message.error) {\n        pending.reject(new Error(`LSP Error: ${message.error.message}`));\n      } else {\n        pending.resolve(message.result);\n      }\n      return;\n    }\n\n    // Handle notifications from server\n    if (message.method === 'textDocument/publishDiagnostics') {\n      this.emit('diagnostics', message.params as PublishDiagnosticsParams);\n    }\n  }\n\n  private sendMessage(message: LSPMessage): void {\n    if (!this.server?.stdin) {\n      throw new Error('Language server is not running');\n    }\n\n    const messageStr = JSON.stringify(message);\n    const contentLength = Buffer.byteLength(messageStr, 'utf8');\n    const header = `Content-Length: ${contentLength}\\r\\n\\r\\n`;\n    const fullMessage = header + messageStr;\n\n    logger.debug('Sending LSP message:', fullMessage);\n    this.server.stdin.write(fullMessage);\n  }\n\n  private sendRequest(method: string, params?: unknown): Promise<unknown> {\n    const id = this.messageId++;\n    const message: LSPMessage = {\n      jsonrpc: '2.0',\n      id,\n      method,\n      params\n    };\n\n    return new Promise((resolve, reject) => {\n      // Wrap resolve/reject to clear the timer when the promise settles.\n      const timer = setTimeout(() => {\n        if (this.pendingResponses.has(id)) {\n          this.pendingResponses.delete(id);\n          reject(new Error(`LSP request timeout for method: ${method}`));\n        }\n      }, 60_000); // 60 second timeout (Windows CI cold JVM can exceed 30s)\n\n      this.pendingResponses.set(id, {\n        reject: (err: Error) => { clearTimeout(timer); reject(err); },\n        resolve: (val: unknown) => { clearTimeout(timer); resolve(val); },\n      });\n      this.sendMessage(message);\n    });\n  }\n\n  private sendNotification(method: string, params?: unknown): void {\n    const message: LSPMessage = {\n      jsonrpc: '2.0',\n      method,\n      params\n    };\n    this.sendMessage(message);\n  }\n\n  /**\n   * Initialize the language server with an optional workspace URI.\n   *\n   * If the server is already initialized with a different workspace, a\n   * `workspace/didChangeWorkspaceFolders` notification is sent to update\n   * the workspace context instead of requiring a full restart.\n   */\n  async initialize(workspaceUri?: string): Promise<void> {\n    if (this.isInitialized) {\n      // If workspace changed, notify the server\n      if (workspaceUri && workspaceUri !== this.currentWorkspaceUri) {\n        await this.updateWorkspace(workspaceUri);\n      }\n      return;\n    }\n\n    logger.info('Initializing CodeQL Language Server...');\n\n    const initParams = {\n      processId: process.pid,\n      clientInfo: {\n        name: 'codeql-development-mcp-server',\n        version: getPackageVersion()\n      },\n      capabilities: {\n        textDocument: {\n          completion: { completionItem: { snippetSupport: false } },\n          definition: {},\n          publishDiagnostics: {},\n          references: {},\n          synchronization: {\n            didClose: true,\n            didChange: true,\n            didOpen: true,\n          },\n        },\n        workspace: {\n          workspaceFolders: true,\n        },\n      }\n    };\n\n    if (workspaceUri) {\n      (initParams as unknown as { workspaceFolders: unknown[] }).workspaceFolders = [{\n        uri: workspaceUri,\n        name: 'codeql-workspace'\n      }];\n    }\n\n    await this.sendRequest('initialize', initParams);\n    this.sendNotification('initialized', {});\n\n    this.currentWorkspaceUri = workspaceUri;\n    this.isInitialized = true;\n    logger.info('CodeQL Language Server initialized successfully');\n  }\n\n  /**\n   * Update the workspace folders on a running, initialized server.\n   */\n  private async updateWorkspace(newUri: string): Promise<void> {\n    logger.info(`Updating workspace from ${this.currentWorkspaceUri} to ${newUri}`);\n\n    const removed = this.currentWorkspaceUri\n      ? [{ uri: this.currentWorkspaceUri, name: 'codeql-workspace' }]\n      : [];\n\n    this.sendNotification('workspace/didChangeWorkspaceFolders', {\n      event: {\n        added: [{ uri: newUri, name: 'codeql-workspace' }],\n        removed,\n      },\n    });\n\n    this.currentWorkspaceUri = newUri;\n  }\n\n  /**\n   * Get the current workspace URI.\n   */\n  getWorkspaceUri(): string | undefined {\n    return this.currentWorkspaceUri;\n  }\n\n  async evaluateQL(qlCode: string, uri?: string): Promise<Diagnostic[]> {\n    if (!this.isInitialized) {\n      throw new Error('Language server is not initialized');\n    }\n\n    // Default to a project-local virtual URI rather than /tmp\n    const documentUri = uri || pathToFileURL(join(getProjectTmpDir('lsp-eval'), 'eval.ql')).href;\n\n    return new Promise((resolve, reject) => {\n      let diagnosticsReceived = false;\n      const timeout = setTimeout(() => {\n        if (!diagnosticsReceived) {\n          this.removeListener('diagnostics', diagnosticsHandler);\n          reject(new Error('Timeout waiting for diagnostics'));\n        }\n      }, 90_000); // 90s \u2014 first call triggers JVM start + compilation; Windows CI is slow\n\n      // Listen for diagnostics\n      const diagnosticsHandler = (params: PublishDiagnosticsParams) => {\n        if (params.uri === documentUri) {\n          diagnosticsReceived = true;\n          clearTimeout(timeout);\n          this.removeListener('diagnostics', diagnosticsHandler);\n\n          // Close the document\n          this.sendNotification('textDocument/didClose', {\n            textDocument: { uri: documentUri }\n          });\n\n          resolve(params.diagnostics);\n        }\n      };\n\n      this.on('diagnostics', diagnosticsHandler);\n\n      // Open the document with the QL code\n      this.sendNotification('textDocument/didOpen', {\n        textDocument: {\n          uri: documentUri,\n          languageId: 'ql',\n          version: 1,\n          text: qlCode\n        }\n      });\n    });\n  }\n\n  // ---- LSP feature methods (issue #1) ----\n\n  /**\n   * Get code completions at a position in a document.\n   */\n  async getCompletions(params: TextDocumentPositionParams): Promise<CompletionItem[]> {\n    if (!this.isInitialized) {\n      throw new Error('Language server is not initialized');\n    }\n    if (!this.isRunning()) {\n      throw new Error('Language server process is not running');\n    }\n    const result = await this.sendRequest('textDocument/completion', params);\n    // The result may be a CompletionList or CompletionItem[]\n    if (result && typeof result === 'object' && 'items' in (result as object)) {\n      return (result as { items: CompletionItem[] }).items;\n    }\n    return (result as CompletionItem[]) || [];\n  }\n\n  /**\n   * Find the definition(s) of a symbol at a position.\n   */\n  async getDefinition(params: TextDocumentPositionParams): Promise<LSPLocation[]> {\n    if (!this.isInitialized) {\n      throw new Error('Language server is not initialized');\n    }\n    if (!this.isRunning()) {\n      throw new Error('Language server process is not running');\n    }\n    const result = await this.sendRequest('textDocument/definition', params);\n    return this.normalizeLocations(result);\n  }\n\n  /**\n   * Find all references to a symbol at a position.\n   */\n  async getReferences(params: TextDocumentPositionParams & { context?: { includeDeclaration: boolean } }): Promise<LSPLocation[]> {\n    if (!this.isInitialized) {\n      throw new Error('Language server is not initialized');\n    }\n    if (!this.isRunning()) {\n      throw new Error('Language server process is not running');\n    }\n    const result = await this.sendRequest('textDocument/references', {\n      ...params,\n      context: params.context ?? { includeDeclaration: true },\n    });\n    return this.normalizeLocations(result);\n  }\n\n  /**\n   * Open a text document in the language server.\n   * The document must be opened before requesting completions, definitions, etc.\n   */\n  openDocument(uri: string, text: string, languageId = 'ql', version = 1): void {\n    if (!this.isInitialized) {\n      throw new Error('Language server is not initialized');\n    }\n    this.sendNotification('textDocument/didOpen', {\n      textDocument: { uri, languageId, version, text },\n    });\n  }\n\n  /**\n   * Close a text document in the language server.\n   */\n  closeDocument(uri: string): void {\n    if (!this.isInitialized) {\n      throw new Error('Language server is not initialized');\n    }\n    this.sendNotification('textDocument/didClose', {\n      textDocument: { uri },\n    });\n  }\n\n  /**\n   * Normalize a definition/references/implementation result to Location[].\n   * The LSP spec allows Location | Location[] | LocationLink[].\n   */\n  private normalizeLocations(result: unknown): LSPLocation[] {\n    if (!result) return [];\n    if (Array.isArray(result)) {\n      return result.map((item) => {\n        // LocationLink has targetUri/targetRange\n        if ('targetUri' in item) {\n          return { uri: item.targetUri, range: item.targetRange } as LSPLocation;\n        }\n        return item as LSPLocation;\n      });\n    }\n    // Single Location\n    if (typeof result === 'object' && 'uri' in (result as object)) {\n      return [result as LSPLocation];\n    }\n    return [];\n  }\n\n  async shutdown(): Promise<void> {\n    if (!this.server) {\n      return;\n    }\n\n    logger.info('Shutting down CodeQL Language Server...');\n\n    try {\n      await this.sendRequest('shutdown', {});\n      if (this.server) {\n        this.sendNotification('exit', {});\n      }\n    } catch (error) {\n      logger.warn('Error during graceful shutdown:', error);\n    }\n\n    // Force kill if needed\n    await new Promise<void>((resolve) => {\n      const timer = setTimeout(() => {\n        if (this.server) {\n          this.server.kill('SIGTERM');\n        }\n        resolve();\n      }, 1000);\n\n      if (this.server) {\n        this.server.once('exit', () => {\n          clearTimeout(timer);\n          this.server = null;\n          resolve();\n        });\n      } else {\n        clearTimeout(timer);\n        resolve();\n      }\n    });\n\n    this.isInitialized = false;\n  }\n\n  isRunning(): boolean {\n    return this.server !== null && !this.server.killed;\n  }\n}", "/**\n * CodeQL Query Server (query-server2) client.\n *\n * Manages a long-lived `codeql execute query-server2` process that evaluates\n * queries using a custom JSON-RPC protocol over stdio. Reusing the server\n * avoids repeated JVM startup for each query evaluation.\n *\n * Protocol: The query-server2 uses JSON-RPC with Content-Length headers\n * (same framing as LSP) over stdin/stdout.\n */\n\nimport { ChildProcess, spawn } from 'child_process';\nimport { delimiter } from 'path';\nimport { EventEmitter } from 'events';\nimport { clearTimeout, setTimeout } from 'timers';\nimport { buildQueryServerArgs, QueryServerConfig } from './server-config';\nimport { getResolvedCodeQLDir } from './cli-executor';\nimport { logger } from '../utils/logger';\nimport { waitForProcessReady } from '../utils/process-ready';\n\n/**\n * A pending request awaiting a response from the query server.\n */\ninterface PendingRequest {\n  reject: (_error: Error) => void;\n  resolve: (_value: unknown) => void;\n}\n\n/**\n * Client for the CodeQL query-server2 process.\n *\n * Spawns `codeql execute query-server2` and communicates over stdin/stdout\n * using JSON-RPC with Content-Length framing.\n */\nexport class CodeQLQueryServer extends EventEmitter {\n  private messageBuffer = '';\n  private messageId = 1;\n  private pendingRequests = new Map<number, PendingRequest>();\n  private process: ChildProcess | null = null;\n  private readonly config: QueryServerConfig;\n\n  constructor(config: QueryServerConfig) {\n    super();\n    this.config = config;\n  }\n\n  /**\n   * Start the query-server2 process.\n   */\n  async start(): Promise<void> {\n    if (this.process) {\n      throw new Error('Query server is already running');\n    }\n\n    logger.info('Starting CodeQL Query Server (query-server2)...');\n\n    const args = buildQueryServerArgs(this.config);\n\n    // Build environment with CODEQL_PATH directory prepended to PATH\n    const spawnEnv = { ...process.env };\n    const codeqlDir = getResolvedCodeQLDir();\n    if (codeqlDir && spawnEnv.PATH) {\n      spawnEnv.PATH = `${codeqlDir}${delimiter}${spawnEnv.PATH}`;\n    } else if (codeqlDir) {\n      spawnEnv.PATH = codeqlDir;\n    }\n\n    this.process = spawn('codeql', args, {\n      stdio: ['pipe', 'pipe', 'pipe'],\n      env: spawnEnv,\n    });\n\n    this.process.stderr?.on('data', (data: Buffer) => {\n      logger.debug('QueryServer2 stderr:', data.toString());\n    });\n\n    this.process.stdout?.on('data', (data: Buffer) => {\n      this.handleStdout(data);\n    });\n\n    this.process.on('error', (error: Error) => {\n      logger.error('Query server process error:', error);\n      this.emit('error', error);\n    });\n\n    this.process.on('exit', (code: number | null) => {\n      logger.info(`Query server exited with code: ${code}`);\n      this.rejectAllPending(new Error(`Query server exited with code: ${code}`));\n      this.process = null;\n      this.emit('exit', code);\n    });\n\n    // Wait for the JVM to initialise (resolves on first stderr/stdout output)\n    await waitForProcessReady(this.process, 'CodeQL Query Server');\n    logger.info('CodeQL Query Server started');\n  }\n\n  /**\n   * Send a request to the query server and await the response.\n   *\n   * @param method - The JSON-RPC method name.\n   * @param params - The method parameters.\n   * @param timeoutMs - Request timeout in milliseconds (default: 300000 = 5 min).\n   * @returns The result from the server.\n   */\n  sendRequest(method: string, params?: unknown, timeoutMs = 300_000): Promise<unknown> {\n    const id = this.messageId++;\n    const message = {\n      id,\n      jsonrpc: '2.0' as const,\n      method,\n      params,\n    };\n\n    return new Promise((resolve, reject) => {\n      this.pendingRequests.set(id, { reject, resolve });\n\n      try {\n        this.sendRaw(message);\n      } catch (error) {\n        // Clean up immediately \u2014 sendRaw() failed so no response will arrive.\n        this.pendingRequests.delete(id);\n        reject(error instanceof Error ? error : new Error(String(error)));\n        return;\n      }\n\n      const timer = setTimeout(() => {\n        if (this.pendingRequests.has(id)) {\n          this.pendingRequests.delete(id);\n          reject(new Error(`Query server request timeout for method: ${method}`));\n        }\n      }, timeoutMs);\n\n      // Clear the timeout when the promise settles\n      const originalResolve = resolve;\n      const originalReject = reject;\n      const wrapped = {\n        reject: (err: Error) => { clearTimeout(timer); originalReject(err); },\n        resolve: (val: unknown) => { clearTimeout(timer); originalResolve(val); },\n      };\n      this.pendingRequests.set(id, wrapped);\n    });\n  }\n\n  /**\n   * Gracefully shut down the query server.\n   */\n  async shutdown(): Promise<void> {\n    if (!this.process) {\n      return;\n    }\n\n    logger.info('Shutting down CodeQL Query Server...');\n\n    try {\n      await this.sendRequest('shutdown', {}, 5000);\n    } catch (error) {\n      logger.warn('Error during query server graceful shutdown:', error);\n    }\n\n    // Force kill if process lingers\n    await new Promise<void>((resolve) => {\n      const timer = setTimeout(() => {\n        if (this.process) {\n          this.process.kill('SIGTERM');\n          this.process = null;\n        }\n        resolve();\n      }, 2000);\n\n      if (this.process) {\n        this.process.once('exit', () => {\n          clearTimeout(timer);\n          this.process = null;\n          resolve();\n        });\n      } else {\n        clearTimeout(timer);\n        resolve();\n      }\n    });\n  }\n\n  /**\n   * Whether the query server process is running.\n   */\n  isRunning(): boolean {\n    return this.process !== null && !this.process.killed;\n  }\n\n  // ---- private helpers ----\n\n  private handleStdout(data: Buffer): void {\n    this.messageBuffer += data.toString();\n\n    let headerEnd = this.messageBuffer.indexOf('\\r\\n\\r\\n');\n    while (headerEnd !== -1) {\n      const header = this.messageBuffer.substring(0, headerEnd);\n      const contentLengthMatch = header.match(/Content-Length: (\\d+)/);\n\n      if (contentLengthMatch) {\n        const contentLength = parseInt(contentLengthMatch[1]);\n        const messageStart = headerEnd + 4;\n        const messageEnd = messageStart + contentLength;\n\n        if (this.messageBuffer.length >= messageEnd) {\n          const messageContent = this.messageBuffer.substring(messageStart, messageEnd);\n          this.messageBuffer = this.messageBuffer.substring(messageEnd);\n\n          try {\n            const message = JSON.parse(messageContent);\n            this.handleMessage(message);\n          } catch (error) {\n            logger.error('Failed to parse query server message:', error);\n          }\n\n          headerEnd = this.messageBuffer.indexOf('\\r\\n\\r\\n');\n        } else {\n          break;\n        }\n      } else {\n        logger.error('Invalid query server header:', header);\n        this.messageBuffer = '';\n        break;\n      }\n    }\n  }\n\n  private handleMessage(message: { error?: { message: string }; id?: number; method?: string; params?: unknown; result?: unknown }): void {\n    logger.debug('QueryServer2 message:', message);\n\n    // Handle responses\n    if (message.id !== undefined && this.pendingRequests.has(Number(message.id))) {\n      const pending = this.pendingRequests.get(Number(message.id))!;\n      this.pendingRequests.delete(Number(message.id));\n\n      if (message.error) {\n        pending.reject(new Error(`Query server error: ${message.error.message}`));\n      } else {\n        pending.resolve(message.result);\n      }\n      return;\n    }\n\n    // Handle notifications (progress, etc.)\n    if (message.method) {\n      this.emit('notification', { method: message.method, params: message.params });\n    }\n  }\n\n  private rejectAllPending(error: Error): void {\n    for (const [id, pending] of this.pendingRequests) {\n      pending.reject(error);\n      this.pendingRequests.delete(id);\n    }\n  }\n\n  private sendRaw(message: object): void {\n    if (!this.process?.stdin) {\n      throw new Error('Query server is not running');\n    }\n\n    const body = JSON.stringify(message);\n    const contentLength = Buffer.byteLength(body, 'utf8');\n    const frame = `Content-Length: ${contentLength}\\r\\n\\r\\n${body}`;\n    this.process.stdin.write(frame);\n  }\n}\n", "/**\n * CodeQL CLI Server client.\n *\n * Manages a long-lived `codeql execute cli-server` process that executes CLI\n * commands without repeated JVM startup overhead. Commands are serialized as\n * JSON arrays followed by a NUL byte, and responses are NUL-terminated JSON.\n *\n * Inspired by the `CodeQLCliServer` class in github/vscode-codeql.\n */\n\nimport { ChildProcess, spawn } from 'child_process';\nimport { delimiter } from 'path';\nimport { EventEmitter } from 'events';\nimport { clearTimeout, setTimeout } from 'timers';\nimport { buildCLIServerArgs, CLIServerConfig } from './server-config';\nimport { getResolvedCodeQLDir } from './cli-executor';\nimport { logger } from '../utils/logger';\nimport { waitForProcessReady } from '../utils/process-ready';\n\n/**\n * A queued command waiting to be sent to the CLI server.\n */\ninterface QueuedCommand {\n  args: string[];\n  reject: (_error: Error) => void;\n  resolve: (_value: string) => void;\n}\n\n/**\n * Client for the CodeQL CLI Server process.\n *\n * The cli-server uses a simple NUL-delimited protocol:\n * - **Request**: JSON array of command arguments, followed by a NUL byte.\n * - **Response**: command stdout, terminated by a NUL byte on stdout.\n *                 stderr is forwarded as-is.\n */\nexport class CodeQLCLIServer extends EventEmitter {\n  private commandInProgress = false;\n  private commandQueue: Array<() => void> = [];\n  private readonly config: CLIServerConfig;\n  private currentReject: ((_error: Error) => void) | null = null;\n  private currentResolve: ((_value: string) => void) | null = null;\n  private nullBuffer = Buffer.alloc(1);\n  private process: ChildProcess | null = null;\n  private stdoutBuffer = '';\n\n  constructor(config: CLIServerConfig) {\n    super();\n    this.config = config;\n  }\n\n  /**\n   * Start the cli-server process.\n   */\n  async start(): Promise<void> {\n    if (this.process) {\n      throw new Error('CLI server is already running');\n    }\n\n    logger.info('Starting CodeQL CLI Server...');\n\n    const args = buildCLIServerArgs(this.config);\n\n    const spawnEnv = { ...process.env };\n    const codeqlDir = getResolvedCodeQLDir();\n    if (codeqlDir && spawnEnv.PATH) {\n      spawnEnv.PATH = `${codeqlDir}${delimiter}${spawnEnv.PATH}`;\n    } else if (codeqlDir) {\n      spawnEnv.PATH = codeqlDir;\n    }\n\n    this.process = spawn('codeql', args, {\n      stdio: ['pipe', 'pipe', 'pipe'],\n      env: spawnEnv,\n    });\n\n    this.process.stdout?.on('data', (data: Buffer) => {\n      this.handleStdout(data);\n    });\n\n    this.process.stderr?.on('data', (data: Buffer) => {\n      logger.debug('CLIServer stderr:', data.toString());\n    });\n\n    this.process.on('error', (error: Error) => {\n      logger.error('CLI server process error:', error);\n      if (this.currentReject) {\n        this.currentReject(error);\n        this.currentReject = null;\n        this.currentResolve = null;\n      }\n      this.emit('error', error);\n    });\n\n    this.process.on('exit', (code: number | null) => {\n      logger.info(`CLI server exited with code: ${code}`);\n      if (this.currentReject) {\n        this.currentReject(new Error(`CLI server exited unexpectedly with code: ${code}`));\n        this.currentReject = null;\n        this.currentResolve = null;\n      }\n      this.process = null;\n      this.emit('exit', code);\n    });\n\n    // Wait for the JVM to initialise (resolves on first stderr/stdout output)\n    await waitForProcessReady(this.process, 'CodeQL CLI Server');\n    logger.info('CodeQL CLI Server started');\n  }\n\n  /**\n   * Run a CodeQL CLI command through the persistent server.\n   *\n   * Commands are serialized and queued; only one command runs at a time.\n   *\n   * @param args - The full command arguments (e.g. `['resolve', 'qlpacks']`).\n   * @returns The stdout output from the command.\n   */\n  runCommand(args: string[]): Promise<string> {\n    return new Promise((resolve, reject) => {\n      const execute = () => {\n        this.executeCommand({ args, reject, resolve });\n      };\n\n      if (this.commandInProgress) {\n        this.commandQueue.push(execute);\n      } else {\n        execute();\n      }\n    });\n  }\n\n  /**\n   * Gracefully shut down the CLI server.\n   */\n  async shutdown(): Promise<void> {\n    if (!this.process) {\n      return;\n    }\n\n    logger.info('Shutting down CodeQL CLI Server...');\n\n    try {\n      // Send shutdown command\n      this.process.stdin?.write(JSON.stringify(['shutdown']), 'utf8');\n      this.process.stdin?.write(this.nullBuffer);\n    } catch (error) {\n      logger.warn('Error during CLI server shutdown request:', error);\n    }\n\n    // Give it a moment, then force kill\n    await new Promise<void>((resolve) => {\n      const timer = setTimeout(() => {\n        if (this.process) {\n          this.process.kill('SIGTERM');\n          this.process = null;\n        }\n        resolve();\n      }, 2000);\n\n      if (this.process) {\n        this.process.once('exit', () => {\n          clearTimeout(timer);\n          this.process = null;\n          resolve();\n        });\n      } else {\n        clearTimeout(timer);\n        resolve();\n      }\n    });\n\n    this.commandInProgress = false;\n    this.commandQueue = [];\n    logger.info('CodeQL CLI Server stopped');\n  }\n\n  /**\n   * Whether the CLI server process is running.\n   */\n  isRunning(): boolean {\n    return this.process !== null && !this.process.killed;\n  }\n\n  // ---- private helpers ----\n\n  private executeCommand(cmd: QueuedCommand): void {\n    if (!this.process?.stdin) {\n      cmd.reject(new Error('CLI server is not running'));\n      return;\n    }\n\n    this.commandInProgress = true;\n    this.currentResolve = cmd.resolve;\n    this.currentReject = cmd.reject;\n\n    try {\n      this.process.stdin.write(JSON.stringify(cmd.args), 'utf8');\n      this.process.stdin.write(this.nullBuffer);\n    } catch (error) {\n      this.commandInProgress = false;\n      this.currentResolve = null;\n      this.currentReject = null;\n      cmd.reject(error instanceof Error ? error : new Error(String(error)));\n      this.runNext();\n    }\n  }\n\n  private handleStdout(data: Buffer): void {\n    this.stdoutBuffer += data.toString();\n\n    // Process all NUL-delimited responses in the buffer\n    let nulIndex = this.stdoutBuffer.indexOf('\\0');\n    while (nulIndex !== -1) {\n      const result = this.stdoutBuffer.substring(0, nulIndex);\n      this.stdoutBuffer = this.stdoutBuffer.substring(nulIndex + 1);\n\n      if (this.currentResolve) {\n        this.currentResolve(result);\n        this.currentResolve = null;\n        this.currentReject = null;\n      }\n\n      this.commandInProgress = false;\n      this.runNext();\n\n      nulIndex = this.stdoutBuffer.indexOf('\\0');\n    }\n  }\n\n  private runNext(): void {\n    const next = this.commandQueue.shift();\n    if (next) {\n      next();\n    }\n  }\n}\n", "/**\n * CodeQL Server Manager\n *\n * Manages the lifecycle of CodeQL background server processes:\n * - language-server (LSP-based QL validation)\n * - query-server2   (query evaluation)\n * - cli-server      (JVM reuse for CLI commands)\n *\n * Servers are keyed by a hash of their configuration. When a caller requests\n * a server with a different configuration, the old server is shut down and a\n * new one is started. Session-specific cache directories provide isolation.\n */\n\nimport { mkdirSync } from 'fs';\nimport { join } from 'path';\nimport { randomUUID } from 'crypto';\nimport {\n  CLIServerConfig,\n  CodeQLServerType,\n  computeConfigHash,\n  LanguageServerConfig,\n  QueryServerConfig,\n  ServerConfig,\n} from './server-config';\nimport { CodeQLLanguageServer } from './language-server';\nimport { CodeQLQueryServer } from './query-server';\nimport { CodeQLCLIServer } from './cli-server';\nimport { getProjectTmpDir } from '../utils/temp-dir';\nimport { logger } from '../utils/logger';\n\n/**\n * Entry in the managed servers map.\n */\ninterface ManagedServer {\n  configHash: string;\n  server: CodeQLCLIServer | CodeQLLanguageServer | CodeQLQueryServer;\n  sessionId: string;\n  type: CodeQLServerType;\n}\n\n/**\n * Options for creating a session-specific cache layout.\n */\nexport interface SessionCacheOptions {\n  /** Override the session ID (defaults to a random UUID). */\n  sessionId?: string;\n}\n\n/**\n * Manages CodeQL background server processes with config-aware caching.\n *\n * Callers should use `getLanguageServer()`, `getQueryServer()`, or\n * `getCLIServer()` to obtain a running server. If the requested\n * configuration differs from the currently running server of that type, the\n * old server is stopped and replaced.\n */\nexport class CodeQLServerManager {\n  /** Keyed by `CodeQLServerType` \u2014 at most one per type at a time. */\n  private servers = new Map<CodeQLServerType, ManagedServer>();\n\n  /** In-flight `getOrRestart` promises, keyed by server type, to serialize concurrent calls. */\n  private pendingStarts = new Map<CodeQLServerType, Promise<CodeQLCLIServer | CodeQLLanguageServer | CodeQLQueryServer>>();\n\n  /** The session ID used for cache isolation. */\n  private sessionId: string;\n\n  /** Root directory for session-specific caches. */\n  private sessionCacheDir: string;\n\n  constructor(options?: SessionCacheOptions) {\n    this.sessionId = options?.sessionId ?? randomUUID();\n    this.sessionCacheDir = join(\n      getProjectTmpDir('codeql-cache'),\n      this.sessionId,\n    );\n    // Pre-create the cache directory tree\n    for (const subdir of ['compilation-cache', 'logs', 'query-cache']) {\n      mkdirSync(join(this.sessionCacheDir, subdir), { recursive: true });\n    }\n    logger.info(`CodeQLServerManager initialized (session: ${this.sessionId})`);\n  }\n\n  // ---- Public API ----\n\n  /**\n   * Get the current session ID.\n   */\n  getSessionId(): string {\n    return this.sessionId;\n  }\n\n  /**\n   * Get the session-specific cache directory.\n   */\n  getCacheDir(): string {\n    return this.sessionCacheDir;\n  }\n\n  /**\n   * Return the session-specific log directory.\n   */\n  getLogDir(): string {\n    return join(this.sessionCacheDir, 'logs');\n  }\n\n  /**\n   * Get or create a Language Server with the given configuration.\n   *\n   * If a language server is already running with the same config it is reused.\n   * If the config has changed the old server is shut down first.\n   */\n  async getLanguageServer(config: LanguageServerConfig): Promise<CodeQLLanguageServer> {\n    const enriched = this.enrichConfig(config) as LanguageServerConfig;\n    return this.getOrRestart('language', enriched, () => {\n      // Convert LanguageServerConfig to the LanguageServerOptions the existing class expects\n      return new CodeQLLanguageServer({\n        loglevel: enriched.loglevel,\n        logdir: enriched.logdir,\n        searchPath: enriched.searchPath,\n        synchronous: enriched.synchronous,\n        verbosity: enriched.verbosity,\n      });\n    }) as Promise<CodeQLLanguageServer>;\n  }\n\n  /**\n   * Get or create a Query Server with the given configuration.\n   */\n  async getQueryServer(config: QueryServerConfig): Promise<CodeQLQueryServer> {\n    const enriched = this.enrichConfig(config) as QueryServerConfig;\n    return this.getOrRestart('query', enriched, () => {\n      return new CodeQLQueryServer(enriched);\n    }) as Promise<CodeQLQueryServer>;\n  }\n\n  /**\n   * Get or create a CLI Server with the given configuration.\n   */\n  async getCLIServer(config: CLIServerConfig): Promise<CodeQLCLIServer> {\n    const enriched = this.enrichConfig(config) as CLIServerConfig;\n    return this.getOrRestart('cli', enriched, () => {\n      return new CodeQLCLIServer(enriched);\n    }) as Promise<CodeQLCLIServer>;\n  }\n\n  /**\n   * Shut down a specific server type.\n   */\n  async shutdownServer(type: CodeQLServerType): Promise<void> {\n    const managed = this.servers.get(type);\n    if (!managed) return;\n\n    logger.info(`Shutting down ${type} server (session: ${managed.sessionId})`);\n    await this.stopServer(managed);\n    this.servers.delete(type);\n  }\n\n  /**\n   * Shut down all managed servers.\n   */\n  async shutdownAll(): Promise<void> {\n    logger.info(`Shutting down all servers for session: ${this.sessionId}`);\n    const shutdownPromises = Array.from(this.servers.entries()).map(\n      async ([type, managed]) => {\n        try {\n          await this.stopServer(managed);\n        } catch (error) {\n          logger.error(`Error shutting down ${type} server:`, error);\n        }\n      },\n    );\n    await Promise.all(shutdownPromises);\n    this.servers.clear();\n    logger.info('All servers shut down');\n  }\n\n  /**\n   * Check whether a server of the given type is currently running.\n   */\n  isRunning(type: CodeQLServerType): boolean {\n    const managed = this.servers.get(type);\n    if (!managed) return false;\n    return managed.server.isRunning();\n  }\n\n  /**\n   * Get status information for all managed servers.\n   */\n  getStatus(): Record<CodeQLServerType, { configHash: string; running: boolean; sessionId: string } | null> {\n    const status: Record<string, { configHash: string; running: boolean; sessionId: string } | null> = {\n      cli: null,\n      language: null,\n      query: null,\n    };\n    for (const [type, managed] of this.servers) {\n      status[type] = {\n        configHash: managed.configHash,\n        running: managed.server.isRunning(),\n        sessionId: managed.sessionId,\n      };\n    }\n    return status as Record<CodeQLServerType, { configHash: string; running: boolean; sessionId: string } | null>;\n  }\n\n  // ---- Private helpers ----\n\n  /**\n   * Eagerly start the language server so the JVM is warm when the first\n   * LSP tool call arrives.  Uses the default configuration that\n   * `lsp-handlers.ts` / `lsp-diagnostics.ts` would create on the first\n   * `getLanguageServer()` call.  The server is stored in the managed-servers\n   * map and reused by subsequent tool invocations.\n   *\n   * This is fire-and-forget: errors are logged but do not prevent the MCP\n   * server from starting.\n   */\n  async warmUpLanguageServer(): Promise<void> {\n    try {\n      // Lazy-import to avoid circular dependency at module level\n      const { packageRootDir } = await import('../utils/package-paths');\n      const { resolve } = await import('path');\n\n      const config: LanguageServerConfig = {\n        checkErrors: 'ON_CHANGE',\n        loglevel: 'WARN',\n        searchPath: resolve(packageRootDir, 'ql'),\n      };\n      logger.info('Warming up language server (background JVM start)...');\n      await this.getLanguageServer(config);\n      logger.info('Language server warm-up complete');\n    } catch (error) {\n      logger.warn('Language server warm-up failed (will retry on first tool call):', error);\n    }\n  }\n\n  /**\n   * Eagerly start the CLI server so the JVM is warm when the first\n   * `executeCodeQLCommand()` call routes through it.\n   *\n   * The CLI server uses only session-scoped `commonCaches` and `logdir`,\n   * both injected by `enrichConfig()`.  Passing an empty config is\n   * intentional \u2014 it matches what `executeCodeQLCommand()` will request.\n   *\n   * Fire-and-forget: errors are logged but do not block startup.\n   */\n  async warmUpCLIServer(): Promise<void> {\n    try {\n      logger.info('Warming up CLI server (background JVM start)...');\n      await this.getCLIServer({});\n      logger.info('CLI server warm-up complete');\n    } catch (error) {\n      logger.warn('CLI server warm-up failed (will retry on first tool call):', error);\n    }\n  }\n\n  /**\n   * Enrich a config with session-specific defaults for commonCaches and logdir.\n   */\n  private enrichConfig<T extends ServerConfig>(config: T): T {\n    return {\n      ...config,\n      commonCaches: config.commonCaches ?? this.sessionCacheDir,\n      logdir: config.logdir ?? this.getLogDir(),\n    };\n  }\n\n  /**\n   * Get an existing server if its config matches, otherwise stop the old\n   * one and start a new server.\n   *\n   * Concurrent calls for the same server type are serialized via\n   * `pendingStarts` to avoid spawning duplicate server processes.\n   */\n  private async getOrRestart(\n    type: CodeQLServerType,\n    config: ServerConfig,\n    factory: () => CodeQLCLIServer | CodeQLLanguageServer | CodeQLQueryServer,\n  ): Promise<CodeQLCLIServer | CodeQLLanguageServer | CodeQLQueryServer> {\n    // If another call is already starting a server of this type, wait for it\n    // to settle (success or failure) and then re-check whether the result is\n    // still usable.\n    const inflight = this.pendingStarts.get(type);\n    if (inflight) {\n      try { await inflight; } catch { /* swallow \u2014 original caller handles the rejection */ }\n    }\n\n    const work = this.doGetOrRestart(type, config, factory);\n    this.pendingStarts.set(type, work);\n    try {\n      return await work;\n    } finally {\n      // Ensure `work` has settled before removing the pendingStarts entry so\n      // that concurrent callers waiting on the same promise see a consistent\n      // map state.  The try/catch avoids re-throwing a rejection that the\n      // outer `try` block already handles.\n      try { await work; } catch { /* already handled */ }\n      if (this.pendingStarts.get(type) === work) {\n        this.pendingStarts.delete(type);\n      }\n    }\n  }\n\n  /**\n   * Core logic for getOrRestart, separated to allow serialization.\n   */\n  private async doGetOrRestart(\n    type: CodeQLServerType,\n    config: ServerConfig,\n    factory: () => CodeQLCLIServer | CodeQLLanguageServer | CodeQLQueryServer,\n  ): Promise<CodeQLCLIServer | CodeQLLanguageServer | CodeQLQueryServer> {\n    const hash = computeConfigHash(type, config);\n    const existing = this.servers.get(type);\n\n    // Reuse if config matches and server is still running\n    if (existing && existing.configHash === hash && existing.server.isRunning()) {\n      logger.debug(`Reusing existing ${type} server (hash: ${hash.substring(0, 8)})`);\n      return existing.server;\n    }\n\n    // Config changed or server died \u2014 stop the old one\n    if (existing) {\n      logger.info(`${type} server config changed or dead, restarting...`);\n      await this.stopServer(existing);\n      this.servers.delete(type);\n    }\n\n    // Start a new server\n    const server = factory();\n    await server.start();\n\n    this.servers.set(type, {\n      configHash: hash,\n      server,\n      sessionId: this.sessionId,\n      type,\n    });\n\n    logger.info(`${type} server started (hash: ${hash.substring(0, 8)})`);\n    return server;\n  }\n\n  /**\n   * Stop a managed server, ignoring errors.\n   */\n  private async stopServer(managed: ManagedServer): Promise<void> {\n    try {\n      await managed.server.shutdown();\n    } catch (error) {\n      logger.warn(`Error stopping ${managed.type} server:`, error);\n      // Best-effort \u2014 don't propagate\n    }\n  }\n}\n\n/**\n * Global server manager singleton.\n *\n * Initialized lazily by `getServerManager()`. The MCP server entry point\n * should call `initServerManager()` at startup and `shutdownServerManager()`\n * at graceful shutdown.\n */\nlet globalServerManager: CodeQLServerManager | null = null;\n\n/**\n * Initialize the global server manager (idempotent).\n */\nexport function initServerManager(options?: SessionCacheOptions): CodeQLServerManager {\n  if (!globalServerManager) {\n    globalServerManager = new CodeQLServerManager(options);\n  }\n  return globalServerManager;\n}\n\n/**\n * Get the global server manager, creating it if needed.\n */\nexport function getServerManager(): CodeQLServerManager {\n  if (!globalServerManager) {\n    globalServerManager = new CodeQLServerManager();\n  }\n  return globalServerManager;\n}\n\n/**\n * Shut down the global server manager and all its servers.\n */\nexport async function shutdownServerManager(): Promise<void> {\n  if (globalServerManager) {\n    await globalServerManager.shutdownAll();\n    globalServerManager = null;\n  }\n}\n\n/**\n * Reset the global server manager (for testing only).\n */\nexport function resetServerManager(): void {\n  globalServerManager = null;\n}\n", "/**\n * Generic CLI command execution utilities for CodeQL and QLT commands\n */\n\nimport { execFile } from 'child_process';\nimport { existsSync } from 'fs';\nimport { basename, delimiter, dirname, isAbsolute } from 'path';\nimport { promisify } from 'util';\nimport { logger } from '../utils/logger';\n\nconst execFileAsync = promisify(execFile);\n\nexport interface CLIExecutionResult {\n  stdout: string;\n  stderr: string;\n  success: boolean;\n  error?: string;\n  exitCode?: number;\n}\n\nexport interface CLIExecutionOptions {\n  command: string;\n  args: string[];\n  cwd?: string;\n  timeout?: number;\n  env?: Record<string, string>;\n}\n\n// Whitelist of allowed commands to prevent arbitrary command execution\nconst ALLOWED_COMMANDS = new Set([\n  'codeql',\n  'git',\n  'node',\n  'npm',\n  'qlt',\n  'which'\n]);\n\n// Additional commands allowed in test environments\nlet testCommands: Set<string> | null = null;\n\n// Whitelist of safe environment variables to pass to child processes\n// This prevents potentially malicious environment variables from being passed through\nconst SAFE_ENV_VARS = [\n  'HOME',           // User home directory\n  'LANG',           // Locale setting\n  'LC_ALL',         // Locale setting\n  'LC_CTYPE',       // Locale setting\n  'PATH',           // Required to find executables\n  'SHELL',          // User's shell (Unix)\n  'TEMP',           // Temporary directory (Windows)\n  'TERM',           // Terminal type (Unix)\n  'TMP',            // Temporary directory (Windows)\n  'TMPDIR',         // Temporary directory (Unix)\n  'USER',           // Current user (Unix)\n  'USERNAME',       // Current user (Windows)\n] as const;\n\n// Whitelist of safe environment variable prefixes\n// These are needed for CodeQL and Node.js functionality\nconst SAFE_ENV_PREFIXES = [\n  'CODEQL_',        // CodeQL-specific variables\n  'NODE_',          // Node.js-specific variables (for npm, etc.)\n] as const;\n\n// Pattern for dangerous control characters in CLI arguments\n// Rejected characters:\n//   \\x01-\\x08: SOH through BS (start of heading, text, null control chars, backspace)\n//   \\x0B: Vertical tab - rarely used legitimately, can cause display issues\n//   \\x0C: Form feed - can cause unexpected page breaks in output\n//   \\x0E-\\x1F: SO through US (shift out/in, device controls, separators)\n// Allowed characters:\n//   \\x00: Null byte - handled separately for clearer error messaging\n//   \\x09: Horizontal tab - commonly used in file paths and arguments\n//   \\x0A: Newline (LF) - may appear in multi-line arguments\n//   \\x0D: Carriage return (CR) - may appear with newlines on Windows\n// eslint-disable-next-line no-control-regex\nconst DANGEROUS_CONTROL_CHARS = /[\\x01-\\x08\\x0B\\x0C\\x0E-\\x1F]/;\n\n/**\n * Enable test-specific commands for testing purposes\n * This should only be called in test environments\n */\nexport function enableTestCommands(): void {\n  testCommands = new Set([\n    'cat',\n    'echo',\n    'ls',\n    'sh',\n    'sleep'\n  ]);\n}\n\n/**\n * Disable test-specific commands\n */\nexport function disableTestCommands(): void {\n  testCommands = null;\n}\n\n/**\n * Check if a command is allowed\n */\nfunction isCommandAllowed(command: string): boolean {\n  return ALLOWED_COMMANDS.has(command) || (testCommands !== null && testCommands.has(command));\n}\n\n// Resolved CodeQL binary directory from CODEQL_PATH.\n// When set, this directory is prepended to PATH for all child processes\n// so that `execFile('codeql', ...)` finds the correct binary via execvp().\n// Using PATH lookup (rather than an absolute path) is essential because\n// execvp() handles shell-script shebangs correctly, whereas passing an\n// absolute path to execFile() can fail with ENOENT for shell scripts.\nlet resolvedCodeQLDir: string | null = null;\n\n// Cached result from resolveCodeQLBinary(). `undefined` means not yet resolved.\nlet resolvedBinaryResult: string | undefined;\n\n/**\n * Resolve the CodeQL CLI binary path.\n *\n * Resolution order:\n * 1. `CODEQL_PATH` environment variable \u2014 must point to an existing file whose\n *    basename is `codeql` (or `codeql.exe` / `codeql.cmd` on Windows).\n *    The parent directory is prepended to PATH for child processes.\n * 2. Falls back to the bare `codeql` command (resolved via PATH at exec time).\n *\n * The resolved value is cached for the lifetime of the process. Call this once\n * at startup; subsequent calls are a no-op and return the cached value.\n */\nexport function resolveCodeQLBinary(): string {\n  // Short-circuit if already resolved\n  if (resolvedBinaryResult !== undefined) {\n    return resolvedBinaryResult;\n  }\n\n  const envPath = process.env.CODEQL_PATH;\n\n  if (!envPath) {\n    resolvedCodeQLDir = null;\n    resolvedBinaryResult = 'codeql';\n    return resolvedBinaryResult;\n  }\n\n  // Validate the path points to a plausible CodeQL binary\n  const base = basename(envPath).toLowerCase();\n  const validBaseNames = ['codeql', 'codeql.exe', 'codeql.cmd'];\n  if (!validBaseNames.includes(base)) {\n    throw new Error(\n      `CODEQL_PATH must point to a CodeQL CLI binary (expected basename: codeql), got: ${base}`\n    );\n  }\n\n  // Require an absolute path to avoid ambiguity\n  if (!isAbsolute(envPath)) {\n    throw new Error(\n      `CODEQL_PATH must be an absolute path, got: ${envPath}`\n    );\n  }\n\n  // Verify the file exists\n  if (!existsSync(envPath)) {\n    throw new Error(\n      `CODEQL_PATH points to a file that does not exist: ${envPath}`\n    );\n  }\n\n  resolvedCodeQLDir = dirname(envPath);\n  resolvedBinaryResult = 'codeql';\n  logger.info(`CodeQL CLI resolved via CODEQL_PATH: ${envPath} (dir: ${resolvedCodeQLDir})`);\n  return resolvedBinaryResult;\n}\n\n/**\n * Get the currently resolved CodeQL binary directory, or null if using PATH.\n */\nexport function getResolvedCodeQLDir(): string | null {\n  return resolvedCodeQLDir;\n}\n\n/**\n * Reset the resolved CodeQL binary to the default (for testing only).\n */\nexport function resetResolvedCodeQLBinary(): void {\n  resolvedCodeQLDir = null;\n  resolvedBinaryResult = undefined;\n}\n\n/**\n * Validate that the resolved CodeQL binary is actually callable.\n *\n * Runs `codeql version --format=terse` and verifies the process exits\n * successfully. This catches the case where `CODEQL_PATH` is unset and\n * `codeql` is not on PATH \u2014 the server would otherwise start normally\n * but every tool invocation would fail.\n *\n * @returns The version string reported by the CodeQL CLI.\n * @throws Error if the binary is not reachable or returns a non-zero exit code.\n */\nexport async function validateCodeQLBinaryReachable(): Promise<string> {\n  const binary = resolvedBinaryResult ?? 'codeql';\n  const env = { ...process.env };\n  if (resolvedCodeQLDir) {\n    env.PATH = resolvedCodeQLDir + delimiter + (env.PATH || '');\n  }\n\n  try {\n    const { stdout } = await execFileAsync(binary, ['version', '--format=terse'], {\n      env,\n      timeout: 15_000,\n    });\n    return stdout.trim();\n  } catch (err: unknown) {\n    const message = err instanceof Error ? err.message : String(err);\n    throw new Error(\n      `CodeQL CLI is not reachable (binary: ${binary}). ` +\n      `Ensure codeql is on PATH or set the CODEQL_PATH environment variable ` +\n      `to the absolute path of the CodeQL CLI binary. Details: ${message}`\n    );\n  }\n}\n\n/**\n * Sanitize a CLI argument to prevent potential issues with special characters.\n * \n * While execFile() does not spawn a shell (preventing shell injection), we still\n * validate arguments to:\n * 1. Reject null bytes that could truncate strings in C-based commands\n * 2. Reject control characters that could cause unexpected behavior\n * 3. Provide defense-in-depth against potential issues\n * \n * @param arg - The argument to sanitize\n * @returns The sanitized argument\n * @throws Error if the argument contains dangerous characters\n */\nexport function sanitizeCLIArgument(arg: string): string {\n  // Reject null bytes - these can truncate strings in C-based commands\n  // Error message intentionally excludes argument content to avoid logging potentially sensitive data\n  if (arg.includes('\\0')) {\n    throw new Error(`CLI argument contains null byte: argument rejected for security`);\n  }\n  \n  // Reject control characters using the module-level constant pattern\n  if (DANGEROUS_CONTROL_CHARS.test(arg)) {\n    // Error message intentionally excludes argument content to avoid logging potentially sensitive data\n    throw new Error(`CLI argument contains control characters: argument rejected for security`);\n  }\n  \n  return arg;\n}\n\n/**\n * Sanitize an array of CLI arguments\n * @param args - The arguments to sanitize\n * @returns The sanitized arguments\n * @throws Error if any argument contains dangerous characters\n */\nexport function sanitizeCLIArguments(args: string[]): string[] {\n  return args.map(sanitizeCLIArgument);\n}\n\n/**\n * Filter environment variables to only include safe ones\n * This prevents potentially malicious environment variables from being passed to child processes\n */\nfunction getSafeEnvironment(additionalEnv?: Record<string, string>): Record<string, string> {\n  const safeEnv: Record<string, string> = {};\n  \n  // Copy whitelisted environment variables from process.env\n  for (const key of SAFE_ENV_VARS) {\n    if (process.env[key] !== undefined) {\n      safeEnv[key] = process.env[key]!;\n    }\n  }\n  \n  // Copy environment variables with whitelisted prefixes\n  for (const [key, value] of Object.entries(process.env)) {\n    if (value !== undefined && SAFE_ENV_PREFIXES.some(prefix => key.startsWith(prefix))) {\n      safeEnv[key] = value;\n    }\n  }\n  \n  // When CODEQL_PATH was set, prepend the resolved directory to PATH so that\n  // `execFile('codeql', ...)` finds the user-specified binary via execvp().\n  // This approach (PATH manipulation + bare command name) is essential because\n  // execvp() handles shell-script shebangs correctly, whereas passing an\n  // absolute path to execFile() fails with ENOENT for shell-script launchers.\n  if (resolvedCodeQLDir && safeEnv.PATH) {\n    safeEnv.PATH = `${resolvedCodeQLDir}${delimiter}${safeEnv.PATH}`;\n  } else if (resolvedCodeQLDir) {\n    safeEnv.PATH = resolvedCodeQLDir;\n  }\n  \n  // Merge with explicitly provided environment variables\n  // These are trusted as they come from the application code, not external sources\n  if (additionalEnv) {\n    Object.assign(safeEnv, additionalEnv);\n  }\n  \n  return safeEnv;\n}\n\n/**\n * Execute a CLI command and return the result.\n * \n * Security: This function uses execFile() instead of exec() to avoid shell interpretation.\n * Arguments are passed directly to the executable as an array, preventing shell injection.\n * Additional security measures include:\n * - Command whitelist validation\n * - Shell metacharacter detection in command names\n * - CLI argument sanitization (null bytes, control characters)\n * - Environment variable filtering\n */\nexport async function executeCLICommand(options: CLIExecutionOptions): Promise<CLIExecutionResult> {\n  try {\n    const { command, args, cwd, timeout = 300000, env } = options; // 5 minute default timeout\n    \n    // Validate command is in the whitelist to prevent arbitrary command execution\n    if (!isCommandAllowed(command)) {\n      throw new Error(`Command not allowed: ${command}. Only whitelisted commands can be executed.`);\n    }\n    \n    // Validate command to ensure it doesn't contain shell metacharacters\n    if (command.includes(';') || command.includes('|') || command.includes('&') || \n        command.includes('$') || command.includes('`') || command.includes('\\n') ||\n        command.includes('\\r')) {\n      throw new Error(`Invalid command: contains shell metacharacters: ${command}`);\n    }\n    \n    // Sanitize CLI arguments to prevent issues with special characters\n    // This provides defense-in-depth even though execFile() doesn't use a shell\n    const sanitizedArgs = sanitizeCLIArguments(args);\n    \n    logger.info(`Executing CLI command: ${command}`, { args: sanitizedArgs, cwd, timeout });\n    \n    const execOptions = {\n      cwd,\n      timeout,\n      env: getSafeEnvironment(env),\n    };\n    \n    // execFile() is used instead of exec() to avoid shell interpretation\n    // Arguments are passed as an array, not interpolated into a command string\n    const { stdout, stderr } = await execFileAsync(command, sanitizedArgs, execOptions);\n\n    return {\n      stdout,\n      stderr,\n      success: true,\n      exitCode: 0\n    };\n\n  } catch (error: unknown) {\n    logger.error('CLI command execution failed:', error);\n    \n    const err = error as Error & { code?: number; stdout?: string; stderr?: string };\n    const errorMessage = err instanceof Error ? err.message : String(error);\n    const exitCode = err.code || 1;\n    \n    return {\n      stdout: err.stdout || '',\n      stderr: err.stderr || errorMessage,\n      success: false,\n      error: errorMessage,\n      exitCode\n    };\n  }\n}\n\n/**\n * Build CodeQL command arguments with proper escaping\n */\nexport function buildCodeQLArgs(subcommand: string, options: Record<string, unknown>): string[] {\n  const args = [subcommand];\n  \n  // Single-letter parameters that should use -key=value format (with equals sign)\n  // Note: CodeQL CLI uses -t=key=value format for metadata, not -t key=value\n  const singleLetterParams = new Set(['t', 'o', 'v', 'q', 'h', 'J']);\n  \n  for (const [key, value] of Object.entries(options)) {\n    if (value === undefined || value === null) {\n      continue;\n    }\n    \n    const isSingleLetter = key.length === 1 && singleLetterParams.has(key);\n    \n    if (typeof value === 'boolean') {\n      if (value) {\n        args.push(isSingleLetter ? `-${key}` : `--${key}`);\n      }\n    } else if (Array.isArray(value)) {\n      // Handle array values (e.g., multiple -t flags for metadata)\n      for (const item of value) {\n        if (isSingleLetter) {\n          // For single-letter params like -t, use -key=value format\n          args.push(`-${key}=${String(item)}`);\n        } else {\n          // For long params, use --key=value format\n          args.push(`--${key}=${String(item)}`);\n        }\n      }\n    } else {\n      // Handle string, number, and other values\n      if (isSingleLetter) {\n        // For single-letter params, use -key=value format\n        args.push(`-${key}=${String(value)}`);\n      } else {\n        args.push(`--${key}=${String(value)}`);\n      }\n    }\n  }\n  \n  return args;\n}\n\n/**\n * Build QLT command arguments with proper escaping\n */\nexport function buildQLTArgs(subcommand: string, options: Record<string, unknown>): string[] {\n  const args = [subcommand];\n  \n  for (const [key, value] of Object.entries(options)) {\n    if (value === undefined || value === null) {\n      continue;\n    }\n    \n    if (typeof value === 'boolean') {\n      if (value) {\n        args.push(`--${key}`);\n      }\n    } else if (Array.isArray(value)) {\n      // Handle array values\n      for (const item of value) {\n        args.push(`--${key}`, String(item));\n      }\n    } else {\n      // Handle string, number, and other values\n      args.push(`--${key}`, String(value));\n    }\n  }\n  \n  return args;\n}\n\n/**\n * CodeQL subcommands that MUST run as fresh processes.\n *\n * These cannot use the cli-server because they:\n * - Spawn extractors or other long-running child processes (database create, test extract)\n * - Produce multi-event NUL-delimited streams (test run)\n * - Are compound orchestration commands (database analyze)\n *\n * Everything else is routed through the persistent cli-server JVM for\n * sub-second execution instead of 2-5 s JVM cold-start per invocation.\n */\nconst FRESH_PROCESS_SUBCOMMANDS = new Set([\n  'database analyze',\n  'database create',\n  'test extract',\n  'test run',\n]);\n\n/**\n * Execute a CodeQL command.\n *\n * By default, commands are routed through the persistent `codeql execute\n * cli-server` process managed by {@link CodeQLServerManager}, eliminating\n * repeated JVM startup overhead (~2-5 s savings per call).\n *\n * Commands listed in {@link FRESH_PROCESS_SUBCOMMANDS} (e.g. `database create`,\n * `test run`) are always executed as fresh processes because they either spawn\n * child extractors, produce streaming output, or require a dedicated working\n * directory.\n *\n * If the cli-server is not available (e.g. during early startup before\n * `initServerManager()` is called), the function falls back transparently to\n * a fresh process.\n */\nexport async function executeCodeQLCommand(\n  subcommand: string,\n  options: Record<string, unknown>,\n  additionalArgs: string[] = [],\n  cwd?: string\n): Promise<CLIExecutionResult> {\n  const args = buildCodeQLArgs(subcommand, options);\n  args.push(...additionalArgs);\n\n  // Determine whether this subcommand can use the persistent cli-server.\n  // Commands that need a specific CWD also must use a fresh process because\n  // the cli-server's CWD is fixed at startup.\n  const canUseCLIServer = !FRESH_PROCESS_SUBCOMMANDS.has(subcommand) && !cwd;\n\n  if (canUseCLIServer) {\n    try {\n      // Lazy-import to avoid circular dependency at module level.\n      // Use getServerManager() (not initServerManager()) \u2014 if the manager\n      // hasn't been initialized yet (e.g. during tests or early startup),\n      // this creates one, but we only attempt to *use* the cli-server if\n      // it is already running (warmed up at MCP server startup).  We never\n      // block on starting a new cli-server here \u2014 that would add JVM\n      // startup latency to the first fresh-process-fallback call.\n      const { getServerManager } = await import('./server-manager');\n      const manager = getServerManager();\n\n      if (manager.isRunning('cli')) {\n        const cliServer = await manager.getCLIServer({});\n        const sanitizedArgs = sanitizeCLIArguments(args);\n\n        logger.info(`Executing CodeQL command via cli-server: ${subcommand}`, { args: sanitizedArgs });\n\n        const stdout = await cliServer.runCommand(sanitizedArgs);\n\n        return {\n          stdout,\n          stderr: '',\n          success: true,\n          exitCode: 0,\n        };\n      } else {\n        logger.debug(`cli-server not yet running for \"${subcommand}\", using fresh process`);\n      }\n    } catch (error) {\n      // If the cli-server call fails, check whether it's a command-level\n      // error (the CLI returned non-zero) or a transport/startup error.\n      // For transport errors we fall back to a fresh process; for command\n      // errors we return the failure directly.\n      const message = error instanceof Error ? error.message : String(error);\n\n      // Transport-level errors that warrant a fallback:\n      if (message.includes('CLI server is not running') ||\n          message.includes('CLI server exited') ||\n          message.includes('failed to start')) {\n        logger.warn(`cli-server unavailable for \"${subcommand}\", falling back to fresh process: ${message}`);\n        // Fall through to fresh-process execution below\n      } else {\n        // Command-level error \u2014 return it as a failed result\n        logger.error(`cli-server command failed for \"${subcommand}\": ${message}`);\n        return {\n          stdout: '',\n          stderr: message,\n          success: false,\n          error: message,\n          exitCode: 1,\n        };\n      }\n    }\n  }\n\n  // Fresh-process execution (for FRESH_PROCESS_SUBCOMMANDS, CWD-specific\n  // calls, or as a fallback when the cli-server is unavailable).\n  return executeCLICommand({\n    command: 'codeql',\n    args,\n    cwd\n  });\n}\n\n/**\n * Execute a QLT command\n */\nexport async function executeQLTCommand(\n  subcommand: string, \n  options: Record<string, unknown>, \n  additionalArgs: string[] = []\n): Promise<CLIExecutionResult> {\n  const args = buildQLTArgs(subcommand, options);\n  args.push(...additionalArgs);\n  \n  return executeCLICommand({\n    command: 'qlt',\n    args\n  });\n}\n\n/**\n * Get help text for a CLI command\n */\nexport async function getCommandHelp(command: string, subcommand?: string): Promise<string> {\n  const args = subcommand ? [subcommand, '--help'] : ['--help'];\n  \n  const result = await executeCLICommand({\n    command,\n    args\n  });\n  \n  return result.stdout || result.stderr || 'No help available';\n}\n\n/**\n * Validate that a command exists on the system.\n */\nexport async function validateCommandExists(command: string): Promise<boolean> {\n  try {\n    const result = await executeCLICommand({\n      command: 'which',\n      args: [command]\n    });\n    return result.success;\n  } catch {\n    return false;\n  }\n}", "/**\n * CodeQL Development MCP McpServer\n * Main entry point for the server\n */\n\nimport { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';\nimport { StdioServerTransport } from '@modelcontextprotocol/sdk/server/stdio.js';\nimport { StreamableHTTPServerTransport } from '@modelcontextprotocol/sdk/server/streamableHttp.js';\nimport express from 'express';\nimport cors from 'cors';\nimport dotenv from 'dotenv';\nimport { resolve } from 'path';\nimport { pathToFileURL } from 'url';\nimport { registerCodeQLTools, registerCodeQLResources } from './tools';\nimport { registerLSPTools } from './tools/lsp';\nimport { registerLanguageResources } from './resources/language-resources';\nimport { registerWorkflowPrompts } from './prompts/workflow-prompts';\nimport { registerMonitoringTools } from './tools/monitoring-tools';\nimport { sessionDataManager } from './lib/session-data-manager';\nimport { resolveCodeQLBinary, validateCodeQLBinaryReachable } from './lib/cli-executor';\nimport { initServerManager, shutdownServerManager } from './lib/server-manager';\nimport { packageRootDir } from './utils/package-paths';\nimport { logger } from './utils/logger';\n\n// Load environment variables from a .env file co-located with the package root.\n// Uses the package directory (not CWD) so that npm-installed users don't\n// accidentally inherit a .env from their project.\ndotenv.config({ path: resolve(packageRootDir, '.env') });\n\nconst PACKAGE_NAME = 'codeql-development-mcp-server';\nconst VERSION = '2.24.1';\n\n/**\n * Start the MCP server\n */\nexport async function startServer(mode: 'stdio' | 'http' = 'stdio'): Promise<McpServer> {\n  logger.info(`Starting CodeQL Development MCP McpServer v${VERSION} in ${mode} mode`);\n\n  // Resolve the CodeQL CLI binary path (honors CODEQL_PATH env var).\n  // This must happen before any tool registration so that all CodeQL commands\n  // use the user-specified binary.\n  const codeqlBinary = resolveCodeQLBinary();\n  logger.info(`CodeQL CLI binary: ${codeqlBinary}`);\n\n  // Validate that the resolved binary is actually callable. This catches\n  // misconfigurations early (e.g. codeql not on PATH and CODEQL_PATH unset)\n  // instead of failing silently and producing confusing tool-level errors.\n  const codeqlVersion = await validateCodeQLBinaryReachable();\n  logger.info(`CodeQL CLI version: ${codeqlVersion}`);\n\n  const server = new McpServer({\n    name: PACKAGE_NAME,\n    version: VERSION,\n  });\n\n  // Register CodeQL tools (legacy high-level helpers)\n  registerCodeQLTools(server);\n\n  // Register LSP-based tools (diagnostics, completion, definition, references)\n  registerLSPTools(server);\n\n  // Register CodeQL resources (static guides)\n  registerCodeQLResources(server);\n\n  // Register language-specific resources (AST references, security patterns)\n  registerLanguageResources(server);\n\n  // Register high-level workflow prompts (complete development workflows)\n  registerWorkflowPrompts(server);\n\n  // Register monitoring and reporting tools\n  registerMonitoringTools(server);\n\n  // Initialize session data manager\n  await sessionDataManager.initialize();\n\n  // Initialize the CodeQL background server manager and eagerly start the\n  // language server and CLI server JVMs so they are warm when the first tool\n  // calls arrive.  This avoids 2-60 s cold-start penalties per JVM.\n  const manager = initServerManager();\n  Promise.all([\n    manager.warmUpLanguageServer(),\n    manager.warmUpCLIServer(),\n  ]).catch(() => { /* individual errors logged inside each warm-up method */ });\n\n  if (mode === 'stdio') {\n    const transport = new StdioServerTransport();\n    await server.connect(transport);\n    logger.info('McpServer started successfully on STDIO transport');\n  } else {\n    // HTTP mode\n    const app = express();\n    app.use(cors());\n    app.use(express.json());\n\n    const transport = new StreamableHTTPServerTransport({\n      sessionIdGenerator: () => Math.random().toString(36).substring(7),\n    });\n    await server.connect(transport);\n\n    app.all('/mcp', (req, res) => {\n      transport.handleRequest(req, res, req.body).catch((err) => {\n        logger.error('Error handling MCP request:', err);\n        if (!res.headersSent) {\n          res.status(500).json({ error: 'Internal McpServer Error' });\n        }\n      });\n    });\n\n    app.get('/', (_req, res) => {\n      res.json({\n        name: PACKAGE_NAME,\n        version: VERSION,\n        description: 'CodeQL Development MCP McpServer',\n        status: 'running',\n      });\n    });\n\n    const host = process.env.HTTP_HOST || 'localhost';\n    const port = Number(process.env.HTTP_PORT || process.env.PORT) || 3000;\n    \n    // Return a promise that keeps the process alive\n    return new Promise<void>((resolve, reject) => {\n      const httpServer = app.listen(port, host, () => {\n        logger.info(`HTTP server listening on http://${host}:${port}/mcp`);\n        resolve();\n      });\n      \n      httpServer.on('error', (error) => {\n        logger.error('HTTP server error:', error);\n        reject(error);\n      });\n    });\n  }\n\n  setupGracefulShutdown(server);\n  return server;\n}\n\n/**\n * Set up graceful shutdown handling\n */\nfunction setupGracefulShutdown(server: McpServer): void {\n  const shutdown = async () => {\n    logger.info('Shutting down server...');\n    try {\n      // Shut down all CodeQL background servers first\n      await shutdownServerManager();\n      await server.close();\n      logger.info('McpServer closed gracefully');\n      process.exit(0);\n    } catch (error) {\n      logger.error('Error during shutdown:', error);\n      process.exit(1);\n    }\n  };\n\n  process.on('SIGINT', shutdown);\n  process.on('SIGTERM', shutdown);\n}\n\n/**\n * Main function to start the server\n */\nasync function main(): Promise<void> {\n  try {\n    const transportMode = (process.env.TRANSPORT_MODE || 'stdio').toLowerCase();\n    const mode: 'stdio' | 'http' = transportMode === 'http' ? 'http' : 'stdio';\n    await startServer(mode);\n  } catch (error) {\n    logger.error('Failed to start server:', error);\n    process.exit(1);\n  }\n}\n\n// Start the server if this file is run directly\nconst scriptPath = process.argv[1] ? resolve(process.argv[1]) : undefined;\nif (scriptPath && import.meta.url === pathToFileURL(scriptPath).href) {\n  main();\n}\n", "/**\n * CodeQL BQRS decode tool\n */\n\nimport { z } from 'zod';\nimport { CLIToolDefinition, createCodeQLSchemas, createBQRSResultProcessor } from '../../lib/cli-tool-registry';\n\nexport const codeqlBqrsDecodeTool: CLIToolDefinition = {\n  name: 'codeql_bqrs_decode',\n  description: 'Decode BQRS result files to human-readable formats',\n  command: 'codeql',\n  subcommand: 'bqrs decode',\n  inputSchema: {\n    files: z.array(z.string()).describe('BQRS file(s) to decode'),\n    output: createCodeQLSchemas.output(),\n    format: z.enum(['csv', 'json']).optional().describe('Output format'),\n    'max-paths': z.number().optional().describe('Maximum number of paths to output'),\n    'start-at': z.number().optional().describe('Start output at result number'),\n    'max-results': z.number().optional().describe('Maximum number of results'),\n    verbose: createCodeQLSchemas.verbose(),\n    additionalArgs: createCodeQLSchemas.additionalArgs()\n  },\n  examples: [\n    'codeql bqrs decode --format=csv --output=results.csv results.bqrs',\n    'codeql bqrs decode --format=json --max-results=100 results.bqrs'\n  ],\n  resultProcessor: createBQRSResultProcessor()\n};", "/**\n * Generic tool registry for creating MCP tools from CLI command definitions\n */\n\nimport { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';\nimport { z } from 'zod';\nimport { executeCodeQLCommand, executeQLTCommand, CLIExecutionResult } from './cli-executor';\nimport { logger } from '../utils/logger';\nimport { evaluateQueryResults, QueryEvaluationResult, extractQueryMetadata } from './query-results-evaluator';\nimport { getOrCreateLogDirectory } from './log-directory-manager';\nimport { getUserWorkspaceDir, packageRootDir, resolveToolQueryPackPath } from '../utils/package-paths';\nimport { writeFileSync, rmSync, existsSync, mkdirSync } from 'fs';\nimport { basename, dirname, isAbsolute, join, resolve } from 'path';\nimport { createProjectTempDir } from '../utils/temp-dir';\n\nexport type { CLIExecutionResult } from './cli-executor';\n\nexport interface CLIToolDefinition {\n  name: string;\n  description: string;\n  command: 'codeql' | 'qlt';\n  subcommand: string;\n  inputSchema: Record<string, z.ZodTypeAny>;\n  examples?: string[];\n  resultProcessor?: (_result: CLIExecutionResult, _params: Record<string, unknown>) => string;\n}\n\n/**\n * Default result processor that formats CLI output appropriately\n */\nexport const defaultCLIResultProcessor = (\n  result: CLIExecutionResult, \n  _params: Record<string, unknown>\n): string => {\n  if (!result.success) {\n    return `Command failed (exit code ${result.exitCode || 'unknown'}):\\n${result.error || result.stderr}`;\n  }\n  \n  let output = '';\n  \n  if (result.stdout) {\n    output += result.stdout;\n  }\n  \n  if (result.stderr) {\n    if (output) {\n      output += '\\n\\nWarnings/Info:\\n';\n    }\n    output += result.stderr;\n  }\n  \n  if (!output) {\n    output = 'Command executed successfully (no output)';\n  }\n  \n  return output;\n};\n\n/**\n * Register a CLI tool with the MCP server\n */\nexport function registerCLITool(server: McpServer, definition: CLIToolDefinition): void {\n  const {\n    name,\n    description,\n    command,\n    subcommand,\n    inputSchema,\n    resultProcessor = defaultCLIResultProcessor\n  } = definition;\n\n  server.tool(\n    name,\n    description,\n    inputSchema,\n    async (params: Record<string, unknown>) => {\n      // Track temporary directories for cleanup\n      const tempDirsToCleanup: string[] = [];\n      \n      try {\n        logger.info(`Executing CLI tool: ${name}`, { command, subcommand, params });\n\n        // Separate positional arguments from named options\n        // Extract tool-specific parameters that should not be passed to CLI\n        // Note: format is extracted for tools that use it internally but not on CLI\n        // For codeql_bqrs_interpret, codeql_bqrs_decode, codeql_generate_query-help, and codeql_database_analyze, format should be passed to CLI\n        const formatShouldBePassedToCLI = name === 'codeql_bqrs_interpret' || name === 'codeql_bqrs_decode' || name === 'codeql_generate_query-help' || name === 'codeql_database_analyze';\n        \n        const extractedParams = formatShouldBePassedToCLI\n          ? {\n              _positional: params._positional || [],\n              files: params.files,\n              file: params.file,\n              dir: params.dir,\n              packDir: params.packDir,\n              tests: params.tests,\n              query: params.query,\n              queryName: params.queryName,\n              queryLanguage: params.queryLanguage,\n              queryPack: params.queryPack,\n              sourceFiles: params.sourceFiles,\n              sourceFunction: params.sourceFunction,\n              targetFunction: params.targetFunction,\n              interpretedOutput: params.interpretedOutput,\n              evaluationFunction: params.evaluationFunction,\n              evaluationOutput: params.evaluationOutput,\n              directory: params.directory,\n              logDir: params.logDir,\n              qlref: params.qlref\n            }\n          : {\n              _positional: params._positional || [],\n              files: params.files,\n              file: params.file,\n              dir: params.dir,\n              packDir: params.packDir,\n              tests: params.tests,\n              query: params.query,\n              queryName: params.queryName,\n              queryLanguage: params.queryLanguage,\n              queryPack: params.queryPack, \n              sourceFiles: params.sourceFiles,\n              sourceFunction: params.sourceFunction,\n              targetFunction: params.targetFunction,\n              format: params.format,\n              interpretedOutput: params.interpretedOutput,\n              evaluationFunction: params.evaluationFunction,\n              evaluationOutput: params.evaluationOutput,\n              directory: params.directory,\n              logDir: params.logDir,\n              qlref: params.qlref\n            };\n\n        const {\n          _positional = [],\n          files,\n          file,\n          dir,\n          packDir,\n          tests,\n          query,\n          queryName,\n          queryLanguage: _queryLanguage,\n          queryPack: _queryPack,\n          sourceFiles,\n          sourceFunction,\n          targetFunction,\n          format: _format,\n          interpretedOutput: _interpretedOutput,\n          evaluationFunction: _evaluationFunction,\n          evaluationOutput: _evaluationOutput,\n          directory,\n          logDir: customLogDir,\n          qlref,\n        } = extractedParams;\n\n        // Get remaining options (everything not extracted above)\n        const options = {...params};\n        Object.keys(extractedParams).forEach(key => delete options[key]);\n        let positionalArgs = Array.isArray(_positional) ? _positional as string[] : [_positional as string];\n\n        // Handle files parameter as positional arguments for certain tools\n        if (files && Array.isArray(files)) {\n          positionalArgs = [...positionalArgs, ...files as string[]];\n        }\n\n        // Handle file parameter as positional argument for BQRS tools\n        if (file && name.startsWith('codeql_bqrs_')) {\n          positionalArgs = [...positionalArgs, file as string];\n        }\n\n        // Handle qlref parameter as positional argument for resolve qlref tool\n        if (qlref && name === 'codeql_resolve_qlref') {\n          positionalArgs = [...positionalArgs, qlref as string];\n        }\n\n        // Handle database parameter as positional argument for resolve database tool\n        if (options.database && name === 'codeql_resolve_database') {\n          positionalArgs = [...positionalArgs, options.database as string];\n          delete options.database;\n        }\n\n        // Handle database parameter as positional argument for database create tool\n        if (options.database && name === 'codeql_database_create') {\n          positionalArgs = [...positionalArgs, options.database as string];\n          delete options.database;\n        }\n\n        // Handle database and queries parameters as positional arguments for database analyze tool\n        if (name === 'codeql_database_analyze') {\n          if (options.database) {\n            positionalArgs = [...positionalArgs, options.database as string];\n            delete options.database;\n          }\n          if (options.queries) {\n            positionalArgs = [...positionalArgs, options.queries as string];\n            delete options.queries;\n          }\n        }\n\n        // Handle query parameter as positional argument for generate query-help tool\n        if (query && name === 'codeql_generate_query-help') {\n          positionalArgs = [...positionalArgs, query as string];\n        }\n\n        // Handle dir parameter as positional argument for pack tools\n        if (dir && (name === 'codeql_pack_ls')) {\n          positionalArgs = [...positionalArgs, dir as string];\n        }\n        \n        // Handle tool-specific parameters using switch pattern for better maintainability\n        switch (name) {\n          case 'codeql_test_accept':\n          case 'codeql_test_extract':\n          case 'codeql_test_run':\n          case 'codeql_resolve_tests':\n            // Handle tests parameter as positional arguments for test tools.\n            // Resolve relative paths against the user's effective workspace\n            // directory. In monorepo layouts this is the repo root; in npm-\n            // installed layouts it falls back to process.cwd().\n            if (tests && Array.isArray(tests)) {\n              const userDir = getUserWorkspaceDir();\n              positionalArgs = [...positionalArgs, ...(tests as string[]).map(\n                t => isAbsolute(t) ? t : resolve(userDir, t)\n              )];\n            }\n            break;\n            \n          case 'codeql_query_run': {\n            // Resolve database path to absolute path if it's relative\n            if (options.database && typeof options.database === 'string' && !isAbsolute(options.database)) {\n              options.database = resolve(getUserWorkspaceDir(), options.database);\n              logger.info(`Resolved database path to: ${options.database}`);\n            }\n            \n            // Implement query resolution logic with enhanced results processing\n            const resolvedQuery = await resolveQueryPath(params, logger);\n            if (resolvedQuery) {\n              positionalArgs = [...positionalArgs, resolvedQuery];\n            } else if (query) {\n              positionalArgs = [...positionalArgs, query as string];\n            }\n            \n            // Handle external predicates for tool queries\n            if (queryName === 'PrintAST' && sourceFiles) {\n              // Create a CSV file with the source file paths for the external predicate\n              // The external predicate expects a CSV file with one column containing file paths\n              const filePaths = (sourceFiles as string).split(',').map((f: string) => f.trim());\n              let tempDir: string;\n              let csvPath: string;\n              try {\n                tempDir = createProjectTempDir('codeql-external-');\n                tempDirsToCleanup.push(tempDir); // Track for cleanup\n                csvPath = join(tempDir, 'selectedSourceFiles.csv');\n\n                // Create CSV content\n                const csvContent = filePaths.join('\\n') + '\\n';\n\n                writeFileSync(csvPath, csvContent, 'utf8');\n              } catch (err) {\n                logger.error(`Failed to create external predicate CSV for PrintAST query at path ${csvPath || '[unknown]'}: ${err instanceof Error ? err.message : String(err)}`);\n                throw err;\n              }\n              \n              // Add the external predicate with the CSV file path\n              const currentExternal = options.external || [];\n              const externalArray = Array.isArray(currentExternal) ? currentExternal : [currentExternal];\n              externalArray.push(`selectedSourceFiles=${csvPath}`);\n              options.external = externalArray;\n              \n              logger.info(`Created external predicate CSV at ${csvPath} for files: ${filePaths.join(', ')}`);\n            }\n            \n            // Handle external predicates for CallGraphFrom queries\n            if (queryName === 'CallGraphFrom' && sourceFunction) {\n              const functionNames = (sourceFunction as string).split(',').map((f: string) => f.trim());\n              let tempDir: string;\n              let csvPath: string;\n              try {\n                tempDir = createProjectTempDir('codeql-external-');\n                tempDirsToCleanup.push(tempDir);\n                csvPath = join(tempDir, 'sourceFunction.csv');\n\n                // Create CSV content\n                const csvContent = functionNames.join('\\n') + '\\n';\n\n                writeFileSync(csvPath, csvContent, 'utf8');\n              } catch (err) {\n                logger.error(`Failed to create external predicate CSV for CallGraphFrom query at path ${csvPath || '[unknown]'}: ${err instanceof Error ? err.message : String(err)}`);\n                throw err;\n              }\n              \n              // Add the external predicate with the CSV file path\n              const currentExternal = options.external || [];\n              const externalArray = Array.isArray(currentExternal) ? currentExternal : [currentExternal];\n              externalArray.push(`sourceFunction=${csvPath}`);\n              options.external = externalArray;\n              \n              logger.info(`Created external predicate CSV at ${csvPath} for functions: ${functionNames.join(', ')}`);\n            }\n            \n            // Handle external predicates for CallGraphTo queries\n            if (queryName === 'CallGraphTo' && targetFunction) {\n              const functionNames = (targetFunction as string).split(',').map((f: string) => f.trim());\n              let tempDir: string;\n              let csvPath: string;\n              try {\n                tempDir = createProjectTempDir('codeql-external-');\n                tempDirsToCleanup.push(tempDir);\n                csvPath = join(tempDir, 'targetFunction.csv');\n\n                // Create CSV content\n                const csvContent = functionNames.join('\\n') + '\\n';\n\n                writeFileSync(csvPath, csvContent, 'utf8');\n              } catch (err) {\n                logger.error(`Failed to create external predicate CSV for CallGraphTo query at path ${csvPath || '[unknown]'}: ${err instanceof Error ? err.message : String(err)}`);\n                throw err;\n              }\n              \n              // Add the external predicate with the CSV file path\n              const currentExternal = options.external || [];\n              const externalArray = Array.isArray(currentExternal) ? currentExternal : [currentExternal];\n              externalArray.push(`targetFunction=${csvPath}`);\n              options.external = externalArray;\n              \n              logger.info(`Created external predicate CSV at ${csvPath} for functions: ${functionNames.join(', ')}`);\n            }\n            break;\n          }\n            \n          case 'codeql_query_compile':\n          case 'codeql_resolve_metadata':\n            // Handle query parameter as positional argument for query compilation and metadata tools\n            if (query) {\n              positionalArgs = [...positionalArgs, query as string];\n            }\n            break;\n            \n          case 'codeql_resolve_queries':\n            // Handle directory parameter as positional argument\n            if (directory) {\n              positionalArgs = [...positionalArgs, directory as string];\n            }\n            break;\n            \n          default:\n            // No special parameter handling needed for other tools\n            break;\n        }\n\n        // Set up logging directory for query/test runs\n        let queryLogDir: string | undefined;\n        if (name === 'codeql_query_run' || name === 'codeql_test_run') {\n          queryLogDir = getOrCreateLogDirectory(customLogDir as string | undefined);\n          logger.info(`Using log directory for ${name}: ${queryLogDir}`);\n          \n          // Create timestamp file to track when query/test run started\n          const timestampPath = join(queryLogDir, 'timestamp');\n          writeFileSync(timestampPath, Date.now().toString(), 'utf8');\n          \n          // Set the --logdir option for CodeQL CLI\n          options.logdir = queryLogDir;\n          \n          // Set verbosity to progress+ to generate detailed query.log/test.log\n          if (!options.verbosity) {\n            options.verbosity = 'progress+';\n          }\n          \n          // For query run, also handle the deprecated evaluator-log parameter and default output\n          if (name === 'codeql_query_run') {\n            // If evaluator-log was explicitly provided (deprecated), use it\n            // Otherwise, set it to the log directory\n            if (!options['evaluator-log']) {\n              options['evaluator-log'] = join(queryLogDir, 'evaluator-log.jsonl');\n            }\n            \n            // If output was not explicitly provided, set it to the log directory\n            if (!options.output) {\n              options.output = join(queryLogDir, 'results.bqrs');\n            }\n          }\n        }\n\n        let result: CLIExecutionResult;\n        \n        if (command === 'codeql') {\n          // For pack commands, set the working directory to where qlpack.yml is located.\n          // Resolve to absolute path since the MCP server's cwd may differ from\n          // the workspace root (especially when launched by VS Code).\n          let cwd: string | undefined;\n          if ((name === 'codeql_pack_install' || name === 'codeql_pack_ls') && (dir || packDir)) {\n            const rawCwd = (dir || packDir) as string;\n            // Resolve relative paths against the user's effective workspace\n            // directory rather than a potentially read-only package root.\n            cwd = isAbsolute(rawCwd) ? rawCwd : resolve(getUserWorkspaceDir(), rawCwd);\n          }\n          \n          // Add --additional-packs for commands that need to access local test packs.\n          // Only set the default examples path when it actually exists on disk\n          // (it may be absent in npm-installed layouts where ql/javascript/examples/\n          // is not included in the published package).\n          const defaultExamplesPath = resolve(packageRootDir, 'ql', 'javascript', 'examples');\n          const additionalPacksPath = process.env.CODEQL_ADDITIONAL_PACKS\n            || (existsSync(defaultExamplesPath) ? defaultExamplesPath : undefined);\n          if (additionalPacksPath && (name === 'codeql_test_run' || name === 'codeql_query_run' || name === 'codeql_query_compile')) {\n            options['additional-packs'] = additionalPacksPath;\n          }\n          \n          // Keep test databases for codeql_test_run to allow subsequent query runs\n          if (name === 'codeql_test_run') {\n            options['keep-databases'] = true;\n          }\n          \n          result = await executeCodeQLCommand(subcommand, options, positionalArgs, cwd);\n        } else if (command === 'qlt') {\n          result = await executeQLTCommand(subcommand, options, positionalArgs);\n        } else {\n          throw new Error(`Unsupported command: ${command}`);\n        }\n\n        // Post-execution processing for codeql_query_run\n        if (name === 'codeql_query_run' && result.success && queryLogDir) {\n          // Generate SARIF interpretation if results.bqrs exists\n          const bqrsPath = options.output as string;\n          const sarifPath = join(queryLogDir, 'results.sarif');\n          \n          if (existsSync(bqrsPath)) {\n            try {\n              const sarifResult = await executeCodeQLCommand(\n                'bqrs interpret',\n                { format: 'sarif-latest', output: sarifPath },\n                [bqrsPath]\n              );\n              \n              if (sarifResult.success) {\n                logger.info(`Generated SARIF interpretation at ${sarifPath}`);\n              }\n            } catch (error) {\n              logger.warn(`Failed to generate SARIF interpretation: ${error}`);\n            }\n          }\n          \n          // Process evaluation results\n          result = await processQueryRunResults(result, params, logger);\n        }\n\n        // Process the result\n        const processedResult = resultProcessor(result, params);\n\n        return {\n          content: [{\n            type: 'text' as const,\n            text: processedResult\n          }],\n          isError: !result.success\n        };\n\n      } catch (error) {\n        logger.error(`Error in CLI tool ${name}:`, error);\n        \n        return {\n          content: [{\n            type: 'text' as const,\n            text: `Failed to execute CLI tool: ${error instanceof Error ? error.message : String(error)}`\n          }],\n          isError: true\n        };\n      } finally {\n        // Clean up temporary directories\n        for (const tempDir of tempDirsToCleanup) {\n          try {\n            rmSync(tempDir, { recursive: true, force: true });\n            logger.info(`Cleaned up temporary directory: ${tempDir}`);\n          } catch (cleanupError) {\n            logger.error(`Failed to clean up temporary directory ${tempDir}:`, cleanupError);\n          }\n        }\n      }\n    }\n  );\n}\n\n/**\n * Helper function to create common CodeQL input schemas\n */\nexport const createCodeQLSchemas = {\n  database: () => z.string().describe('Path to the CodeQL database'),\n  \n  query: () => z.string().describe('Path to the CodeQL query file (.ql)'),\n  \n  output: () => z.string().optional().describe('Output file path'),\n  \n  outputFormat: () => z.enum(['csv', 'json', 'bqrs', 'sarif-latest', 'sarifv2.1.0']).optional()\n    .describe('Output format for results'),\n  \n  language: () => z.string().optional().describe('Programming language'),\n  \n  threads: () => z.number().optional().describe('Number of threads to use'),\n  \n  ram: () => z.number().optional().describe('Amount of RAM to use (MB)'),\n  \n  timeout: () => z.number().optional().describe('Timeout in seconds'),\n  \n  verbose: () => z.boolean().optional().describe('Enable verbose output'),\n  \n  additionalArgs: () => z.array(z.string()).optional().describe('Additional command-line arguments'),\n  \n  positionalArgs: () => z.array(z.string()).optional().describe('Positional arguments')\n    .transform((val) => ({ _positional: val }))\n};\n\n/**\n * Helper function to create common QLT input schemas\n */\nexport const createQLTSchemas = {\n  language: () => z.string().describe('Programming language'),\n  \n  output: () => z.string().optional().describe('Output directory or file path'),\n  \n  template: () => z.string().optional().describe('Template to use'),\n  \n  name: () => z.string().optional().describe('Name for generated query'),\n  \n  description: () => z.string().optional().describe('Description for generated query'),\n  \n  verbose: () => z.boolean().optional().describe('Enable verbose output'),\n  \n  force: () => z.boolean().optional().describe('Force overwrite existing files'),\n  \n  additionalArgs: () => z.array(z.string()).optional().describe('Additional command-line arguments')\n};\n\n/**\n * Create a result processor that formats BQRS output specially\n */\nexport const createBQRSResultProcessor = () => (\n  result: CLIExecutionResult, \n  params: Record<string, unknown>\n): string => {\n  if (!result.success) {\n    return defaultCLIResultProcessor(result, params);\n  }\n  \n  // For BQRS commands, provide more context about the output\n  let output = result.stdout;\n  \n  if (params.output) {\n    output += `\\n\\nResults saved to: ${params.output}`;\n  }\n  \n  if (result.stderr) {\n    output += `\\n\\nAdditional information:\\n${result.stderr}`;\n  }\n  \n  return output;\n};\n\n/**\n * Create a result processor that formats database creation output\n */\nexport const createDatabaseResultProcessor = () => (\n  result: CLIExecutionResult, \n  params: Record<string, unknown>\n): string => {\n  if (!result.success) {\n    return defaultCLIResultProcessor(result, params);\n  }\n  \n  let output = 'Database creation completed successfully';\n  \n  if (params.database || params._positional) {\n    const dbPath = params.database || (Array.isArray(params._positional) ? params._positional[0] : params._positional);\n    output += `\\n\\nDatabase location: ${dbPath}`;\n  }\n  \n  if (result.stdout) {\n    output += `\\n\\nOutput:\\n${result.stdout}`;\n  }\n  \n  if (result.stderr) {\n    output += `\\n\\nAdditional information:\\n${result.stderr}`;\n  }\n  \n  return output;\n};\n\n/**\n * Resolve query path for codeql_query_run tool\n * If queryName and queryLanguage are provided, resolve using codeql resolve queries\n */\nasync function resolveQueryPath(\n  params: Record<string, unknown>, \n  logger: { info: (_message: string, ..._args: unknown[]) => void; error: (_message: string, ..._args: unknown[]) => void }\n): Promise<string | null> {\n  const { queryName, queryLanguage, queryPack, query } = params;\n  \n  // Validate parameter usage - queryName and query are mutually exclusive\n  if (queryName && query) {\n    logger.error('Cannot use both \"query\" and \"queryName\" parameters simultaneously. Use either \"query\" for direct file path OR \"queryName\" + \"queryLanguage\" for tool queries.');\n    throw new Error('Cannot use both \"query\" and \"queryName\" parameters simultaneously. Use either \"query\" for direct file path OR \"queryName\" + \"queryLanguage\" for tool queries.');\n  }\n  \n  // If no queryName provided, fall back to direct query parameter\n  if (!queryName) {\n    return query as string || null;\n  }\n  \n  // If queryName provided but no language, we can't resolve\n  if (!queryLanguage) {\n    logger.error('queryLanguage is required when using queryName parameter. Supported languages: actions, cpp, csharp, go, java, javascript, python, ruby, swift');\n    throw new Error('queryLanguage is required when using queryName parameter. Supported languages: actions, cpp, csharp, go, java, javascript, python, ruby, swift');\n  }\n  \n  try {\n    // Determine the query pack path - use absolute path to ensure it works regardless of cwd\n    const defaultPackPath = resolveToolQueryPackPath(queryLanguage as string);\n    const packPath = queryPack as string || defaultPackPath;\n    \n    logger.info(`Resolving query: ${queryName} for language: ${queryLanguage} in pack: ${packPath}`);\n    \n    // Execute codeql resolve queries to get available queries\n    const { executeCodeQLCommand } = await import('./cli-executor');\n    const resolveResult = await executeCodeQLCommand(\n      'resolve queries',\n      { format: 'json' },\n      [packPath]\n    );\n    \n    if (!resolveResult.success) {\n      logger.error('Failed to resolve queries:', resolveResult.stderr || resolveResult.error);\n      throw new Error(`Failed to resolve queries: ${resolveResult.stderr || resolveResult.error}`);\n    }\n    \n    // Parse the JSON output to find matching queries\n    let resolvedQueries: string[];\n    try {\n      resolvedQueries = JSON.parse(resolveResult.stdout);\n    } catch (parseError) {\n      logger.error('Failed to parse resolve queries output:', parseError);\n      throw new Error('Failed to parse resolve queries output');\n    }\n    \n    // Find the query that matches the requested name exactly\n    const matchingQuery = resolvedQueries.find(queryPath => {\n      const fileName = basename(queryPath);\n      // Match exact query name: \"PrintAST\" should match \"PrintAST.ql\" only\n      return fileName === `${queryName}.ql`;\n    });\n\n    if (!matchingQuery) {\n      logger.error(`Query \"${queryName}.ql\" not found in pack \"${packPath}\". Available queries:`, resolvedQueries.map(q => basename(q)));\n      throw new Error(`Query \"${queryName}.ql\" not found in pack \"${packPath}\"`);\n    }\n    \n    logger.info(`Resolved query \"${queryName}\" to: ${matchingQuery}`);\n    return matchingQuery;\n    \n  } catch (error) {\n    logger.error('Error resolving query path:', error);\n    throw error;\n  }\n}\n\n/**\n * Interpret BQRS file using codeql bqrs interpret\n */\nasync function interpretBQRSFile(\n  bqrsPath: string,\n  queryPath: string,\n  format: string,\n  outputPath: string,\n  logger: { info: (_message: string, ..._args: unknown[]) => void; error: (_message: string, ..._args: unknown[]) => void }\n): Promise<CLIExecutionResult> {\n  try {\n    // Extract query metadata to get id and kind\n    const metadata = await extractQueryMetadata(queryPath);\n    \n    // Validate required metadata fields\n    const missingFields = [];\n    if (!metadata.id) missingFields.push('id');\n    if (!metadata.kind) missingFields.push('kind');\n    \n    if (missingFields.length > 0) {\n      return {\n        success: false,\n        exitCode: 1,\n        stdout: '',\n        stderr: '',\n        error: `Query metadata is incomplete. Missing required field(s): ${missingFields.join(', ')}. Ensure the query file contains @id and @kind metadata.`\n      };\n    }\n    \n    // Sanitize metadata values to prevent command injection\n    const sanitizedKind = (metadata.kind || '').replace(/[^a-zA-Z0-9_-]/g, '');\n    const sanitizedId = (metadata.id || '').replace(/[^a-zA-Z0-9_/:-]/g, '');\n    \n    // Validate format for query kind\n    const graphFormats = ['graphtext', 'dgml', 'dot'];\n    if (graphFormats.includes(format) && metadata.kind !== 'graph') {\n      return {\n        success: false,\n        exitCode: 1,\n        stdout: '',\n        stderr: '',\n        error: `Format '${format}' is only compatible with @kind graph queries, but this query has @kind ${metadata.kind}`\n      };\n    }\n    \n    // Ensure output directory exists\n    mkdirSync(dirname(outputPath), { recursive: true });\n    \n    // Build the codeql bqrs interpret command\n    const params: Record<string, unknown> = {\n      format: format,\n      output: outputPath,\n      t: [`kind=${sanitizedKind}`, `id=${sanitizedId}`]\n    };\n    \n    logger.info(`Interpreting BQRS file ${bqrsPath} with format ${format} to ${outputPath}`);\n    \n    // Execute codeql bqrs interpret\n    const result = await executeCodeQLCommand(\n      'bqrs interpret',\n      params,\n      [bqrsPath]\n    );\n    \n    return result;\n  } catch (error) {\n    return {\n      success: false,\n      exitCode: 1,\n      stdout: '',\n      stderr: '',\n      error: `Failed to interpret BQRS file: ${error}`\n    };\n  }\n}\n\n/**\n * Get default output extension based on format\n */\nfunction getDefaultExtension(format: string): string {\n  switch (format) {\n    case 'sarif-latest':\n    case 'sarifv2.1.0':\n      return '.sarif';\n    case 'csv':\n      return '.csv';\n    case 'graphtext':\n      return '.txt';\n    case 'dgml':\n      return '.dgml';\n    case 'dot':\n      return '.dot';\n    default:\n      return '.txt';\n  }\n}\n\n/**\n * Process query run results with optional interpretation or evaluation\n */\nasync function processQueryRunResults(\n  result: CLIExecutionResult,\n  params: Record<string, unknown>,\n  logger: { info: (_message: string, ..._args: unknown[]) => void; error: (_message: string, ..._args: unknown[]) => void }\n): Promise<CLIExecutionResult> {\n  try {\n    const { format, interpretedOutput, evaluationFunction, evaluationOutput, output, query, queryName, queryLanguage } = params;\n    \n    // If no format or evaluationFunction specified, return as-is\n    if (!format && !evaluationFunction) {\n      return result;\n    }\n    \n    // Ensure output (bqrs file) was generated\n    if (!output) {\n      return result;\n    }\n    \n    const bqrsPath = output as string;\n    \n    // Determine the query path for metadata extraction\n    let queryPath: string | null = null;\n    \n    if (query) {\n      queryPath = query as string;\n    } else if (queryName && queryLanguage) {\n      // Try to resolve the query path again for evaluation\n      queryPath = await resolveQueryPath(params, logger);\n    }\n    \n    if (!queryPath) {\n      logger.error('Cannot determine query path for interpretation/evaluation');\n      return {\n        ...result,\n        stdout: result.stdout + '\\n\\nWarning: Query interpretation skipped - could not determine query path'\n      };\n    }\n    \n    // Handle new format parameter (preferred approach)\n    if (format) {\n      const outputFormat = format as string;\n      \n      // Determine output path\n      let outputFilePath = interpretedOutput as string | undefined;\n      if (!outputFilePath) {\n        const ext = getDefaultExtension(outputFormat);\n        outputFilePath = bqrsPath.replace('.bqrs', ext);\n      }\n      \n      logger.info(`Interpreting query results from ${bqrsPath} with format: ${outputFormat}`);\n      \n      // Interpret the BQRS file\n      const interpretResult = await interpretBQRSFile(\n        bqrsPath,\n        queryPath,\n        outputFormat,\n        outputFilePath,\n        logger\n      );\n      \n      if (interpretResult.success) {\n        let enhancedOutput = result.stdout;\n        enhancedOutput += `\\n\\nQuery results interpreted successfully with format: ${outputFormat}`;\n        enhancedOutput += `\\nInterpreted output saved to: ${outputFilePath}`;\n        \n        return {\n          ...result,\n          stdout: enhancedOutput\n        };\n      } else {\n        logger.error('Query interpretation failed:', interpretResult.error);\n        return {\n          ...result,\n          stdout: result.stdout + `\\n\\nWarning: Query interpretation failed - ${interpretResult.error || interpretResult.stderr}`\n        };\n      }\n    }\n    \n    // Handle legacy evaluationFunction parameter (deprecated)\n    if (evaluationFunction) {\n      logger.info(`Using deprecated evaluationFunction parameter. Consider using format parameter instead.`);\n      logger.info(`Evaluating query results from ${bqrsPath} using function: ${evaluationFunction}`);\n      \n      // Perform the evaluation\n      const evaluationResult: QueryEvaluationResult = await evaluateQueryResults(\n        bqrsPath,\n        queryPath,\n        evaluationFunction as string,\n        evaluationOutput as string | undefined\n      );\n      \n      if (evaluationResult.success) {\n        // Append evaluation results to the command output\n        let enhancedOutput = result.stdout;\n        \n        if (evaluationResult.outputPath) {\n          enhancedOutput += `\\n\\nQuery evaluation completed successfully.`;\n          enhancedOutput += `\\nEvaluation output saved to: ${evaluationResult.outputPath}`;\n        }\n        \n        if (evaluationResult.content) {\n          enhancedOutput += `\\n\\n=== Query Results Evaluation ===\\n`;\n          enhancedOutput += evaluationResult.content;\n        }\n        \n        return {\n          ...result,\n          stdout: enhancedOutput\n        };\n      } else {\n        // Evaluation failed, but don't fail the whole operation\n        logger.error('Query evaluation failed:', evaluationResult.error);\n        return {\n          ...result,\n          stdout: result.stdout + `\\n\\nWarning: Query evaluation failed - ${evaluationResult.error}`\n        };\n      }\n    }\n    \n    return result;\n  } catch (error) {\n    logger.error('Error in query results processing:', error);\n    return {\n      ...result,\n      stdout: result.stdout + `\\n\\nWarning: Query processing error - ${error}`\n    };\n  }\n}", "/**\n * Query results evaluation functions for processing .bqrs files\n */\n\nimport { executeCodeQLCommand } from './cli-executor';\nimport { logger } from '../utils/logger';\nimport { writeFileSync, readFileSync } from 'fs';\nimport { dirname, isAbsolute } from 'path';\nimport { mkdirSync } from 'fs';\n\nexport interface QueryEvaluationResult {\n  success: boolean;\n  outputPath?: string;\n  content?: string;\n  error?: string;\n}\n\nexport interface QueryMetadata {\n  kind?: string;\n  name?: string;\n  description?: string;\n  id?: string;\n  tags?: string[];\n}\n\n/**\n * Built-in evaluation functions\n */\nexport const BUILT_IN_EVALUATORS = {\n  'json-decode': 'JSON format decoder for query results',\n  'csv-decode': 'CSV format decoder for query results', \n  'mermaid-graph': 'Mermaid diagram generator for @kind graph queries (like PrintAST)',\n} as const;\n\nexport type BuiltInEvaluator = keyof typeof BUILT_IN_EVALUATORS;\n\n/**\n * Extract metadata from a CodeQL query file\n */\nexport async function extractQueryMetadata(queryPath: string): Promise<QueryMetadata> {\n  try {\n    const queryContent = readFileSync(queryPath, 'utf-8');\n    const metadata: QueryMetadata = {};\n    \n    // Extract metadata from comments using regex patterns\n    const kindMatch = queryContent.match(/@kind\\s+([^\\s]+)/);\n    if (kindMatch) metadata.kind = kindMatch[1];\n    \n    const nameMatch = queryContent.match(/@name\\s+(.+)/);\n    if (nameMatch) metadata.name = nameMatch[1].trim();\n    \n    const descMatch = queryContent.match(/@description\\s+(.+)/);\n    if (descMatch) metadata.description = descMatch[1].trim();\n    \n    const idMatch = queryContent.match(/@id\\s+(.+)/);\n    if (idMatch) metadata.id = idMatch[1].trim();\n    \n    const tagsMatch = queryContent.match(/@tags\\s+(.+)/);\n    if (tagsMatch) {\n      metadata.tags = tagsMatch[1].split(/\\s+/).filter(t => t.length > 0);\n    }\n    \n    return metadata;\n  } catch (error) {\n    logger.error('Failed to extract query metadata:', error);\n    return {};\n  }\n}\n\n/**\n * JSON decoder - converts .bqrs to JSON format\n */\nexport async function evaluateWithJsonDecoder(\n  bqrsPath: string, \n  outputPath?: string\n): Promise<QueryEvaluationResult> {\n  try {\n    const result = await executeCodeQLCommand(\n      'bqrs decode',\n      { format: 'json' },\n      [bqrsPath]\n    );\n    \n    if (!result.success) {\n      return {\n        success: false,\n        error: `Failed to decode BQRS file: ${result.stderr || result.error}`\n      };\n    }\n    \n    const defaultOutputPath = outputPath || bqrsPath.replace('.bqrs', '.json');\n    \n    // Ensure output directory exists\n    mkdirSync(dirname(defaultOutputPath), { recursive: true });\n    \n    // Write JSON results\n    writeFileSync(defaultOutputPath, result.stdout);\n    \n    return {\n      success: true,\n      outputPath: defaultOutputPath,\n      content: result.stdout\n    };\n  } catch (error) {\n    return {\n      success: false,\n      error: `JSON evaluation failed: ${error}`\n    };\n  }\n}\n\n/**\n * CSV decoder - converts .bqrs to CSV format\n */\nexport async function evaluateWithCsvDecoder(\n  bqrsPath: string,\n  outputPath?: string\n): Promise<QueryEvaluationResult> {\n  try {\n    const result = await executeCodeQLCommand(\n      'bqrs decode',\n      { format: 'csv' },\n      [bqrsPath]\n    );\n    \n    if (!result.success) {\n      return {\n        success: false,\n        error: `Failed to decode BQRS file: ${result.stderr || result.error}`\n      };\n    }\n    \n    const defaultOutputPath = outputPath || bqrsPath.replace('.bqrs', '.csv');\n    \n    // Ensure output directory exists\n    mkdirSync(dirname(defaultOutputPath), { recursive: true });\n    \n    // Write CSV results\n    writeFileSync(defaultOutputPath, result.stdout);\n    \n    return {\n      success: true,\n      outputPath: defaultOutputPath,\n      content: result.stdout\n    };\n  } catch (error) {\n    return {\n      success: false,\n      error: `CSV evaluation failed: ${error}`\n    };\n  }\n}\n\n/**\n * Mermaid graph generator - converts @kind graph query results to mermaid diagrams\n */\nexport async function evaluateWithMermaidGraph(\n  bqrsPath: string,\n  queryPath: string,\n  outputPath?: string\n): Promise<QueryEvaluationResult> {\n  try {\n    // First extract query metadata to confirm this is a graph query\n    const metadata = await extractQueryMetadata(queryPath);\n    \n    if (metadata.kind !== 'graph') {\n      logger.error(`Query is not a graph query (kind: ${metadata.kind}), mermaid-graph evaluation is only for @kind graph queries`);\n      return {\n        success: false,\n        error: `Query is not a graph query (kind: ${metadata.kind}), mermaid-graph evaluation is only for @kind graph queries`\n      };\n    }\n    \n    // Decode the BQRS file to JSON first\n    const jsonResult = await executeCodeQLCommand(\n      'bqrs decode',\n      { format: 'json' },\n      [bqrsPath]\n    );\n    \n    if (!jsonResult.success) {\n      return {\n        success: false,\n        error: `Failed to decode BQRS file: ${jsonResult.stderr || jsonResult.error}`\n      };\n    }\n    \n    // Parse the JSON results\n    let queryResults;\n    try {\n      queryResults = JSON.parse(jsonResult.stdout);\n    } catch (parseError) {\n      return {\n        success: false,\n        error: `Failed to parse query results JSON: ${parseError}`\n      };\n    }\n    \n    // Generate mermaid diagram from graph results\n    const mermaidContent = generateMermaidFromGraphResults(queryResults, metadata);\n    \n    const defaultOutputPath = outputPath || bqrsPath.replace('.bqrs', '.md');\n    \n    // Ensure output directory exists\n    mkdirSync(dirname(defaultOutputPath), { recursive: true });\n    \n    // Write markdown file with mermaid diagram\n    writeFileSync(defaultOutputPath, mermaidContent);\n    \n    return {\n      success: true,\n      outputPath: defaultOutputPath,\n      content: mermaidContent\n    };\n  } catch (error) {\n    return {\n      success: false,\n      error: `Mermaid graph evaluation failed: ${error}`\n    };\n  }\n}\n\n/**\n * Generate mermaid diagram from CodeQL graph query results\n */\nfunction generateMermaidFromGraphResults(queryResults: unknown, metadata: QueryMetadata): string {\n  const queryName = sanitizeMarkdown(metadata.name || 'CodeQL Query Results');\n  const queryDesc = sanitizeMarkdown(metadata.description || 'Graph visualization of CodeQL query results');\n  \n  let mermaidContent = `# ${queryName}\\n\\n${queryDesc}\\n\\n`;\n  \n  // Handle different result structures that CodeQL graph queries can produce\n  if (!queryResults || typeof queryResults !== 'object') {\n    mermaidContent += '```mermaid\\ngraph TD\\n    A[No Results]\\n```\\n';\n    return mermaidContent;\n  }\n  \n  // Check if results have the expected structure for graph queries\n  const tuples = queryResults.tuples || queryResults;\n  \n  if (!Array.isArray(tuples) || tuples.length === 0) {\n    mermaidContent += '```mermaid\\ngraph TD\\n    A[No Graph Data]\\n```\\n';\n    return mermaidContent;\n  }\n  \n  mermaidContent += '```mermaid\\ngraph TD\\n';\n  \n  // Track nodes and edges to avoid duplicates\n  const nodes = new Set<string>();\n  const edges = new Set<string>();\n  \n  // Process each tuple in the results\n  tuples.forEach((tuple: unknown, index: number) => {\n    if (Array.isArray(tuple) && tuple.length >= 2) {\n      // Extract source and target from tuple\n      const source = sanitizeNodeId(tuple[0]?.toString() || `node_${index}_0`);\n      const target = sanitizeNodeId(tuple[1]?.toString() || `node_${index}_1`);\n      const label = tuple[2]?.toString() || '';\n      \n      // Add nodes\n      nodes.add(source);\n      nodes.add(target);\n      \n      // Add edge\n      const edgeId = `${source}_${target}`;\n      if (!edges.has(edgeId)) {\n        if (label) {\n          mermaidContent += `    ${source} -->|${sanitizeLabel(label)}| ${target}\\n`;\n        } else {\n          mermaidContent += `    ${source} --> ${target}\\n`;\n        }\n        edges.add(edgeId);\n      }\n    } else if (typeof tuple === 'object' && tuple !== null) {\n      // Handle object-based results\n      const source = sanitizeNodeId(tuple.source?.toString() || tuple.from?.toString() || `node_${index}_src`);\n      const target = sanitizeNodeId(tuple.target?.toString() || tuple.to?.toString() || `node_${index}_tgt`);\n      const label = tuple.label?.toString() || tuple.relation?.toString() || '';\n      \n      nodes.add(source);\n      nodes.add(target);\n      \n      const edgeId = `${source}_${target}`;\n      if (!edges.has(edgeId)) {\n        if (label) {\n          mermaidContent += `    ${source} -->|${sanitizeLabel(label)}| ${target}\\n`;\n        } else {\n          mermaidContent += `    ${source} --> ${target}\\n`;\n        }\n        edges.add(edgeId);\n      }\n    }\n  });\n  \n  // If no edges were created, create a simple diagram showing the first few nodes\n  if (edges.size === 0 && nodes.size > 0) {\n    const nodeArray = Array.from(nodes).slice(0, 10); // Limit to avoid clutter\n    nodeArray.forEach((node, index) => {\n      if (index === 0) {\n        mermaidContent += `    ${node}[${sanitizeLabel(node)}]\\n`;\n      } else {\n        mermaidContent += `    ${nodeArray[0]} --> ${node}\\n`;\n      }\n    });\n  }\n  \n  mermaidContent += '```\\n\\n';\n  \n  // Add statistics\n  mermaidContent += `## Query Statistics\\n\\n`;\n  mermaidContent += `- Total nodes: ${nodes.size}\\n`;\n  mermaidContent += `- Total edges: ${edges.size}\\n`;\n  mermaidContent += `- Total tuples processed: ${tuples.length}\\n`;\n  \n  return mermaidContent;\n}\n\n/**\n * Sanitize node IDs for mermaid compatibility\n */\nfunction sanitizeNodeId(id: string): string {\n  return id\n    .replace(/[^a-zA-Z0-9_]/g, '_')\n    .replace(/^(\\d)/, 'n$1') // Prefix with 'n' if starts with number\n    .substring(0, 50); // Limit length\n}\n\n/**\n * Sanitize labels for mermaid compatibility\n */\nfunction sanitizeLabel(label: string): string {\n  return label\n    .replace(/[|\"`<>\\n\\r\\t]/g, '') // Remove problematic characters including backticks, newlines, angle brackets\n    .replace(/\\s+/g, ' ') // Normalize whitespace\n    .trim()\n    .substring(0, 30); // Limit length for readability\n}\n\n/**\n * Sanitize markdown content to prevent injection\n */\nfunction sanitizeMarkdown(content: string): string {\n  return content\n    .replace(/[<>\"`]/g, '') // Remove potentially dangerous characters\n    .replace(/\\n/g, ' ') // Convert newlines to spaces\n    .replace(/\\s+/g, ' ') // Normalize whitespace\n    .trim()\n    .substring(0, 100); // Limit length\n}\n\n/**\n * Main evaluation function that determines which evaluator to use\n */\nexport async function evaluateQueryResults(\n  bqrsPath: string,\n  queryPath: string,\n  evaluationFunction?: string,\n  outputPath?: string\n): Promise<QueryEvaluationResult> {\n  try {\n    // If no evaluation function specified, default to json-decode\n    const evalFunc = evaluationFunction || 'json-decode';\n    \n    logger.info(`Evaluating query results with function: ${evalFunc}`);\n    \n    // Handle built-in evaluation functions\n    switch (evalFunc) {\n      case 'json-decode':\n        return await evaluateWithJsonDecoder(bqrsPath, outputPath);\n        \n      case 'csv-decode':\n        return await evaluateWithCsvDecoder(bqrsPath, outputPath);\n        \n      case 'mermaid-graph':\n        return await evaluateWithMermaidGraph(bqrsPath, queryPath, outputPath);\n        \n      default:\n        // Check if it's a path to a custom evaluation script\n        if (isAbsolute(evalFunc)) {\n          return await evaluateWithCustomScript(bqrsPath, queryPath, evalFunc, outputPath);\n        } else {\n          return {\n            success: false,\n            error: `Unknown evaluation function: ${evalFunc}. Available built-in functions: ${Object.keys(BUILT_IN_EVALUATORS).join(', ')}`\n          };\n        }\n    }\n  } catch (error) {\n    return {\n      success: false,\n      error: `Query evaluation failed: ${error}`\n    };\n  }\n}\n\n/**\n * Execute custom evaluation script\n */\nasync function evaluateWithCustomScript(\n  _bqrsPath: string,\n  _queryPath: string,\n  _scriptPath: string,\n  _outputPath?: string\n): Promise<QueryEvaluationResult> {\n  // TODO: Implement custom script execution\n  // This would need to execute the script with bqrsPath and queryPath as arguments\n  // and capture the output\n  return {\n    success: false,\n    error: 'Custom evaluation scripts are not yet implemented'\n  };\n}", "/**\n * Log directory management utilities for CodeQL query and test runs\n */\n\nimport { mkdirSync, existsSync } from 'fs';\nimport { join, resolve } from 'path';\nimport { randomBytes } from 'crypto';\nimport { getProjectTmpDir } from '../utils/temp-dir';\n\n/**\n * Ensure that a given path is within a base directory.\n * Throws an error if the path is outside the base directory.\n */\nfunction ensurePathWithinBase(baseDir: string, targetPath: string): string {\n  const absBase = resolve(baseDir);\n  const absTarget = resolve(targetPath);\n  if (!absTarget.startsWith(absBase + '/') && absTarget !== absBase) {\n    throw new Error(`Provided log directory is outside the allowed base directory: ${absBase}`);\n  }\n  return absTarget;\n}\n\n/**\n * Get or create a unique log directory for query/test runs\n * \n * @param logDir - Optional custom log directory from parameters\n * @returns Absolute path to the log directory\n */\nexport function getOrCreateLogDirectory(logDir?: string): string {\n  // Use CODEQL_QUERY_LOG_DIR env var or default base\n  const baseLogDir = process.env.CODEQL_QUERY_LOG_DIR || getProjectTmpDir('query-logs');\n\n  // If logDir is explicitly provided, validate it is within baseLogDir\n  if (logDir) {\n    const absLogDir = ensurePathWithinBase(baseLogDir, logDir);\n    if (!existsSync(absLogDir)) {\n      mkdirSync(absLogDir, { recursive: true });\n    }\n    return absLogDir;\n  }\n  \n  // Otherwise, use baseLogDir and create a unique subdirectory\n  \n  // Create base directory if it doesn't exist\n  if (!existsSync(baseLogDir)) {\n    mkdirSync(baseLogDir, { recursive: true });\n  }\n  \n  // Generate unique subdirectory with timestamp and random ID\n  const timestamp = new Date().toISOString().replace(/[:.]/g, '-');\n  const uniqueId = randomBytes(4).toString('hex');\n  const uniqueLogDir = join(baseLogDir, `query-run-${timestamp}-${uniqueId}`);\n  \n  mkdirSync(uniqueLogDir, { recursive: true });\n  \n  return uniqueLogDir;\n}\n", "/**\n * CodeQL BQRS info tool\n */\n\nimport { z } from 'zod';\nimport { CLIToolDefinition, createCodeQLSchemas, createBQRSResultProcessor } from '../../lib/cli-tool-registry';\n\nexport const codeqlBqrsInfoTool: CLIToolDefinition = {\n  name: 'codeql_bqrs_info',\n  description: 'Get metadata and information about BQRS result files',\n  command: 'codeql',\n  subcommand: 'bqrs info',\n  inputSchema: {\n    files: z.array(z.string()).describe('BQRS file(s) to examine'),\n    verbose: createCodeQLSchemas.verbose(),\n    additionalArgs: createCodeQLSchemas.additionalArgs()\n  },\n  examples: [\n    'codeql bqrs info results.bqrs',\n    'codeql bqrs info --verbose results.bqrs'\n  ],\n  resultProcessor: createBQRSResultProcessor()\n};", "/**\n * CodeQL BQRS interpret tool\n */\n\nimport { z } from 'zod';\nimport { CLIToolDefinition, createCodeQLSchemas, createBQRSResultProcessor } from '../../lib/cli-tool-registry';\n\nexport const codeqlBqrsInterpretTool: CLIToolDefinition = {\n  name: 'codeql_bqrs_interpret',\n  description: 'Interpret BQRS result files according to query metadata and generate output in specified formats (CSV, SARIF, graph formats)',\n  command: 'codeql',\n  subcommand: 'bqrs interpret',\n  inputSchema: {\n    file: z.string().describe('The BQRS file to interpret'),\n    format: z.enum(['csv', 'sarif-latest', 'sarifv2.1.0', 'graphtext', 'dgml', 'dot'])\n      .describe('Output format: csv (comma-separated), sarif-latest/sarifv2.1.0 (SARIF), graphtext/dgml/dot (graph formats, only for @kind graph queries)'),\n    output: createCodeQLSchemas.output(),\n    t: z.array(z.string())\n      .describe('Query metadata key=value pairs. At least \"kind\" and \"id\" must be specified (e.g., [\"kind=graph\", \"id=js/print-ast\"])'),\n    'max-paths': z.number().optional()\n      .describe('Maximum number of paths to produce for each alert with paths (default: 4)'),\n    'sarif-add-file-contents': z.boolean().optional()\n      .describe('[SARIF only] Include full file contents for all files referenced in results'),\n    'sarif-add-snippets': z.boolean().optional()\n      .describe('[SARIF only] Include code snippets for each location with context'),\n    'sarif-group-rules-by-pack': z.boolean().optional()\n      .describe('[SARIF only] Place rule objects under their QL pack in tool.extensions property'),\n    'sarif-multicause-markdown': z.boolean().optional()\n      .describe('[SARIF only] Include multi-cause alerts as Markdown-formatted lists'),\n    'sarif-category': z.string().optional()\n      .describe('[SARIF only] Category for this analysis (distinguishes multiple analyses on same code)'),\n    'csv-location-format': z.enum(['uri', 'line-column', 'offset-length']).optional()\n      .describe('[CSV only] Format for locations in CSV output (default: line-column)'),\n    'dot-location-url-format': z.string().optional()\n      .describe('[DOT only] Format string for file location URLs (placeholders: {path}, {start:line}, {start:column}, {end:line}, {end:column}, {offset}, {length})'),\n    threads: z.number().optional()\n      .describe('Number of threads for computing paths (0 = one per core, -N = leave N cores unused)'),\n    'column-kind': z.enum(['utf8', 'utf16', 'utf32', 'bytes']).optional()\n      .describe('[SARIF only] Column kind for interpreting location columns'),\n    'unicode-new-lines': z.boolean().optional()\n      .describe('[SARIF only] Whether unicode newlines (U+2028, U+2029) are considered as newlines'),\n    verbose: createCodeQLSchemas.verbose(),\n    additionalArgs: createCodeQLSchemas.additionalArgs()\n  },\n  examples: [\n    'codeql bqrs interpret --format=sarif-latest --output=results.sarif -t kind=problem -t id=js/sql-injection results.bqrs',\n    'codeql bqrs interpret --format=graphtext --output=ast.txt -t kind=graph -t id=js/print-ast results.bqrs',\n    'codeql bqrs interpret --format=csv --csv-location-format=line-column --output=results.csv -t kind=problem -t id=js/xss results.bqrs',\n    'codeql bqrs interpret --format=dot --output=graph.dot -t kind=graph -t id=java/call-graph results.bqrs',\n    'codeql bqrs interpret --format=sarif-latest --sarif-add-snippets --sarif-category=security --output=results.sarif -t kind=path-problem -t id=go/path-injection results.bqrs'\n  ],\n  resultProcessor: createBQRSResultProcessor()\n};\n", "/**\n * CodeQL database analyze tool\n */\n\nimport { z } from 'zod';\nimport { CLIToolDefinition } from '../../lib/cli-tool-registry';\n\nexport const codeqlDatabaseAnalyzeTool: CLIToolDefinition = {\n  name: 'codeql_database_analyze',\n  description: 'Run queries or query suites against CodeQL databases',\n  command: 'codeql',\n  subcommand: 'database analyze',\n  inputSchema: {\n    database: z.string().describe('Path to the CodeQL database'),\n    queries: z.string().describe('Queries or query suite to run'),\n    output: z.string().optional().describe('Output file path'),\n    format: z.enum(['csv', 'json', 'sarif-latest', 'sarifv2.1.0']).optional()\n      .describe('Output format for results'),\n    'download-location': z.string().optional()\n      .describe('Location to download missing dependencies'),\n    threads: z.number().optional().describe('Number of threads to use'),\n    ram: z.number().optional().describe('Amount of RAM to use (MB)'),\n    timeout: z.number().optional().describe('Timeout in seconds'),\n    verbose: z.boolean().optional().describe('Enable verbose output'),\n    additionalArgs: z.array(z.string()).optional().describe('Additional command-line arguments')\n  },\n  examples: [\n    'codeql database analyze mydb queries.qls --format=sarif-latest --output=results.sarif',\n    'codeql database analyze mydb codeql/java-queries --format=csv'\n  ]\n};", "/**\n * CodeQL database create tool\n */\n\nimport { z } from 'zod';\nimport { CLIToolDefinition, createDatabaseResultProcessor } from '../../lib/cli-tool-registry';\n\nexport const codeqlDatabaseCreateTool: CLIToolDefinition = {\n  name: 'codeql_database_create',\n  description: 'Create a CodeQL database from source code',\n  command: 'codeql',\n  subcommand: 'database create',\n  inputSchema: {\n    database: z.string().describe('Database path/name to create'),\n    language: z.string().optional().describe('Programming language(s) to extract'),\n    'source-root': z.string().optional().describe('Root directory of source code'),\n    command: z.string().optional().describe('Build command for compiled languages'),\n    'build-mode': z.enum(['none', 'autobuild', 'manual']).optional()\n      .describe('Build mode: none (interpreted langs), autobuild, or manual'),\n    threads: z.number().optional().describe('Number of threads to use'),\n    ram: z.number().optional().describe('Amount of RAM to use (MB)'),\n    verbose: z.boolean().optional().describe('Enable verbose output'),\n    overwrite: z.boolean().optional().describe('Overwrite existing database if it exists'),\n    'no-cleanup': z.boolean().optional().describe('Skip database cleanup after finalization'),\n    additionalArgs: z.array(z.string()).optional().describe('Additional command-line arguments')\n  },\n  examples: [\n    'codeql database create --language=java --source-root=/path/to/project mydb',\n    'codeql database create --language=cpp --command=\"make all\" mydb',\n    'codeql database create --language=python,javascript mydb'\n  ],\n  resultProcessor: createDatabaseResultProcessor()\n};", "/**\n * CodeQL find class position tool\n * \n * Inspired by JordyZomer/codeql-mcp repository:\n * - https://github.com/JordyZomer/codeql-mcp/blob/main/server.py\n * - https://github.com/JordyZomer/codeql-mcp/blob/main/codeqlclient.py\n */\n\nimport { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';\nimport { z } from 'zod';\nimport { readFile } from 'fs/promises';\nimport { logger } from '../../utils/logger';\n\nexport interface ClassPosition {\n  start_line: number;\n  start_col: number;\n  end_line: number;\n  end_col: number;\n}\n\n/**\n * Find the 1-based position of a class name identifier in a QL file.\n * Returns: { start_line, start_col, end_line, end_col }\n */\nexport async function findClassPosition(filepath: string, className: string): Promise<ClassPosition> {\n  try {\n    const content = await readFile(filepath, 'utf-8');\n    const lines = content.split('\\n');\n\n    for (let i = 0; i < lines.length; i++) {\n      const line = lines[i];\n      // Match class definition with the specific class name\n      const classNameRegex = new RegExp(`\\\\bclass\\\\s+(${className.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\$&')})\\\\b`);\n      const match = classNameRegex.exec(line);\n      \n      if (match) {\n        const start_line = i + 1; // 1-based line numbering\n        // The class name is in capture group 1\n        const classNameStart = match.index + match[0].indexOf(match[1]);\n        const start_col = classNameStart + 1; // 1-based column numbering\n        const end_col = start_col + className.length - 1; // end_col is inclusive\n        \n        return {\n          start_line,\n          start_col,\n          end_line: start_line,\n          end_col\n        };\n      }\n    }\n\n    throw new Error(`Class name '${className}' not found in file: ${filepath}`);\n  } catch (error) {\n    if (error instanceof Error && error.message.includes('not found in file')) {\n      throw error;\n    }\n    throw new Error(`Failed to read or parse file ${filepath}: ${error instanceof Error ? error.message : 'Unknown error'}`);\n  }\n}\n\n/**\n * Register the find class position tool with the MCP server\n */\nexport function registerFindClassPositionTool(server: McpServer): void {\n  server.tool(\n    'find_class_position',\n    'Finds startline, startcol, endline endcol of a class for quickeval',\n    {\n      file: z.string().describe('Path to the .ql file to search'),\n      name: z.string().describe('Name of the class to find'),\n    },\n    async ({ file, name }) => {\n      try {\n        const position = await findClassPosition(file, name);\n        return {\n          content: [{ type: 'text', text: JSON.stringify(position, null, 2) }],\n        };\n      } catch (error) {\n        logger.error('Error finding class position:', error);\n        return {\n          content: [\n            {\n              type: 'text',\n              text: `Error: ${error instanceof Error ? error.message : 'Unknown error'}`,\n            },\n          ],\n          isError: true,\n        };\n      }\n    }\n  );\n}", "/**\n * CodeQL find predicate position tool\n * \n * Inspired by JordyZomer/codeql-mcp repository:\n * - https://github.com/JordyZomer/codeql-mcp/blob/main/server.py\n * - https://github.com/JordyZomer/codeql-mcp/blob/main/codeqlclient.py\n */\n\nimport { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';\nimport { z } from 'zod';\nimport { readFile } from 'fs/promises';\nimport { logger } from '../../utils/logger';\n\nexport interface PredicatePosition {\n  start_line: number;\n  start_col: number;\n  end_line: number;\n  end_col: number;\n}\n\n/**\n * Find the 1-based position of a predicate name in a QL file.\n * Supports: \n * - predicate name(...)  - predicates with no return type\n * - Type name(...)       - predicates with return type (e.g., string foo())\n * - name(...) (inside class) - member predicates\n * Returns: { start_line, start_col, end_line, end_col }\n */\nexport async function findPredicatePosition(filepath: string, predicateName: string): Promise<PredicatePosition> {\n  try {\n    const content = await readFile(filepath, 'utf-8');\n    const lines = content.split('\\n');\n    const escapedName = predicateName.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\$&');\n\n    for (let i = 0; i < lines.length; i++) {\n      const line = lines[i];\n      \n      // Match predicate definition with the specific predicate name\n      // Pattern 1: predicate name(...)\n      const predicateKeywordRegex = new RegExp(`\\\\bpredicate\\\\s+(${escapedName})\\\\s*\\\\(`);\n      let match = predicateKeywordRegex.exec(line);\n      \n      // Pattern 2: Type name(...) - predicates with return type\n      // Matches: string foo(), int bar(), MyClass baz(), etc.\n      // Must start at beginning of line (with optional whitespace) or after certain keywords\n      if (!match) {\n        const returnTypeRegex = new RegExp(`(?:^|\\\\s)(?:abstract\\\\s+)?(?:cached\\\\s+)?(?:private\\\\s+)?(?:deprecated\\\\s+)?(?:\\\\w+)\\\\s+(${escapedName})\\\\s*\\\\(`);\n        match = returnTypeRegex.exec(line);\n      }\n      \n      if (match) {\n        const start_line = i + 1; // 1-based line numbering\n        // The predicate name is in capture group 1\n        const predicateNameStart = match.index + match[0].indexOf(match[1]);\n        const start_col = predicateNameStart + 1; // 1-based column numbering\n        const end_col = start_col + predicateName.length - 1; // end_col is inclusive\n        \n        return {\n          start_line,\n          start_col,\n          end_line: start_line,\n          end_col\n        };\n      }\n    }\n\n    throw new Error(`Predicate name '${predicateName}' not found in file: ${filepath}`);\n  } catch (error) {\n    if (error instanceof Error && error.message.includes('not found in file')) {\n      throw error;\n    }\n    throw new Error(`Failed to read or parse file ${filepath}: ${error instanceof Error ? error.message : 'Unknown error'}`);\n  }\n}\n\n/**\n * Register the find predicate position tool with the MCP server\n */\nexport function registerFindPredicatePositionTool(server: McpServer): void {\n  server.tool(\n    'find_predicate_position',\n    'Finds startline, startcol, endline endcol of a predicate for quickeval',\n    {\n      file: z.string().describe('Path to the .ql file to search'),\n      name: z.string().describe('Name of the predicate to find'),\n    },\n    async ({ file, name }) => {\n      try {\n        const position = await findPredicatePosition(file, name);\n        return {\n          content: [{ type: 'text', text: JSON.stringify(position, null, 2) }],\n        };\n      } catch (error) {\n        logger.error('Error finding predicate position:', error);\n        return {\n          content: [\n            {\n              type: 'text',\n              text: `Error: ${error instanceof Error ? error.message : 'Unknown error'}`,\n            },\n          ],\n          isError: true,\n        };\n      }\n    }\n  );\n}", "/**\n * CodeQL find query files tool\n * Discovers and tracks all files related to a CodeQL query\n */\n\nimport { z } from 'zod';\nimport { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';\nimport { findCodeQLQueryFiles } from '../../lib/query-file-finder';\nimport { logger } from '../../utils/logger';\n\n/**\n * Register the find_codeql_query_files tool\n */\nexport function registerFindCodeQLQueryFilesTool(server: McpServer): void {\n  server.tool(\n    'find_codeql_query_files',\n    'Find and track all files and directories related to a CodeQL query, including resolved metadata',\n    {\n      queryPath: z.string().describe('Path to the CodeQL query file (.ql)'),\n      language: z.string().optional().describe('Programming language (optional, will be inferred if not provided)'),\n      resolveMetadata: z.boolean().optional().describe('Whether to resolve query metadata (default: true)')\n    },\n    async ({ queryPath, language, resolveMetadata }) => {\n      try {\n        const result = await findCodeQLQueryFiles(\n          queryPath,\n          language,\n          resolveMetadata !== false  // Default to true if not specified\n        );\n\n        return {\n          content: [{ type: 'text', text: JSON.stringify(result, null, 2) }]\n        };\n      } catch (error) {\n        logger.error('Error finding CodeQL query files:', error);\n        return {\n          content: [\n            {\n              type: 'text',\n              text: `Error: ${error instanceof Error ? error.message : 'Unknown error'}`\n            }\n          ],\n          isError: true\n        };\n      }\n    }\n  );\n}\n", "/**\n * CodeQL query file finder utilities\n * Handles discovery and tracking of query-related files and directories\n */\n\nimport * as fs from 'fs';\nimport * as path from 'path';\nimport * as yaml from 'js-yaml';\nimport { QueryFileInfo, QueryFilesResult } from '../types/codeql';\nimport { resolveQueryMetadata } from './metadata-resolver';\n\n// Supported CodeQL languages and their file extensions (alphabetically ordered)\nconst LANGUAGE_EXTENSIONS: Record<string, string> = {\n  actions: 'yml',\n  cpp: 'cpp',\n  csharp: 'cs',\n  go: 'go',\n  java: 'java',\n  javascript: 'js',\n  python: 'py',\n  ruby: 'rb',\n  swift: 'swift',\n  typescript: 'ts'\n};\n\nconst KNOWN_LANGUAGES = Object.keys(LANGUAGE_EXTENSIONS);\n\n/**\n * Get the file extension for test code based on language\n */\nfunction getLanguageExtension(language: string): string {\n  return LANGUAGE_EXTENSIONS[language.toLowerCase()] || 'txt';\n}\n\n/**\n * Infer the language from the query file's directory structure\n */\nfunction inferLanguageFromPath(queryPath: string): string {\n  const parts = queryPath.split(path.sep);\n\n  for (const part of parts) {\n    if (KNOWN_LANGUAGES.includes(part.toLowerCase())) {\n      return part.toLowerCase();\n    }\n  }\n\n  // Default fallback\n  return 'unknown';\n}\n\n/**\n * Find the nearest qlpack.yml or codeql-pack.yml file by walking up the directory tree\n */\nfunction findNearestQlpack(startPath: string): string | null {\n  let currentPath = startPath;\n  const root = path.parse(currentPath).root;\n\n  while (currentPath !== root) {\n    // Check for codeql-pack.yml first (newer format), then qlpack.yml\n    for (const packFile of ['codeql-pack.yml', 'qlpack.yml']) {\n      const packPath = path.join(currentPath, packFile);\n      if (fs.existsSync(packPath) && fs.statSync(packPath).isFile()) {\n        return packPath;\n      }\n    }\n    currentPath = path.dirname(currentPath);\n  }\n\n  return null;\n}\n\n/**\n * Read and parse qlpack.yml file\n */\nfunction readQlpackMetadata(qlpackPath: string): Record<string, unknown> | null {\n  try {\n    const content = fs.readFileSync(qlpackPath, 'utf-8');\n    const parsed = yaml.load(content) as Record<string, unknown>;\n    return parsed;\n  } catch (_error) {\n    // If we can't parse it, return null rather than failing\n    return null;\n  }\n}\n\n/**\n * Check if a file exists and return QueryFileInfo\n */\nfunction checkFile(filePath: string): QueryFileInfo {\n  try {\n    const exists = fs.existsSync(filePath) && fs.statSync(filePath).isFile();\n    return {\n      exists,\n      path: filePath  // Always return path, whether it exists or not\n    };\n  } catch {\n    return {\n      exists: false,\n      path: filePath  // Return the path even on error\n    };\n  }\n}\n\n/**\n * Check if a directory exists and return QueryFileInfo\n */\nfunction checkDirectory(dirPath: string): QueryFileInfo {\n  try {\n    const exists = fs.existsSync(dirPath) && fs.statSync(dirPath).isDirectory();\n    return {\n      exists,\n      path: dirPath  // Always return path, whether it exists or not\n    };\n  } catch {\n    return {\n      exists: false,\n      path: dirPath  // Return the path even on error\n    };\n  }\n}\n\n/**\n * Find all test code files in the test directory\n */\nfunction findTestCodeFiles(testDir: string, queryName: string, language: string): string[] {\n  if (!fs.existsSync(testDir)) {\n    return [];\n  }\n\n  try {\n    const files = fs.readdirSync(testDir);\n    const languageExt = getLanguageExtension(language);\n    const testFiles: string[] = [];\n\n    // Look for files matching the query name or other test code files\n    const allValidExtensions = [...new Set([...Object.values(LANGUAGE_EXTENSIONS), 'yaml'])]; // Include yaml as alias for yml\n\n    for (const file of files) {\n      const filePath = path.join(testDir, file);\n      const stat = fs.statSync(filePath);\n\n      if (stat.isFile()) {\n        // Include the primary test file matching query name\n        if (file === `${queryName}.${languageExt}`) {\n          testFiles.push(filePath);\n        }\n        // Include other code files (but not .qlref, .expected, .actual files)\n        else if (!file.endsWith('.qlref') && !file.endsWith('.expected') && !file.endsWith('.actual')) {\n          const ext = path.extname(file).slice(1);\n          if (ext === languageExt || allValidExtensions.includes(ext)) {\n            testFiles.push(filePath);\n          }\n        }\n      }\n    }\n\n    return testFiles;\n  } catch {\n    return [];\n  }\n}\n\n/**\n * Find CodeQL query files and directories based on a query file path\n * Optionally resolves metadata if the query file exists\n */\nexport async function findCodeQLQueryFiles(\n  queryFilePath: string,\n  language?: string,\n  resolveMetadata: boolean = true\n): Promise<QueryFilesResult> {\n  // Resolve absolute path\n  const absoluteQueryPath = path.resolve(queryFilePath);\n\n  // Extract query name and directory\n  const queryName = path.basename(absoluteQueryPath, '.ql');\n  const queryDir = path.dirname(absoluteQueryPath);\n\n  // Infer language if not provided\n  const detectedLanguage = language || inferLanguageFromPath(absoluteQueryPath);\n\n  // Check query file itself\n  const queryPath = checkFile(absoluteQueryPath);\n  const queryDirectory = checkDirectory(queryDir);\n\n  // Check for documentation files\n  const mdPath = path.join(queryDir, `${queryName}.md`);\n  const qhelpPath = path.join(queryDir, `${queryName}.qhelp`);\n  const mdInfo = checkFile(mdPath);\n  const qhelpInfo = checkFile(qhelpPath);\n\n  const documentationPath: QueryFileInfo = mdInfo.exists ? mdInfo : (qhelpInfo.exists ? qhelpInfo : {\n    exists: false,\n    path: mdPath  // Suggest .md as the default\n  });\n\n  // Check for specification file\n  const qspecPath = path.join(queryDir, `${queryName}.qspec`);\n  const specificationPath = checkFile(qspecPath);\n\n  // Determine test directory\n  // Pattern: if query is in .../src/QueryName/, test should be in .../test/QueryName/\n  let testDir: string;\n  if (queryDir.includes(`${path.sep}src${path.sep}`)) {\n    // Find the last occurrence of /src/ and replace it with /test/\n    const parts = queryDir.split(path.sep);\n    const srcIndex = parts.lastIndexOf('src');\n    if (srcIndex !== -1) {\n      parts[srcIndex] = 'test';\n      testDir = parts.join(path.sep);\n    } else {\n      // Fallback in case split didn't find it\n      testDir = path.join(path.dirname(queryDir), 'test', queryName);\n    }\n  } else {\n    // Fallback: if not in src directory, construct test dir based on parent\n    testDir = path.join(path.dirname(queryDir), 'test', queryName);\n  }\n  const testDirectory = checkDirectory(testDir);\n\n  // Check for .qlref file\n  const qlrefPath = path.join(testDir, `${queryName}.qlref`);\n  const qlrefInfo = checkFile(qlrefPath);\n\n  // Find test code files\n  const testCodePaths = findTestCodeFiles(testDir, queryName, detectedLanguage);\n\n  // Check for expected results\n  const expectedPath = path.join(testDir, `${queryName}.expected`);\n  const expectedResultsPath = checkFile(expectedPath);\n\n  // Check for actual results\n  const actualPath = path.join(testDir, `${queryName}.actual`);\n  const actualResultsPath = checkFile(actualPath);\n\n  // Check for test database\n  const testprojPath = path.join(testDir, `${queryName}.testproj`);\n  const testDatabasePath = checkDirectory(testprojPath);\n\n  // Determine missing files\n  const missingFiles: string[] = [];\n  if (!queryPath.exists) missingFiles.push(queryPath.path);\n  if (!documentationPath.exists) missingFiles.push(documentationPath.path);\n  if (!specificationPath.exists) missingFiles.push(specificationPath.path);\n  if (!testDirectory.exists) missingFiles.push(testDirectory.path);\n  if (!qlrefInfo.exists) missingFiles.push(qlrefInfo.path);\n  if (testCodePaths.length === 0) missingFiles.push(path.join(testDir, `${queryName}.${getLanguageExtension(detectedLanguage)}`));\n  if (!expectedResultsPath.exists) missingFiles.push(expectedResultsPath.path);\n\n  const allFilesExist = missingFiles.length === 0;\n\n  // Resolve metadata if requested and query file exists\n  let metadata: { [key: string]: string | string[] } | undefined;\n  if (resolveMetadata && queryPath.exists) {\n    const resolvedMetadata = await resolveQueryMetadata(absoluteQueryPath);\n    if (resolvedMetadata) {\n      metadata = resolvedMetadata;\n    }\n  }\n\n  // Resolve pack metadata and directories by finding the nearest qlpack.yml files\n  let packMetadata: Record<string, unknown> | undefined;\n  const queryPackPath = findNearestQlpack(queryDir);\n  const queryPackDir = queryPackPath ? path.dirname(queryPackPath) : queryDir;\n  if (queryPackPath) {\n    const parsed = readQlpackMetadata(queryPackPath);\n    if (parsed) {\n      packMetadata = parsed;\n    }\n  }\n\n  // Find pack directory for test files\n  const testPackPath = findNearestQlpack(testDir);\n  const testPackDir = testPackPath ? path.dirname(testPackPath) : testDir;\n\n  return {\n    queryName,\n    language: detectedLanguage,\n\n    allFilesExist,\n\n    files: {\n      query: {\n        dir: queryDirectory.path,\n        doc: path.basename(documentationPath.path),\n        packDir: queryPackDir,\n        query: path.basename(queryPath.path),\n        spec: path.basename(specificationPath.path)\n      },\n      test: {\n        actual: path.basename(actualResultsPath.path),\n        dir: testDirectory.path,\n        expected: path.basename(expectedResultsPath.path),\n        packDir: testPackDir,\n        qlref: path.basename(qlrefInfo.path),\n        testCode: testCodePaths,\n        testDatabaseDir: testDatabasePath.path\n      }\n    },\n\n    metadata,\n\n    missingFiles,\n\n    packMetadata,\n\n    status: {\n      actualResultsExist: actualResultsPath.exists,\n      documentationExists: documentationPath.exists,\n      expectedResultsExist: expectedResultsPath.exists,\n      hasTestCode: testCodePaths.length > 0,\n      qlrefExists: qlrefInfo.exists,\n      queryExists: queryPath.exists,\n      specificationExists: specificationPath.exists,\n      testDatabaseDirExists: testDatabasePath.exists,\n      testDirectoryExists: testDirectory.exists\n    }\n  };\n}\n", "\n/*! js-yaml 4.1.1 https://github.com/nodeca/js-yaml @license MIT */\nfunction isNothing(subject) {\n  return (typeof subject === 'undefined') || (subject === null);\n}\n\n\nfunction isObject(subject) {\n  return (typeof subject === 'object') && (subject !== null);\n}\n\n\nfunction toArray(sequence) {\n  if (Array.isArray(sequence)) return sequence;\n  else if (isNothing(sequence)) return [];\n\n  return [ sequence ];\n}\n\n\nfunction extend(target, source) {\n  var index, length, key, sourceKeys;\n\n  if (source) {\n    sourceKeys = Object.keys(source);\n\n    for (index = 0, length = sourceKeys.length; index < length; index += 1) {\n      key = sourceKeys[index];\n      target[key] = source[key];\n    }\n  }\n\n  return target;\n}\n\n\nfunction repeat(string, count) {\n  var result = '', cycle;\n\n  for (cycle = 0; cycle < count; cycle += 1) {\n    result += string;\n  }\n\n  return result;\n}\n\n\nfunction isNegativeZero(number) {\n  return (number === 0) && (Number.NEGATIVE_INFINITY === 1 / number);\n}\n\n\nvar isNothing_1      = isNothing;\nvar isObject_1       = isObject;\nvar toArray_1        = toArray;\nvar repeat_1         = repeat;\nvar isNegativeZero_1 = isNegativeZero;\nvar extend_1         = extend;\n\nvar common = {\n\tisNothing: isNothing_1,\n\tisObject: isObject_1,\n\ttoArray: toArray_1,\n\trepeat: repeat_1,\n\tisNegativeZero: isNegativeZero_1,\n\textend: extend_1\n};\n\n// YAML error class. http://stackoverflow.com/questions/8458984\n\n\nfunction formatError(exception, compact) {\n  var where = '', message = exception.reason || '(unknown reason)';\n\n  if (!exception.mark) return message;\n\n  if (exception.mark.name) {\n    where += 'in \"' + exception.mark.name + '\" ';\n  }\n\n  where += '(' + (exception.mark.line + 1) + ':' + (exception.mark.column + 1) + ')';\n\n  if (!compact && exception.mark.snippet) {\n    where += '\\n\\n' + exception.mark.snippet;\n  }\n\n  return message + ' ' + where;\n}\n\n\nfunction YAMLException$1(reason, mark) {\n  // Super constructor\n  Error.call(this);\n\n  this.name = 'YAMLException';\n  this.reason = reason;\n  this.mark = mark;\n  this.message = formatError(this, false);\n\n  // Include stack trace in error object\n  if (Error.captureStackTrace) {\n    // Chrome and NodeJS\n    Error.captureStackTrace(this, this.constructor);\n  } else {\n    // FF, IE 10+ and Safari 6+. Fallback for others\n    this.stack = (new Error()).stack || '';\n  }\n}\n\n\n// Inherit from Error\nYAMLException$1.prototype = Object.create(Error.prototype);\nYAMLException$1.prototype.constructor = YAMLException$1;\n\n\nYAMLException$1.prototype.toString = function toString(compact) {\n  return this.name + ': ' + formatError(this, compact);\n};\n\n\nvar exception = YAMLException$1;\n\n// get snippet for a single line, respecting maxLength\nfunction getLine(buffer, lineStart, lineEnd, position, maxLineLength) {\n  var head = '';\n  var tail = '';\n  var maxHalfLength = Math.floor(maxLineLength / 2) - 1;\n\n  if (position - lineStart > maxHalfLength) {\n    head = ' ... ';\n    lineStart = position - maxHalfLength + head.length;\n  }\n\n  if (lineEnd - position > maxHalfLength) {\n    tail = ' ...';\n    lineEnd = position + maxHalfLength - tail.length;\n  }\n\n  return {\n    str: head + buffer.slice(lineStart, lineEnd).replace(/\\t/g, '\u2192') + tail,\n    pos: position - lineStart + head.length // relative position\n  };\n}\n\n\nfunction padStart(string, max) {\n  return common.repeat(' ', max - string.length) + string;\n}\n\n\nfunction makeSnippet(mark, options) {\n  options = Object.create(options || null);\n\n  if (!mark.buffer) return null;\n\n  if (!options.maxLength) options.maxLength = 79;\n  if (typeof options.indent      !== 'number') options.indent      = 1;\n  if (typeof options.linesBefore !== 'number') options.linesBefore = 3;\n  if (typeof options.linesAfter  !== 'number') options.linesAfter  = 2;\n\n  var re = /\\r?\\n|\\r|\\0/g;\n  var lineStarts = [ 0 ];\n  var lineEnds = [];\n  var match;\n  var foundLineNo = -1;\n\n  while ((match = re.exec(mark.buffer))) {\n    lineEnds.push(match.index);\n    lineStarts.push(match.index + match[0].length);\n\n    if (mark.position <= match.index && foundLineNo < 0) {\n      foundLineNo = lineStarts.length - 2;\n    }\n  }\n\n  if (foundLineNo < 0) foundLineNo = lineStarts.length - 1;\n\n  var result = '', i, line;\n  var lineNoLength = Math.min(mark.line + options.linesAfter, lineEnds.length).toString().length;\n  var maxLineLength = options.maxLength - (options.indent + lineNoLength + 3);\n\n  for (i = 1; i <= options.linesBefore; i++) {\n    if (foundLineNo - i < 0) break;\n    line = getLine(\n      mark.buffer,\n      lineStarts[foundLineNo - i],\n      lineEnds[foundLineNo - i],\n      mark.position - (lineStarts[foundLineNo] - lineStarts[foundLineNo - i]),\n      maxLineLength\n    );\n    result = common.repeat(' ', options.indent) + padStart((mark.line - i + 1).toString(), lineNoLength) +\n      ' | ' + line.str + '\\n' + result;\n  }\n\n  line = getLine(mark.buffer, lineStarts[foundLineNo], lineEnds[foundLineNo], mark.position, maxLineLength);\n  result += common.repeat(' ', options.indent) + padStart((mark.line + 1).toString(), lineNoLength) +\n    ' | ' + line.str + '\\n';\n  result += common.repeat('-', options.indent + lineNoLength + 3 + line.pos) + '^' + '\\n';\n\n  for (i = 1; i <= options.linesAfter; i++) {\n    if (foundLineNo + i >= lineEnds.length) break;\n    line = getLine(\n      mark.buffer,\n      lineStarts[foundLineNo + i],\n      lineEnds[foundLineNo + i],\n      mark.position - (lineStarts[foundLineNo] - lineStarts[foundLineNo + i]),\n      maxLineLength\n    );\n    result += common.repeat(' ', options.indent) + padStart((mark.line + i + 1).toString(), lineNoLength) +\n      ' | ' + line.str + '\\n';\n  }\n\n  return result.replace(/\\n$/, '');\n}\n\n\nvar snippet = makeSnippet;\n\nvar TYPE_CONSTRUCTOR_OPTIONS = [\n  'kind',\n  'multi',\n  'resolve',\n  'construct',\n  'instanceOf',\n  'predicate',\n  'represent',\n  'representName',\n  'defaultStyle',\n  'styleAliases'\n];\n\nvar YAML_NODE_KINDS = [\n  'scalar',\n  'sequence',\n  'mapping'\n];\n\nfunction compileStyleAliases(map) {\n  var result = {};\n\n  if (map !== null) {\n    Object.keys(map).forEach(function (style) {\n      map[style].forEach(function (alias) {\n        result[String(alias)] = style;\n      });\n    });\n  }\n\n  return result;\n}\n\nfunction Type$1(tag, options) {\n  options = options || {};\n\n  Object.keys(options).forEach(function (name) {\n    if (TYPE_CONSTRUCTOR_OPTIONS.indexOf(name) === -1) {\n      throw new exception('Unknown option \"' + name + '\" is met in definition of \"' + tag + '\" YAML type.');\n    }\n  });\n\n  // TODO: Add tag format check.\n  this.options       = options; // keep original options in case user wants to extend this type later\n  this.tag           = tag;\n  this.kind          = options['kind']          || null;\n  this.resolve       = options['resolve']       || function () { return true; };\n  this.construct     = options['construct']     || function (data) { return data; };\n  this.instanceOf    = options['instanceOf']    || null;\n  this.predicate     = options['predicate']     || null;\n  this.represent     = options['represent']     || null;\n  this.representName = options['representName'] || null;\n  this.defaultStyle  = options['defaultStyle']  || null;\n  this.multi         = options['multi']         || false;\n  this.styleAliases  = compileStyleAliases(options['styleAliases'] || null);\n\n  if (YAML_NODE_KINDS.indexOf(this.kind) === -1) {\n    throw new exception('Unknown kind \"' + this.kind + '\" is specified for \"' + tag + '\" YAML type.');\n  }\n}\n\nvar type = Type$1;\n\n/*eslint-disable max-len*/\n\n\n\n\n\nfunction compileList(schema, name) {\n  var result = [];\n\n  schema[name].forEach(function (currentType) {\n    var newIndex = result.length;\n\n    result.forEach(function (previousType, previousIndex) {\n      if (previousType.tag === currentType.tag &&\n          previousType.kind === currentType.kind &&\n          previousType.multi === currentType.multi) {\n\n        newIndex = previousIndex;\n      }\n    });\n\n    result[newIndex] = currentType;\n  });\n\n  return result;\n}\n\n\nfunction compileMap(/* lists... */) {\n  var result = {\n        scalar: {},\n        sequence: {},\n        mapping: {},\n        fallback: {},\n        multi: {\n          scalar: [],\n          sequence: [],\n          mapping: [],\n          fallback: []\n        }\n      }, index, length;\n\n  function collectType(type) {\n    if (type.multi) {\n      result.multi[type.kind].push(type);\n      result.multi['fallback'].push(type);\n    } else {\n      result[type.kind][type.tag] = result['fallback'][type.tag] = type;\n    }\n  }\n\n  for (index = 0, length = arguments.length; index < length; index += 1) {\n    arguments[index].forEach(collectType);\n  }\n  return result;\n}\n\n\nfunction Schema$1(definition) {\n  return this.extend(definition);\n}\n\n\nSchema$1.prototype.extend = function extend(definition) {\n  var implicit = [];\n  var explicit = [];\n\n  if (definition instanceof type) {\n    // Schema.extend(type)\n    explicit.push(definition);\n\n  } else if (Array.isArray(definition)) {\n    // Schema.extend([ type1, type2, ... ])\n    explicit = explicit.concat(definition);\n\n  } else if (definition && (Array.isArray(definition.implicit) || Array.isArray(definition.explicit))) {\n    // Schema.extend({ explicit: [ type1, type2, ... ], implicit: [ type1, type2, ... ] })\n    if (definition.implicit) implicit = implicit.concat(definition.implicit);\n    if (definition.explicit) explicit = explicit.concat(definition.explicit);\n\n  } else {\n    throw new exception('Schema.extend argument should be a Type, [ Type ], ' +\n      'or a schema definition ({ implicit: [...], explicit: [...] })');\n  }\n\n  implicit.forEach(function (type$1) {\n    if (!(type$1 instanceof type)) {\n      throw new exception('Specified list of YAML types (or a single Type object) contains a non-Type object.');\n    }\n\n    if (type$1.loadKind && type$1.loadKind !== 'scalar') {\n      throw new exception('There is a non-scalar type in the implicit list of a schema. Implicit resolving of such types is not supported.');\n    }\n\n    if (type$1.multi) {\n      throw new exception('There is a multi type in the implicit list of a schema. Multi tags can only be listed as explicit.');\n    }\n  });\n\n  explicit.forEach(function (type$1) {\n    if (!(type$1 instanceof type)) {\n      throw new exception('Specified list of YAML types (or a single Type object) contains a non-Type object.');\n    }\n  });\n\n  var result = Object.create(Schema$1.prototype);\n\n  result.implicit = (this.implicit || []).concat(implicit);\n  result.explicit = (this.explicit || []).concat(explicit);\n\n  result.compiledImplicit = compileList(result, 'implicit');\n  result.compiledExplicit = compileList(result, 'explicit');\n  result.compiledTypeMap  = compileMap(result.compiledImplicit, result.compiledExplicit);\n\n  return result;\n};\n\n\nvar schema = Schema$1;\n\nvar str = new type('tag:yaml.org,2002:str', {\n  kind: 'scalar',\n  construct: function (data) { return data !== null ? data : ''; }\n});\n\nvar seq = new type('tag:yaml.org,2002:seq', {\n  kind: 'sequence',\n  construct: function (data) { return data !== null ? data : []; }\n});\n\nvar map = new type('tag:yaml.org,2002:map', {\n  kind: 'mapping',\n  construct: function (data) { return data !== null ? data : {}; }\n});\n\nvar failsafe = new schema({\n  explicit: [\n    str,\n    seq,\n    map\n  ]\n});\n\nfunction resolveYamlNull(data) {\n  if (data === null) return true;\n\n  var max = data.length;\n\n  return (max === 1 && data === '~') ||\n         (max === 4 && (data === 'null' || data === 'Null' || data === 'NULL'));\n}\n\nfunction constructYamlNull() {\n  return null;\n}\n\nfunction isNull(object) {\n  return object === null;\n}\n\nvar _null = new type('tag:yaml.org,2002:null', {\n  kind: 'scalar',\n  resolve: resolveYamlNull,\n  construct: constructYamlNull,\n  predicate: isNull,\n  represent: {\n    canonical: function () { return '~';    },\n    lowercase: function () { return 'null'; },\n    uppercase: function () { return 'NULL'; },\n    camelcase: function () { return 'Null'; },\n    empty:     function () { return '';     }\n  },\n  defaultStyle: 'lowercase'\n});\n\nfunction resolveYamlBoolean(data) {\n  if (data === null) return false;\n\n  var max = data.length;\n\n  return (max === 4 && (data === 'true' || data === 'True' || data === 'TRUE')) ||\n         (max === 5 && (data === 'false' || data === 'False' || data === 'FALSE'));\n}\n\nfunction constructYamlBoolean(data) {\n  return data === 'true' ||\n         data === 'True' ||\n         data === 'TRUE';\n}\n\nfunction isBoolean(object) {\n  return Object.prototype.toString.call(object) === '[object Boolean]';\n}\n\nvar bool = new type('tag:yaml.org,2002:bool', {\n  kind: 'scalar',\n  resolve: resolveYamlBoolean,\n  construct: constructYamlBoolean,\n  predicate: isBoolean,\n  represent: {\n    lowercase: function (object) { return object ? 'true' : 'false'; },\n    uppercase: function (object) { return object ? 'TRUE' : 'FALSE'; },\n    camelcase: function (object) { return object ? 'True' : 'False'; }\n  },\n  defaultStyle: 'lowercase'\n});\n\nfunction isHexCode(c) {\n  return ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) ||\n         ((0x41/* A */ <= c) && (c <= 0x46/* F */)) ||\n         ((0x61/* a */ <= c) && (c <= 0x66/* f */));\n}\n\nfunction isOctCode(c) {\n  return ((0x30/* 0 */ <= c) && (c <= 0x37/* 7 */));\n}\n\nfunction isDecCode(c) {\n  return ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */));\n}\n\nfunction resolveYamlInteger(data) {\n  if (data === null) return false;\n\n  var max = data.length,\n      index = 0,\n      hasDigits = false,\n      ch;\n\n  if (!max) return false;\n\n  ch = data[index];\n\n  // sign\n  if (ch === '-' || ch === '+') {\n    ch = data[++index];\n  }\n\n  if (ch === '0') {\n    // 0\n    if (index + 1 === max) return true;\n    ch = data[++index];\n\n    // base 2, base 8, base 16\n\n    if (ch === 'b') {\n      // base 2\n      index++;\n\n      for (; index < max; index++) {\n        ch = data[index];\n        if (ch === '_') continue;\n        if (ch !== '0' && ch !== '1') return false;\n        hasDigits = true;\n      }\n      return hasDigits && ch !== '_';\n    }\n\n\n    if (ch === 'x') {\n      // base 16\n      index++;\n\n      for (; index < max; index++) {\n        ch = data[index];\n        if (ch === '_') continue;\n        if (!isHexCode(data.charCodeAt(index))) return false;\n        hasDigits = true;\n      }\n      return hasDigits && ch !== '_';\n    }\n\n\n    if (ch === 'o') {\n      // base 8\n      index++;\n\n      for (; index < max; index++) {\n        ch = data[index];\n        if (ch === '_') continue;\n        if (!isOctCode(data.charCodeAt(index))) return false;\n        hasDigits = true;\n      }\n      return hasDigits && ch !== '_';\n    }\n  }\n\n  // base 10 (except 0)\n\n  // value should not start with `_`;\n  if (ch === '_') return false;\n\n  for (; index < max; index++) {\n    ch = data[index];\n    if (ch === '_') continue;\n    if (!isDecCode(data.charCodeAt(index))) {\n      return false;\n    }\n    hasDigits = true;\n  }\n\n  // Should have digits and should not end with `_`\n  if (!hasDigits || ch === '_') return false;\n\n  return true;\n}\n\nfunction constructYamlInteger(data) {\n  var value = data, sign = 1, ch;\n\n  if (value.indexOf('_') !== -1) {\n    value = value.replace(/_/g, '');\n  }\n\n  ch = value[0];\n\n  if (ch === '-' || ch === '+') {\n    if (ch === '-') sign = -1;\n    value = value.slice(1);\n    ch = value[0];\n  }\n\n  if (value === '0') return 0;\n\n  if (ch === '0') {\n    if (value[1] === 'b') return sign * parseInt(value.slice(2), 2);\n    if (value[1] === 'x') return sign * parseInt(value.slice(2), 16);\n    if (value[1] === 'o') return sign * parseInt(value.slice(2), 8);\n  }\n\n  return sign * parseInt(value, 10);\n}\n\nfunction isInteger(object) {\n  return (Object.prototype.toString.call(object)) === '[object Number]' &&\n         (object % 1 === 0 && !common.isNegativeZero(object));\n}\n\nvar int = new type('tag:yaml.org,2002:int', {\n  kind: 'scalar',\n  resolve: resolveYamlInteger,\n  construct: constructYamlInteger,\n  predicate: isInteger,\n  represent: {\n    binary:      function (obj) { return obj >= 0 ? '0b' + obj.toString(2) : '-0b' + obj.toString(2).slice(1); },\n    octal:       function (obj) { return obj >= 0 ? '0o'  + obj.toString(8) : '-0o'  + obj.toString(8).slice(1); },\n    decimal:     function (obj) { return obj.toString(10); },\n    /* eslint-disable max-len */\n    hexadecimal: function (obj) { return obj >= 0 ? '0x' + obj.toString(16).toUpperCase() :  '-0x' + obj.toString(16).toUpperCase().slice(1); }\n  },\n  defaultStyle: 'decimal',\n  styleAliases: {\n    binary:      [ 2,  'bin' ],\n    octal:       [ 8,  'oct' ],\n    decimal:     [ 10, 'dec' ],\n    hexadecimal: [ 16, 'hex' ]\n  }\n});\n\nvar YAML_FLOAT_PATTERN = new RegExp(\n  // 2.5e4, 2.5 and integers\n  '^(?:[-+]?(?:[0-9][0-9_]*)(?:\\\\.[0-9_]*)?(?:[eE][-+]?[0-9]+)?' +\n  // .2e4, .2\n  // special case, seems not from spec\n  '|\\\\.[0-9_]+(?:[eE][-+]?[0-9]+)?' +\n  // .inf\n  '|[-+]?\\\\.(?:inf|Inf|INF)' +\n  // .nan\n  '|\\\\.(?:nan|NaN|NAN))$');\n\nfunction resolveYamlFloat(data) {\n  if (data === null) return false;\n\n  if (!YAML_FLOAT_PATTERN.test(data) ||\n      // Quick hack to not allow integers end with `_`\n      // Probably should update regexp & check speed\n      data[data.length - 1] === '_') {\n    return false;\n  }\n\n  return true;\n}\n\nfunction constructYamlFloat(data) {\n  var value, sign;\n\n  value  = data.replace(/_/g, '').toLowerCase();\n  sign   = value[0] === '-' ? -1 : 1;\n\n  if ('+-'.indexOf(value[0]) >= 0) {\n    value = value.slice(1);\n  }\n\n  if (value === '.inf') {\n    return (sign === 1) ? Number.POSITIVE_INFINITY : Number.NEGATIVE_INFINITY;\n\n  } else if (value === '.nan') {\n    return NaN;\n  }\n  return sign * parseFloat(value, 10);\n}\n\n\nvar SCIENTIFIC_WITHOUT_DOT = /^[-+]?[0-9]+e/;\n\nfunction representYamlFloat(object, style) {\n  var res;\n\n  if (isNaN(object)) {\n    switch (style) {\n      case 'lowercase': return '.nan';\n      case 'uppercase': return '.NAN';\n      case 'camelcase': return '.NaN';\n    }\n  } else if (Number.POSITIVE_INFINITY === object) {\n    switch (style) {\n      case 'lowercase': return '.inf';\n      case 'uppercase': return '.INF';\n      case 'camelcase': return '.Inf';\n    }\n  } else if (Number.NEGATIVE_INFINITY === object) {\n    switch (style) {\n      case 'lowercase': return '-.inf';\n      case 'uppercase': return '-.INF';\n      case 'camelcase': return '-.Inf';\n    }\n  } else if (common.isNegativeZero(object)) {\n    return '-0.0';\n  }\n\n  res = object.toString(10);\n\n  // JS stringifier can build scientific format without dots: 5e-100,\n  // while YAML requres dot: 5.e-100. Fix it with simple hack\n\n  return SCIENTIFIC_WITHOUT_DOT.test(res) ? res.replace('e', '.e') : res;\n}\n\nfunction isFloat(object) {\n  return (Object.prototype.toString.call(object) === '[object Number]') &&\n         (object % 1 !== 0 || common.isNegativeZero(object));\n}\n\nvar float = new type('tag:yaml.org,2002:float', {\n  kind: 'scalar',\n  resolve: resolveYamlFloat,\n  construct: constructYamlFloat,\n  predicate: isFloat,\n  represent: representYamlFloat,\n  defaultStyle: 'lowercase'\n});\n\nvar json = failsafe.extend({\n  implicit: [\n    _null,\n    bool,\n    int,\n    float\n  ]\n});\n\nvar core = json;\n\nvar YAML_DATE_REGEXP = new RegExp(\n  '^([0-9][0-9][0-9][0-9])'          + // [1] year\n  '-([0-9][0-9])'                    + // [2] month\n  '-([0-9][0-9])$');                   // [3] day\n\nvar YAML_TIMESTAMP_REGEXP = new RegExp(\n  '^([0-9][0-9][0-9][0-9])'          + // [1] year\n  '-([0-9][0-9]?)'                   + // [2] month\n  '-([0-9][0-9]?)'                   + // [3] day\n  '(?:[Tt]|[ \\\\t]+)'                 + // ...\n  '([0-9][0-9]?)'                    + // [4] hour\n  ':([0-9][0-9])'                    + // [5] minute\n  ':([0-9][0-9])'                    + // [6] second\n  '(?:\\\\.([0-9]*))?'                 + // [7] fraction\n  '(?:[ \\\\t]*(Z|([-+])([0-9][0-9]?)' + // [8] tz [9] tz_sign [10] tz_hour\n  '(?::([0-9][0-9]))?))?$');           // [11] tz_minute\n\nfunction resolveYamlTimestamp(data) {\n  if (data === null) return false;\n  if (YAML_DATE_REGEXP.exec(data) !== null) return true;\n  if (YAML_TIMESTAMP_REGEXP.exec(data) !== null) return true;\n  return false;\n}\n\nfunction constructYamlTimestamp(data) {\n  var match, year, month, day, hour, minute, second, fraction = 0,\n      delta = null, tz_hour, tz_minute, date;\n\n  match = YAML_DATE_REGEXP.exec(data);\n  if (match === null) match = YAML_TIMESTAMP_REGEXP.exec(data);\n\n  if (match === null) throw new Error('Date resolve error');\n\n  // match: [1] year [2] month [3] day\n\n  year = +(match[1]);\n  month = +(match[2]) - 1; // JS month starts with 0\n  day = +(match[3]);\n\n  if (!match[4]) { // no hour\n    return new Date(Date.UTC(year, month, day));\n  }\n\n  // match: [4] hour [5] minute [6] second [7] fraction\n\n  hour = +(match[4]);\n  minute = +(match[5]);\n  second = +(match[6]);\n\n  if (match[7]) {\n    fraction = match[7].slice(0, 3);\n    while (fraction.length < 3) { // milli-seconds\n      fraction += '0';\n    }\n    fraction = +fraction;\n  }\n\n  // match: [8] tz [9] tz_sign [10] tz_hour [11] tz_minute\n\n  if (match[9]) {\n    tz_hour = +(match[10]);\n    tz_minute = +(match[11] || 0);\n    delta = (tz_hour * 60 + tz_minute) * 60000; // delta in mili-seconds\n    if (match[9] === '-') delta = -delta;\n  }\n\n  date = new Date(Date.UTC(year, month, day, hour, minute, second, fraction));\n\n  if (delta) date.setTime(date.getTime() - delta);\n\n  return date;\n}\n\nfunction representYamlTimestamp(object /*, style*/) {\n  return object.toISOString();\n}\n\nvar timestamp = new type('tag:yaml.org,2002:timestamp', {\n  kind: 'scalar',\n  resolve: resolveYamlTimestamp,\n  construct: constructYamlTimestamp,\n  instanceOf: Date,\n  represent: representYamlTimestamp\n});\n\nfunction resolveYamlMerge(data) {\n  return data === '<<' || data === null;\n}\n\nvar merge = new type('tag:yaml.org,2002:merge', {\n  kind: 'scalar',\n  resolve: resolveYamlMerge\n});\n\n/*eslint-disable no-bitwise*/\n\n\n\n\n\n// [ 64, 65, 66 ] -> [ padding, CR, LF ]\nvar BASE64_MAP = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=\\n\\r';\n\n\nfunction resolveYamlBinary(data) {\n  if (data === null) return false;\n\n  var code, idx, bitlen = 0, max = data.length, map = BASE64_MAP;\n\n  // Convert one by one.\n  for (idx = 0; idx < max; idx++) {\n    code = map.indexOf(data.charAt(idx));\n\n    // Skip CR/LF\n    if (code > 64) continue;\n\n    // Fail on illegal characters\n    if (code < 0) return false;\n\n    bitlen += 6;\n  }\n\n  // If there are any bits left, source was corrupted\n  return (bitlen % 8) === 0;\n}\n\nfunction constructYamlBinary(data) {\n  var idx, tailbits,\n      input = data.replace(/[\\r\\n=]/g, ''), // remove CR/LF & padding to simplify scan\n      max = input.length,\n      map = BASE64_MAP,\n      bits = 0,\n      result = [];\n\n  // Collect by 6*4 bits (3 bytes)\n\n  for (idx = 0; idx < max; idx++) {\n    if ((idx % 4 === 0) && idx) {\n      result.push((bits >> 16) & 0xFF);\n      result.push((bits >> 8) & 0xFF);\n      result.push(bits & 0xFF);\n    }\n\n    bits = (bits << 6) | map.indexOf(input.charAt(idx));\n  }\n\n  // Dump tail\n\n  tailbits = (max % 4) * 6;\n\n  if (tailbits === 0) {\n    result.push((bits >> 16) & 0xFF);\n    result.push((bits >> 8) & 0xFF);\n    result.push(bits & 0xFF);\n  } else if (tailbits === 18) {\n    result.push((bits >> 10) & 0xFF);\n    result.push((bits >> 2) & 0xFF);\n  } else if (tailbits === 12) {\n    result.push((bits >> 4) & 0xFF);\n  }\n\n  return new Uint8Array(result);\n}\n\nfunction representYamlBinary(object /*, style*/) {\n  var result = '', bits = 0, idx, tail,\n      max = object.length,\n      map = BASE64_MAP;\n\n  // Convert every three bytes to 4 ASCII characters.\n\n  for (idx = 0; idx < max; idx++) {\n    if ((idx % 3 === 0) && idx) {\n      result += map[(bits >> 18) & 0x3F];\n      result += map[(bits >> 12) & 0x3F];\n      result += map[(bits >> 6) & 0x3F];\n      result += map[bits & 0x3F];\n    }\n\n    bits = (bits << 8) + object[idx];\n  }\n\n  // Dump tail\n\n  tail = max % 3;\n\n  if (tail === 0) {\n    result += map[(bits >> 18) & 0x3F];\n    result += map[(bits >> 12) & 0x3F];\n    result += map[(bits >> 6) & 0x3F];\n    result += map[bits & 0x3F];\n  } else if (tail === 2) {\n    result += map[(bits >> 10) & 0x3F];\n    result += map[(bits >> 4) & 0x3F];\n    result += map[(bits << 2) & 0x3F];\n    result += map[64];\n  } else if (tail === 1) {\n    result += map[(bits >> 2) & 0x3F];\n    result += map[(bits << 4) & 0x3F];\n    result += map[64];\n    result += map[64];\n  }\n\n  return result;\n}\n\nfunction isBinary(obj) {\n  return Object.prototype.toString.call(obj) ===  '[object Uint8Array]';\n}\n\nvar binary = new type('tag:yaml.org,2002:binary', {\n  kind: 'scalar',\n  resolve: resolveYamlBinary,\n  construct: constructYamlBinary,\n  predicate: isBinary,\n  represent: representYamlBinary\n});\n\nvar _hasOwnProperty$3 = Object.prototype.hasOwnProperty;\nvar _toString$2       = Object.prototype.toString;\n\nfunction resolveYamlOmap(data) {\n  if (data === null) return true;\n\n  var objectKeys = [], index, length, pair, pairKey, pairHasKey,\n      object = data;\n\n  for (index = 0, length = object.length; index < length; index += 1) {\n    pair = object[index];\n    pairHasKey = false;\n\n    if (_toString$2.call(pair) !== '[object Object]') return false;\n\n    for (pairKey in pair) {\n      if (_hasOwnProperty$3.call(pair, pairKey)) {\n        if (!pairHasKey) pairHasKey = true;\n        else return false;\n      }\n    }\n\n    if (!pairHasKey) return false;\n\n    if (objectKeys.indexOf(pairKey) === -1) objectKeys.push(pairKey);\n    else return false;\n  }\n\n  return true;\n}\n\nfunction constructYamlOmap(data) {\n  return data !== null ? data : [];\n}\n\nvar omap = new type('tag:yaml.org,2002:omap', {\n  kind: 'sequence',\n  resolve: resolveYamlOmap,\n  construct: constructYamlOmap\n});\n\nvar _toString$1 = Object.prototype.toString;\n\nfunction resolveYamlPairs(data) {\n  if (data === null) return true;\n\n  var index, length, pair, keys, result,\n      object = data;\n\n  result = new Array(object.length);\n\n  for (index = 0, length = object.length; index < length; index += 1) {\n    pair = object[index];\n\n    if (_toString$1.call(pair) !== '[object Object]') return false;\n\n    keys = Object.keys(pair);\n\n    if (keys.length !== 1) return false;\n\n    result[index] = [ keys[0], pair[keys[0]] ];\n  }\n\n  return true;\n}\n\nfunction constructYamlPairs(data) {\n  if (data === null) return [];\n\n  var index, length, pair, keys, result,\n      object = data;\n\n  result = new Array(object.length);\n\n  for (index = 0, length = object.length; index < length; index += 1) {\n    pair = object[index];\n\n    keys = Object.keys(pair);\n\n    result[index] = [ keys[0], pair[keys[0]] ];\n  }\n\n  return result;\n}\n\nvar pairs = new type('tag:yaml.org,2002:pairs', {\n  kind: 'sequence',\n  resolve: resolveYamlPairs,\n  construct: constructYamlPairs\n});\n\nvar _hasOwnProperty$2 = Object.prototype.hasOwnProperty;\n\nfunction resolveYamlSet(data) {\n  if (data === null) return true;\n\n  var key, object = data;\n\n  for (key in object) {\n    if (_hasOwnProperty$2.call(object, key)) {\n      if (object[key] !== null) return false;\n    }\n  }\n\n  return true;\n}\n\nfunction constructYamlSet(data) {\n  return data !== null ? data : {};\n}\n\nvar set = new type('tag:yaml.org,2002:set', {\n  kind: 'mapping',\n  resolve: resolveYamlSet,\n  construct: constructYamlSet\n});\n\nvar _default = core.extend({\n  implicit: [\n    timestamp,\n    merge\n  ],\n  explicit: [\n    binary,\n    omap,\n    pairs,\n    set\n  ]\n});\n\n/*eslint-disable max-len,no-use-before-define*/\n\n\n\n\n\n\n\nvar _hasOwnProperty$1 = Object.prototype.hasOwnProperty;\n\n\nvar CONTEXT_FLOW_IN   = 1;\nvar CONTEXT_FLOW_OUT  = 2;\nvar CONTEXT_BLOCK_IN  = 3;\nvar CONTEXT_BLOCK_OUT = 4;\n\n\nvar CHOMPING_CLIP  = 1;\nvar CHOMPING_STRIP = 2;\nvar CHOMPING_KEEP  = 3;\n\n\nvar PATTERN_NON_PRINTABLE         = /[\\x00-\\x08\\x0B\\x0C\\x0E-\\x1F\\x7F-\\x84\\x86-\\x9F\\uFFFE\\uFFFF]|[\\uD800-\\uDBFF](?![\\uDC00-\\uDFFF])|(?:[^\\uD800-\\uDBFF]|^)[\\uDC00-\\uDFFF]/;\nvar PATTERN_NON_ASCII_LINE_BREAKS = /[\\x85\\u2028\\u2029]/;\nvar PATTERN_FLOW_INDICATORS       = /[,\\[\\]\\{\\}]/;\nvar PATTERN_TAG_HANDLE            = /^(?:!|!!|![a-z\\-]+!)$/i;\nvar PATTERN_TAG_URI               = /^(?:!|[^,\\[\\]\\{\\}])(?:%[0-9a-f]{2}|[0-9a-z\\-#;\\/\\?:@&=\\+\\$,_\\.!~\\*'\\(\\)\\[\\]])*$/i;\n\n\nfunction _class(obj) { return Object.prototype.toString.call(obj); }\n\nfunction is_EOL(c) {\n  return (c === 0x0A/* LF */) || (c === 0x0D/* CR */);\n}\n\nfunction is_WHITE_SPACE(c) {\n  return (c === 0x09/* Tab */) || (c === 0x20/* Space */);\n}\n\nfunction is_WS_OR_EOL(c) {\n  return (c === 0x09/* Tab */) ||\n         (c === 0x20/* Space */) ||\n         (c === 0x0A/* LF */) ||\n         (c === 0x0D/* CR */);\n}\n\nfunction is_FLOW_INDICATOR(c) {\n  return c === 0x2C/* , */ ||\n         c === 0x5B/* [ */ ||\n         c === 0x5D/* ] */ ||\n         c === 0x7B/* { */ ||\n         c === 0x7D/* } */;\n}\n\nfunction fromHexCode(c) {\n  var lc;\n\n  if ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) {\n    return c - 0x30;\n  }\n\n  /*eslint-disable no-bitwise*/\n  lc = c | 0x20;\n\n  if ((0x61/* a */ <= lc) && (lc <= 0x66/* f */)) {\n    return lc - 0x61 + 10;\n  }\n\n  return -1;\n}\n\nfunction escapedHexLen(c) {\n  if (c === 0x78/* x */) { return 2; }\n  if (c === 0x75/* u */) { return 4; }\n  if (c === 0x55/* U */) { return 8; }\n  return 0;\n}\n\nfunction fromDecimalCode(c) {\n  if ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) {\n    return c - 0x30;\n  }\n\n  return -1;\n}\n\nfunction simpleEscapeSequence(c) {\n  /* eslint-disable indent */\n  return (c === 0x30/* 0 */) ? '\\x00' :\n        (c === 0x61/* a */) ? '\\x07' :\n        (c === 0x62/* b */) ? '\\x08' :\n        (c === 0x74/* t */) ? '\\x09' :\n        (c === 0x09/* Tab */) ? '\\x09' :\n        (c === 0x6E/* n */) ? '\\x0A' :\n        (c === 0x76/* v */) ? '\\x0B' :\n        (c === 0x66/* f */) ? '\\x0C' :\n        (c === 0x72/* r */) ? '\\x0D' :\n        (c === 0x65/* e */) ? '\\x1B' :\n        (c === 0x20/* Space */) ? ' ' :\n        (c === 0x22/* \" */) ? '\\x22' :\n        (c === 0x2F/* / */) ? '/' :\n        (c === 0x5C/* \\ */) ? '\\x5C' :\n        (c === 0x4E/* N */) ? '\\x85' :\n        (c === 0x5F/* _ */) ? '\\xA0' :\n        (c === 0x4C/* L */) ? '\\u2028' :\n        (c === 0x50/* P */) ? '\\u2029' : '';\n}\n\nfunction charFromCodepoint(c) {\n  if (c <= 0xFFFF) {\n    return String.fromCharCode(c);\n  }\n  // Encode UTF-16 surrogate pair\n  // https://en.wikipedia.org/wiki/UTF-16#Code_points_U.2B010000_to_U.2B10FFFF\n  return String.fromCharCode(\n    ((c - 0x010000) >> 10) + 0xD800,\n    ((c - 0x010000) & 0x03FF) + 0xDC00\n  );\n}\n\n// set a property of a literal object, while protecting against prototype pollution,\n// see https://github.com/nodeca/js-yaml/issues/164 for more details\nfunction setProperty(object, key, value) {\n  // used for this specific key only because Object.defineProperty is slow\n  if (key === '__proto__') {\n    Object.defineProperty(object, key, {\n      configurable: true,\n      enumerable: true,\n      writable: true,\n      value: value\n    });\n  } else {\n    object[key] = value;\n  }\n}\n\nvar simpleEscapeCheck = new Array(256); // integer, for fast access\nvar simpleEscapeMap = new Array(256);\nfor (var i = 0; i < 256; i++) {\n  simpleEscapeCheck[i] = simpleEscapeSequence(i) ? 1 : 0;\n  simpleEscapeMap[i] = simpleEscapeSequence(i);\n}\n\n\nfunction State$1(input, options) {\n  this.input = input;\n\n  this.filename  = options['filename']  || null;\n  this.schema    = options['schema']    || _default;\n  this.onWarning = options['onWarning'] || null;\n  // (Hidden) Remove? makes the loader to expect YAML 1.1 documents\n  // if such documents have no explicit %YAML directive\n  this.legacy    = options['legacy']    || false;\n\n  this.json      = options['json']      || false;\n  this.listener  = options['listener']  || null;\n\n  this.implicitTypes = this.schema.compiledImplicit;\n  this.typeMap       = this.schema.compiledTypeMap;\n\n  this.length     = input.length;\n  this.position   = 0;\n  this.line       = 0;\n  this.lineStart  = 0;\n  this.lineIndent = 0;\n\n  // position of first leading tab in the current line,\n  // used to make sure there are no tabs in the indentation\n  this.firstTabInLine = -1;\n\n  this.documents = [];\n\n  /*\n  this.version;\n  this.checkLineBreaks;\n  this.tagMap;\n  this.anchorMap;\n  this.tag;\n  this.anchor;\n  this.kind;\n  this.result;*/\n\n}\n\n\nfunction generateError(state, message) {\n  var mark = {\n    name:     state.filename,\n    buffer:   state.input.slice(0, -1), // omit trailing \\0\n    position: state.position,\n    line:     state.line,\n    column:   state.position - state.lineStart\n  };\n\n  mark.snippet = snippet(mark);\n\n  return new exception(message, mark);\n}\n\nfunction throwError(state, message) {\n  throw generateError(state, message);\n}\n\nfunction throwWarning(state, message) {\n  if (state.onWarning) {\n    state.onWarning.call(null, generateError(state, message));\n  }\n}\n\n\nvar directiveHandlers = {\n\n  YAML: function handleYamlDirective(state, name, args) {\n\n    var match, major, minor;\n\n    if (state.version !== null) {\n      throwError(state, 'duplication of %YAML directive');\n    }\n\n    if (args.length !== 1) {\n      throwError(state, 'YAML directive accepts exactly one argument');\n    }\n\n    match = /^([0-9]+)\\.([0-9]+)$/.exec(args[0]);\n\n    if (match === null) {\n      throwError(state, 'ill-formed argument of the YAML directive');\n    }\n\n    major = parseInt(match[1], 10);\n    minor = parseInt(match[2], 10);\n\n    if (major !== 1) {\n      throwError(state, 'unacceptable YAML version of the document');\n    }\n\n    state.version = args[0];\n    state.checkLineBreaks = (minor < 2);\n\n    if (minor !== 1 && minor !== 2) {\n      throwWarning(state, 'unsupported YAML version of the document');\n    }\n  },\n\n  TAG: function handleTagDirective(state, name, args) {\n\n    var handle, prefix;\n\n    if (args.length !== 2) {\n      throwError(state, 'TAG directive accepts exactly two arguments');\n    }\n\n    handle = args[0];\n    prefix = args[1];\n\n    if (!PATTERN_TAG_HANDLE.test(handle)) {\n      throwError(state, 'ill-formed tag handle (first argument) of the TAG directive');\n    }\n\n    if (_hasOwnProperty$1.call(state.tagMap, handle)) {\n      throwError(state, 'there is a previously declared suffix for \"' + handle + '\" tag handle');\n    }\n\n    if (!PATTERN_TAG_URI.test(prefix)) {\n      throwError(state, 'ill-formed tag prefix (second argument) of the TAG directive');\n    }\n\n    try {\n      prefix = decodeURIComponent(prefix);\n    } catch (err) {\n      throwError(state, 'tag prefix is malformed: ' + prefix);\n    }\n\n    state.tagMap[handle] = prefix;\n  }\n};\n\n\nfunction captureSegment(state, start, end, checkJson) {\n  var _position, _length, _character, _result;\n\n  if (start < end) {\n    _result = state.input.slice(start, end);\n\n    if (checkJson) {\n      for (_position = 0, _length = _result.length; _position < _length; _position += 1) {\n        _character = _result.charCodeAt(_position);\n        if (!(_character === 0x09 ||\n              (0x20 <= _character && _character <= 0x10FFFF))) {\n          throwError(state, 'expected valid JSON character');\n        }\n      }\n    } else if (PATTERN_NON_PRINTABLE.test(_result)) {\n      throwError(state, 'the stream contains non-printable characters');\n    }\n\n    state.result += _result;\n  }\n}\n\nfunction mergeMappings(state, destination, source, overridableKeys) {\n  var sourceKeys, key, index, quantity;\n\n  if (!common.isObject(source)) {\n    throwError(state, 'cannot merge mappings; the provided source object is unacceptable');\n  }\n\n  sourceKeys = Object.keys(source);\n\n  for (index = 0, quantity = sourceKeys.length; index < quantity; index += 1) {\n    key = sourceKeys[index];\n\n    if (!_hasOwnProperty$1.call(destination, key)) {\n      setProperty(destination, key, source[key]);\n      overridableKeys[key] = true;\n    }\n  }\n}\n\nfunction storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode,\n  startLine, startLineStart, startPos) {\n\n  var index, quantity;\n\n  // The output is a plain object here, so keys can only be strings.\n  // We need to convert keyNode to a string, but doing so can hang the process\n  // (deeply nested arrays that explode exponentially using aliases).\n  if (Array.isArray(keyNode)) {\n    keyNode = Array.prototype.slice.call(keyNode);\n\n    for (index = 0, quantity = keyNode.length; index < quantity; index += 1) {\n      if (Array.isArray(keyNode[index])) {\n        throwError(state, 'nested arrays are not supported inside keys');\n      }\n\n      if (typeof keyNode === 'object' && _class(keyNode[index]) === '[object Object]') {\n        keyNode[index] = '[object Object]';\n      }\n    }\n  }\n\n  // Avoid code execution in load() via toString property\n  // (still use its own toString for arrays, timestamps,\n  // and whatever user schema extensions happen to have @@toStringTag)\n  if (typeof keyNode === 'object' && _class(keyNode) === '[object Object]') {\n    keyNode = '[object Object]';\n  }\n\n\n  keyNode = String(keyNode);\n\n  if (_result === null) {\n    _result = {};\n  }\n\n  if (keyTag === 'tag:yaml.org,2002:merge') {\n    if (Array.isArray(valueNode)) {\n      for (index = 0, quantity = valueNode.length; index < quantity; index += 1) {\n        mergeMappings(state, _result, valueNode[index], overridableKeys);\n      }\n    } else {\n      mergeMappings(state, _result, valueNode, overridableKeys);\n    }\n  } else {\n    if (!state.json &&\n        !_hasOwnProperty$1.call(overridableKeys, keyNode) &&\n        _hasOwnProperty$1.call(_result, keyNode)) {\n      state.line = startLine || state.line;\n      state.lineStart = startLineStart || state.lineStart;\n      state.position = startPos || state.position;\n      throwError(state, 'duplicated mapping key');\n    }\n\n    setProperty(_result, keyNode, valueNode);\n    delete overridableKeys[keyNode];\n  }\n\n  return _result;\n}\n\nfunction readLineBreak(state) {\n  var ch;\n\n  ch = state.input.charCodeAt(state.position);\n\n  if (ch === 0x0A/* LF */) {\n    state.position++;\n  } else if (ch === 0x0D/* CR */) {\n    state.position++;\n    if (state.input.charCodeAt(state.position) === 0x0A/* LF */) {\n      state.position++;\n    }\n  } else {\n    throwError(state, 'a line break is expected');\n  }\n\n  state.line += 1;\n  state.lineStart = state.position;\n  state.firstTabInLine = -1;\n}\n\nfunction skipSeparationSpace(state, allowComments, checkIndent) {\n  var lineBreaks = 0,\n      ch = state.input.charCodeAt(state.position);\n\n  while (ch !== 0) {\n    while (is_WHITE_SPACE(ch)) {\n      if (ch === 0x09/* Tab */ && state.firstTabInLine === -1) {\n        state.firstTabInLine = state.position;\n      }\n      ch = state.input.charCodeAt(++state.position);\n    }\n\n    if (allowComments && ch === 0x23/* # */) {\n      do {\n        ch = state.input.charCodeAt(++state.position);\n      } while (ch !== 0x0A/* LF */ && ch !== 0x0D/* CR */ && ch !== 0);\n    }\n\n    if (is_EOL(ch)) {\n      readLineBreak(state);\n\n      ch = state.input.charCodeAt(state.position);\n      lineBreaks++;\n      state.lineIndent = 0;\n\n      while (ch === 0x20/* Space */) {\n        state.lineIndent++;\n        ch = state.input.charCodeAt(++state.position);\n      }\n    } else {\n      break;\n    }\n  }\n\n  if (checkIndent !== -1 && lineBreaks !== 0 && state.lineIndent < checkIndent) {\n    throwWarning(state, 'deficient indentation');\n  }\n\n  return lineBreaks;\n}\n\nfunction testDocumentSeparator(state) {\n  var _position = state.position,\n      ch;\n\n  ch = state.input.charCodeAt(_position);\n\n  // Condition state.position === state.lineStart is tested\n  // in parent on each call, for efficiency. No needs to test here again.\n  if ((ch === 0x2D/* - */ || ch === 0x2E/* . */) &&\n      ch === state.input.charCodeAt(_position + 1) &&\n      ch === state.input.charCodeAt(_position + 2)) {\n\n    _position += 3;\n\n    ch = state.input.charCodeAt(_position);\n\n    if (ch === 0 || is_WS_OR_EOL(ch)) {\n      return true;\n    }\n  }\n\n  return false;\n}\n\nfunction writeFoldedLines(state, count) {\n  if (count === 1) {\n    state.result += ' ';\n  } else if (count > 1) {\n    state.result += common.repeat('\\n', count - 1);\n  }\n}\n\n\nfunction readPlainScalar(state, nodeIndent, withinFlowCollection) {\n  var preceding,\n      following,\n      captureStart,\n      captureEnd,\n      hasPendingContent,\n      _line,\n      _lineStart,\n      _lineIndent,\n      _kind = state.kind,\n      _result = state.result,\n      ch;\n\n  ch = state.input.charCodeAt(state.position);\n\n  if (is_WS_OR_EOL(ch)      ||\n      is_FLOW_INDICATOR(ch) ||\n      ch === 0x23/* # */    ||\n      ch === 0x26/* & */    ||\n      ch === 0x2A/* * */    ||\n      ch === 0x21/* ! */    ||\n      ch === 0x7C/* | */    ||\n      ch === 0x3E/* > */    ||\n      ch === 0x27/* ' */    ||\n      ch === 0x22/* \" */    ||\n      ch === 0x25/* % */    ||\n      ch === 0x40/* @ */    ||\n      ch === 0x60/* ` */) {\n    return false;\n  }\n\n  if (ch === 0x3F/* ? */ || ch === 0x2D/* - */) {\n    following = state.input.charCodeAt(state.position + 1);\n\n    if (is_WS_OR_EOL(following) ||\n        withinFlowCollection && is_FLOW_INDICATOR(following)) {\n      return false;\n    }\n  }\n\n  state.kind = 'scalar';\n  state.result = '';\n  captureStart = captureEnd = state.position;\n  hasPendingContent = false;\n\n  while (ch !== 0) {\n    if (ch === 0x3A/* : */) {\n      following = state.input.charCodeAt(state.position + 1);\n\n      if (is_WS_OR_EOL(following) ||\n          withinFlowCollection && is_FLOW_INDICATOR(following)) {\n        break;\n      }\n\n    } else if (ch === 0x23/* # */) {\n      preceding = state.input.charCodeAt(state.position - 1);\n\n      if (is_WS_OR_EOL(preceding)) {\n        break;\n      }\n\n    } else if ((state.position === state.lineStart && testDocumentSeparator(state)) ||\n               withinFlowCollection && is_FLOW_INDICATOR(ch)) {\n      break;\n\n    } else if (is_EOL(ch)) {\n      _line = state.line;\n      _lineStart = state.lineStart;\n      _lineIndent = state.lineIndent;\n      skipSeparationSpace(state, false, -1);\n\n      if (state.lineIndent >= nodeIndent) {\n        hasPendingContent = true;\n        ch = state.input.charCodeAt(state.position);\n        continue;\n      } else {\n        state.position = captureEnd;\n        state.line = _line;\n        state.lineStart = _lineStart;\n        state.lineIndent = _lineIndent;\n        break;\n      }\n    }\n\n    if (hasPendingContent) {\n      captureSegment(state, captureStart, captureEnd, false);\n      writeFoldedLines(state, state.line - _line);\n      captureStart = captureEnd = state.position;\n      hasPendingContent = false;\n    }\n\n    if (!is_WHITE_SPACE(ch)) {\n      captureEnd = state.position + 1;\n    }\n\n    ch = state.input.charCodeAt(++state.position);\n  }\n\n  captureSegment(state, captureStart, captureEnd, false);\n\n  if (state.result) {\n    return true;\n  }\n\n  state.kind = _kind;\n  state.result = _result;\n  return false;\n}\n\nfunction readSingleQuotedScalar(state, nodeIndent) {\n  var ch,\n      captureStart, captureEnd;\n\n  ch = state.input.charCodeAt(state.position);\n\n  if (ch !== 0x27/* ' */) {\n    return false;\n  }\n\n  state.kind = 'scalar';\n  state.result = '';\n  state.position++;\n  captureStart = captureEnd = state.position;\n\n  while ((ch = state.input.charCodeAt(state.position)) !== 0) {\n    if (ch === 0x27/* ' */) {\n      captureSegment(state, captureStart, state.position, true);\n      ch = state.input.charCodeAt(++state.position);\n\n      if (ch === 0x27/* ' */) {\n        captureStart = state.position;\n        state.position++;\n        captureEnd = state.position;\n      } else {\n        return true;\n      }\n\n    } else if (is_EOL(ch)) {\n      captureSegment(state, captureStart, captureEnd, true);\n      writeFoldedLines(state, skipSeparationSpace(state, false, nodeIndent));\n      captureStart = captureEnd = state.position;\n\n    } else if (state.position === state.lineStart && testDocumentSeparator(state)) {\n      throwError(state, 'unexpected end of the document within a single quoted scalar');\n\n    } else {\n      state.position++;\n      captureEnd = state.position;\n    }\n  }\n\n  throwError(state, 'unexpected end of the stream within a single quoted scalar');\n}\n\nfunction readDoubleQuotedScalar(state, nodeIndent) {\n  var captureStart,\n      captureEnd,\n      hexLength,\n      hexResult,\n      tmp,\n      ch;\n\n  ch = state.input.charCodeAt(state.position);\n\n  if (ch !== 0x22/* \" */) {\n    return false;\n  }\n\n  state.kind = 'scalar';\n  state.result = '';\n  state.position++;\n  captureStart = captureEnd = state.position;\n\n  while ((ch = state.input.charCodeAt(state.position)) !== 0) {\n    if (ch === 0x22/* \" */) {\n      captureSegment(state, captureStart, state.position, true);\n      state.position++;\n      return true;\n\n    } else if (ch === 0x5C/* \\ */) {\n      captureSegment(state, captureStart, state.position, true);\n      ch = state.input.charCodeAt(++state.position);\n\n      if (is_EOL(ch)) {\n        skipSeparationSpace(state, false, nodeIndent);\n\n        // TODO: rework to inline fn with no type cast?\n      } else if (ch < 256 && simpleEscapeCheck[ch]) {\n        state.result += simpleEscapeMap[ch];\n        state.position++;\n\n      } else if ((tmp = escapedHexLen(ch)) > 0) {\n        hexLength = tmp;\n        hexResult = 0;\n\n        for (; hexLength > 0; hexLength--) {\n          ch = state.input.charCodeAt(++state.position);\n\n          if ((tmp = fromHexCode(ch)) >= 0) {\n            hexResult = (hexResult << 4) + tmp;\n\n          } else {\n            throwError(state, 'expected hexadecimal character');\n          }\n        }\n\n        state.result += charFromCodepoint(hexResult);\n\n        state.position++;\n\n      } else {\n        throwError(state, 'unknown escape sequence');\n      }\n\n      captureStart = captureEnd = state.position;\n\n    } else if (is_EOL(ch)) {\n      captureSegment(state, captureStart, captureEnd, true);\n      writeFoldedLines(state, skipSeparationSpace(state, false, nodeIndent));\n      captureStart = captureEnd = state.position;\n\n    } else if (state.position === state.lineStart && testDocumentSeparator(state)) {\n      throwError(state, 'unexpected end of the document within a double quoted scalar');\n\n    } else {\n      state.position++;\n      captureEnd = state.position;\n    }\n  }\n\n  throwError(state, 'unexpected end of the stream within a double quoted scalar');\n}\n\nfunction readFlowCollection(state, nodeIndent) {\n  var readNext = true,\n      _line,\n      _lineStart,\n      _pos,\n      _tag     = state.tag,\n      _result,\n      _anchor  = state.anchor,\n      following,\n      terminator,\n      isPair,\n      isExplicitPair,\n      isMapping,\n      overridableKeys = Object.create(null),\n      keyNode,\n      keyTag,\n      valueNode,\n      ch;\n\n  ch = state.input.charCodeAt(state.position);\n\n  if (ch === 0x5B/* [ */) {\n    terminator = 0x5D;/* ] */\n    isMapping = false;\n    _result = [];\n  } else if (ch === 0x7B/* { */) {\n    terminator = 0x7D;/* } */\n    isMapping = true;\n    _result = {};\n  } else {\n    return false;\n  }\n\n  if (state.anchor !== null) {\n    state.anchorMap[state.anchor] = _result;\n  }\n\n  ch = state.input.charCodeAt(++state.position);\n\n  while (ch !== 0) {\n    skipSeparationSpace(state, true, nodeIndent);\n\n    ch = state.input.charCodeAt(state.position);\n\n    if (ch === terminator) {\n      state.position++;\n      state.tag = _tag;\n      state.anchor = _anchor;\n      state.kind = isMapping ? 'mapping' : 'sequence';\n      state.result = _result;\n      return true;\n    } else if (!readNext) {\n      throwError(state, 'missed comma between flow collection entries');\n    } else if (ch === 0x2C/* , */) {\n      // \"flow collection entries can never be completely empty\", as per YAML 1.2, section 7.4\n      throwError(state, \"expected the node content, but found ','\");\n    }\n\n    keyTag = keyNode = valueNode = null;\n    isPair = isExplicitPair = false;\n\n    if (ch === 0x3F/* ? */) {\n      following = state.input.charCodeAt(state.position + 1);\n\n      if (is_WS_OR_EOL(following)) {\n        isPair = isExplicitPair = true;\n        state.position++;\n        skipSeparationSpace(state, true, nodeIndent);\n      }\n    }\n\n    _line = state.line; // Save the current line.\n    _lineStart = state.lineStart;\n    _pos = state.position;\n    composeNode(state, nodeIndent, CONTEXT_FLOW_IN, false, true);\n    keyTag = state.tag;\n    keyNode = state.result;\n    skipSeparationSpace(state, true, nodeIndent);\n\n    ch = state.input.charCodeAt(state.position);\n\n    if ((isExplicitPair || state.line === _line) && ch === 0x3A/* : */) {\n      isPair = true;\n      ch = state.input.charCodeAt(++state.position);\n      skipSeparationSpace(state, true, nodeIndent);\n      composeNode(state, nodeIndent, CONTEXT_FLOW_IN, false, true);\n      valueNode = state.result;\n    }\n\n    if (isMapping) {\n      storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, _line, _lineStart, _pos);\n    } else if (isPair) {\n      _result.push(storeMappingPair(state, null, overridableKeys, keyTag, keyNode, valueNode, _line, _lineStart, _pos));\n    } else {\n      _result.push(keyNode);\n    }\n\n    skipSeparationSpace(state, true, nodeIndent);\n\n    ch = state.input.charCodeAt(state.position);\n\n    if (ch === 0x2C/* , */) {\n      readNext = true;\n      ch = state.input.charCodeAt(++state.position);\n    } else {\n      readNext = false;\n    }\n  }\n\n  throwError(state, 'unexpected end of the stream within a flow collection');\n}\n\nfunction readBlockScalar(state, nodeIndent) {\n  var captureStart,\n      folding,\n      chomping       = CHOMPING_CLIP,\n      didReadContent = false,\n      detectedIndent = false,\n      textIndent     = nodeIndent,\n      emptyLines     = 0,\n      atMoreIndented = false,\n      tmp,\n      ch;\n\n  ch = state.input.charCodeAt(state.position);\n\n  if (ch === 0x7C/* | */) {\n    folding = false;\n  } else if (ch === 0x3E/* > */) {\n    folding = true;\n  } else {\n    return false;\n  }\n\n  state.kind = 'scalar';\n  state.result = '';\n\n  while (ch !== 0) {\n    ch = state.input.charCodeAt(++state.position);\n\n    if (ch === 0x2B/* + */ || ch === 0x2D/* - */) {\n      if (CHOMPING_CLIP === chomping) {\n        chomping = (ch === 0x2B/* + */) ? CHOMPING_KEEP : CHOMPING_STRIP;\n      } else {\n        throwError(state, 'repeat of a chomping mode identifier');\n      }\n\n    } else if ((tmp = fromDecimalCode(ch)) >= 0) {\n      if (tmp === 0) {\n        throwError(state, 'bad explicit indentation width of a block scalar; it cannot be less than one');\n      } else if (!detectedIndent) {\n        textIndent = nodeIndent + tmp - 1;\n        detectedIndent = true;\n      } else {\n        throwError(state, 'repeat of an indentation width identifier');\n      }\n\n    } else {\n      break;\n    }\n  }\n\n  if (is_WHITE_SPACE(ch)) {\n    do { ch = state.input.charCodeAt(++state.position); }\n    while (is_WHITE_SPACE(ch));\n\n    if (ch === 0x23/* # */) {\n      do { ch = state.input.charCodeAt(++state.position); }\n      while (!is_EOL(ch) && (ch !== 0));\n    }\n  }\n\n  while (ch !== 0) {\n    readLineBreak(state);\n    state.lineIndent = 0;\n\n    ch = state.input.charCodeAt(state.position);\n\n    while ((!detectedIndent || state.lineIndent < textIndent) &&\n           (ch === 0x20/* Space */)) {\n      state.lineIndent++;\n      ch = state.input.charCodeAt(++state.position);\n    }\n\n    if (!detectedIndent && state.lineIndent > textIndent) {\n      textIndent = state.lineIndent;\n    }\n\n    if (is_EOL(ch)) {\n      emptyLines++;\n      continue;\n    }\n\n    // End of the scalar.\n    if (state.lineIndent < textIndent) {\n\n      // Perform the chomping.\n      if (chomping === CHOMPING_KEEP) {\n        state.result += common.repeat('\\n', didReadContent ? 1 + emptyLines : emptyLines);\n      } else if (chomping === CHOMPING_CLIP) {\n        if (didReadContent) { // i.e. only if the scalar is not empty.\n          state.result += '\\n';\n        }\n      }\n\n      // Break this `while` cycle and go to the funciton's epilogue.\n      break;\n    }\n\n    // Folded style: use fancy rules to handle line breaks.\n    if (folding) {\n\n      // Lines starting with white space characters (more-indented lines) are not folded.\n      if (is_WHITE_SPACE(ch)) {\n        atMoreIndented = true;\n        // except for the first content line (cf. Example 8.1)\n        state.result += common.repeat('\\n', didReadContent ? 1 + emptyLines : emptyLines);\n\n      // End of more-indented block.\n      } else if (atMoreIndented) {\n        atMoreIndented = false;\n        state.result += common.repeat('\\n', emptyLines + 1);\n\n      // Just one line break - perceive as the same line.\n      } else if (emptyLines === 0) {\n        if (didReadContent) { // i.e. only if we have already read some scalar content.\n          state.result += ' ';\n        }\n\n      // Several line breaks - perceive as different lines.\n      } else {\n        state.result += common.repeat('\\n', emptyLines);\n      }\n\n    // Literal style: just add exact number of line breaks between content lines.\n    } else {\n      // Keep all line breaks except the header line break.\n      state.result += common.repeat('\\n', didReadContent ? 1 + emptyLines : emptyLines);\n    }\n\n    didReadContent = true;\n    detectedIndent = true;\n    emptyLines = 0;\n    captureStart = state.position;\n\n    while (!is_EOL(ch) && (ch !== 0)) {\n      ch = state.input.charCodeAt(++state.position);\n    }\n\n    captureSegment(state, captureStart, state.position, false);\n  }\n\n  return true;\n}\n\nfunction readBlockSequence(state, nodeIndent) {\n  var _line,\n      _tag      = state.tag,\n      _anchor   = state.anchor,\n      _result   = [],\n      following,\n      detected  = false,\n      ch;\n\n  // there is a leading tab before this token, so it can't be a block sequence/mapping;\n  // it can still be flow sequence/mapping or a scalar\n  if (state.firstTabInLine !== -1) return false;\n\n  if (state.anchor !== null) {\n    state.anchorMap[state.anchor] = _result;\n  }\n\n  ch = state.input.charCodeAt(state.position);\n\n  while (ch !== 0) {\n    if (state.firstTabInLine !== -1) {\n      state.position = state.firstTabInLine;\n      throwError(state, 'tab characters must not be used in indentation');\n    }\n\n    if (ch !== 0x2D/* - */) {\n      break;\n    }\n\n    following = state.input.charCodeAt(state.position + 1);\n\n    if (!is_WS_OR_EOL(following)) {\n      break;\n    }\n\n    detected = true;\n    state.position++;\n\n    if (skipSeparationSpace(state, true, -1)) {\n      if (state.lineIndent <= nodeIndent) {\n        _result.push(null);\n        ch = state.input.charCodeAt(state.position);\n        continue;\n      }\n    }\n\n    _line = state.line;\n    composeNode(state, nodeIndent, CONTEXT_BLOCK_IN, false, true);\n    _result.push(state.result);\n    skipSeparationSpace(state, true, -1);\n\n    ch = state.input.charCodeAt(state.position);\n\n    if ((state.line === _line || state.lineIndent > nodeIndent) && (ch !== 0)) {\n      throwError(state, 'bad indentation of a sequence entry');\n    } else if (state.lineIndent < nodeIndent) {\n      break;\n    }\n  }\n\n  if (detected) {\n    state.tag = _tag;\n    state.anchor = _anchor;\n    state.kind = 'sequence';\n    state.result = _result;\n    return true;\n  }\n  return false;\n}\n\nfunction readBlockMapping(state, nodeIndent, flowIndent) {\n  var following,\n      allowCompact,\n      _line,\n      _keyLine,\n      _keyLineStart,\n      _keyPos,\n      _tag          = state.tag,\n      _anchor       = state.anchor,\n      _result       = {},\n      overridableKeys = Object.create(null),\n      keyTag        = null,\n      keyNode       = null,\n      valueNode     = null,\n      atExplicitKey = false,\n      detected      = false,\n      ch;\n\n  // there is a leading tab before this token, so it can't be a block sequence/mapping;\n  // it can still be flow sequence/mapping or a scalar\n  if (state.firstTabInLine !== -1) return false;\n\n  if (state.anchor !== null) {\n    state.anchorMap[state.anchor] = _result;\n  }\n\n  ch = state.input.charCodeAt(state.position);\n\n  while (ch !== 0) {\n    if (!atExplicitKey && state.firstTabInLine !== -1) {\n      state.position = state.firstTabInLine;\n      throwError(state, 'tab characters must not be used in indentation');\n    }\n\n    following = state.input.charCodeAt(state.position + 1);\n    _line = state.line; // Save the current line.\n\n    //\n    // Explicit notation case. There are two separate blocks:\n    // first for the key (denoted by \"?\") and second for the value (denoted by \":\")\n    //\n    if ((ch === 0x3F/* ? */ || ch === 0x3A/* : */) && is_WS_OR_EOL(following)) {\n\n      if (ch === 0x3F/* ? */) {\n        if (atExplicitKey) {\n          storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null, _keyLine, _keyLineStart, _keyPos);\n          keyTag = keyNode = valueNode = null;\n        }\n\n        detected = true;\n        atExplicitKey = true;\n        allowCompact = true;\n\n      } else if (atExplicitKey) {\n        // i.e. 0x3A/* : */ === character after the explicit key.\n        atExplicitKey = false;\n        allowCompact = true;\n\n      } else {\n        throwError(state, 'incomplete explicit mapping pair; a key node is missed; or followed by a non-tabulated empty line');\n      }\n\n      state.position += 1;\n      ch = following;\n\n    //\n    // Implicit notation case. Flow-style node as the key first, then \":\", and the value.\n    //\n    } else {\n      _keyLine = state.line;\n      _keyLineStart = state.lineStart;\n      _keyPos = state.position;\n\n      if (!composeNode(state, flowIndent, CONTEXT_FLOW_OUT, false, true)) {\n        // Neither implicit nor explicit notation.\n        // Reading is done. Go to the epilogue.\n        break;\n      }\n\n      if (state.line === _line) {\n        ch = state.input.charCodeAt(state.position);\n\n        while (is_WHITE_SPACE(ch)) {\n          ch = state.input.charCodeAt(++state.position);\n        }\n\n        if (ch === 0x3A/* : */) {\n          ch = state.input.charCodeAt(++state.position);\n\n          if (!is_WS_OR_EOL(ch)) {\n            throwError(state, 'a whitespace character is expected after the key-value separator within a block mapping');\n          }\n\n          if (atExplicitKey) {\n            storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null, _keyLine, _keyLineStart, _keyPos);\n            keyTag = keyNode = valueNode = null;\n          }\n\n          detected = true;\n          atExplicitKey = false;\n          allowCompact = false;\n          keyTag = state.tag;\n          keyNode = state.result;\n\n        } else if (detected) {\n          throwError(state, 'can not read an implicit mapping pair; a colon is missed');\n\n        } else {\n          state.tag = _tag;\n          state.anchor = _anchor;\n          return true; // Keep the result of `composeNode`.\n        }\n\n      } else if (detected) {\n        throwError(state, 'can not read a block mapping entry; a multiline key may not be an implicit key');\n\n      } else {\n        state.tag = _tag;\n        state.anchor = _anchor;\n        return true; // Keep the result of `composeNode`.\n      }\n    }\n\n    //\n    // Common reading code for both explicit and implicit notations.\n    //\n    if (state.line === _line || state.lineIndent > nodeIndent) {\n      if (atExplicitKey) {\n        _keyLine = state.line;\n        _keyLineStart = state.lineStart;\n        _keyPos = state.position;\n      }\n\n      if (composeNode(state, nodeIndent, CONTEXT_BLOCK_OUT, true, allowCompact)) {\n        if (atExplicitKey) {\n          keyNode = state.result;\n        } else {\n          valueNode = state.result;\n        }\n      }\n\n      if (!atExplicitKey) {\n        storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, _keyLine, _keyLineStart, _keyPos);\n        keyTag = keyNode = valueNode = null;\n      }\n\n      skipSeparationSpace(state, true, -1);\n      ch = state.input.charCodeAt(state.position);\n    }\n\n    if ((state.line === _line || state.lineIndent > nodeIndent) && (ch !== 0)) {\n      throwError(state, 'bad indentation of a mapping entry');\n    } else if (state.lineIndent < nodeIndent) {\n      break;\n    }\n  }\n\n  //\n  // Epilogue.\n  //\n\n  // Special case: last mapping's node contains only the key in explicit notation.\n  if (atExplicitKey) {\n    storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null, _keyLine, _keyLineStart, _keyPos);\n  }\n\n  // Expose the resulting mapping.\n  if (detected) {\n    state.tag = _tag;\n    state.anchor = _anchor;\n    state.kind = 'mapping';\n    state.result = _result;\n  }\n\n  return detected;\n}\n\nfunction readTagProperty(state) {\n  var _position,\n      isVerbatim = false,\n      isNamed    = false,\n      tagHandle,\n      tagName,\n      ch;\n\n  ch = state.input.charCodeAt(state.position);\n\n  if (ch !== 0x21/* ! */) return false;\n\n  if (state.tag !== null) {\n    throwError(state, 'duplication of a tag property');\n  }\n\n  ch = state.input.charCodeAt(++state.position);\n\n  if (ch === 0x3C/* < */) {\n    isVerbatim = true;\n    ch = state.input.charCodeAt(++state.position);\n\n  } else if (ch === 0x21/* ! */) {\n    isNamed = true;\n    tagHandle = '!!';\n    ch = state.input.charCodeAt(++state.position);\n\n  } else {\n    tagHandle = '!';\n  }\n\n  _position = state.position;\n\n  if (isVerbatim) {\n    do { ch = state.input.charCodeAt(++state.position); }\n    while (ch !== 0 && ch !== 0x3E/* > */);\n\n    if (state.position < state.length) {\n      tagName = state.input.slice(_position, state.position);\n      ch = state.input.charCodeAt(++state.position);\n    } else {\n      throwError(state, 'unexpected end of the stream within a verbatim tag');\n    }\n  } else {\n    while (ch !== 0 && !is_WS_OR_EOL(ch)) {\n\n      if (ch === 0x21/* ! */) {\n        if (!isNamed) {\n          tagHandle = state.input.slice(_position - 1, state.position + 1);\n\n          if (!PATTERN_TAG_HANDLE.test(tagHandle)) {\n            throwError(state, 'named tag handle cannot contain such characters');\n          }\n\n          isNamed = true;\n          _position = state.position + 1;\n        } else {\n          throwError(state, 'tag suffix cannot contain exclamation marks');\n        }\n      }\n\n      ch = state.input.charCodeAt(++state.position);\n    }\n\n    tagName = state.input.slice(_position, state.position);\n\n    if (PATTERN_FLOW_INDICATORS.test(tagName)) {\n      throwError(state, 'tag suffix cannot contain flow indicator characters');\n    }\n  }\n\n  if (tagName && !PATTERN_TAG_URI.test(tagName)) {\n    throwError(state, 'tag name cannot contain such characters: ' + tagName);\n  }\n\n  try {\n    tagName = decodeURIComponent(tagName);\n  } catch (err) {\n    throwError(state, 'tag name is malformed: ' + tagName);\n  }\n\n  if (isVerbatim) {\n    state.tag = tagName;\n\n  } else if (_hasOwnProperty$1.call(state.tagMap, tagHandle)) {\n    state.tag = state.tagMap[tagHandle] + tagName;\n\n  } else if (tagHandle === '!') {\n    state.tag = '!' + tagName;\n\n  } else if (tagHandle === '!!') {\n    state.tag = 'tag:yaml.org,2002:' + tagName;\n\n  } else {\n    throwError(state, 'undeclared tag handle \"' + tagHandle + '\"');\n  }\n\n  return true;\n}\n\nfunction readAnchorProperty(state) {\n  var _position,\n      ch;\n\n  ch = state.input.charCodeAt(state.position);\n\n  if (ch !== 0x26/* & */) return false;\n\n  if (state.anchor !== null) {\n    throwError(state, 'duplication of an anchor property');\n  }\n\n  ch = state.input.charCodeAt(++state.position);\n  _position = state.position;\n\n  while (ch !== 0 && !is_WS_OR_EOL(ch) && !is_FLOW_INDICATOR(ch)) {\n    ch = state.input.charCodeAt(++state.position);\n  }\n\n  if (state.position === _position) {\n    throwError(state, 'name of an anchor node must contain at least one character');\n  }\n\n  state.anchor = state.input.slice(_position, state.position);\n  return true;\n}\n\nfunction readAlias(state) {\n  var _position, alias,\n      ch;\n\n  ch = state.input.charCodeAt(state.position);\n\n  if (ch !== 0x2A/* * */) return false;\n\n  ch = state.input.charCodeAt(++state.position);\n  _position = state.position;\n\n  while (ch !== 0 && !is_WS_OR_EOL(ch) && !is_FLOW_INDICATOR(ch)) {\n    ch = state.input.charCodeAt(++state.position);\n  }\n\n  if (state.position === _position) {\n    throwError(state, 'name of an alias node must contain at least one character');\n  }\n\n  alias = state.input.slice(_position, state.position);\n\n  if (!_hasOwnProperty$1.call(state.anchorMap, alias)) {\n    throwError(state, 'unidentified alias \"' + alias + '\"');\n  }\n\n  state.result = state.anchorMap[alias];\n  skipSeparationSpace(state, true, -1);\n  return true;\n}\n\nfunction composeNode(state, parentIndent, nodeContext, allowToSeek, allowCompact) {\n  var allowBlockStyles,\n      allowBlockScalars,\n      allowBlockCollections,\n      indentStatus = 1, // 1: this>parent, 0: this=parent, -1: this<parent\n      atNewLine  = false,\n      hasContent = false,\n      typeIndex,\n      typeQuantity,\n      typeList,\n      type,\n      flowIndent,\n      blockIndent;\n\n  if (state.listener !== null) {\n    state.listener('open', state);\n  }\n\n  state.tag    = null;\n  state.anchor = null;\n  state.kind   = null;\n  state.result = null;\n\n  allowBlockStyles = allowBlockScalars = allowBlockCollections =\n    CONTEXT_BLOCK_OUT === nodeContext ||\n    CONTEXT_BLOCK_IN  === nodeContext;\n\n  if (allowToSeek) {\n    if (skipSeparationSpace(state, true, -1)) {\n      atNewLine = true;\n\n      if (state.lineIndent > parentIndent) {\n        indentStatus = 1;\n      } else if (state.lineIndent === parentIndent) {\n        indentStatus = 0;\n      } else if (state.lineIndent < parentIndent) {\n        indentStatus = -1;\n      }\n    }\n  }\n\n  if (indentStatus === 1) {\n    while (readTagProperty(state) || readAnchorProperty(state)) {\n      if (skipSeparationSpace(state, true, -1)) {\n        atNewLine = true;\n        allowBlockCollections = allowBlockStyles;\n\n        if (state.lineIndent > parentIndent) {\n          indentStatus = 1;\n        } else if (state.lineIndent === parentIndent) {\n          indentStatus = 0;\n        } else if (state.lineIndent < parentIndent) {\n          indentStatus = -1;\n        }\n      } else {\n        allowBlockCollections = false;\n      }\n    }\n  }\n\n  if (allowBlockCollections) {\n    allowBlockCollections = atNewLine || allowCompact;\n  }\n\n  if (indentStatus === 1 || CONTEXT_BLOCK_OUT === nodeContext) {\n    if (CONTEXT_FLOW_IN === nodeContext || CONTEXT_FLOW_OUT === nodeContext) {\n      flowIndent = parentIndent;\n    } else {\n      flowIndent = parentIndent + 1;\n    }\n\n    blockIndent = state.position - state.lineStart;\n\n    if (indentStatus === 1) {\n      if (allowBlockCollections &&\n          (readBlockSequence(state, blockIndent) ||\n           readBlockMapping(state, blockIndent, flowIndent)) ||\n          readFlowCollection(state, flowIndent)) {\n        hasContent = true;\n      } else {\n        if ((allowBlockScalars && readBlockScalar(state, flowIndent)) ||\n            readSingleQuotedScalar(state, flowIndent) ||\n            readDoubleQuotedScalar(state, flowIndent)) {\n          hasContent = true;\n\n        } else if (readAlias(state)) {\n          hasContent = true;\n\n          if (state.tag !== null || state.anchor !== null) {\n            throwError(state, 'alias node should not have any properties');\n          }\n\n        } else if (readPlainScalar(state, flowIndent, CONTEXT_FLOW_IN === nodeContext)) {\n          hasContent = true;\n\n          if (state.tag === null) {\n            state.tag = '?';\n          }\n        }\n\n        if (state.anchor !== null) {\n          state.anchorMap[state.anchor] = state.result;\n        }\n      }\n    } else if (indentStatus === 0) {\n      // Special case: block sequences are allowed to have same indentation level as the parent.\n      // http://www.yaml.org/spec/1.2/spec.html#id2799784\n      hasContent = allowBlockCollections && readBlockSequence(state, blockIndent);\n    }\n  }\n\n  if (state.tag === null) {\n    if (state.anchor !== null) {\n      state.anchorMap[state.anchor] = state.result;\n    }\n\n  } else if (state.tag === '?') {\n    // Implicit resolving is not allowed for non-scalar types, and '?'\n    // non-specific tag is only automatically assigned to plain scalars.\n    //\n    // We only need to check kind conformity in case user explicitly assigns '?'\n    // tag, for example like this: \"!<?> [0]\"\n    //\n    if (state.result !== null && state.kind !== 'scalar') {\n      throwError(state, 'unacceptable node kind for !<?> tag; it should be \"scalar\", not \"' + state.kind + '\"');\n    }\n\n    for (typeIndex = 0, typeQuantity = state.implicitTypes.length; typeIndex < typeQuantity; typeIndex += 1) {\n      type = state.implicitTypes[typeIndex];\n\n      if (type.resolve(state.result)) { // `state.result` updated in resolver if matched\n        state.result = type.construct(state.result);\n        state.tag = type.tag;\n        if (state.anchor !== null) {\n          state.anchorMap[state.anchor] = state.result;\n        }\n        break;\n      }\n    }\n  } else if (state.tag !== '!') {\n    if (_hasOwnProperty$1.call(state.typeMap[state.kind || 'fallback'], state.tag)) {\n      type = state.typeMap[state.kind || 'fallback'][state.tag];\n    } else {\n      // looking for multi type\n      type = null;\n      typeList = state.typeMap.multi[state.kind || 'fallback'];\n\n      for (typeIndex = 0, typeQuantity = typeList.length; typeIndex < typeQuantity; typeIndex += 1) {\n        if (state.tag.slice(0, typeList[typeIndex].tag.length) === typeList[typeIndex].tag) {\n          type = typeList[typeIndex];\n          break;\n        }\n      }\n    }\n\n    if (!type) {\n      throwError(state, 'unknown tag !<' + state.tag + '>');\n    }\n\n    if (state.result !== null && type.kind !== state.kind) {\n      throwError(state, 'unacceptable node kind for !<' + state.tag + '> tag; it should be \"' + type.kind + '\", not \"' + state.kind + '\"');\n    }\n\n    if (!type.resolve(state.result, state.tag)) { // `state.result` updated in resolver if matched\n      throwError(state, 'cannot resolve a node with !<' + state.tag + '> explicit tag');\n    } else {\n      state.result = type.construct(state.result, state.tag);\n      if (state.anchor !== null) {\n        state.anchorMap[state.anchor] = state.result;\n      }\n    }\n  }\n\n  if (state.listener !== null) {\n    state.listener('close', state);\n  }\n  return state.tag !== null ||  state.anchor !== null || hasContent;\n}\n\nfunction readDocument(state) {\n  var documentStart = state.position,\n      _position,\n      directiveName,\n      directiveArgs,\n      hasDirectives = false,\n      ch;\n\n  state.version = null;\n  state.checkLineBreaks = state.legacy;\n  state.tagMap = Object.create(null);\n  state.anchorMap = Object.create(null);\n\n  while ((ch = state.input.charCodeAt(state.position)) !== 0) {\n    skipSeparationSpace(state, true, -1);\n\n    ch = state.input.charCodeAt(state.position);\n\n    if (state.lineIndent > 0 || ch !== 0x25/* % */) {\n      break;\n    }\n\n    hasDirectives = true;\n    ch = state.input.charCodeAt(++state.position);\n    _position = state.position;\n\n    while (ch !== 0 && !is_WS_OR_EOL(ch)) {\n      ch = state.input.charCodeAt(++state.position);\n    }\n\n    directiveName = state.input.slice(_position, state.position);\n    directiveArgs = [];\n\n    if (directiveName.length < 1) {\n      throwError(state, 'directive name must not be less than one character in length');\n    }\n\n    while (ch !== 0) {\n      while (is_WHITE_SPACE(ch)) {\n        ch = state.input.charCodeAt(++state.position);\n      }\n\n      if (ch === 0x23/* # */) {\n        do { ch = state.input.charCodeAt(++state.position); }\n        while (ch !== 0 && !is_EOL(ch));\n        break;\n      }\n\n      if (is_EOL(ch)) break;\n\n      _position = state.position;\n\n      while (ch !== 0 && !is_WS_OR_EOL(ch)) {\n        ch = state.input.charCodeAt(++state.position);\n      }\n\n      directiveArgs.push(state.input.slice(_position, state.position));\n    }\n\n    if (ch !== 0) readLineBreak(state);\n\n    if (_hasOwnProperty$1.call(directiveHandlers, directiveName)) {\n      directiveHandlers[directiveName](state, directiveName, directiveArgs);\n    } else {\n      throwWarning(state, 'unknown document directive \"' + directiveName + '\"');\n    }\n  }\n\n  skipSeparationSpace(state, true, -1);\n\n  if (state.lineIndent === 0 &&\n      state.input.charCodeAt(state.position)     === 0x2D/* - */ &&\n      state.input.charCodeAt(state.position + 1) === 0x2D/* - */ &&\n      state.input.charCodeAt(state.position + 2) === 0x2D/* - */) {\n    state.position += 3;\n    skipSeparationSpace(state, true, -1);\n\n  } else if (hasDirectives) {\n    throwError(state, 'directives end mark is expected');\n  }\n\n  composeNode(state, state.lineIndent - 1, CONTEXT_BLOCK_OUT, false, true);\n  skipSeparationSpace(state, true, -1);\n\n  if (state.checkLineBreaks &&\n      PATTERN_NON_ASCII_LINE_BREAKS.test(state.input.slice(documentStart, state.position))) {\n    throwWarning(state, 'non-ASCII line breaks are interpreted as content');\n  }\n\n  state.documents.push(state.result);\n\n  if (state.position === state.lineStart && testDocumentSeparator(state)) {\n\n    if (state.input.charCodeAt(state.position) === 0x2E/* . */) {\n      state.position += 3;\n      skipSeparationSpace(state, true, -1);\n    }\n    return;\n  }\n\n  if (state.position < (state.length - 1)) {\n    throwError(state, 'end of the stream or a document separator is expected');\n  } else {\n    return;\n  }\n}\n\n\nfunction loadDocuments(input, options) {\n  input = String(input);\n  options = options || {};\n\n  if (input.length !== 0) {\n\n    // Add tailing `\\n` if not exists\n    if (input.charCodeAt(input.length - 1) !== 0x0A/* LF */ &&\n        input.charCodeAt(input.length - 1) !== 0x0D/* CR */) {\n      input += '\\n';\n    }\n\n    // Strip BOM\n    if (input.charCodeAt(0) === 0xFEFF) {\n      input = input.slice(1);\n    }\n  }\n\n  var state = new State$1(input, options);\n\n  var nullpos = input.indexOf('\\0');\n\n  if (nullpos !== -1) {\n    state.position = nullpos;\n    throwError(state, 'null byte is not allowed in input');\n  }\n\n  // Use 0 as string terminator. That significantly simplifies bounds check.\n  state.input += '\\0';\n\n  while (state.input.charCodeAt(state.position) === 0x20/* Space */) {\n    state.lineIndent += 1;\n    state.position += 1;\n  }\n\n  while (state.position < (state.length - 1)) {\n    readDocument(state);\n  }\n\n  return state.documents;\n}\n\n\nfunction loadAll$1(input, iterator, options) {\n  if (iterator !== null && typeof iterator === 'object' && typeof options === 'undefined') {\n    options = iterator;\n    iterator = null;\n  }\n\n  var documents = loadDocuments(input, options);\n\n  if (typeof iterator !== 'function') {\n    return documents;\n  }\n\n  for (var index = 0, length = documents.length; index < length; index += 1) {\n    iterator(documents[index]);\n  }\n}\n\n\nfunction load$1(input, options) {\n  var documents = loadDocuments(input, options);\n\n  if (documents.length === 0) {\n    /*eslint-disable no-undefined*/\n    return undefined;\n  } else if (documents.length === 1) {\n    return documents[0];\n  }\n  throw new exception('expected a single document in the stream, but found more');\n}\n\n\nvar loadAll_1 = loadAll$1;\nvar load_1    = load$1;\n\nvar loader = {\n\tloadAll: loadAll_1,\n\tload: load_1\n};\n\n/*eslint-disable no-use-before-define*/\n\n\n\n\n\nvar _toString       = Object.prototype.toString;\nvar _hasOwnProperty = Object.prototype.hasOwnProperty;\n\nvar CHAR_BOM                  = 0xFEFF;\nvar CHAR_TAB                  = 0x09; /* Tab */\nvar CHAR_LINE_FEED            = 0x0A; /* LF */\nvar CHAR_CARRIAGE_RETURN      = 0x0D; /* CR */\nvar CHAR_SPACE                = 0x20; /* Space */\nvar CHAR_EXCLAMATION          = 0x21; /* ! */\nvar CHAR_DOUBLE_QUOTE         = 0x22; /* \" */\nvar CHAR_SHARP                = 0x23; /* # */\nvar CHAR_PERCENT              = 0x25; /* % */\nvar CHAR_AMPERSAND            = 0x26; /* & */\nvar CHAR_SINGLE_QUOTE         = 0x27; /* ' */\nvar CHAR_ASTERISK             = 0x2A; /* * */\nvar CHAR_COMMA                = 0x2C; /* , */\nvar CHAR_MINUS                = 0x2D; /* - */\nvar CHAR_COLON                = 0x3A; /* : */\nvar CHAR_EQUALS               = 0x3D; /* = */\nvar CHAR_GREATER_THAN         = 0x3E; /* > */\nvar CHAR_QUESTION             = 0x3F; /* ? */\nvar CHAR_COMMERCIAL_AT        = 0x40; /* @ */\nvar CHAR_LEFT_SQUARE_BRACKET  = 0x5B; /* [ */\nvar CHAR_RIGHT_SQUARE_BRACKET = 0x5D; /* ] */\nvar CHAR_GRAVE_ACCENT         = 0x60; /* ` */\nvar CHAR_LEFT_CURLY_BRACKET   = 0x7B; /* { */\nvar CHAR_VERTICAL_LINE        = 0x7C; /* | */\nvar CHAR_RIGHT_CURLY_BRACKET  = 0x7D; /* } */\n\nvar ESCAPE_SEQUENCES = {};\n\nESCAPE_SEQUENCES[0x00]   = '\\\\0';\nESCAPE_SEQUENCES[0x07]   = '\\\\a';\nESCAPE_SEQUENCES[0x08]   = '\\\\b';\nESCAPE_SEQUENCES[0x09]   = '\\\\t';\nESCAPE_SEQUENCES[0x0A]   = '\\\\n';\nESCAPE_SEQUENCES[0x0B]   = '\\\\v';\nESCAPE_SEQUENCES[0x0C]   = '\\\\f';\nESCAPE_SEQUENCES[0x0D]   = '\\\\r';\nESCAPE_SEQUENCES[0x1B]   = '\\\\e';\nESCAPE_SEQUENCES[0x22]   = '\\\\\"';\nESCAPE_SEQUENCES[0x5C]   = '\\\\\\\\';\nESCAPE_SEQUENCES[0x85]   = '\\\\N';\nESCAPE_SEQUENCES[0xA0]   = '\\\\_';\nESCAPE_SEQUENCES[0x2028] = '\\\\L';\nESCAPE_SEQUENCES[0x2029] = '\\\\P';\n\nvar DEPRECATED_BOOLEANS_SYNTAX = [\n  'y', 'Y', 'yes', 'Yes', 'YES', 'on', 'On', 'ON',\n  'n', 'N', 'no', 'No', 'NO', 'off', 'Off', 'OFF'\n];\n\nvar DEPRECATED_BASE60_SYNTAX = /^[-+]?[0-9_]+(?::[0-9_]+)+(?:\\.[0-9_]*)?$/;\n\nfunction compileStyleMap(schema, map) {\n  var result, keys, index, length, tag, style, type;\n\n  if (map === null) return {};\n\n  result = {};\n  keys = Object.keys(map);\n\n  for (index = 0, length = keys.length; index < length; index += 1) {\n    tag = keys[index];\n    style = String(map[tag]);\n\n    if (tag.slice(0, 2) === '!!') {\n      tag = 'tag:yaml.org,2002:' + tag.slice(2);\n    }\n    type = schema.compiledTypeMap['fallback'][tag];\n\n    if (type && _hasOwnProperty.call(type.styleAliases, style)) {\n      style = type.styleAliases[style];\n    }\n\n    result[tag] = style;\n  }\n\n  return result;\n}\n\nfunction encodeHex(character) {\n  var string, handle, length;\n\n  string = character.toString(16).toUpperCase();\n\n  if (character <= 0xFF) {\n    handle = 'x';\n    length = 2;\n  } else if (character <= 0xFFFF) {\n    handle = 'u';\n    length = 4;\n  } else if (character <= 0xFFFFFFFF) {\n    handle = 'U';\n    length = 8;\n  } else {\n    throw new exception('code point within a string may not be greater than 0xFFFFFFFF');\n  }\n\n  return '\\\\' + handle + common.repeat('0', length - string.length) + string;\n}\n\n\nvar QUOTING_TYPE_SINGLE = 1,\n    QUOTING_TYPE_DOUBLE = 2;\n\nfunction State(options) {\n  this.schema        = options['schema'] || _default;\n  this.indent        = Math.max(1, (options['indent'] || 2));\n  this.noArrayIndent = options['noArrayIndent'] || false;\n  this.skipInvalid   = options['skipInvalid'] || false;\n  this.flowLevel     = (common.isNothing(options['flowLevel']) ? -1 : options['flowLevel']);\n  this.styleMap      = compileStyleMap(this.schema, options['styles'] || null);\n  this.sortKeys      = options['sortKeys'] || false;\n  this.lineWidth     = options['lineWidth'] || 80;\n  this.noRefs        = options['noRefs'] || false;\n  this.noCompatMode  = options['noCompatMode'] || false;\n  this.condenseFlow  = options['condenseFlow'] || false;\n  this.quotingType   = options['quotingType'] === '\"' ? QUOTING_TYPE_DOUBLE : QUOTING_TYPE_SINGLE;\n  this.forceQuotes   = options['forceQuotes'] || false;\n  this.replacer      = typeof options['replacer'] === 'function' ? options['replacer'] : null;\n\n  this.implicitTypes = this.schema.compiledImplicit;\n  this.explicitTypes = this.schema.compiledExplicit;\n\n  this.tag = null;\n  this.result = '';\n\n  this.duplicates = [];\n  this.usedDuplicates = null;\n}\n\n// Indents every line in a string. Empty lines (\\n only) are not indented.\nfunction indentString(string, spaces) {\n  var ind = common.repeat(' ', spaces),\n      position = 0,\n      next = -1,\n      result = '',\n      line,\n      length = string.length;\n\n  while (position < length) {\n    next = string.indexOf('\\n', position);\n    if (next === -1) {\n      line = string.slice(position);\n      position = length;\n    } else {\n      line = string.slice(position, next + 1);\n      position = next + 1;\n    }\n\n    if (line.length && line !== '\\n') result += ind;\n\n    result += line;\n  }\n\n  return result;\n}\n\nfunction generateNextLine(state, level) {\n  return '\\n' + common.repeat(' ', state.indent * level);\n}\n\nfunction testImplicitResolving(state, str) {\n  var index, length, type;\n\n  for (index = 0, length = state.implicitTypes.length; index < length; index += 1) {\n    type = state.implicitTypes[index];\n\n    if (type.resolve(str)) {\n      return true;\n    }\n  }\n\n  return false;\n}\n\n// [33] s-white ::= s-space | s-tab\nfunction isWhitespace(c) {\n  return c === CHAR_SPACE || c === CHAR_TAB;\n}\n\n// Returns true if the character can be printed without escaping.\n// From YAML 1.2: \"any allowed characters known to be non-printable\n// should also be escaped. [However,] This isn\u2019t mandatory\"\n// Derived from nb-char - \\t - #x85 - #xA0 - #x2028 - #x2029.\nfunction isPrintable(c) {\n  return  (0x00020 <= c && c <= 0x00007E)\n      || ((0x000A1 <= c && c <= 0x00D7FF) && c !== 0x2028 && c !== 0x2029)\n      || ((0x0E000 <= c && c <= 0x00FFFD) && c !== CHAR_BOM)\n      ||  (0x10000 <= c && c <= 0x10FFFF);\n}\n\n// [34] ns-char ::= nb-char - s-white\n// [27] nb-char ::= c-printable - b-char - c-byte-order-mark\n// [26] b-char  ::= b-line-feed | b-carriage-return\n// Including s-white (for some reason, examples doesn't match specs in this aspect)\n// ns-char ::= c-printable - b-line-feed - b-carriage-return - c-byte-order-mark\nfunction isNsCharOrWhitespace(c) {\n  return isPrintable(c)\n    && c !== CHAR_BOM\n    // - b-char\n    && c !== CHAR_CARRIAGE_RETURN\n    && c !== CHAR_LINE_FEED;\n}\n\n// [127]  ns-plain-safe(c) ::= c = flow-out  \u21D2 ns-plain-safe-out\n//                             c = flow-in   \u21D2 ns-plain-safe-in\n//                             c = block-key \u21D2 ns-plain-safe-out\n//                             c = flow-key  \u21D2 ns-plain-safe-in\n// [128] ns-plain-safe-out ::= ns-char\n// [129]  ns-plain-safe-in ::= ns-char - c-flow-indicator\n// [130]  ns-plain-char(c) ::=  ( ns-plain-safe(c) - \u201C:\u201D - \u201C#\u201D )\n//                            | ( /* An ns-char preceding */ \u201C#\u201D )\n//                            | ( \u201C:\u201D /* Followed by an ns-plain-safe(c) */ )\nfunction isPlainSafe(c, prev, inblock) {\n  var cIsNsCharOrWhitespace = isNsCharOrWhitespace(c);\n  var cIsNsChar = cIsNsCharOrWhitespace && !isWhitespace(c);\n  return (\n    // ns-plain-safe\n    inblock ? // c = flow-in\n      cIsNsCharOrWhitespace\n      : cIsNsCharOrWhitespace\n        // - c-flow-indicator\n        && c !== CHAR_COMMA\n        && c !== CHAR_LEFT_SQUARE_BRACKET\n        && c !== CHAR_RIGHT_SQUARE_BRACKET\n        && c !== CHAR_LEFT_CURLY_BRACKET\n        && c !== CHAR_RIGHT_CURLY_BRACKET\n  )\n    // ns-plain-char\n    && c !== CHAR_SHARP // false on '#'\n    && !(prev === CHAR_COLON && !cIsNsChar) // false on ': '\n    || (isNsCharOrWhitespace(prev) && !isWhitespace(prev) && c === CHAR_SHARP) // change to true on '[^ ]#'\n    || (prev === CHAR_COLON && cIsNsChar); // change to true on ':[^ ]'\n}\n\n// Simplified test for values allowed as the first character in plain style.\nfunction isPlainSafeFirst(c) {\n  // Uses a subset of ns-char - c-indicator\n  // where ns-char = nb-char - s-white.\n  // No support of ( ( \u201C?\u201D | \u201C:\u201D | \u201C-\u201D ) /* Followed by an ns-plain-safe(c)) */ ) part\n  return isPrintable(c) && c !== CHAR_BOM\n    && !isWhitespace(c) // - s-white\n    // - (c-indicator ::=\n    // \u201C-\u201D | \u201C?\u201D | \u201C:\u201D | \u201C,\u201D | \u201C[\u201D | \u201C]\u201D | \u201C{\u201D | \u201C}\u201D\n    && c !== CHAR_MINUS\n    && c !== CHAR_QUESTION\n    && c !== CHAR_COLON\n    && c !== CHAR_COMMA\n    && c !== CHAR_LEFT_SQUARE_BRACKET\n    && c !== CHAR_RIGHT_SQUARE_BRACKET\n    && c !== CHAR_LEFT_CURLY_BRACKET\n    && c !== CHAR_RIGHT_CURLY_BRACKET\n    // | \u201C#\u201D | \u201C&\u201D | \u201C*\u201D | \u201C!\u201D | \u201C|\u201D | \u201C=\u201D | \u201C>\u201D | \u201C'\u201D | \u201C\"\u201D\n    && c !== CHAR_SHARP\n    && c !== CHAR_AMPERSAND\n    && c !== CHAR_ASTERISK\n    && c !== CHAR_EXCLAMATION\n    && c !== CHAR_VERTICAL_LINE\n    && c !== CHAR_EQUALS\n    && c !== CHAR_GREATER_THAN\n    && c !== CHAR_SINGLE_QUOTE\n    && c !== CHAR_DOUBLE_QUOTE\n    // | \u201C%\u201D | \u201C@\u201D | \u201C`\u201D)\n    && c !== CHAR_PERCENT\n    && c !== CHAR_COMMERCIAL_AT\n    && c !== CHAR_GRAVE_ACCENT;\n}\n\n// Simplified test for values allowed as the last character in plain style.\nfunction isPlainSafeLast(c) {\n  // just not whitespace or colon, it will be checked to be plain character later\n  return !isWhitespace(c) && c !== CHAR_COLON;\n}\n\n// Same as 'string'.codePointAt(pos), but works in older browsers.\nfunction codePointAt(string, pos) {\n  var first = string.charCodeAt(pos), second;\n  if (first >= 0xD800 && first <= 0xDBFF && pos + 1 < string.length) {\n    second = string.charCodeAt(pos + 1);\n    if (second >= 0xDC00 && second <= 0xDFFF) {\n      // https://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae\n      return (first - 0xD800) * 0x400 + second - 0xDC00 + 0x10000;\n    }\n  }\n  return first;\n}\n\n// Determines whether block indentation indicator is required.\nfunction needIndentIndicator(string) {\n  var leadingSpaceRe = /^\\n* /;\n  return leadingSpaceRe.test(string);\n}\n\nvar STYLE_PLAIN   = 1,\n    STYLE_SINGLE  = 2,\n    STYLE_LITERAL = 3,\n    STYLE_FOLDED  = 4,\n    STYLE_DOUBLE  = 5;\n\n// Determines which scalar styles are possible and returns the preferred style.\n// lineWidth = -1 => no limit.\n// Pre-conditions: str.length > 0.\n// Post-conditions:\n//    STYLE_PLAIN or STYLE_SINGLE => no \\n are in the string.\n//    STYLE_LITERAL => no lines are suitable for folding (or lineWidth is -1).\n//    STYLE_FOLDED => a line > lineWidth and can be folded (and lineWidth != -1).\nfunction chooseScalarStyle(string, singleLineOnly, indentPerLevel, lineWidth,\n  testAmbiguousType, quotingType, forceQuotes, inblock) {\n\n  var i;\n  var char = 0;\n  var prevChar = null;\n  var hasLineBreak = false;\n  var hasFoldableLine = false; // only checked if shouldTrackWidth\n  var shouldTrackWidth = lineWidth !== -1;\n  var previousLineBreak = -1; // count the first line correctly\n  var plain = isPlainSafeFirst(codePointAt(string, 0))\n          && isPlainSafeLast(codePointAt(string, string.length - 1));\n\n  if (singleLineOnly || forceQuotes) {\n    // Case: no block styles.\n    // Check for disallowed characters to rule out plain and single.\n    for (i = 0; i < string.length; char >= 0x10000 ? i += 2 : i++) {\n      char = codePointAt(string, i);\n      if (!isPrintable(char)) {\n        return STYLE_DOUBLE;\n      }\n      plain = plain && isPlainSafe(char, prevChar, inblock);\n      prevChar = char;\n    }\n  } else {\n    // Case: block styles permitted.\n    for (i = 0; i < string.length; char >= 0x10000 ? i += 2 : i++) {\n      char = codePointAt(string, i);\n      if (char === CHAR_LINE_FEED) {\n        hasLineBreak = true;\n        // Check if any line can be folded.\n        if (shouldTrackWidth) {\n          hasFoldableLine = hasFoldableLine ||\n            // Foldable line = too long, and not more-indented.\n            (i - previousLineBreak - 1 > lineWidth &&\n             string[previousLineBreak + 1] !== ' ');\n          previousLineBreak = i;\n        }\n      } else if (!isPrintable(char)) {\n        return STYLE_DOUBLE;\n      }\n      plain = plain && isPlainSafe(char, prevChar, inblock);\n      prevChar = char;\n    }\n    // in case the end is missing a \\n\n    hasFoldableLine = hasFoldableLine || (shouldTrackWidth &&\n      (i - previousLineBreak - 1 > lineWidth &&\n       string[previousLineBreak + 1] !== ' '));\n  }\n  // Although every style can represent \\n without escaping, prefer block styles\n  // for multiline, since they're more readable and they don't add empty lines.\n  // Also prefer folding a super-long line.\n  if (!hasLineBreak && !hasFoldableLine) {\n    // Strings interpretable as another type have to be quoted;\n    // e.g. the string 'true' vs. the boolean true.\n    if (plain && !forceQuotes && !testAmbiguousType(string)) {\n      return STYLE_PLAIN;\n    }\n    return quotingType === QUOTING_TYPE_DOUBLE ? STYLE_DOUBLE : STYLE_SINGLE;\n  }\n  // Edge case: block indentation indicator can only have one digit.\n  if (indentPerLevel > 9 && needIndentIndicator(string)) {\n    return STYLE_DOUBLE;\n  }\n  // At this point we know block styles are valid.\n  // Prefer literal style unless we want to fold.\n  if (!forceQuotes) {\n    return hasFoldableLine ? STYLE_FOLDED : STYLE_LITERAL;\n  }\n  return quotingType === QUOTING_TYPE_DOUBLE ? STYLE_DOUBLE : STYLE_SINGLE;\n}\n\n// Note: line breaking/folding is implemented for only the folded style.\n// NB. We drop the last trailing newline (if any) of a returned block scalar\n//  since the dumper adds its own newline. This always works:\n//    \u2022 No ending newline => unaffected; already using strip \"-\" chomping.\n//    \u2022 Ending newline    => removed then restored.\n//  Importantly, this keeps the \"+\" chomp indicator from gaining an extra line.\nfunction writeScalar(state, string, level, iskey, inblock) {\n  state.dump = (function () {\n    if (string.length === 0) {\n      return state.quotingType === QUOTING_TYPE_DOUBLE ? '\"\"' : \"''\";\n    }\n    if (!state.noCompatMode) {\n      if (DEPRECATED_BOOLEANS_SYNTAX.indexOf(string) !== -1 || DEPRECATED_BASE60_SYNTAX.test(string)) {\n        return state.quotingType === QUOTING_TYPE_DOUBLE ? ('\"' + string + '\"') : (\"'\" + string + \"'\");\n      }\n    }\n\n    var indent = state.indent * Math.max(1, level); // no 0-indent scalars\n    // As indentation gets deeper, let the width decrease monotonically\n    // to the lower bound min(state.lineWidth, 40).\n    // Note that this implies\n    //  state.lineWidth \u2264 40 + state.indent: width is fixed at the lower bound.\n    //  state.lineWidth > 40 + state.indent: width decreases until the lower bound.\n    // This behaves better than a constant minimum width which disallows narrower options,\n    // or an indent threshold which causes the width to suddenly increase.\n    var lineWidth = state.lineWidth === -1\n      ? -1 : Math.max(Math.min(state.lineWidth, 40), state.lineWidth - indent);\n\n    // Without knowing if keys are implicit/explicit, assume implicit for safety.\n    var singleLineOnly = iskey\n      // No block styles in flow mode.\n      || (state.flowLevel > -1 && level >= state.flowLevel);\n    function testAmbiguity(string) {\n      return testImplicitResolving(state, string);\n    }\n\n    switch (chooseScalarStyle(string, singleLineOnly, state.indent, lineWidth,\n      testAmbiguity, state.quotingType, state.forceQuotes && !iskey, inblock)) {\n\n      case STYLE_PLAIN:\n        return string;\n      case STYLE_SINGLE:\n        return \"'\" + string.replace(/'/g, \"''\") + \"'\";\n      case STYLE_LITERAL:\n        return '|' + blockHeader(string, state.indent)\n          + dropEndingNewline(indentString(string, indent));\n      case STYLE_FOLDED:\n        return '>' + blockHeader(string, state.indent)\n          + dropEndingNewline(indentString(foldString(string, lineWidth), indent));\n      case STYLE_DOUBLE:\n        return '\"' + escapeString(string) + '\"';\n      default:\n        throw new exception('impossible error: invalid scalar style');\n    }\n  }());\n}\n\n// Pre-conditions: string is valid for a block scalar, 1 <= indentPerLevel <= 9.\nfunction blockHeader(string, indentPerLevel) {\n  var indentIndicator = needIndentIndicator(string) ? String(indentPerLevel) : '';\n\n  // note the special case: the string '\\n' counts as a \"trailing\" empty line.\n  var clip =          string[string.length - 1] === '\\n';\n  var keep = clip && (string[string.length - 2] === '\\n' || string === '\\n');\n  var chomp = keep ? '+' : (clip ? '' : '-');\n\n  return indentIndicator + chomp + '\\n';\n}\n\n// (See the note for writeScalar.)\nfunction dropEndingNewline(string) {\n  return string[string.length - 1] === '\\n' ? string.slice(0, -1) : string;\n}\n\n// Note: a long line without a suitable break point will exceed the width limit.\n// Pre-conditions: every char in str isPrintable, str.length > 0, width > 0.\nfunction foldString(string, width) {\n  // In folded style, $k$ consecutive newlines output as $k+1$ newlines\u2014\n  // unless they're before or after a more-indented line, or at the very\n  // beginning or end, in which case $k$ maps to $k$.\n  // Therefore, parse each chunk as newline(s) followed by a content line.\n  var lineRe = /(\\n+)([^\\n]*)/g;\n\n  // first line (possibly an empty line)\n  var result = (function () {\n    var nextLF = string.indexOf('\\n');\n    nextLF = nextLF !== -1 ? nextLF : string.length;\n    lineRe.lastIndex = nextLF;\n    return foldLine(string.slice(0, nextLF), width);\n  }());\n  // If we haven't reached the first content line yet, don't add an extra \\n.\n  var prevMoreIndented = string[0] === '\\n' || string[0] === ' ';\n  var moreIndented;\n\n  // rest of the lines\n  var match;\n  while ((match = lineRe.exec(string))) {\n    var prefix = match[1], line = match[2];\n    moreIndented = (line[0] === ' ');\n    result += prefix\n      + (!prevMoreIndented && !moreIndented && line !== ''\n        ? '\\n' : '')\n      + foldLine(line, width);\n    prevMoreIndented = moreIndented;\n  }\n\n  return result;\n}\n\n// Greedy line breaking.\n// Picks the longest line under the limit each time,\n// otherwise settles for the shortest line over the limit.\n// NB. More-indented lines *cannot* be folded, as that would add an extra \\n.\nfunction foldLine(line, width) {\n  if (line === '' || line[0] === ' ') return line;\n\n  // Since a more-indented line adds a \\n, breaks can't be followed by a space.\n  var breakRe = / [^ ]/g; // note: the match index will always be <= length-2.\n  var match;\n  // start is an inclusive index. end, curr, and next are exclusive.\n  var start = 0, end, curr = 0, next = 0;\n  var result = '';\n\n  // Invariants: 0 <= start <= length-1.\n  //   0 <= curr <= next <= max(0, length-2). curr - start <= width.\n  // Inside the loop:\n  //   A match implies length >= 2, so curr and next are <= length-2.\n  while ((match = breakRe.exec(line))) {\n    next = match.index;\n    // maintain invariant: curr - start <= width\n    if (next - start > width) {\n      end = (curr > start) ? curr : next; // derive end <= length-2\n      result += '\\n' + line.slice(start, end);\n      // skip the space that was output as \\n\n      start = end + 1;                    // derive start <= length-1\n    }\n    curr = next;\n  }\n\n  // By the invariants, start <= length-1, so there is something left over.\n  // It is either the whole string or a part starting from non-whitespace.\n  result += '\\n';\n  // Insert a break if the remainder is too long and there is a break available.\n  if (line.length - start > width && curr > start) {\n    result += line.slice(start, curr) + '\\n' + line.slice(curr + 1);\n  } else {\n    result += line.slice(start);\n  }\n\n  return result.slice(1); // drop extra \\n joiner\n}\n\n// Escapes a double-quoted string.\nfunction escapeString(string) {\n  var result = '';\n  var char = 0;\n  var escapeSeq;\n\n  for (var i = 0; i < string.length; char >= 0x10000 ? i += 2 : i++) {\n    char = codePointAt(string, i);\n    escapeSeq = ESCAPE_SEQUENCES[char];\n\n    if (!escapeSeq && isPrintable(char)) {\n      result += string[i];\n      if (char >= 0x10000) result += string[i + 1];\n    } else {\n      result += escapeSeq || encodeHex(char);\n    }\n  }\n\n  return result;\n}\n\nfunction writeFlowSequence(state, level, object) {\n  var _result = '',\n      _tag    = state.tag,\n      index,\n      length,\n      value;\n\n  for (index = 0, length = object.length; index < length; index += 1) {\n    value = object[index];\n\n    if (state.replacer) {\n      value = state.replacer.call(object, String(index), value);\n    }\n\n    // Write only valid elements, put null instead of invalid elements.\n    if (writeNode(state, level, value, false, false) ||\n        (typeof value === 'undefined' &&\n         writeNode(state, level, null, false, false))) {\n\n      if (_result !== '') _result += ',' + (!state.condenseFlow ? ' ' : '');\n      _result += state.dump;\n    }\n  }\n\n  state.tag = _tag;\n  state.dump = '[' + _result + ']';\n}\n\nfunction writeBlockSequence(state, level, object, compact) {\n  var _result = '',\n      _tag    = state.tag,\n      index,\n      length,\n      value;\n\n  for (index = 0, length = object.length; index < length; index += 1) {\n    value = object[index];\n\n    if (state.replacer) {\n      value = state.replacer.call(object, String(index), value);\n    }\n\n    // Write only valid elements, put null instead of invalid elements.\n    if (writeNode(state, level + 1, value, true, true, false, true) ||\n        (typeof value === 'undefined' &&\n         writeNode(state, level + 1, null, true, true, false, true))) {\n\n      if (!compact || _result !== '') {\n        _result += generateNextLine(state, level);\n      }\n\n      if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) {\n        _result += '-';\n      } else {\n        _result += '- ';\n      }\n\n      _result += state.dump;\n    }\n  }\n\n  state.tag = _tag;\n  state.dump = _result || '[]'; // Empty sequence if no valid values.\n}\n\nfunction writeFlowMapping(state, level, object) {\n  var _result       = '',\n      _tag          = state.tag,\n      objectKeyList = Object.keys(object),\n      index,\n      length,\n      objectKey,\n      objectValue,\n      pairBuffer;\n\n  for (index = 0, length = objectKeyList.length; index < length; index += 1) {\n\n    pairBuffer = '';\n    if (_result !== '') pairBuffer += ', ';\n\n    if (state.condenseFlow) pairBuffer += '\"';\n\n    objectKey = objectKeyList[index];\n    objectValue = object[objectKey];\n\n    if (state.replacer) {\n      objectValue = state.replacer.call(object, objectKey, objectValue);\n    }\n\n    if (!writeNode(state, level, objectKey, false, false)) {\n      continue; // Skip this pair because of invalid key;\n    }\n\n    if (state.dump.length > 1024) pairBuffer += '? ';\n\n    pairBuffer += state.dump + (state.condenseFlow ? '\"' : '') + ':' + (state.condenseFlow ? '' : ' ');\n\n    if (!writeNode(state, level, objectValue, false, false)) {\n      continue; // Skip this pair because of invalid value.\n    }\n\n    pairBuffer += state.dump;\n\n    // Both key and value are valid.\n    _result += pairBuffer;\n  }\n\n  state.tag = _tag;\n  state.dump = '{' + _result + '}';\n}\n\nfunction writeBlockMapping(state, level, object, compact) {\n  var _result       = '',\n      _tag          = state.tag,\n      objectKeyList = Object.keys(object),\n      index,\n      length,\n      objectKey,\n      objectValue,\n      explicitPair,\n      pairBuffer;\n\n  // Allow sorting keys so that the output file is deterministic\n  if (state.sortKeys === true) {\n    // Default sorting\n    objectKeyList.sort();\n  } else if (typeof state.sortKeys === 'function') {\n    // Custom sort function\n    objectKeyList.sort(state.sortKeys);\n  } else if (state.sortKeys) {\n    // Something is wrong\n    throw new exception('sortKeys must be a boolean or a function');\n  }\n\n  for (index = 0, length = objectKeyList.length; index < length; index += 1) {\n    pairBuffer = '';\n\n    if (!compact || _result !== '') {\n      pairBuffer += generateNextLine(state, level);\n    }\n\n    objectKey = objectKeyList[index];\n    objectValue = object[objectKey];\n\n    if (state.replacer) {\n      objectValue = state.replacer.call(object, objectKey, objectValue);\n    }\n\n    if (!writeNode(state, level + 1, objectKey, true, true, true)) {\n      continue; // Skip this pair because of invalid key.\n    }\n\n    explicitPair = (state.tag !== null && state.tag !== '?') ||\n                   (state.dump && state.dump.length > 1024);\n\n    if (explicitPair) {\n      if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) {\n        pairBuffer += '?';\n      } else {\n        pairBuffer += '? ';\n      }\n    }\n\n    pairBuffer += state.dump;\n\n    if (explicitPair) {\n      pairBuffer += generateNextLine(state, level);\n    }\n\n    if (!writeNode(state, level + 1, objectValue, true, explicitPair)) {\n      continue; // Skip this pair because of invalid value.\n    }\n\n    if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) {\n      pairBuffer += ':';\n    } else {\n      pairBuffer += ': ';\n    }\n\n    pairBuffer += state.dump;\n\n    // Both key and value are valid.\n    _result += pairBuffer;\n  }\n\n  state.tag = _tag;\n  state.dump = _result || '{}'; // Empty mapping if no valid pairs.\n}\n\nfunction detectType(state, object, explicit) {\n  var _result, typeList, index, length, type, style;\n\n  typeList = explicit ? state.explicitTypes : state.implicitTypes;\n\n  for (index = 0, length = typeList.length; index < length; index += 1) {\n    type = typeList[index];\n\n    if ((type.instanceOf  || type.predicate) &&\n        (!type.instanceOf || ((typeof object === 'object') && (object instanceof type.instanceOf))) &&\n        (!type.predicate  || type.predicate(object))) {\n\n      if (explicit) {\n        if (type.multi && type.representName) {\n          state.tag = type.representName(object);\n        } else {\n          state.tag = type.tag;\n        }\n      } else {\n        state.tag = '?';\n      }\n\n      if (type.represent) {\n        style = state.styleMap[type.tag] || type.defaultStyle;\n\n        if (_toString.call(type.represent) === '[object Function]') {\n          _result = type.represent(object, style);\n        } else if (_hasOwnProperty.call(type.represent, style)) {\n          _result = type.represent[style](object, style);\n        } else {\n          throw new exception('!<' + type.tag + '> tag resolver accepts not \"' + style + '\" style');\n        }\n\n        state.dump = _result;\n      }\n\n      return true;\n    }\n  }\n\n  return false;\n}\n\n// Serializes `object` and writes it to global `result`.\n// Returns true on success, or false on invalid object.\n//\nfunction writeNode(state, level, object, block, compact, iskey, isblockseq) {\n  state.tag = null;\n  state.dump = object;\n\n  if (!detectType(state, object, false)) {\n    detectType(state, object, true);\n  }\n\n  var type = _toString.call(state.dump);\n  var inblock = block;\n  var tagStr;\n\n  if (block) {\n    block = (state.flowLevel < 0 || state.flowLevel > level);\n  }\n\n  var objectOrArray = type === '[object Object]' || type === '[object Array]',\n      duplicateIndex,\n      duplicate;\n\n  if (objectOrArray) {\n    duplicateIndex = state.duplicates.indexOf(object);\n    duplicate = duplicateIndex !== -1;\n  }\n\n  if ((state.tag !== null && state.tag !== '?') || duplicate || (state.indent !== 2 && level > 0)) {\n    compact = false;\n  }\n\n  if (duplicate && state.usedDuplicates[duplicateIndex]) {\n    state.dump = '*ref_' + duplicateIndex;\n  } else {\n    if (objectOrArray && duplicate && !state.usedDuplicates[duplicateIndex]) {\n      state.usedDuplicates[duplicateIndex] = true;\n    }\n    if (type === '[object Object]') {\n      if (block && (Object.keys(state.dump).length !== 0)) {\n        writeBlockMapping(state, level, state.dump, compact);\n        if (duplicate) {\n          state.dump = '&ref_' + duplicateIndex + state.dump;\n        }\n      } else {\n        writeFlowMapping(state, level, state.dump);\n        if (duplicate) {\n          state.dump = '&ref_' + duplicateIndex + ' ' + state.dump;\n        }\n      }\n    } else if (type === '[object Array]') {\n      if (block && (state.dump.length !== 0)) {\n        if (state.noArrayIndent && !isblockseq && level > 0) {\n          writeBlockSequence(state, level - 1, state.dump, compact);\n        } else {\n          writeBlockSequence(state, level, state.dump, compact);\n        }\n        if (duplicate) {\n          state.dump = '&ref_' + duplicateIndex + state.dump;\n        }\n      } else {\n        writeFlowSequence(state, level, state.dump);\n        if (duplicate) {\n          state.dump = '&ref_' + duplicateIndex + ' ' + state.dump;\n        }\n      }\n    } else if (type === '[object String]') {\n      if (state.tag !== '?') {\n        writeScalar(state, state.dump, level, iskey, inblock);\n      }\n    } else if (type === '[object Undefined]') {\n      return false;\n    } else {\n      if (state.skipInvalid) return false;\n      throw new exception('unacceptable kind of an object to dump ' + type);\n    }\n\n    if (state.tag !== null && state.tag !== '?') {\n      // Need to encode all characters except those allowed by the spec:\n      //\n      // [35] ns-dec-digit    ::=  [#x30-#x39] /* 0-9 */\n      // [36] ns-hex-digit    ::=  ns-dec-digit\n      //                         | [#x41-#x46] /* A-F */ | [#x61-#x66] /* a-f */\n      // [37] ns-ascii-letter ::=  [#x41-#x5A] /* A-Z */ | [#x61-#x7A] /* a-z */\n      // [38] ns-word-char    ::=  ns-dec-digit | ns-ascii-letter | \u201C-\u201D\n      // [39] ns-uri-char     ::=  \u201C%\u201D ns-hex-digit ns-hex-digit | ns-word-char | \u201C#\u201D\n      //                         | \u201C;\u201D | \u201C/\u201D | \u201C?\u201D | \u201C:\u201D | \u201C@\u201D | \u201C&\u201D | \u201C=\u201D | \u201C+\u201D | \u201C$\u201D | \u201C,\u201D\n      //                         | \u201C_\u201D | \u201C.\u201D | \u201C!\u201D | \u201C~\u201D | \u201C*\u201D | \u201C'\u201D | \u201C(\u201D | \u201C)\u201D | \u201C[\u201D | \u201C]\u201D\n      //\n      // Also need to encode '!' because it has special meaning (end of tag prefix).\n      //\n      tagStr = encodeURI(\n        state.tag[0] === '!' ? state.tag.slice(1) : state.tag\n      ).replace(/!/g, '%21');\n\n      if (state.tag[0] === '!') {\n        tagStr = '!' + tagStr;\n      } else if (tagStr.slice(0, 18) === 'tag:yaml.org,2002:') {\n        tagStr = '!!' + tagStr.slice(18);\n      } else {\n        tagStr = '!<' + tagStr + '>';\n      }\n\n      state.dump = tagStr + ' ' + state.dump;\n    }\n  }\n\n  return true;\n}\n\nfunction getDuplicateReferences(object, state) {\n  var objects = [],\n      duplicatesIndexes = [],\n      index,\n      length;\n\n  inspectNode(object, objects, duplicatesIndexes);\n\n  for (index = 0, length = duplicatesIndexes.length; index < length; index += 1) {\n    state.duplicates.push(objects[duplicatesIndexes[index]]);\n  }\n  state.usedDuplicates = new Array(length);\n}\n\nfunction inspectNode(object, objects, duplicatesIndexes) {\n  var objectKeyList,\n      index,\n      length;\n\n  if (object !== null && typeof object === 'object') {\n    index = objects.indexOf(object);\n    if (index !== -1) {\n      if (duplicatesIndexes.indexOf(index) === -1) {\n        duplicatesIndexes.push(index);\n      }\n    } else {\n      objects.push(object);\n\n      if (Array.isArray(object)) {\n        for (index = 0, length = object.length; index < length; index += 1) {\n          inspectNode(object[index], objects, duplicatesIndexes);\n        }\n      } else {\n        objectKeyList = Object.keys(object);\n\n        for (index = 0, length = objectKeyList.length; index < length; index += 1) {\n          inspectNode(object[objectKeyList[index]], objects, duplicatesIndexes);\n        }\n      }\n    }\n  }\n}\n\nfunction dump$1(input, options) {\n  options = options || {};\n\n  var state = new State(options);\n\n  if (!state.noRefs) getDuplicateReferences(input, state);\n\n  var value = input;\n\n  if (state.replacer) {\n    value = state.replacer.call({ '': value }, '', value);\n  }\n\n  if (writeNode(state, 0, value, true, true)) return state.dump + '\\n';\n\n  return '';\n}\n\nvar dump_1 = dump$1;\n\nvar dumper = {\n\tdump: dump_1\n};\n\nfunction renamed(from, to) {\n  return function () {\n    throw new Error('Function yaml.' + from + ' is removed in js-yaml 4. ' +\n      'Use yaml.' + to + ' instead, which is now safe by default.');\n  };\n}\n\n\nvar Type                = type;\nvar Schema              = schema;\nvar FAILSAFE_SCHEMA     = failsafe;\nvar JSON_SCHEMA         = json;\nvar CORE_SCHEMA         = core;\nvar DEFAULT_SCHEMA      = _default;\nvar load                = loader.load;\nvar loadAll             = loader.loadAll;\nvar dump                = dumper.dump;\nvar YAMLException       = exception;\n\n// Re-export all types in case user wants to create custom schema\nvar types = {\n  binary:    binary,\n  float:     float,\n  map:       map,\n  null:      _null,\n  pairs:     pairs,\n  set:       set,\n  timestamp: timestamp,\n  bool:      bool,\n  int:       int,\n  merge:     merge,\n  omap:      omap,\n  seq:       seq,\n  str:       str\n};\n\n// Removed functions from JS-YAML 3.0.x\nvar safeLoad            = renamed('safeLoad', 'load');\nvar safeLoadAll         = renamed('safeLoadAll', 'loadAll');\nvar safeDump            = renamed('safeDump', 'dump');\n\nvar jsYaml = {\n\tType: Type,\n\tSchema: Schema,\n\tFAILSAFE_SCHEMA: FAILSAFE_SCHEMA,\n\tJSON_SCHEMA: JSON_SCHEMA,\n\tCORE_SCHEMA: CORE_SCHEMA,\n\tDEFAULT_SCHEMA: DEFAULT_SCHEMA,\n\tload: load,\n\tloadAll: loadAll,\n\tdump: dump,\n\tYAMLException: YAMLException,\n\ttypes: types,\n\tsafeLoad: safeLoad,\n\tsafeLoadAll: safeLoadAll,\n\tsafeDump: safeDump\n};\n\nexport { CORE_SCHEMA, DEFAULT_SCHEMA, FAILSAFE_SCHEMA, JSON_SCHEMA, Schema, Type, YAMLException, jsYaml as default, dump, load, loadAll, safeDump, safeLoad, safeLoadAll, types };\n", "/**\n * CodeQL metadata resolver utilities\n * Handles resolution of query metadata using the CodeQL CLI\n */\n\nimport { executeCodeQLCommand } from './cli-executor';\nimport { logger } from '../utils/logger';\n\n/**\n * Query metadata structure returned by codeql resolve metadata\n */\nexport interface QueryMetadata {\n  [key: string]: string | string[];\n}\n\n/**\n * Resolve metadata for a CodeQL query file\n * @param queryPath - Absolute or relative path to the .ql query file\n * @returns Parsed metadata object or null if resolution fails\n */\nexport async function resolveQueryMetadata(queryPath: string): Promise<QueryMetadata | null> {\n  try {\n    logger.info(`Resolving metadata for query: ${queryPath}`);\n\n    const result = await executeCodeQLCommand(\n      'resolve metadata',\n      { format: 'json' },\n      [queryPath]\n    );\n\n    if (!result.success) {\n      logger.error(`Failed to resolve metadata for ${queryPath}:`, result.stderr || result.error);\n      return null;\n    }\n\n    // Parse the JSON output\n    try {\n      const metadata = JSON.parse(result.stdout);\n      return metadata;\n    } catch (parseError) {\n      logger.error(`Failed to parse metadata JSON for ${queryPath}:`, parseError);\n      return null;\n    }\n  } catch (error) {\n    logger.error(`Error resolving metadata for ${queryPath}:`, error);\n    return null;\n  }\n}\n", "/**\n * CodeQL generate log-summary tool\n */\n\nimport { z } from 'zod';\nimport { CLIToolDefinition, createCodeQLSchemas, defaultCLIResultProcessor } from '../../lib/cli-tool-registry';\n\nexport const codeqlGenerateLogSummaryTool: CLIToolDefinition = {\n  name: 'codeql_generate_log-summary',\n  description: 'Create a summary of a structured JSON evaluator event log file',\n  command: 'codeql',\n  subcommand: 'generate log-summary',\n  inputSchema: {\n    inputLog: z.string().describe('Path to the evaluator log file to summarize'),\n    outputFile: z.string().optional().describe('Path to write the summary (optional, defaults to stdout)'),\n    format: z.enum(['text', 'predicates', 'overall']).optional()\n      .describe('Output format: text (human-readable), predicates (JSON), or overall (stats)'),\n    'minify-output': z.boolean().optional().describe('Minify JSON output'),\n    utc: z.boolean().optional().describe('Force UTC timestamps'),\n    'deduplicate-stage-summaries': z.boolean().optional().describe('Deduplicate stage summaries'),\n    verbose: createCodeQLSchemas.verbose(),\n    additionalArgs: createCodeQLSchemas.additionalArgs()\n  },\n  examples: [\n    'codeql generate log-summary --format=text -- evaluator-log.json.txt summary.txt',\n    'codeql generate log-summary --format=predicates --minify-output -- evaluator-log.json.txt',\n    'codeql generate log-summary --format=overall -- evaluator-log.json.txt overall-stats.json'\n  ],\n  resultProcessor: defaultCLIResultProcessor\n};", "/**\n * CodeQL generate query-help tool\n */\n\nimport { z } from 'zod';\nimport { CLIToolDefinition, createCodeQLSchemas, defaultCLIResultProcessor } from '../../lib/cli-tool-registry';\n\nexport const codeqlGenerateQueryHelpTool: CLIToolDefinition = {\n  name: 'codeql_generate_query-help',\n  description: 'Generate query help documentation from QLDoc comments',\n  command: 'codeql',\n  subcommand: 'generate query-help',\n  inputSchema: {\n    query: z.string().describe('Path to the query file to generate help for'),\n    outputFile: z.string().optional().describe('Path to write the help documentation'),\n    format: z.enum(['markdown', 'text', 'html']).optional()\n      .describe('Output format for the help documentation'),\n    verbose: createCodeQLSchemas.verbose(),\n    additionalArgs: createCodeQLSchemas.additionalArgs()\n  },\n  examples: [\n    'codeql generate query-help -- MyQuery.ql',\n    'codeql generate query-help --format=markdown -- MyQuery.ql help.md',\n    'codeql generate query-help --format=html -- MyQuery.ql help.html'\n  ],\n  resultProcessor: defaultCLIResultProcessor\n};", "/**\n * CodeQL pack install tool\n */\n\nimport { z } from 'zod';\nimport { CLIToolDefinition, createCodeQLSchemas } from '../../lib/cli-tool-registry';\n\nexport const codeqlPackInstallTool: CLIToolDefinition = {\n  name: 'codeql_pack_install',\n  description: 'Install CodeQL pack dependencies',\n  command: 'codeql',\n  subcommand: 'pack install',\n  inputSchema: {\n    packDir: z.string().optional().describe('Directory containing qlpack.yml (default: current)'),\n    force: z.boolean().optional().describe('Force reinstall of dependencies'),\n    'no-strict-mode': z.boolean().optional()\n      .describe('Allow non-strict dependency resolution'),\n    verbose: createCodeQLSchemas.verbose(),\n    additionalArgs: createCodeQLSchemas.additionalArgs()\n  },\n  examples: [\n    'codeql pack install',\n    'codeql pack install --force /path/to/pack',\n    'codeql pack install --no-strict-mode'\n  ]\n};", "/**\n * CodeQL pack ls tool\n */\n\nimport { z } from 'zod';\nimport { CLIToolDefinition, createCodeQLSchemas, defaultCLIResultProcessor } from '../../lib/cli-tool-registry';\n\nexport const codeqlPackLsTool: CLIToolDefinition = {\n  name: 'codeql_pack_ls',\n  description: 'List CodeQL packs under some local directory path',\n  command: 'codeql',\n  subcommand: 'pack ls',\n  inputSchema: {\n    dir: z.string().optional().describe('The root directory of the package or workspace, defaults to the current working directory'),\n    format: z.enum(['text', 'json']).optional()\n      .describe('Output format: text (default) or json'),\n    groups: z.string().optional()\n      .describe('List of CodeQL pack groups to include or exclude'),\n    verbose: createCodeQLSchemas.verbose(),\n    additionalArgs: createCodeQLSchemas.additionalArgs()\n  },\n  examples: [\n    'codeql pack ls -- .',\n    'codeql pack ls --format=json -- /path/to/pack-directory',\n    'codeql pack ls --format=json --groups=queries,tests -- .'\n  ],\n  resultProcessor: defaultCLIResultProcessor\n};", "/**\n * CodeQL query profiling tool\n */\n\nimport { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';\nimport { z } from 'zod';\nimport { executeCodeQLCommand } from '../../lib/cli-executor';\nimport { logger } from '../../utils/logger';\nimport { writeFileSync, readFileSync, existsSync } from 'fs';\nimport { join, dirname, basename } from 'path';\nimport { mkdirSync } from 'fs';\n\ninterface EvaluatorLogEvent {\n  time: string;\n  type: string;\n  eventId: number;\n  nanoTime: number;\n  [key: string]: unknown;\n}\n\ninterface PipelineNode {\n  eventId: number;\n  name: string;\n  position?: string;\n  type?: string;\n  startTime: number;\n  endTime: number;\n  duration: number;\n  resultSize?: number;\n  tupleCount?: number;\n  dependencies: string[];\n  dependencyEventIds: number[];\n}\n\ninterface ProfileData {\n  queryName: string;\n  totalDuration: number;\n  totalEvents: number;\n  pipelines: PipelineNode[];\n}\n\n/**\n * Parse evaluator log and create profile data\n */\nfunction parseEvaluatorLog(logPath: string): ProfileData {\n  const logContent = readFileSync(logPath, 'utf-8');\n  \n  // Split by empty lines to get each JSON object (handles both JSONL and pretty-printed JSON)\n  const jsonObjects = logContent.split('\\n\\n').filter((s) => s.trim());\n  const events: EvaluatorLogEvent[] = jsonObjects\n    .map((obj) => {\n      try {\n        return JSON.parse(obj);\n      } catch (_error) {\n        logger.warn(`Failed to parse evaluator log object: ${obj.substring(0, 100)}...`);\n        return null;\n      }\n    })\n    .filter((event): event is EvaluatorLogEvent => event !== null);\n\n  // Map to track pipeline nodes by their start event ID\n  const pipelineMap = new Map<number, Partial<PipelineNode>>();\n  // Map to track dependency event IDs by predicate name\n  const predicateNameToEventId = new Map<string, number>();\n  \n  let queryName = '';\n  let queryStartTime = 0;\n  let queryEndTime = 0;\n\n  for (const event of events) {\n    switch (event.type) {\n      case 'QUERY_STARTED':\n        queryName = (event.queryName as string) || '';\n        queryStartTime = event.nanoTime;\n        break;\n\n      case 'QUERY_COMPLETED':\n        queryEndTime = event.nanoTime;\n        break;\n\n      case 'PREDICATE_STARTED': {\n        const predicateName = event.predicateName as string;\n        const position = event.position as string | undefined;\n        const predicateType = event.predicateType as string | undefined;\n        const dependencies = event.dependencies as Record<string, string> | undefined;\n        \n        // Track this predicate's event ID by name for dependency resolution\n        predicateNameToEventId.set(predicateName, event.eventId);\n        \n        // Get dependency event IDs\n        const dependencyEventIds: number[] = [];\n        const dependencyNames: string[] = [];\n        if (dependencies) {\n          for (const depName of Object.keys(dependencies)) {\n            dependencyNames.push(depName);\n            const depEventId = predicateNameToEventId.get(depName);\n            if (depEventId !== undefined) {\n              dependencyEventIds.push(depEventId);\n            }\n          }\n        }\n\n        pipelineMap.set(event.eventId, {\n          eventId: event.eventId,\n          name: predicateName,\n          position,\n          type: predicateType,\n          startTime: event.nanoTime,\n          dependencies: dependencyNames,\n          dependencyEventIds,\n        });\n        break;\n      }\n\n      case 'PREDICATE_COMPLETED': {\n        const startEventId = event.startEvent as number;\n        const pipelineInfo = pipelineMap.get(startEventId);\n        if (pipelineInfo) {\n          const startEvent = events.find((e) => e.eventId === startEventId);\n          if (startEvent) {\n            const duration = (event.nanoTime - startEvent.nanoTime) / 1_000_000; // Convert to ms\n            pipelineInfo.endTime = event.nanoTime;\n            pipelineInfo.duration = duration;\n            pipelineInfo.resultSize = event.resultSize as number | undefined;\n            pipelineInfo.tupleCount = event.tupleCount as number | undefined;\n          }\n        }\n        break;\n      }\n    }\n  }\n\n  // Convert to array and maintain original evaluation order (by eventId)\n  const pipelines: PipelineNode[] = Array.from(pipelineMap.values())\n    .filter((p): p is PipelineNode => p.duration !== undefined)\n    .sort((a, b) => a.eventId - b.eventId);\n\n  const totalDuration = queryEndTime > 0 ? (queryEndTime - queryStartTime) / 1_000_000 : 0;\n\n  return {\n    queryName,\n    totalDuration,\n    totalEvents: events.length,\n    pipelines,\n  };\n}\n\n/**\n * Format profile data as JSON\n */\nfunction formatAsJson(profile: ProfileData): string {\n  return JSON.stringify(profile, null, 2);\n}\n\n/**\n * Format profile data as Mermaid diagram\n * Creates a graph showing the query evaluation pipelines in order of execution\n * with dependencies as edges, annotated with duration and result sizes\n */\nfunction formatAsMermaid(profile: ProfileData): string {\n  const lines: string[] = [];\n\n  lines.push('```mermaid');\n  lines.push('graph TD');\n  lines.push('');\n  \n  // Add query root node\n  lines.push(`  QUERY[\"${basename(profile.queryName)}<br/>Total: ${profile.totalDuration.toFixed(2)}ms\"]`);\n  lines.push('');\n  \n  // Create nodes for each pipeline in evaluation order (already sorted by eventId)\n  profile.pipelines.forEach((pipeline) => {\n    const nodeId = `P${pipeline.eventId}`;\n    const duration = pipeline.duration.toFixed(2);\n    const resultSize = pipeline.resultSize !== undefined ? pipeline.resultSize : '?';\n    // Sanitize predicate name for Mermaid\n    const name = pipeline.name.replace(/[<>]/g, '').substring(0, 40);\n    lines.push(`  ${nodeId}[\"${name}<br/>${duration}ms | ${resultSize} results\"]`);\n  });\n  \n  lines.push('');\n  \n  // Add edges from QUERY to root pipelines (those with no dependencies)\n  const rootPipelines = profile.pipelines.filter((p) => p.dependencies.length === 0);\n    \n  rootPipelines.forEach((pipeline) => {\n    lines.push(`  QUERY --> P${pipeline.eventId}`);\n  });\n  \n  lines.push('');\n  \n  // Add edges between pipelines based on dependencies (using eventIds to preserve links)\n  profile.pipelines.forEach((pipeline) => {\n    pipeline.dependencyEventIds.forEach((depEventId) => {\n      const duration = pipeline.duration.toFixed(2);\n      lines.push(`  P${depEventId} -->|\"${duration}ms\"| P${pipeline.eventId}`);\n    });\n  });\n  \n  lines.push('');\n  lines.push('  classDef default fill:#e1f5ff,stroke:#333,stroke-width:2px');\n  lines.push('  classDef query fill:#ffe1e1,stroke:#333,stroke-width:3px');\n  lines.push('  class QUERY query');\n  lines.push('```');\n\n  return lines.join('\\n');\n}\n\n/**\n * Register the profile_codeql_query tool\n */\nexport function registerProfileCodeQLQueryTool(server: McpServer): void {\n  server.tool(\n    'profile_codeql_query',\n    'Profile the performance of a CodeQL query run against a specific database by analyzing the evaluator log JSON file',\n    {\n      query: z.string().describe('Path to the .ql query file'),\n      database: z.string().describe('Path to the CodeQL database directory'),\n      evaluatorLog: z\n        .string()\n        .optional()\n        .describe(\n          'Path to an existing structured JSON log (e.g., evaluator-log.jsonl) file. If not provided, the tool will run the query to generate one.'\n        ),\n      outputDir: z\n        .string()\n        .optional()\n        .describe('Directory to write profiling data files (defaults to same directory as evaluator log)'),\n    },\n    async (params) => {\n      try {\n        const { query, database, evaluatorLog, outputDir } = params;\n        let logPath = evaluatorLog;\n        let bqrsPath: string | undefined;\n        let sarifPath: string | undefined;\n\n        // If evaluator log not provided, run the query to generate one\n        if (!logPath) {\n          logger.info('No evaluator log provided, running query to generate one');\n\n          // Determine output directory\n          const defaultOutputDir = outputDir || join(dirname(query as string), 'profile-output');\n          mkdirSync(defaultOutputDir, { recursive: true });\n\n          logPath = join(defaultOutputDir, 'evaluator-log.jsonl');\n          bqrsPath = join(defaultOutputDir, 'query-results.bqrs');\n          sarifPath = join(defaultOutputDir, 'query-results.sarif');\n\n          // Run query with evaluator logging and tuple counting\n          const queryResult = await executeCodeQLCommand(\n            'query run',\n            {\n              database: database as string,\n              output: bqrsPath,\n              'evaluator-log': logPath,\n              'tuple-counting': true,\n              'evaluator-log-level': 5,\n            },\n            [query as string]\n          );\n\n          if (!queryResult.success) {\n            return {\n              content: [\n                {\n                  type: 'text' as const,\n                  text: `Failed to run query: ${queryResult.stderr || queryResult.error}`,\n                },\n              ],\n              isError: true,\n            };\n          }\n\n          // Generate SARIF interpretation\n          if (existsSync(bqrsPath)) {\n            try {\n              const sarifResult = await executeCodeQLCommand(\n                'bqrs interpret',\n                { format: 'sarif-latest', output: sarifPath },\n                [bqrsPath]\n              );\n\n              if (sarifResult.success) {\n                logger.info(`Generated SARIF interpretation at ${sarifPath}`);\n              }\n            } catch (error) {\n              logger.warn(`Failed to generate SARIF interpretation: ${error}`);\n            }\n          }\n        }\n\n        // Verify evaluator log exists\n        if (!existsSync(logPath)) {\n          return {\n            content: [\n              {\n                type: 'text' as const,\n                text: `Evaluator log not found at: ${logPath}`,\n              },\n            ],\n            isError: true,\n          };\n        }\n\n        // Parse the evaluator log\n        logger.info(`Parsing evaluator log from: ${logPath}`);\n        const profile = parseEvaluatorLog(logPath);\n\n        // Determine output directory for profile\n        const profileOutputDir = outputDir || dirname(logPath);\n        mkdirSync(profileOutputDir, { recursive: true });\n\n        // Write profile JSON file\n        const jsonPath = join(profileOutputDir, 'query-evaluation-profile.json');\n        const jsonContent = formatAsJson(profile);\n        writeFileSync(jsonPath, jsonContent);\n        logger.info(`Profile JSON written to: ${jsonPath}`);\n\n        // Write profile Mermaid diagram file\n        const mdPath = join(profileOutputDir, 'query-evaluation-profile.md');\n        const mdContent = formatAsMermaid(profile);\n        writeFileSync(mdPath, mdContent);\n        logger.info(`Profile Mermaid diagram written to: ${mdPath}`);\n\n        // Build response message\n        const outputFiles: string[] = [\n          `Profile JSON: ${jsonPath}`,\n          `Profile Mermaid: ${mdPath}`,\n          `Evaluator Log: ${logPath}`,\n        ];\n\n        if (bqrsPath) {\n          outputFiles.push(`Query Results (BQRS): ${bqrsPath}`);\n        }\n\n        if (sarifPath && existsSync(sarifPath)) {\n          outputFiles.push(`Query Results (SARIF): ${sarifPath}`);\n        }\n\n        const responseText = [\n          'Query profiling completed successfully!',\n          '',\n          'Output Files:',\n          ...outputFiles.map((f) => `  - ${f}`),\n          '',\n          'Profile Summary:',\n          `  - Query: ${basename(profile.queryName)}`,\n          `  - Total Duration: ${profile.totalDuration.toFixed(2)} ms`,\n          `  - Total Pipelines: ${profile.pipelines.length}`,\n          `  - Total Events: ${profile.totalEvents}`,\n          '',\n          'First 5 Pipeline Nodes (in evaluation order):',\n          ...profile.pipelines.slice(0, 5).map((p, idx) => {\n            return `  ${idx + 1}. ${p.name} (${p.duration.toFixed(2)} ms, ${p.resultSize || '?'} results)`;\n          }),\n        ].join('\\n');\n\n        return {\n          content: [\n            {\n              type: 'text' as const,\n              text: responseText,\n            },\n          ],\n        };\n      } catch (error) {\n        logger.error('Error profiling CodeQL query:', error);\n\n        return {\n          content: [\n            {\n              type: 'text' as const,\n              text: `Failed to profile query: ${error instanceof Error ? error.message : String(error)}`,\n            },\n          ],\n          isError: true,\n        };\n      }\n    }\n  );\n}\n", "/**\n * CodeQL query compile tool\n */\n\nimport { z } from 'zod';\nimport { CLIToolDefinition } from '../../lib/cli-tool-registry';\n\nexport const codeqlQueryCompileTool: CLIToolDefinition = {\n  name: 'codeql_query_compile',\n  description: 'Compile and validate CodeQL queries',\n  command: 'codeql',\n  subcommand: 'query compile',\n  inputSchema: {\n    query: z.string().describe('Path to the CodeQL query file (.ql)'),\n    database: z.string().optional().describe('Path to the CodeQL database'),\n    library: z.string().optional().describe('Path to query library'),\n    output: z.string().optional().describe('Output file path'),\n    warnings: z.enum(['hide', 'show', 'error']).optional()\n      .describe('How to handle compilation warnings'),\n    verbose: z.boolean().optional().describe('Enable verbose output'),\n    additionalArgs: z.array(z.string()).optional().describe('Additional command-line arguments')\n  },\n  examples: [\n    'codeql query compile --database=/path/to/db MyQuery.ql',\n    'codeql query compile --library=/path/to/lib --output=compiled.qlo MyQuery.ql'\n  ]\n};", "/**\n * CodeQL query format tool\n */\n\nimport { z } from 'zod';\nimport { CLIToolDefinition, createCodeQLSchemas, defaultCLIResultProcessor, CLIExecutionResult } from '../../lib/cli-tool-registry';\n\n/**\n * Custom result processor for codeql query format tool\n * Exit code 1 with --check-only means \"file would change\" - this is success for format checking\n */\nfunction formatResultProcessor(result: CLIExecutionResult, params: Record<string, unknown>): string {\n  const isCheckOnly = params['check-only'];\n  const hasFormatChanges = result.exitCode === 1;\n  \n  if (isCheckOnly && hasFormatChanges) {\n    // Mark as success for the CLI tool registry since detecting format changes is the intended behavior\n    result.success = true;\n    return result.stdout || result.stderr || 'File would change by autoformatting.';\n  }\n  \n  return defaultCLIResultProcessor(result, params);\n}\n\nexport const codeqlQueryFormatTool: CLIToolDefinition = {\n  name: 'codeql_query_format',\n  description: 'Automatically format CodeQL source code files',\n  command: 'codeql',\n  subcommand: 'query format',\n  inputSchema: {\n    files: z.array(z.string()).describe('One or more .ql or .qll source files to format'),\n    output: z.string().optional().describe('Write formatted code to this file instead of stdout'),\n    'in-place': z.boolean().optional().describe('Overwrite each input file with formatted version'),\n    'check-only': z.boolean().optional().describe('Check formatting without writing output'),\n    backup: z.string().optional().describe('Backup extension when overwriting existing files'),\n    'no-syntax-errors': z.boolean().optional().describe('Ignore syntax errors and pretend file is formatted'),\n    verbose: createCodeQLSchemas.verbose(),\n    additionalArgs: createCodeQLSchemas.additionalArgs()\n  },\n  examples: [\n    'codeql query format -i -- ExampleQuery.ql',\n    'codeql query format --in-place -- queries/*.ql',\n    'codeql query format --check-only -- queries/*.ql'\n  ],\n  resultProcessor: formatResultProcessor\n};", "/**\n * CodeQL query run tool\n */\n\nimport { z } from 'zod';\nimport { CLIToolDefinition, createCodeQLSchemas } from '../../lib/cli-tool-registry';\n\nexport const codeqlQueryRunTool: CLIToolDefinition = {\n  name: 'codeql_query_run',\n  description: 'Execute a CodeQL query against a database. Use either \"query\" parameter for direct file path OR \"queryName\" + \"queryLanguage\" for pre-defined tool queries.',\n  command: 'codeql',\n  subcommand: 'query run',\n  inputSchema: {\n    query: z.string().optional().describe('Path to the CodeQL query file (.ql) - cannot be used with queryName'),\n    queryName: z.string().optional().describe('Name of pre-defined query to run (e.g., \"PrintAST\", \"CallGraphFrom\", \"CallGraphTo\") - requires queryLanguage'),\n    queryLanguage: z.string().optional().describe('Programming language for tools queries (e.g., \"javascript\", \"java\", \"python\") - required when using queryName'),\n    queryPack: z.string().optional().describe('Query pack path (defaults to server/ql/<language>/tools/src/ for tool queries)'),\n    sourceFiles: z.string().optional().describe('Comma-separated list of source file paths for PrintAST queries (e.g., \"src/main.js,src/utils.js\" or just \"main.js\")'),\n    sourceFunction: z.string().optional().describe('Comma-separated list of source function names for CallGraphFrom queries (e.g., \"main,processData\")'),\n    targetFunction: z.string().optional().describe('Comma-separated list of target function names for CallGraphTo queries (e.g., \"helper,validateInput\")'),\n    database: createCodeQLSchemas.database(),\n    output: createCodeQLSchemas.output(),\n    external: z.array(z.string()).optional()\n      .describe('External predicate data: predicate=file.csv'),\n    timeout: createCodeQLSchemas.timeout(),\n    logDir: z.string().optional()\n      .describe('Custom directory for query execution logs (overrides CODEQL_QUERY_LOG_DIR environment variable). If not provided, uses CODEQL_QUERY_LOG_DIR or defaults to .tmp/query-logs/<unique-id>'),\n    'evaluator-log': z.string().optional().describe('Path to save evaluator log (deprecated: use logDir instead)'),\n    'evaluator-log-minify': z.boolean().optional()\n      .describe('Minimize evaluator log for smaller size'),\n    'evaluator-log-level': z.number().min(1).max(5).optional()\n      .describe('Evaluator log verbosity level (1-5, default 5)'),\n    'tuple-counting': z.boolean().optional()\n      .describe('Display tuple counts for each evaluation step in evaluator logs'),\n    format: z.enum(['sarif-latest', 'sarifv2.1.0', 'csv', 'graphtext', 'dgml', 'dot']).optional()\n      .describe('Output format for query results via codeql bqrs interpret. Defaults to sarif-latest for @kind problem/path-problem queries, graphtext for @kind graph queries. Graph formats (graphtext, dgml, dot) only work with @kind graph queries.'),\n    interpretedOutput: z.string().optional()\n      .describe('Output file for interpreted results (e.g., results.sarif, results.txt). If not provided, defaults based on format: .sarif for SARIF, .txt for graphtext/csv, .dgml for dgml, .dot for dot'),\n    evaluationFunction: z.string().optional()\n      .describe('[DEPRECATED - use format parameter instead] Built-in function for query results evaluation (e.g., \"mermaid-graph\", \"json-decode\", \"csv-decode\") or path to custom evaluation script'),\n    evaluationOutput: z.string().optional()\n      .describe('[DEPRECATED - use interpretedOutput parameter instead] Output file for evaluation results'),\n    verbose: createCodeQLSchemas.verbose(),\n    additionalArgs: createCodeQLSchemas.additionalArgs()\n  },\n  examples: [\n    'codeql query run --database=mydb --output=results.bqrs MyQuery.ql',\n    'codeql query run --database=mydb --query-name=PrintAST --query-language=javascript --source-files=src/index.js --output=results.bqrs --format=graphtext --interpreted-output=results.txt',\n    'codeql query run --database=mydb --external=data=input.csv --output=results.bqrs MyQuery.ql --format=sarif-latest --interpreted-output=results.sarif',\n    'codeql query run --database=mydb --evaluator-log=eval.log --tuple-counting --evaluator-log-level=5 --output=results.bqrs MyQuery.ql',\n    'codeql query run --database=mydb --query-name=PrintAST --query-language=javascript --source-files=\"main.js,utils.js\" --format=graphtext',\n    'codeql query run --database=mydb --log-dir=/custom/log/path --tuple-counting --output=results.bqrs MyQuery.ql'\n  ]\n};", "/**\n * CodeQL quick evaluate tool\n * \n * Inspired by JordyZomer/codeql-mcp repository:\n * - https://github.com/JordyZomer/codeql-mcp/blob/main/server.py\n * - https://github.com/JordyZomer/codeql-mcp/blob/main/codeqlclient.py\n */\n\nimport { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';\nimport { z } from 'zod';\nimport { join, resolve } from 'path';\nimport { findClassPosition } from './find-class-position';\nimport { findPredicatePosition } from './find-predicate-position';\nimport { logger } from '../../utils/logger';\nimport { getProjectTmpDir } from '../../utils/temp-dir';\n\nexport interface QuickEvaluateParams {\n  file: string;\n  db: string;\n  symbol: string;\n  output_path?: string;\n}\n\n/**\n * Quick evaluate either a class or a predicate in a CodeQL query.\n * This allows debugging a select portion of QL code without running the whole query.\n */\nexport async function quickEvaluate({\n  file,\n  db: _db,\n  symbol,\n  output_path\n}: QuickEvaluateParams): Promise<string> {\n  try {\n    // Try to find as a class first, then as a predicate\n    try {\n      await findClassPosition(file, symbol);\n    } catch {\n      try {\n        await findPredicatePosition(file, symbol);\n      } catch {\n        throw new Error(`Symbol '${symbol}' not found as class or predicate in file: ${file}`);\n      }\n    }\n    \n    const resolvedOutput = resolve(output_path || join(getProjectTmpDir('quickeval'), 'quickeval.bqrs'));\n    \n    // For now, return the resolved output path\n    // In a full implementation, this would use the CodeQL CLI or query server\n    // to perform the actual quick evaluation with the position parameters\n    return resolvedOutput;\n  } catch (error) {\n    throw new Error(`CodeQL evaluation failed: ${error instanceof Error ? error.message : 'Unknown error'}`);\n  }\n}\n\n/**\n * Register the quick evaluate tool with the MCP server\n */\nexport function registerQuickEvaluateTool(server: McpServer): void {\n  server.tool(\n    'quick_evaluate',\n    'Quick evaluate either a class or a predicate in a CodeQL query for debugging',\n    {\n      file: z.string().describe('Path to the .ql file containing the symbol'),\n      db: z.string().describe('Path to the CodeQL database'),\n      symbol: z.string().describe('Name of the class or predicate to evaluate'),\n      output_path: z.string().optional().describe('Output path for results (defaults to project-local .tmp/quickeval/)'),\n    },\n    async ({ file, db, symbol, output_path }) => {\n      try {\n        const result = await quickEvaluate({ file, db, symbol, output_path });\n        return {\n          content: [{ type: 'text', text: result }],\n        };\n      } catch (error) {\n        logger.error('Error in quick evaluate:', error);\n        return {\n          content: [\n            {\n              type: 'text',\n              text: `Error: ${error instanceof Error ? error.message : 'Unknown error'}`,\n            },\n          ],\n          isError: true,\n        };\n      }\n    }\n  );\n}", "/**\n * CodeQL register database tool\n * \n * Inspired by JordyZomer/codeql-mcp repository:\n * - https://github.com/JordyZomer/codeql-mcp/blob/main/server.py\n * - https://github.com/JordyZomer/codeql-mcp/blob/main/codeqlclient.py\n */\n\nimport { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';\nimport { z } from 'zod';\nimport { access, constants } from 'fs/promises';\nimport { resolve } from 'path';\nimport { logger } from '../../utils/logger';\n\nexport interface DatabaseRegistration {\n  uri: string;\n  content: {\n    sourceArchiveZip: string;\n    dbDir: string;\n  };\n}\n\n/**\n * Register a CodeQL database given a local path to the database directory.\n * Validates that the database exists and has required structure.\n * Supports both full databases (with src.zip) and test databases (with src/ folder).\n */\nexport async function registerDatabase(dbPath: string): Promise<string> {\n  try {\n    const resolvedPath = resolve(dbPath);\n    \n    // Check if database directory exists\n    await access(resolvedPath, constants.F_OK);\n    \n    // Check for codeql-database.yml (required for all CodeQL databases)\n    const dbYmlPath = resolve(resolvedPath, 'codeql-database.yml');\n    await access(dbYmlPath, constants.F_OK);\n    \n    // Check if src.zip exists (for full databases) OR src/ directory exists (for test databases)\n    const srcZipPath = resolve(resolvedPath, 'src.zip');\n    const srcDirPath = resolve(resolvedPath, 'src');\n    \n    let hasSrcZip = false;\n    let hasSrcDir = false;\n    \n    try {\n      await access(srcZipPath, constants.F_OK);\n      hasSrcZip = true;\n    } catch {\n      // src.zip not found, check for src/ directory\n    }\n    \n    if (!hasSrcZip) {\n      try {\n        await access(srcDirPath, constants.F_OK);\n        hasSrcDir = true;\n      } catch {\n        // src directory not found either\n      }\n    }\n    \n    if (!hasSrcZip && !hasSrcDir) {\n      throw new Error(`Missing required source archive (src.zip) or source directory (src/) in: ${dbPath}`);\n    }\n    \n    // For now, we just validate and return success message\n    // In a full implementation, this would register with a query server\n    const sourceType = hasSrcZip ? 'src.zip' : 'src/';\n    return `Database registered: ${dbPath} (source: ${sourceType})`;\n  } catch (error) {\n    if (error instanceof Error) {\n      const errorCode = (error as { code?: string }).code;\n      if (errorCode === 'ENOENT') {\n        if (error.message.includes('codeql-database.yml')) {\n          throw new Error(`Missing required codeql-database.yml in: ${dbPath}`);\n        }\n        throw new Error(`Database path does not exist: ${dbPath}`);\n      }\n      if (errorCode === 'EACCES') {\n        throw new Error(`Database path does not exist: ${dbPath}`);\n      }\n    }\n    throw new Error(`Failed to register database: ${error instanceof Error ? error.message : 'Unknown error'}`);\n  }\n}\n\n/**\n * Register the register database tool with the MCP server\n */\nexport function registerRegisterDatabaseTool(server: McpServer): void {\n  server.tool(\n    'register_database',\n    'Register a CodeQL database given a local path to the database directory',\n    {\n      db_path: z.string().describe('Path to the CodeQL database directory'),\n    },\n    async ({ db_path }) => {\n      try {\n        const result = await registerDatabase(db_path);\n        return {\n          content: [{ type: 'text', text: result }],\n        };\n      } catch (error) {\n        logger.error('Error registering database:', error);\n        return {\n          content: [\n            {\n              type: 'text',\n              text: `Error: ${error instanceof Error ? error.message : 'Unknown error'}`,\n            },\n          ],\n          isError: true,\n        };\n      }\n    }\n  );\n}", "/**\n * CodeQL resolve database tool\n */\n\nimport { z } from 'zod';\nimport { CLIToolDefinition, createCodeQLSchemas, defaultCLIResultProcessor } from '../../lib/cli-tool-registry';\n\nexport const codeqlResolveDatabaseTool: CLIToolDefinition = {\n  name: 'codeql_resolve_database',\n  description: 'Resolve database path and validate database structure',\n  command: 'codeql',\n  subcommand: 'resolve database',\n  inputSchema: {\n    database: z.string().describe('Database path to resolve'),\n    format: z.enum(['text', 'json', 'betterjson']).optional()\n      .describe('Output format for database information'),\n    verbose: createCodeQLSchemas.verbose(),\n    additionalArgs: createCodeQLSchemas.additionalArgs()\n  },\n  examples: [\n    'codeql resolve database -- /path/to/database',\n    'codeql resolve database --format=json -- my-database',\n    'codeql resolve database --format=betterjson -- database-dir'\n  ],\n  resultProcessor: defaultCLIResultProcessor\n};", "/**\n * CodeQL resolve languages tool\n */\n\nimport { z } from 'zod';\nimport { CLIToolDefinition, defaultCLIResultProcessor } from '../../lib/cli-tool-registry';\n\nexport const codeqlResolveLanguagesTool: CLIToolDefinition = {\n  name: 'codeql_resolve_languages',\n  description: 'List installed CodeQL extractor packs',\n  command: 'codeql',\n  subcommand: 'resolve languages',\n  inputSchema: {\n    format: z.enum(['text', 'json', 'betterjson']).optional()\n      .describe('Output format for language information'),\n    verbose: z.boolean().optional().describe('Enable verbose output'),\n    additionalArgs: z.array(z.string()).optional().describe('Additional command-line arguments')\n  },\n  examples: [\n    'codeql resolve languages --format=text',\n    'codeql resolve languages --format=json',\n    'codeql resolve languages --format=betterjson'\n  ],\n  resultProcessor: defaultCLIResultProcessor\n};", "/**\n * CodeQL resolve library-path tool\n */\n\nimport { z } from 'zod';\nimport { CLIToolDefinition, defaultCLIResultProcessor } from '../../lib/cli-tool-registry';\n\nexport const codeqlResolveLibraryPathTool: CLIToolDefinition = {\n  name: 'codeql_resolve_library-path',\n  description: 'Resolve library path for CodeQL queries and libraries',\n  command: 'codeql',\n  subcommand: 'resolve library-path',\n  inputSchema: {\n    language: z.string().optional().describe('Programming language to resolve library path for'),\n    format: z.enum(['text', 'json', 'betterjson']).optional()\n      .describe('Output format for library path information'),\n    verbose: z.boolean().optional().describe('Enable verbose output'),\n    additionalArgs: z.array(z.string()).optional().describe('Additional command-line arguments')\n  },\n  examples: [\n    'codeql resolve library-path --language=java',\n    'codeql resolve library-path --format=json --language=python',\n    'codeql resolve library-path --format=betterjson'\n  ],\n  resultProcessor: defaultCLIResultProcessor\n};", "/**\n * CodeQL resolve metadata tool\n */\n\nimport { z } from 'zod';\nimport { CLIToolDefinition, defaultCLIResultProcessor } from '../../lib/cli-tool-registry';\n\nexport const codeqlResolveMetadataTool: CLIToolDefinition = {\n  name: 'codeql_resolve_metadata',\n  description: 'Resolve and return the key-value metadata pairs from a CodeQL query source file.',\n  command: 'codeql',\n  subcommand: 'resolve metadata',\n  inputSchema: {\n    query: z.string().describe('Query file to resolve metadata for'),\n    format: z.enum(['json']).optional()\n      .describe('Output format for metadata information (always JSON, optional for future compatibility)'),\n    verbose: z.boolean().optional().describe('Enable verbose output'),\n    additionalArgs: z.array(z.string()).optional().describe('Additional command-line arguments')\n  },\n  examples: [\n    'codeql resolve metadata -- relative-path/2/MyQuery.ql',\n    'codeql resolve metadata --format=json -- /absolute-plus/relative-path/2/MyQuery.ql'\n  ],\n  resultProcessor: defaultCLIResultProcessor\n};", "/**\n * CodeQL resolve qlref tool\n */\n\nimport { z } from 'zod';\nimport { CLIToolDefinition, createCodeQLSchemas, defaultCLIResultProcessor } from '../../lib/cli-tool-registry';\n\nexport const codeqlResolveQlrefTool: CLIToolDefinition = {\n  name: 'codeql_resolve_qlref',\n  description: 'Resolve qlref files to their corresponding query files',\n  command: 'codeql',\n  subcommand: 'resolve qlref',\n  inputSchema: {\n    qlref: z.string().describe('Path to the .qlref file to resolve'),\n    format: z.enum(['text', 'json', 'betterjson']).optional()\n      .describe('Output format for qlref resolution'),\n    verbose: createCodeQLSchemas.verbose(),\n    additionalArgs: createCodeQLSchemas.additionalArgs()\n  },\n  examples: [\n    'codeql resolve qlref -- test/MyQuery.qlref',\n    'codeql resolve qlref --format=json -- test/MyQuery.qlref',\n    'codeql resolve qlref --format=betterjson -- test/MyQuery.qlref'\n  ],\n  resultProcessor: defaultCLIResultProcessor\n};", "/**\n * CodeQL resolve queries tool\n */\n\nimport { z } from 'zod';\nimport { CLIToolDefinition, createCodeQLSchemas, CLIExecutionResult } from '../../lib/cli-tool-registry';\n\n/**\n * Result processor that only returns stdout for JSON formats\n * This prevents warnings/info from stderr from corrupting JSON output\n */\nconst jsonOnlyResultProcessor = (\n  result: CLIExecutionResult,\n  params: Record<string, unknown>\n): string => {\n  if (!result.success) {\n    return `Command failed (exit code ${result.exitCode || 'unknown'}):\\n${result.error || result.stderr}`;\n  }\n\n  // For JSON formats (including bylanguage), only return stdout to avoid mixing warnings with JSON\n  if (params.format === 'json' || params.format === 'betterjson' || params.format === 'bylanguage') {\n    return result.stdout || '[]';\n  }\n\n  // For text format, include warnings\n  let output = '';\n\n  if (result.stdout) {\n    output += result.stdout;\n  }\n\n  if (result.stderr) {\n    if (output) {\n      output += '\\n\\nWarnings/Info:\\n';\n    }\n    output += result.stderr;\n  }\n\n  if (!output) {\n    output = 'Command executed successfully (no output)';\n  }\n\n  return output;\n};\n\nexport const codeqlResolveQueriesTool: CLIToolDefinition = {\n  name: 'codeql_resolve_queries',\n  description: 'List available CodeQL queries found on the local filesystem',\n  command: 'codeql',\n  subcommand: 'resolve queries',\n  inputSchema: {\n    directory: z.string().optional().describe('Directory to search for queries'),\n    language: z.string().optional().describe('Filter queries by programming language'),\n    format: z.enum(['text', 'json', 'betterjson', 'bylanguage']).optional()\n      .describe('Output format for query list'),\n    'additional-packs': z.union([z.string(), z.array(z.string())]).optional()\n      .describe('Additional pack directories to search for CodeQL packs'),\n    verbose: createCodeQLSchemas.verbose(),\n    additionalArgs: createCodeQLSchemas.additionalArgs()\n  },\n  examples: [\n    'codeql resolve queries',\n    'codeql resolve queries --language=java --format=json',\n    'codeql resolve queries --format=betterjson -- /path/to/queries',\n    'codeql resolve queries --additional-packs=/path/to/packs codeql/java-queries'\n  ],\n  resultProcessor: jsonOnlyResultProcessor\n};", "/**\n * CodeQL resolve tests tool\n */\n\nimport { z } from 'zod';\nimport { CLIToolDefinition, createCodeQLSchemas, defaultCLIResultProcessor } from '../../lib/cli-tool-registry';\n\nexport const codeqlResolveTestsTool: CLIToolDefinition = {\n  name: 'codeql_resolve_tests',\n  description: 'Resolve the local filesystem paths of unit tests and/or queries under some base directory',\n  command: 'codeql',\n  subcommand: 'resolve tests',\n  inputSchema: {\n    tests: z.array(z.string()).optional().describe('One or more tests (.ql, .qlref files, or test directories)'),\n    format: z.enum(['text', 'json']).optional()\n      .describe('Output format for test list'),\n    verbose: createCodeQLSchemas.verbose(),\n    additionalArgs: createCodeQLSchemas.additionalArgs()\n  },\n  examples: [\n    'codeql resolve tests',\n    'codeql resolve tests --format=json -- test-directory',\n    'codeql resolve tests --format=json -- test1.ql test2.ql'\n  ],\n  resultProcessor: defaultCLIResultProcessor\n};", "/**\n * CodeQL test accept tool\n */\n\nimport { z } from 'zod';\nimport { CLIToolDefinition, createCodeQLSchemas, defaultCLIResultProcessor } from '../../lib/cli-tool-registry';\n\nexport const codeqlTestAcceptTool: CLIToolDefinition = {\n  name: 'codeql_test_accept',\n  description: 'Accept new test results as the expected baseline',\n  command: 'codeql',\n  subcommand: 'test accept',\n  inputSchema: {\n    tests: z.array(z.string()).describe('One or more tests (.ql, .qlref files, or test directories)'),\n    verbose: createCodeQLSchemas.verbose(),\n    additionalArgs: createCodeQLSchemas.additionalArgs()\n  },\n  examples: [\n    'codeql test accept -- languages/java/test/MyQuery/MyQuery.qlref',\n    'codeql test accept -- languages/java/test/MyQuery/',\n    'codeql test accept -- languages/java/src/MyQuery/MyQuery.ql'\n  ],\n  resultProcessor: defaultCLIResultProcessor\n};", "/**\n * CodeQL test extract tool\n */\n\nimport { z } from 'zod';\nimport { CLIToolDefinition, createCodeQLSchemas, defaultCLIResultProcessor } from '../../lib/cli-tool-registry';\n\nexport const codeqlTestExtractTool: CLIToolDefinition = {\n  name: 'codeql_test_extract',\n  description: 'Extract test databases for CodeQL query tests',\n  command: 'codeql',\n  subcommand: 'test extract',\n  inputSchema: {\n    tests: z.array(z.string()).describe('One or more test directories or files'),\n    language: z.string().optional().describe('Programming language for extraction'),\n    threads: createCodeQLSchemas.threads(),\n    ram: createCodeQLSchemas.ram(),\n    verbose: createCodeQLSchemas.verbose(),\n    additionalArgs: createCodeQLSchemas.additionalArgs()\n  },\n  examples: [\n    'codeql test extract -- languages/java/test/MyQuery/',\n    'codeql test extract --language=java --threads=4 -- test-directory',\n    'codeql test extract --threads=2 --ram=2048 -- multiple/test/directories'\n  ],\n  resultProcessor: defaultCLIResultProcessor\n};", "/**\n * CodeQL test run tool\n */\n\nimport { CLIToolDefinition, createCodeQLSchemas } from '../../lib/cli-tool-registry';\nimport { z } from 'zod';\n\nexport const codeqlTestRunTool: CLIToolDefinition = {\n  name: 'codeql_test_run',\n  description: 'Run CodeQL query tests',\n  command: 'codeql',\n  subcommand: 'test run',\n  inputSchema: {\n    tests: z.array(z.string()).describe('One or more tests (.ql, .qlref files, or test directories)'),\n    'show-extractor-output': z.boolean().optional()\n      .describe('Show output from extractors during test execution'),\n    'keep-databases': z.boolean().optional()\n      .describe('Keep test databases after running tests'),\n    'learn': z.boolean().optional()\n      .describe('Accept current output as expected for failing tests'),\n    logDir: z.string().optional()\n      .describe('Custom directory for test execution logs (overrides CODEQL_QUERY_LOG_DIR environment variable). If not provided, uses CODEQL_QUERY_LOG_DIR or defaults to .tmp/query-logs/<unique-id>'),\n    threads: createCodeQLSchemas.threads(),\n    ram: createCodeQLSchemas.ram(),\n    verbose: createCodeQLSchemas.verbose(),\n    additionalArgs: createCodeQLSchemas.additionalArgs()\n  },\n  examples: [\n    'codeql test run /path/to/tests',\n    'codeql test run --learn /path/to/failing/tests',\n    'codeql test run --threads=4 --keep-databases /path/to/tests',\n    'codeql test run --log-dir=/custom/log/path /path/to/tests'\n  ]\n};", "/**\n * CodeQL tools registration for MCP server\n * Includes both high-level helpers and CLI command wrappers\n */\n\nimport { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';\nimport { z } from 'zod';\nimport { validateCodeQLSyntax } from '../lib/validation';\nimport { createCodeQLQuery } from '../lib/query-scaffolding';\nimport { registerCLITool } from '../lib/cli-tool-registry';\nimport {\n  codeqlBqrsDecodeTool,\n  codeqlBqrsInfoTool,\n  codeqlBqrsInterpretTool,\n  codeqlDatabaseAnalyzeTool,\n  codeqlDatabaseCreateTool,\n  codeqlGenerateLogSummaryTool,\n  codeqlGenerateQueryHelpTool,\n  codeqlPackInstallTool,\n  codeqlPackLsTool,\n  codeqlQueryCompileTool,\n  codeqlQueryFormatTool,\n  codeqlQueryRunTool,\n  codeqlResolveDatabaseTool,\n  codeqlResolveLanguagesTool,\n  codeqlResolveLibraryPathTool,\n  codeqlResolveMetadataTool,\n  codeqlResolveQlrefTool,\n  codeqlResolveQueriesTool,\n  codeqlResolveTestsTool,\n  codeqlTestAcceptTool,\n  codeqlTestExtractTool,\n  codeqlTestRunTool,\n  registerFindClassPositionTool,\n  registerFindCodeQLQueryFilesTool,\n  registerFindPredicatePositionTool,\n  registerProfileCodeQLQueryTool,\n  registerQuickEvaluateTool,\n  registerRegisterDatabaseTool\n} from './codeql';\nimport { logger } from '../utils/logger';\n\n/**\n * Register all CodeQL tools with the MCP server\n */\nexport function registerCodeQLTools(server: McpServer): void {\n  // Register high-level helper tools\n  \n  // Tool: Validate CodeQL Query (heuristic-based)\n  server.tool(\n    'validate_codeql_query',\n    'Quick heuristic validation for CodeQL query structure - checks for common patterns like from/where/select clauses and metadata presence. Does NOT compile the query. For authoritative validation with actual compilation, use codeql_lsp_diagnostics instead.',\n    {\n      query: z.string().describe('The CodeQL query to validate'),\n      language: z.string().optional().describe('Target programming language'),\n    },\n    async ({ query, language }) => {\n      try {\n        const validation = validateCodeQLSyntax(query, language);\n        return {\n          content: [{ type: 'text', text: JSON.stringify(validation, null, 2) }],\n        };\n      } catch (error) {\n        logger.error('Error validating CodeQL query:', error);\n        return {\n          content: [\n            {\n              type: 'text',\n              text: `Error: ${error instanceof Error ? error.message : 'Unknown error'}`,\n            },\n          ],\n          isError: true,\n        };\n      }\n    }\n  );\n\n  // Tool: Create CodeQL Query\n  server.tool(\n    'create_codeql_query',\n    'Create directory structure and files for a new CodeQL query with tests',\n    {\n      basePath: z.string().describe('Base path where src/ and test/ directories will be created'),\n      queryName: z.string().describe('Name of the query (e.g., MySecurityQuery)'),\n      language: z.string().describe('Target programming language (e.g., javascript, python, java)'),\n      description: z.string().optional().describe('Description of what the query does'),\n      queryId: z.string().optional().describe('Custom query ID (defaults to language/example/queryname)'),\n    },\n    async ({ basePath, queryName, language, description, queryId }) => {\n      try {\n        const result = createCodeQLQuery({\n          basePath,\n          queryName,\n          language,\n          description,\n          queryId\n        });\n        \n        const summary = {\n          success: true,\n          queryPath: result.queryPath,\n          testPath: result.testPath,\n          qlrefPath: result.qlrefPath,\n          testCodePath: result.testCodePath,\n          filesCreated: result.filesCreated,\n          nextSteps: [\n            'Review and customize the generated query in: ' + result.queryPath,\n            'Add test cases to: ' + result.testCodePath,\n            'Run codeql_pack_install to install dependencies',\n            'Run codeql_test_extract to create test database',\n            'Run codeql_test_run to execute tests'\n          ]\n        };\n        \n        return {\n          content: [{ type: 'text', text: JSON.stringify(summary, null, 2) }],\n        };\n      } catch (error) {\n        logger.error('Error creating CodeQL query:', error);\n        return {\n          content: [\n            {\n              type: 'text',\n              text: `Error: ${error instanceof Error ? error.message : 'Unknown error'}`,\n            },\n          ],\n          isError: true,\n        };\n      }\n    }\n  );\n\n  // Register CLI tools (alphabetically by tool name)\n  registerCLITool(server, codeqlBqrsDecodeTool);\n  registerCLITool(server, codeqlBqrsInfoTool);\n  registerCLITool(server, codeqlBqrsInterpretTool);\n  registerCLITool(server, codeqlDatabaseAnalyzeTool);\n  registerCLITool(server, codeqlDatabaseCreateTool);\n  registerCLITool(server, codeqlGenerateLogSummaryTool);\n  registerCLITool(server, codeqlGenerateQueryHelpTool);\n  registerCLITool(server, codeqlPackInstallTool);\n  registerCLITool(server, codeqlPackLsTool);\n  registerCLITool(server, codeqlQueryCompileTool);\n  registerCLITool(server, codeqlQueryFormatTool);\n  registerCLITool(server, codeqlQueryRunTool);\n  registerCLITool(server, codeqlResolveDatabaseTool);\n  registerCLITool(server, codeqlResolveLanguagesTool);\n  registerCLITool(server, codeqlResolveLibraryPathTool);\n  registerCLITool(server, codeqlResolveMetadataTool);\n  registerCLITool(server, codeqlResolveQlrefTool);\n  registerCLITool(server, codeqlResolveQueriesTool);\n  registerCLITool(server, codeqlResolveTestsTool);\n  registerCLITool(server, codeqlTestAcceptTool);\n  registerCLITool(server, codeqlTestExtractTool);\n  registerCLITool(server, codeqlTestRunTool);\n\n  // Register new MCP tools (inspired by JordyZomer/codeql-mcp repository)\n  registerFindClassPositionTool(server);\n  registerFindCodeQLQueryFilesTool(server);\n  registerFindPredicatePositionTool(server);\n  registerProfileCodeQLQueryTool(server);\n  registerQuickEvaluateTool(server);\n  registerRegisterDatabaseTool(server);\n}\n", "/**\n * CodeQL query validation utilities\n */\n\nimport { resolve, normalize, isAbsolute, relative } from 'path';\n\nexport interface CodeQLValidationResult {\n  isValid: boolean;\n  errors: string[];\n  warnings: string[];\n  suggestions: string[];\n}\n\n/**\n * Validates CodeQL query syntax and structure\n */\nexport function validateCodeQLSyntax(query: string, _language?: string): CodeQLValidationResult {\n  const validation: CodeQLValidationResult = {\n    isValid: true,\n    errors: [],\n    warnings: [],\n    suggestions: [],\n  };\n\n  if (!query.trim()) {\n    validation.isValid = false;\n    validation.errors.push('Query cannot be empty');\n    return validation;\n  }\n\n  if (!query.includes('from') && !query.includes('select')) {\n    validation.warnings.push('Query should typically include \"from\" and \"select\" clauses');\n  }\n\n  if (!query.includes('@name') && !query.includes('@description')) {\n    validation.suggestions.push('Consider adding @name and @description metadata');\n  }\n\n  return validation;\n}\n\n/**\n * Validates a file path to prevent path traversal attacks\n * @param filePath - The file path to validate\n * @param workspaceRoot - Optional workspace root directory. If not provided, allows any absolute path but still blocks traversal attempts\n * @returns The validated absolute path\n * @throws Error if the path contains path traversal sequences\n */\nexport function validateFilePath(filePath: string, workspaceRoot?: string): string {\n  // Normalize the path to resolve any . or .. segments\n  const normalizedPath = normalize(filePath);\n  \n  // Check for path traversal attempts in the normalized path\n  // This blocks paths like \"../../../etc/passwd\" even after normalization\n  if (normalizedPath.includes('..')) {\n    throw new Error(`Invalid file path: path traversal detected in \"${filePath}\"`);\n  }\n  \n  // Resolve to absolute path\n  const absolutePath = isAbsolute(normalizedPath) \n    ? normalizedPath \n    : resolve(workspaceRoot || process.cwd(), normalizedPath);\n  \n  // If workspace root is specified, ensure the resolved path is within it\n  if (workspaceRoot) {\n    const relativePath = relative(workspaceRoot, absolutePath);\n    \n    // If relative path starts with .. or is absolute, it's outside workspace\n    if (relativePath.startsWith('..') || isAbsolute(relativePath)) {\n      throw new Error(`Invalid file path: \"${filePath}\" is outside the workspace root`);\n    }\n  }\n  \n  return absolutePath;\n}", "/**\n * CodeQL query scaffolding utilities\n * Handles creation of query directory structure and files\n */\n\nimport * as fs from 'fs';\nimport * as path from 'path';\n\nexport interface QueryScaffoldingOptions {\n  basePath: string;\n  queryName: string;\n  language: string;\n  description?: string;\n  queryId?: string;\n}\n\nexport interface QueryScaffoldingResult {\n  queryPath: string;\n  testPath: string;\n  qlrefPath: string;\n  testCodePath: string;\n  filesCreated: string[];\n}\n\n/**\n * Get the file extension for test code based on language\n */\nfunction getLanguageExtension(language: string): string {\n  const extensions: Record<string, string> = {\n    javascript: 'js',\n    typescript: 'ts',\n    python: 'py',\n    java: 'java',\n    csharp: 'cs',\n    cpp: 'cpp',\n    go: 'go',\n    ruby: 'rb',\n    actions: 'yml'\n  };\n  return extensions[language.toLowerCase()] || 'txt';\n}\n\n/**\n * Generate query template content\n */\nfunction generateQueryTemplate(\n  queryName: string,\n  language: string,\n  description?: string,\n  queryId?: string\n): string {\n  const desc = description || `${queryName} query`;\n  const id = queryId || `${language}/example/${queryName.toLowerCase()}`;\n  \n  return `/**\n * @id ${id}\n * @name ${queryName}\n * @description ${desc}\n * @kind problem\n * @precision medium\n * @problem.severity warning\n */\n\nimport ${language}\n\n// TODO: Implement query logic\nfrom File f\nwhere f.getBaseName() = \"${queryName}.${getLanguageExtension(language)}\"\nselect f, \"TODO: Add query logic\"\n`;\n}\n\n/**\n * Create the directory structure and files for a new CodeQL query\n */\nexport function createCodeQLQuery(options: QueryScaffoldingOptions): QueryScaffoldingResult {\n  const { basePath, queryName, language, description, queryId } = options;\n  \n  // Resolve absolute paths\n  const absoluteBasePath = path.resolve(basePath);\n  \n  // Define paths with intermediate directory\n  const srcDir = path.join(absoluteBasePath, 'src', queryName);\n  const testDir = path.join(absoluteBasePath, 'test', queryName);\n  \n  const queryPath = path.join(srcDir, `${queryName}.ql`);\n  const qlrefPath = path.join(testDir, `${queryName}.qlref`);\n  const testCodePath = path.join(testDir, `${queryName}.${getLanguageExtension(language)}`);\n  \n  const filesCreated: string[] = [];\n  \n  try {\n    // Create directories (recursive: true is a no-op if they already exist)\n    fs.mkdirSync(srcDir, { recursive: true });\n    fs.mkdirSync(testDir, { recursive: true });\n    \n    // Create files atomically using 'wx' flag (exclusive create) to avoid\n    // TOCTOU race between existsSync check and writeFileSync (CWE-367).\n    // The 'wx' flag fails with EEXIST if the file already exists.\n    try {\n      const queryContent = generateQueryTemplate(queryName, language, description, queryId);\n      fs.writeFileSync(queryPath, queryContent, { encoding: 'utf8', flag: 'wx' });\n      filesCreated.push(queryPath);\n    } catch (e: unknown) {\n      const err = e as { code?: string };\n      if (err.code !== 'EEXIST') throw e;\n    }\n    \n    try {\n      const qlrefContent = `${queryName}/${queryName}.ql\\n`;\n      fs.writeFileSync(qlrefPath, qlrefContent, { encoding: 'utf8', flag: 'wx' });\n      filesCreated.push(qlrefPath);\n    } catch (e: unknown) {\n      const err = e as { code?: string };\n      if (err.code !== 'EEXIST') throw e;\n    }\n    \n    try {\n      const testCodeContent = `// Test code for ${queryName}\\n// TODO: Add test cases\\n`;\n      fs.writeFileSync(testCodePath, testCodeContent, { encoding: 'utf8', flag: 'wx' });\n      filesCreated.push(testCodePath);\n    } catch (e: unknown) {\n      const err = e as { code?: string };\n      if (err.code !== 'EEXIST') throw e;\n    }\n    \n    return {\n      queryPath,\n      testPath: testDir,\n      qlrefPath,\n      testCodePath,\n      filesCreated\n    };\n  } catch (error) {\n    throw new Error(`Failed to create query scaffolding: ${error instanceof Error ? error.message : 'Unknown error'}`);\n  }\n}\n", "/**\n * CodeQL learning resources utilities\n */\n\nimport { readFileSync } from 'fs';\nimport { join, dirname } from 'path';\nimport { fileURLToPath } from 'url';\n\nconst __filename = fileURLToPath(import.meta.url);\nconst __dirname = dirname(__filename);\n\n/**\n * Get the getting started guide content\n */\nexport function getGettingStartedGuide(): string {\n  try {\n    return readFileSync(join(__dirname, '../resources/getting-started.md'), 'utf-8');\n  } catch {\n    return 'Getting started guide not available';\n  }\n}\n\n/**\n * Get the query basics guide content\n */\nexport function getQueryBasicsGuide(): string {\n  try {\n    return readFileSync(join(__dirname, '../resources/query-basics.md'), 'utf-8');\n  } catch {\n    return 'Query basics guide not available';\n  }\n}\n\n/**\n * Get the security templates content\n */\nexport function getSecurityTemplates(): string {\n  try {\n    return readFileSync(join(__dirname, '../resources/security-templates.md'), 'utf-8');\n  } catch {\n    return 'Security templates not available';\n  }\n}\n\n/**\n * Get the performance patterns content\n */\nexport function getPerformancePatterns(): string {\n  try {\n    return readFileSync(join(__dirname, '../resources/performance-patterns.md'), 'utf-8');\n  } catch {\n    return 'Performance patterns not available';\n  }\n}", "/**\n * CodeQL resources registration for MCP server\n */\n\nimport { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';\nimport {\n  getGettingStartedGuide,\n  getQueryBasicsGuide,\n  getSecurityTemplates,\n  getPerformancePatterns,\n} from '../lib/resources';\n\n/**\n * Register all CodeQL resources with the MCP server\n */\nexport function registerCodeQLResources(server: McpServer): void {\n  // Getting Started Guide\n  server.resource(\n    'CodeQL Getting Started',\n    'codeql://learning/getting-started',\n    {\n      description: 'Comprehensive introduction to CodeQL for beginners',\n      mimeType: 'text/markdown',\n    },\n    async () => {\n      return {\n        contents: [\n          {\n            uri: 'codeql://learning/getting-started',\n            mimeType: 'text/markdown',\n            text: getGettingStartedGuide(),\n          },\n        ],\n      };\n    }\n  );\n\n  // Query Basics Guide\n  server.resource(\n    'CodeQL Query Basics',\n    'codeql://learning/query-basics',\n    {\n      description: 'Learn the fundamentals of writing CodeQL queries',\n      mimeType: 'text/markdown',\n    },\n    async () => {\n      return {\n        contents: [\n          {\n            uri: 'codeql://learning/query-basics',\n            mimeType: 'text/markdown',\n            text: getQueryBasicsGuide(),\n          },\n        ],\n      };\n    }\n  );\n\n  // Security Templates\n  server.resource(\n    'CodeQL Security Templates',\n    'codeql://templates/security',\n    {\n      description: 'Ready-to-use security query templates',\n      mimeType: 'text/markdown',\n    },\n    async () => {\n      return {\n        contents: [\n          {\n            uri: 'codeql://templates/security',\n            mimeType: 'text/markdown',\n            text: getSecurityTemplates(),\n          },\n        ],\n      };\n    }\n  );\n\n  // Performance Patterns\n  server.resource(\n    'CodeQL Performance Patterns',\n    'codeql://patterns/performance',\n    {\n      description: 'Best practices for writing efficient CodeQL queries',\n      mimeType: 'text/markdown',\n    },\n    async () => {\n      return {\n        contents: [\n          {\n            uri: 'codeql://patterns/performance',\n            mimeType: 'text/markdown',\n            text: getPerformancePatterns(),\n          },\n        ],\n      };\n    }\n  );\n}\n", "/**\n * CodeQL LSP Diagnostics tool for MCP server.\n *\n * Provides real-time QL code validation through LSP communication.\n * Renamed from `codeql_language_server_eval` to `codeql_lsp_diagnostics`\n * for consistency with the `codeql_lsp_*` tool naming convention.\n */\n\nimport { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';\nimport { z } from 'zod';\nimport { Diagnostic, LanguageServerOptions } from '../../lib/language-server';\nimport { logger } from '../../utils/logger';\nimport { getProjectTmpDir } from '../../utils/temp-dir';\nimport { join } from 'path';\nimport { pathToFileURL } from 'url';\nimport { getInitializedLanguageServer } from './lsp-server-helper';\n\nexport interface LspDiagnosticsParams {\n  qlCode: string;\n  serverOptions?: LanguageServerOptions;\n  workspaceUri?: string;\n}\n\nexport interface LspDiagnosticsResult {\n  diagnostics: Diagnostic[];\n  formattedOutput: string;\n  isValid: boolean;\n  summary: {\n    errorCount: number;\n    hintCount: number;\n    infoCount: number;\n    warningCount: number;\n  };\n}\n\n/**\n * Format diagnostics for human-readable output.\n */\nfunction formatDiagnostics(diagnostics: Diagnostic[]): string {\n  if (diagnostics.length === 0) {\n    return '\u2705 No issues found in QL code';\n  }\n\n  const lines: string[] = [];\n  lines.push(`Found ${diagnostics.length} issue(s):\\n`);\n\n  diagnostics.forEach((diagnostic, index) => {\n    const severityIcon = getSeverityIcon(diagnostic.severity);\n    const severityName = getSeverityName(diagnostic.severity);\n    const location = `Line ${diagnostic.range.start.line + 1}, Column ${diagnostic.range.start.character + 1}`;\n\n    lines.push(`${index + 1}. ${severityIcon} ${severityName} at ${location}`);\n    lines.push(`   ${diagnostic.message}`);\n    if (diagnostic.source) {\n      lines.push(`   Source: ${diagnostic.source}`);\n    }\n    if (diagnostic.code) {\n      lines.push(`   Code: ${diagnostic.code}`);\n    }\n    lines.push('');\n  });\n\n  return lines.join('\\n');\n}\n\nfunction getSeverityIcon(severity: number): string {\n  switch (severity) {\n    case 1: return '\u274C'; // Error\n    case 2: return '\u26A0\uFE0F';  // Warning\n    case 3: return '\u2139\uFE0F';  // Information\n    case 4: return '\uD83D\uDCA1'; // Hint\n    default: return '\u2753';\n  }\n}\n\nfunction getSeverityName(severity: number): string {\n  switch (severity) {\n    case 1: return 'Error';\n    case 2: return 'Warning';\n    case 3: return 'Information';\n    case 4: return 'Hint';\n    default: return 'Unknown';\n  }\n}\n\n/**\n * Evaluate QL code using the CodeQL Language Server and return diagnostics.\n */\nexport async function lspDiagnostics({\n  qlCode,\n  workspaceUri,\n  serverOptions = {}\n}: LspDiagnosticsParams): Promise<LspDiagnosticsResult> {\n  try {\n    logger.info('Evaluating QL code via Language Server...');\n\n    const languageServer = await getInitializedLanguageServer({\n      serverOptions,\n      workspaceUri,\n    });\n\n    // Generate unique URI for this evaluation\n    const evalUri = pathToFileURL(join(getProjectTmpDir('lsp-eval'), `eval_${Date.now()}.ql`)).href;\n\n    const diagnostics = await languageServer.evaluateQL(qlCode, evalUri);\n\n    // Count diagnostics by severity\n    const summary = {\n      errorCount: diagnostics.filter(d => d.severity === 1).length,\n      hintCount: diagnostics.filter(d => d.severity === 4).length,\n      infoCount: diagnostics.filter(d => d.severity === 3).length,\n      warningCount: diagnostics.filter(d => d.severity === 2).length,\n    };\n\n    const isValid = summary.errorCount === 0;\n    const formattedOutput = formatDiagnostics(diagnostics);\n\n    logger.info(`QL evaluation complete. Valid: ${isValid}, Issues: ${diagnostics.length}`);\n\n    return {\n      diagnostics,\n      formattedOutput,\n      isValid,\n      summary,\n    };\n\n  } catch (error) {\n    logger.error('Error evaluating QL code:', error);\n    throw new Error(`QL evaluation failed: ${error instanceof Error ? error.message : 'Unknown error'}`);\n  }\n}\n\n/**\n * Shutdown the language server via the server manager.\n */\nexport async function shutdownDiagnosticsServer(): Promise<void> {\n  const { getServerManager } = await import('../../lib/server-manager');\n  const manager = getServerManager();\n  await manager.shutdownServer('language');\n}\n\n/**\n * Register the codeql_lsp_diagnostics tool with the MCP server.\n */\nexport function registerLspDiagnosticsTool(server: McpServer): void {\n  server.tool(\n    'codeql_lsp_diagnostics',\n    'Authoritative syntax and semantic validation of CodeQL (QL) code via the CodeQL Language Server. Compiles the query and provides real-time diagnostics with precise error locations. Use this for accurate validation; for quick heuristic checks without compilation, use validate_codeql_query instead. Note: inline ql_code is evaluated as a virtual document and cannot resolve pack imports (e.g. `import javascript`). For validating queries with imports, use codeql_query_compile on the actual file instead.',\n    {\n      log_level: z.enum(['OFF', 'ERROR', 'WARN', 'INFO', 'DEBUG', 'TRACE', 'ALL']).optional().describe('Language server log level'),\n      ql_code: z.string().describe('The CodeQL (QL) code to evaluate for syntax and semantic errors'),\n      search_path: z.string().optional().describe('Optional search path for CodeQL libraries'),\n      workspace_uri: z.string().optional().describe('Optional workspace URI for context (defaults to ./ql directory)'),\n    },\n    async ({ ql_code, workspace_uri, search_path, log_level }) => {\n      try {\n        const serverOptions: LanguageServerOptions = {};\n\n        if (search_path) {\n          serverOptions.searchPath = search_path;\n        }\n        if (log_level) {\n          serverOptions.loglevel = log_level;\n        }\n\n        const result = await lspDiagnostics({\n          qlCode: ql_code,\n          serverOptions,\n          workspaceUri: workspace_uri,\n        });\n\n        // Return structured result\n        const responseContent = {\n          diagnostics: result.diagnostics.map(d => ({\n            code: d.code,\n            column: d.range.start.character + 1, // Convert to 1-based column numbers\n            line: d.range.start.line + 1, // Convert to 1-based line numbers\n            message: d.message,\n            severity: getSeverityName(d.severity),\n            source: d.source,\n          })),\n          formattedOutput: result.formattedOutput,\n          isValid: result.isValid,\n          summary: result.summary,\n        };\n\n        return {\n          content: [\n            {\n              text: JSON.stringify(responseContent, null, 2),\n              type: 'text',\n            }\n          ],\n        };\n\n      } catch (error) {\n        logger.error('Error in codeql_lsp_diagnostics tool:', error);\n        return {\n          content: [\n            {\n              text: `Error: ${error instanceof Error ? error.message : 'Unknown error'}`,\n              type: 'text',\n            },\n          ],\n          isError: true,\n        };\n      }\n    }\n  );\n\n  // NOTE: Cleanup is handled centrally by shutdownServerManager() in\n  // codeql-development-mcp-server.ts (setupGracefulShutdown). Registering\n  // additional process.on('SIGINT'/'SIGTERM') handlers here would\n  // accumulate on repeated calls and is unnecessary.\n}\n", "/**\n * Shared helper for obtaining a running, initialized CodeQL Language Server.\n *\n * Both `lsp-diagnostics.ts` and `lsp-handlers.ts` need to:\n * 1. Build a `LanguageServerConfig` with sensible defaults\n * 2. Obtain a server instance from the `CodeQLServerManager`\n * 3. Resolve a workspace URI (relative \u2192 absolute \u2192 `file://`)\n * 4. Initialize the server with the resolved workspace\n *\n * Centralizing this logic avoids duplication and ensures consistent\n * default behaviour across all LSP tools.\n */\n\nimport { isAbsolute, resolve } from 'path';\nimport { pathToFileURL } from 'url';\n\nimport { CodeQLLanguageServer, LanguageServerOptions } from '../../lib/language-server';\nimport { LanguageServerConfig } from '../../lib/server-config';\nimport { getServerManager } from '../../lib/server-manager';\nimport { logger } from '../../utils/logger';\n\n/**\n * Options accepted by {@link getInitializedLanguageServer}.\n */\nexport interface InitializedServerOptions {\n  /** Language-server-level options (loglevel, searchPath, etc.). */\n  serverOptions?: LanguageServerOptions;\n  /** Workspace URI \u2014 may be a `file://` URI, absolute path, or relative path. */\n  workspaceUri?: string;\n}\n\n/**\n * Return a running, initialized `CodeQLLanguageServer`.\n *\n * - Resolves `searchPath` to the bundled `ql` directory when not provided.\n * - Converts relative / bare-directory `workspaceUri` paths to `file://` URIs\n *   resolved against `getUserWorkspaceDir()` (respects `CODEQL_MCP_WORKSPACE`).\n * - Falls back to the bundled `ql` directory when no workspace is given.\n * - Delegates lifecycle management to the global `CodeQLServerManager`.\n */\nexport async function getInitializedLanguageServer(\n  opts: InitializedServerOptions = {},\n): Promise<CodeQLLanguageServer> {\n  const { packageRootDir: pkgRoot, getUserWorkspaceDir } = await import('../../utils/package-paths');\n  const options = opts.serverOptions ?? {};\n\n  const config: LanguageServerConfig = {\n    checkErrors: 'ON_CHANGE',\n    loglevel: options.loglevel ?? 'WARN',\n    searchPath: options.searchPath ?? resolve(pkgRoot, 'ql'),\n    synchronous: options.synchronous,\n    verbosity: options.verbosity,\n  };\n\n  const manager = getServerManager();\n  const server = await manager.getLanguageServer(config);\n\n  // Normalize workspace URI: convert relative / bare directory paths to\n  // file:// URIs against getUserWorkspaceDir() (respects CODEQL_MCP_WORKSPACE).\n  let effectiveUri = opts.workspaceUri;\n  if (effectiveUri && !effectiveUri.startsWith('file://')) {\n    const absWorkspace = isAbsolute(effectiveUri)\n      ? effectiveUri\n      : resolve(getUserWorkspaceDir(), effectiveUri);\n    effectiveUri = pathToFileURL(absWorkspace).href;\n  }\n  effectiveUri = effectiveUri ?? pathToFileURL(resolve(pkgRoot, 'ql')).href;\n\n  await server.initialize(effectiveUri);\n  logger.debug(`Language server initialized with workspace: ${effectiveUri}`);\n\n  return server;\n}\n", "/**\n * CodeQL LSP tool handlers.\n *\n * Bridges MCP tool invocations to LSP requests on the CodeQL Language Server.\n * Each handler acquires a language server via the CodeQLServerManager,\n * opens the requested document, sends the LSP request, and returns the result.\n */\n\nimport { readFile } from 'fs/promises';\nimport { isAbsolute, resolve } from 'path';\nimport { pathToFileURL } from 'url';\n\nimport {\n  CompletionItem,\n  LSPLocation,\n  TextDocumentPositionParams,\n} from '../../lib/language-server';\nimport { logger } from '../../utils/logger';\nimport { getUserWorkspaceDir } from '../../utils/package-paths';\nimport { getInitializedLanguageServer } from './lsp-server-helper';\n\n/**\n * Common parameters for LSP tool invocations.\n */\nexport interface LSPToolParams {\n  /** 0-based character offset within the line. */\n  character: number;\n  /** Optional override for the file content (if not reading from disk). */\n  fileContent?: string;\n  /**\n   * Path to the QL file. May be absolute or relative.\n   * Relative paths are resolved against `getUserWorkspaceDir()`\n   * (respects the `CODEQL_MCP_WORKSPACE` environment variable).\n   */\n  filePath: string;\n  /** 0-based line number in the document. */\n  line: number;\n  /** Optional search path for CodeQL libraries. */\n  searchPath?: string;\n  /** Optional workspace URI for context. */\n  workspaceUri?: string;\n}\n\n/**\n * Get a running, initialized language server for the given parameters.\n */\nasync function getInitializedServer(params: LSPToolParams) {\n  return getInitializedLanguageServer({\n    serverOptions: { searchPath: params.searchPath },\n    workspaceUri: params.workspaceUri,\n  });\n}\n\n/**\n * Resolve the file path to an absolute path and file:// URI.\n */\nfunction prepareDocumentPosition(\n  params: LSPToolParams,\n): { absPath: string; docUri: string } {\n  // Resolve relative paths against getUserWorkspaceDir() so that\n  // CODEQL_MCP_WORKSPACE is respected and behaviour is consistent across tools.\n  const absPath = isAbsolute(params.filePath)\n    ? params.filePath\n    : resolve(getUserWorkspaceDir(), params.filePath);\n  const docUri = pathToFileURL(absPath).href;\n\n  return { absPath, docUri };\n}\n\n/**\n * Read file content and open the document in the language server.\n */\nasync function openDocumentForPosition(\n  server: Awaited<ReturnType<typeof getInitializedServer>>,\n  params: LSPToolParams,\n  absPath: string,\n  docUri: string,\n): Promise<TextDocumentPositionParams> {\n  // Read file content from disk or use provided content\n  let text: string;\n  if (params.fileContent) {\n    text = params.fileContent;\n  } else {\n    try {\n      text = await readFile(absPath, 'utf-8');\n    } catch (error) {\n      throw new Error(`Cannot read file: ${absPath}: ${error instanceof Error ? error.message : error}`);\n    }\n  }\n\n  // Open the document so the language server knows about it\n  server.openDocument(docUri, text);\n\n  return {\n    position: { character: params.character, line: params.line },\n    textDocument: { uri: docUri },\n  };\n}\n\n/**\n * Get code completions at a position.\n */\nexport async function lspCompletion(params: LSPToolParams): Promise<CompletionItem[]> {\n  logger.info(`LSP completion at ${params.filePath}:${params.line}:${params.character}`);\n  const server = await getInitializedServer(params);\n  const { absPath, docUri } = prepareDocumentPosition(params);\n  const positionParams = await openDocumentForPosition(server, params, absPath, docUri);\n\n  try {\n    return await server.getCompletions(positionParams);\n  } finally {\n    server.closeDocument(docUri);\n  }\n}\n\n/**\n * Go to definition of a symbol at a position.\n */\nexport async function lspDefinition(params: LSPToolParams): Promise<LSPLocation[]> {\n  logger.info(`LSP definition at ${params.filePath}:${params.line}:${params.character}`);\n  const server = await getInitializedServer(params);\n  const { absPath, docUri } = prepareDocumentPosition(params);\n  const positionParams = await openDocumentForPosition(server, params, absPath, docUri);\n\n  try {\n    return await server.getDefinition(positionParams);\n  } finally {\n    server.closeDocument(docUri);\n  }\n}\n\n/**\n * Find all references to a symbol at a position.\n */\nexport async function lspReferences(params: LSPToolParams): Promise<LSPLocation[]> {\n  logger.info(`LSP references at ${params.filePath}:${params.line}:${params.character}`);\n  const server = await getInitializedServer(params);\n  const { absPath, docUri } = prepareDocumentPosition(params);\n  const positionParams = await openDocumentForPosition(server, params, absPath, docUri);\n\n  try {\n    return await server.getReferences({\n      ...positionParams,\n      context: { includeDeclaration: true },\n    });\n  } finally {\n    server.closeDocument(docUri);\n  }\n}\n", "/**\n * CodeQL LSP MCP tool definitions.\n *\n * Registers four LSP-based tools:\n * - codeql_lsp_completion     \u2013 code completions at cursor position\n * - codeql_lsp_definition     \u2013 go to definition\n * - codeql_lsp_diagnostics    \u2013 QL code validation via LSP diagnostics\n * - codeql_lsp_references     \u2013 find all references\n */\n\nimport { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';\nimport { z } from 'zod';\nimport { registerLspDiagnosticsTool } from './lsp-diagnostics';\nimport {\n  lspCompletion,\n  lspDefinition,\n  lspReferences,\n} from './lsp-handlers';\nimport { logger } from '../../utils/logger';\n\n/**\n * Shared Zod schema for the common LSP tool parameters.\n */\nconst lspParamsSchema = {\n  character: z.number().int().min(0).describe('0-based character offset within the line'),\n  file_content: z.string().optional().describe('Optional file content override (reads from disk if omitted)'),\n  file_path: z.string().describe('Path to the CodeQL (.ql/.qll) file. Relative paths are resolved against the user workspace directory (see CODEQL_MCP_WORKSPACE).'),\n  line: z.number().int().min(0).describe('0-based line number in the document'),\n  search_path: z.string().optional().describe('Optional search path for CodeQL libraries'),\n  workspace_uri: z.string().optional().describe('Optional workspace URI for context (defaults to ./ql directory)'),\n};\n\n/**\n * Helper to build the handler params from the raw MCP tool input.\n */\nfunction toHandlerParams(input: {\n  character: number;\n  file_content?: string;\n  file_path: string;\n  line: number;\n  search_path?: string;\n  workspace_uri?: string;\n}) {\n  return {\n    character: input.character,\n    fileContent: input.file_content,\n    filePath: input.file_path,\n    line: input.line,\n    searchPath: input.search_path,\n    workspaceUri: input.workspace_uri,\n  };\n}\n\n/**\n * Register all LSP-based tools with the MCP server.\n */\nexport function registerLSPTools(server: McpServer): void {\n  // --- codeql_lsp_diagnostics (relocated from codeql_language_server_eval) ---\n  registerLspDiagnosticsTool(server);\n\n  // --- codeql_lsp_completion ---\n  server.tool(\n    'codeql_lsp_completion',\n    'Get code completions at a cursor position in a CodeQL file. Returns completion items with labels, documentation, and insert text. The file must be a .ql or .qll file. IMPORTANT: Set workspace_uri to the pack or workspace root directory for dependency resolution; without it, completions for imported libraries will be empty.',\n    lspParamsSchema,\n    async (input) => {\n      try {\n        const items = await lspCompletion(toHandlerParams(input));\n        return {\n          content: [{\n            text: JSON.stringify({\n              completionCount: items.length,\n              items: items.map((item) => ({\n                detail: item.detail,\n                documentation: item.documentation,\n                insertText: item.insertText,\n                kind: item.kind,\n                label: item.label,\n              })),\n            }, null, 2),\n            type: 'text' as const,\n          }],\n        };\n      } catch (error) {\n        logger.error('codeql_lsp_completion error:', error);\n        return {\n          content: [{ text: `Error: ${error instanceof Error ? error.message : 'Unknown error'}`, type: 'text' as const }],\n          isError: true,\n        };\n      }\n    },\n  );\n\n  // --- codeql_lsp_definition ---\n  server.tool(\n    'codeql_lsp_definition',\n    'Go to the definition of a CodeQL symbol at a given position. Returns one or more file locations where the symbol is defined. Set workspace_uri to the pack root for dependency resolution.',\n    lspParamsSchema,\n    async (input) => {\n      try {\n        const locations = await lspDefinition(toHandlerParams(input));\n        return {\n          content: [{\n            text: JSON.stringify({\n              definitionCount: locations.length,\n              locations: locations.map((loc) => ({\n                endCharacter: loc.range.end.character,\n                endLine: loc.range.end.line + 1,\n                startCharacter: loc.range.start.character,\n                startLine: loc.range.start.line + 1,\n                uri: loc.uri,\n              })),\n            }, null, 2),\n            type: 'text' as const,\n          }],\n        };\n      } catch (error) {\n        logger.error('codeql_lsp_definition error:', error);\n        return {\n          content: [{ text: `Error: ${error instanceof Error ? error.message : 'Unknown error'}`, type: 'text' as const }],\n          isError: true,\n        };\n      }\n    },\n  );\n\n  // --- codeql_lsp_references ---\n  server.tool(\n    'codeql_lsp_references',\n    'Find all references to a CodeQL symbol at a given position. Returns file locations of all usages, including the declaration. Set workspace_uri to the pack root for dependency resolution.',\n    lspParamsSchema,\n    async (input) => {\n      try {\n        const locations = await lspReferences(toHandlerParams(input));\n        return {\n          content: [{\n            text: JSON.stringify({\n              locations: locations.map((loc) => ({\n                endCharacter: loc.range.end.character,\n                endLine: loc.range.end.line + 1,\n                startCharacter: loc.range.start.character,\n                startLine: loc.range.start.line + 1,\n                uri: loc.uri,\n              })),\n              referenceCount: locations.length,\n            }, null, 2),\n            type: 'text' as const,\n          }],\n        };\n      } catch (error) {\n        logger.error('codeql_lsp_references error:', error);\n        return {\n          content: [{ text: `Error: ${error instanceof Error ? error.message : 'Unknown error'}`, type: 'text' as const }],\n          isError: true,\n        };\n      }\n    },\n  );\n}\n", "/**\n * Language-specific resources implementation\n * Dynamically loads and serves language-specific AST references and security patterns\n */\n\nimport { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';\nimport { readFileSync, existsSync } from 'fs';\nimport { join } from 'path';\nimport { LANGUAGE_RESOURCES } from '../types/language-types';\nimport { workspaceRootDir } from '../utils/package-paths';\nimport { logger } from '../utils/logger';\n\n/**\n * Get the base path for ql resources.\n * Uses the workspace root (monorepo root or package root) so that\n * resource files are found regardless of the server's process.cwd().\n */\nfunction getQLBasePath(): string {\n  return workspaceRootDir;\n}\n\n/**\n * Load content from a resource file\n */\nfunction loadResourceContent(relativePath: string): string | null {\n  try {\n    const fullPath = join(getQLBasePath(), relativePath);\n    \n    if (!existsSync(fullPath)) {\n      logger.warn(`Resource file not found: ${fullPath}`);\n      return null;\n    }\n    \n    return readFileSync(fullPath, 'utf-8');\n  } catch (error) {\n    logger.error(`Error loading resource file ${relativePath}:`, error);\n    return null;\n  }\n}\n\n/**\n * Register language-specific AST resources\n */\nexport function registerLanguageASTResources(server: McpServer): void {\n  for (const langResource of LANGUAGE_RESOURCES) {\n    if (!langResource.astFile) continue;\n    \n    const resourceUri = `codeql://languages/${langResource.language}/ast`;\n    \n    server.resource(\n      `${langResource.language.toUpperCase()} AST Reference`,\n      resourceUri,\n      {\n        description: `CodeQL AST class reference for ${langResource.language} programs`,\n        mimeType: 'text/markdown'\n      },\n      async () => {\n        const content = loadResourceContent(langResource.astFile!);\n        \n        if (!content) {\n          return {\n            contents: [{\n              uri: resourceUri,\n              mimeType: 'text/markdown',\n              text: `# ${langResource.language.toUpperCase()} AST Reference\\n\\nResource file not found or could not be loaded.`\n            }]\n          };\n        }\n        \n        return {\n          contents: [{\n            uri: resourceUri,\n            mimeType: 'text/markdown',\n            text: content\n          }]\n        };\n      }\n    );\n  }\n}\n\n/**\n * Register language-specific security pattern resources\n */\nexport function registerLanguageSecurityResources(server: McpServer): void {\n  for (const langResource of LANGUAGE_RESOURCES) {\n    if (!langResource.securityFile) continue;\n    \n    const resourceUri = `codeql://languages/${langResource.language}/security`;\n    \n    server.resource(\n      `${langResource.language.toUpperCase()} Security Patterns`,\n      resourceUri,\n      {\n        description: `CodeQL security query patterns and framework modeling for ${langResource.language}`,\n        mimeType: 'text/markdown'\n      },\n      async () => {\n        const content = loadResourceContent(langResource.securityFile!);\n        \n        if (!content) {\n          return {\n            contents: [{\n              uri: resourceUri,\n              mimeType: 'text/markdown',\n              text: `# ${langResource.language.toUpperCase()} Security Patterns\\n\\nResource file not found or could not be loaded.`\n            }]\n          };\n        }\n        \n        return {\n          contents: [{\n            uri: resourceUri,\n            mimeType: 'text/markdown',\n            text: content\n          }]\n        };\n      }\n    );\n  }\n}\n\n/**\n * Register additional language-specific resources (like Go's dataflow patterns)\n */\nexport function registerLanguageAdditionalResources(server: McpServer): void {\n  for (const langResource of LANGUAGE_RESOURCES) {\n    if (!langResource.additionalFiles) continue;\n    \n    for (const [resourceType, filePath] of Object.entries(langResource.additionalFiles)) {\n      const resourceUri = `codeql://languages/${langResource.language}/${resourceType}`;\n      \n      server.resource(\n        `${langResource.language.toUpperCase()} ${resourceType.replace('-', ' ').replace(/\\b\\w/g, l => l.toUpperCase())}`,\n        resourceUri,\n        {\n          description: `CodeQL ${resourceType.replace('-', ' ')} guide for ${langResource.language}`,\n          mimeType: 'text/markdown'\n        },\n        async () => {\n          const content = loadResourceContent(filePath);\n          \n          if (!content) {\n            return {\n              contents: [{\n                uri: resourceUri,\n                mimeType: 'text/markdown',\n                text: `# ${langResource.language.toUpperCase()} ${resourceType.replace('-', ' ').replace(/\\b\\w/g, l => l.toUpperCase())}\\n\\nResource file not found or could not be loaded.`\n              }]\n            };\n          }\n          \n          return {\n            contents: [{\n              uri: resourceUri,\n              mimeType: 'text/markdown',\n              text: content\n            }]\n          };\n        }\n      );\n    }\n  }\n}\n\n/**\n * Register all language-specific resources\n */\nexport function registerLanguageResources(server: McpServer): void {\n  logger.info('Registering language-specific resources...');\n  \n  // Register AST references for all languages\n  registerLanguageASTResources(server);\n  \n  // Register security patterns for languages that have them\n  registerLanguageSecurityResources(server);\n  \n  // Register additional resources (like Go's dataflow patterns)\n  registerLanguageAdditionalResources(server);\n  \n  logger.info(`Registered resources for ${LANGUAGE_RESOURCES.length} languages`);\n}", "/**\n * Type definitions and constants for language-specific resources\n */\n\n// Language mappings to resource files\nexport interface LanguageResource {\n  language: string;\n  astFile?: string;\n  securityFile?: string;\n  additionalFiles?: Record<string, string>;\n}\n\nexport const LANGUAGE_RESOURCES: LanguageResource[] = [\n  {\n    language: 'actions',\n    astFile: 'ql/languages/actions/tools/dev/actions_ast.prompt.md'\n  },\n  {\n    language: 'cpp',\n    astFile: 'ql/languages/cpp/tools/dev/cpp_ast.prompt.md',\n    securityFile: 'ql/languages/cpp/tools/dev/cpp_security_query_guide.prompt.md'\n  },\n  {\n    language: 'csharp',\n    astFile: 'ql/languages/csharp/tools/dev/csharp_ast.prompt.md',\n    securityFile: 'ql/languages/csharp/tools/dev/csharp_security_query_guide.prompt.md'\n  },\n  {\n    language: 'go',\n    astFile: 'ql/languages/go/tools/dev/go_ast.prompt.md',\n    securityFile: 'ql/languages/go/tools/dev/go_security_query_guide.prompt.md',\n    additionalFiles: {\n      'dataflow': 'ql/languages/go/tools/dev/go_dataflow.prompt.md',\n      'library-modeling': 'ql/languages/go/tools/dev/go_library_modeling.prompt.md',\n      'basic-queries': 'ql/languages/go/tools/dev/go_basic_queries.prompt.md'\n    }\n  },\n  {\n    language: 'java',\n    astFile: 'ql/languages/java/tools/dev/java_ast.prompt.md'\n  },\n  {\n    language: 'javascript',\n    astFile: 'ql/languages/javascript/tools/dev/javascript_ast.prompt.md',\n    securityFile: 'ql/languages/javascript/tools/dev/javascript_security_query_guide.prompt.md'\n  },\n  {\n    language: 'python',\n    astFile: 'ql/languages/python/tools/dev/python_ast.prompt.md',\n    securityFile: 'ql/languages/python/tools/dev/python_security_query_guide.prompt.md'\n  },\n  {\n    language: 'ql',\n    astFile: 'ql/languages/ql/tools/dev/ql_ast.prompt.md'\n  },\n  {\n    language: 'ruby',\n    astFile: 'ql/languages/ruby/tools/dev/ruby_ast.prompt.md'\n  }\n];", "/**\n * MCP Server workflow prompts for CodeQL development\n *\n * All prompt content is loaded from .prompt.md files in this directory.\n * This file only handles prompt registration and parameter processing.\n */\n\nimport { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';\nimport { z } from 'zod';\nimport { basename } from 'path';\nimport { loadPromptTemplate, processPromptTemplate } from './prompt-loader';\nimport { logger } from '../utils/logger';\n\n/** Supported CodeQL languages for tools queries */\nexport const SUPPORTED_LANGUAGES = [\n  'actions',\n  'cpp',\n  'csharp',\n  'go',\n  'java',\n  'javascript',\n  'python',\n  'ruby',\n  'swift'\n] as const;\n\n// \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n// Exported parameter schemas for each workflow prompt.\n//\n// Extracting the schemas makes it easy to unit-test required vs optional\n// validation independently of the MCP server registration.\n//\n// **Convention for VS Code UX consistency**:\n// Every prompt MUST expose at least one parameter \u2013 even if all parameters\n// are optional \u2013 so that VS Code always displays the parameter input dialog\n// and allows the user to customize the prompt before Copilot Chat processes\n// it.  The `description` field on each Zod schema member doubles as the\n// placeholder text shown in the VS Code input box.\n// \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n/**\n * Schema for test_driven_development prompt parameters.\n *\n * - `language` is **required** \u2013 the TDD workflow is language-specific.\n * - `queryName` is optional \u2013 defaults to '[QueryName]' if omitted.\n */\nexport const testDrivenDevelopmentSchema = z.object({\n  language: z\n    .enum(SUPPORTED_LANGUAGES)\n    .describe('Programming language for the query'),\n  queryName: z\n    .string()\n    .optional()\n    .describe('Name of the query to develop'),\n});\n\n/**\n * Schema for tools_query_workflow prompt parameters.\n *\n * - `language` and `database` are **required**.\n * - `sourceFiles`, `sourceFunction`, `targetFunction` are optional context.\n */\nexport const toolsQueryWorkflowSchema = z.object({\n  database: z\n    .string()\n    .describe('Path to the CodeQL database'),\n  language: z\n    .enum(SUPPORTED_LANGUAGES)\n    .describe('Programming language for the tools queries'),\n  sourceFiles: z\n    .string()\n    .optional()\n    .describe('Comma-separated source file names for PrintAST (e.g., \"main.js,utils.js\")'),\n  sourceFunction: z\n    .string()\n    .optional()\n    .describe('Function name for PrintCFG or CallGraphFrom (e.g., \"processData\")'),\n  targetFunction: z\n    .string()\n    .optional()\n    .describe('Function name for CallGraphTo (e.g., \"validate\")'),\n});\n\n/**\n * Schema for workshop_creation_workflow prompt parameters.\n * Uses z.coerce.number() for numStages to handle string inputs from VSCode slash commands.\n *\n * - `queryPath` and `language` are **required**.\n * - `workshopName` and `numStages` are optional.\n */\nexport const workshopCreationWorkflowSchema = z.object({\n  queryPath: z\n    .string()\n    .describe('Path to the production-grade CodeQL query (.ql or .qlref)'),\n  language: z\n    .enum(SUPPORTED_LANGUAGES)\n    .describe('Programming language of the query'),\n  workshopName: z\n    .string()\n    .optional()\n    .describe('Name for the workshop directory'),\n  numStages: z\n    .coerce.number()\n    .optional()\n    .describe('Number of incremental stages (default: 4-8)'),\n});\n\n/**\n * Schema for ql_tdd_basic prompt parameters.\n *\n * All parameters are optional \u2013 but at least one should be present so the\n * VS Code quick-pick dialog appears.\n */\nexport const qlTddBasicSchema = z.object({\n  language: z\n    .enum(SUPPORTED_LANGUAGES)\n    .optional()\n    .describe('Programming language for the query (optional)'),\n  queryName: z\n    .string()\n    .optional()\n    .describe('Name of the query to develop'),\n});\n\n/**\n * Schema for ql_tdd_advanced prompt parameters.\n *\n * All parameters are optional.\n */\nexport const qlTddAdvancedSchema = z.object({\n  database: z\n    .string()\n    .optional()\n    .describe('Path to the CodeQL database for analysis'),\n  language: z\n    .enum(SUPPORTED_LANGUAGES)\n    .optional()\n    .describe('Programming language for the query (optional)'),\n  queryName: z\n    .string()\n    .optional()\n    .describe('Name of the query to develop'),\n});\n\n/**\n * Schema for sarif_rank_false_positives / sarif_rank_true_positives.\n *\n * Both parameters are optional.\n */\nexport const sarifRankSchema = z.object({\n  queryId: z\n    .string()\n    .optional()\n    .describe('CodeQL query/rule identifier'),\n  sarifPath: z\n    .string()\n    .optional()\n    .describe('Path to the SARIF file to analyze'),\n});\n\n/**\n * Schema for explain_codeql_query prompt parameters.\n *\n * - `queryPath` and `language` are **required**.\n * - `databasePath` is optional.\n */\nexport const explainCodeqlQuerySchema = z.object({\n  databasePath: z\n    .string()\n    .optional()\n    .describe('Optional path to a real CodeQL database for profiling'),\n  language: z\n    .enum(SUPPORTED_LANGUAGES)\n    .describe('Programming language of the query'),\n  queryPath: z\n    .string()\n    .describe('Path to the CodeQL query file (.ql or .qlref)'),\n});\n\n/**\n * Schema for document_codeql_query prompt parameters.\n *\n * - `queryPath` and `language` are **required**.\n */\nexport const documentCodeqlQuerySchema = z.object({\n  language: z\n    .enum(SUPPORTED_LANGUAGES)\n    .describe('Programming language of the query'),\n  queryPath: z\n    .string()\n    .describe('Path to the CodeQL query file (.ql or .qlref)'),\n});\n\n/**\n * Schema for ql_lsp_iterative_development prompt parameters.\n *\n * All parameters are optional.\n */\nexport const qlLspIterativeDevelopmentSchema = z.object({\n  language: z\n    .enum(SUPPORTED_LANGUAGES)\n    .optional()\n    .describe('Programming language for the query'),\n  queryPath: z\n    .string()\n    .optional()\n    .describe('Path to the query file being developed'),\n  workspaceUri: z\n    .string()\n    .optional()\n    .describe('Workspace URI for LSP dependency resolution'),\n});\n\n// \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n// Prompt names (exported for testing)\n// \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n/** Names of every workflow prompt registered with the MCP server. */\nexport const WORKFLOW_PROMPT_NAMES = [\n  'document_codeql_query',\n  'explain_codeql_query',\n  'ql_lsp_iterative_development',\n  'ql_tdd_advanced',\n  'ql_tdd_basic',\n  'sarif_rank_false_positives',\n  'sarif_rank_true_positives',\n  'test_driven_development',\n  'tools_query_workflow',\n  'workshop_creation_workflow',\n] as const;\n\n/**\n * Register MCP workflow prompts\n *\n * Each prompt loads its content from a corresponding .prompt.md file\n * and processes any parameter substitutions.\n *\n * **UX note**: Every prompt schema is passed to `server.prompt()` so that\n * VS Code always displays the parameter-input quick-pick before the prompt\n * is sent to Copilot Chat. This lets users review and customise the values.\n */\nexport function registerWorkflowPrompts(server: McpServer): void {\n  // Test-Driven Development Prompt\n  server.prompt(\n    'test_driven_development',\n    'Test-driven development workflow for CodeQL queries using MCP tools',\n    testDrivenDevelopmentSchema.shape,\n    async ({ language, queryName }) => {\n      const template = loadPromptTemplate('ql-tdd-basic.prompt.md');\n      const content = processPromptTemplate(template, {\n        language,\n        queryName: queryName || '[QueryName]'\n      });\n\n      return {\n        messages: [\n          {\n            role: 'user',\n            content: {\n              type: 'text',\n              text: `## Context\\n\\n- **Language**: ${language}\\n${queryName ? `- **Query Name**: ${queryName}\\n` : ''}\\n${content}`\n            }\n          }\n        ]\n      };\n    }\n  );\n\n  // Tools Query Workflow Prompt\n  server.prompt(\n    'tools_query_workflow',\n    'Guide for using built-in tools queries (PrintAST, PrintCFG, CallGraphFrom, CallGraphTo) to understand code structure',\n    toolsQueryWorkflowSchema.shape,\n    async ({\n      language,\n      database,\n      sourceFiles,\n      sourceFunction,\n      targetFunction\n    }) => {\n      const template = loadPromptTemplate('tools-query-workflow.prompt.md');\n      const content = processPromptTemplate(template, {\n        language,\n        database\n      });\n\n      const contextSection = buildToolsQueryContext(\n        language,\n        database,\n        sourceFiles,\n        sourceFunction,\n        targetFunction\n      );\n\n      return {\n        messages: [\n          {\n            role: 'user',\n            content: {\n              type: 'text',\n              text: contextSection + content\n            }\n          }\n        ]\n      };\n    }\n  );\n\n  // Workshop Creation Workflow Prompt\n  server.prompt(\n    'workshop_creation_workflow',\n    'Guide for creating CodeQL query development workshops from production-grade queries',\n    workshopCreationWorkflowSchema.shape,\n    async ({ queryPath, language, workshopName, numStages }) => {\n      const template = loadPromptTemplate('workshop-creation-workflow.prompt.md');\n\n      // Derive workshop name from query path if not provided\n      const derivedName =\n        workshopName ||\n        basename(queryPath)\n          .replace(/\\.(ql|qlref)$/, '')\n          .toLowerCase()\n          .replace(/[^a-z0-9]+/g, '-') ||\n        'codeql-workshop';\n\n      const contextSection = buildWorkshopContext(\n        queryPath,\n        language,\n        derivedName,\n        numStages\n      );\n\n      return {\n        messages: [\n          {\n            role: 'user',\n            content: {\n              type: 'text',\n              text: contextSection + template\n            }\n          }\n        ]\n      };\n    }\n  );\n\n  // TDD Basic Prompt - Test-Driven Development Checklist\n  server.prompt(\n    'ql_tdd_basic',\n    'Test-driven CodeQL query development checklist - write tests first, implement query, iterate until tests pass',\n    qlTddBasicSchema.shape,\n    async ({ language, queryName }) => {\n      const template = loadPromptTemplate('ql-tdd-basic.prompt.md');\n\n      let contextSection = '## Your Development Context\\n\\n';\n      if (language) {\n        contextSection += `- **Language**: ${language}\\n`;\n      }\n      if (queryName) {\n        contextSection += `- **Query Name**: ${queryName}\\n`;\n      }\n      if (language || queryName) {\n        contextSection += '\\n';\n      }\n\n      return {\n        messages: [\n          {\n            role: 'user',\n            content: {\n              type: 'text',\n              text: contextSection + template\n            }\n          }\n        ]\n      };\n    }\n  );\n\n  // TDD Advanced Prompt - Advanced Techniques with AST/CFG/CallGraph\n  server.prompt(\n    'ql_tdd_advanced',\n    'Advanced test-driven CodeQL development with AST visualization, control flow, and call graph analysis',\n    qlTddAdvancedSchema.shape,\n    async ({ language, queryName, database }) => {\n      const template = loadPromptTemplate('ql-tdd-advanced.prompt.md');\n\n      let contextSection = '## Your Development Context\\n\\n';\n      if (language) {\n        contextSection += `- **Language**: ${language}\\n`;\n      }\n      if (queryName) {\n        contextSection += `- **Query Name**: ${queryName}\\n`;\n      }\n      if (database) {\n        contextSection += `- **Database**: ${database}\\n`;\n      }\n      if (language || queryName || database) {\n        contextSection += '\\n';\n      }\n\n      return {\n        messages: [\n          {\n            role: 'user',\n            content: {\n              type: 'text',\n              text: contextSection + template\n            }\n          }\n        ]\n      };\n    }\n  );\n\n  // SARIF Rank False Positives Prompt\n  server.prompt(\n    'sarif_rank_false_positives',\n    'Analyze SARIF results to identify likely false positives in CodeQL query results',\n    sarifRankSchema.shape,\n    async ({ queryId, sarifPath }) => {\n      const template = loadPromptTemplate('sarif-rank-false-positives.prompt.md');\n\n      let contextSection = '## Analysis Context\\n\\n';\n      if (queryId) {\n        contextSection += `- **Query ID**: ${queryId}\\n`;\n      }\n      if (sarifPath) {\n        contextSection += `- **SARIF File**: ${sarifPath}\\n`;\n      }\n      if (queryId || sarifPath) {\n        contextSection += '\\n';\n      }\n\n      return {\n        messages: [\n          {\n            role: 'user',\n            content: {\n              type: 'text',\n              text: contextSection + template\n            }\n          }\n        ]\n      };\n    }\n  );\n\n  // SARIF Rank True Positives Prompt\n  server.prompt(\n    'sarif_rank_true_positives',\n    'Analyze SARIF results to identify likely true positives in CodeQL query results',\n    sarifRankSchema.shape,\n    async ({ queryId, sarifPath }) => {\n      const template = loadPromptTemplate('sarif-rank-true-positives.prompt.md');\n\n      let contextSection = '## Analysis Context\\n\\n';\n      if (queryId) {\n        contextSection += `- **Query ID**: ${queryId}\\n`;\n      }\n      if (sarifPath) {\n        contextSection += `- **SARIF File**: ${sarifPath}\\n`;\n      }\n      if (queryId || sarifPath) {\n        contextSection += '\\n';\n      }\n\n      return {\n        messages: [\n          {\n            role: 'user',\n            content: {\n              type: 'text',\n              text: contextSection + template\n            }\n          }\n        ]\n      };\n    }\n  );\n\n  // Explain CodeQL Query Prompt (for workshop learning content)\n  server.prompt(\n    'explain_codeql_query',\n    'Generate detailed explanation of a CodeQL query for workshop learning content - uses MCP tools to gather context and produces both verbal explanations and mermaid evaluation diagrams',\n    explainCodeqlQuerySchema.shape,\n    async ({ queryPath, language, databasePath }) => {\n      const template = loadPromptTemplate('explain-codeql-query.prompt.md');\n\n      let contextSection = '## Query to Explain\\n\\n';\n      contextSection += `- **Query Path**: ${queryPath}\\n`;\n      contextSection += `- **Language**: ${language}\\n`;\n      if (databasePath) {\n        contextSection += `- **Database Path**: ${databasePath}\\n`;\n      }\n      contextSection += '\\n';\n\n      return {\n        messages: [\n          {\n            role: 'user',\n            content: {\n              type: 'text',\n              text: contextSection + template\n            }\n          }\n        ]\n      };\n    }\n  );\n\n  // Document CodeQL Query Prompt\n  server.prompt(\n    'document_codeql_query',\n    'Create or update documentation for a CodeQL query - generates standardized markdown documentation as a sibling file to the query',\n    documentCodeqlQuerySchema.shape,\n    async ({ queryPath, language }) => {\n      const template = loadPromptTemplate('document-codeql-query.prompt.md');\n\n      const contextSection = `## Query to Document\n\n- **Query Path**: ${queryPath}\n- **Language**: ${language}\n\n`;\n\n      return {\n        messages: [\n          {\n            role: 'user',\n            content: {\n              type: 'text',\n              text: contextSection + template\n            }\n          }\n        ]\n      };\n    }\n  );\n\n  // LSP-powered Iterative Development Prompt\n  server.prompt(\n    'ql_lsp_iterative_development',\n    'Iterative CodeQL query development using LSP tools for completion, navigation, and validation',\n    qlLspIterativeDevelopmentSchema.shape,\n    async ({ language, queryPath, workspaceUri }) => {\n      const template = loadPromptTemplate('ql-lsp-iterative-development.prompt.md');\n\n      let contextSection = '## Your Development Context\\n\\n';\n      if (language) {\n        contextSection += `- **Language**: ${language}\\n`;\n      }\n      if (queryPath) {\n        contextSection += `- **Query Path**: ${queryPath}\\n`;\n      }\n      if (workspaceUri) {\n        contextSection += `- **Workspace URI**: ${workspaceUri}\\n`;\n      }\n      if (language || queryPath || workspaceUri) {\n        contextSection += '\\n';\n      }\n\n      return {\n        messages: [\n          {\n            role: 'user',\n            content: {\n              type: 'text',\n              text: contextSection + template,\n            },\n          },\n        ],\n      };\n    }\n  );\n\n  logger.info(`Registered ${WORKFLOW_PROMPT_NAMES.length} workflow prompts`);\n}\n\n/**\n * Build context section for tools query workflow\n */\nexport function buildToolsQueryContext(\n  language: string,\n  database: string,\n  sourceFiles?: string,\n  sourceFunction?: string,\n  targetFunction?: string\n): string {\n  const lines = [\n    '## Your Context',\n    '',\n    `- **Language**: ${language}`,\n    `- **Database**: ${database}`\n  ];\n\n  if (sourceFiles) {\n    lines.push(`- **Source Files**: ${sourceFiles}`);\n  }\n  if (sourceFunction) {\n    lines.push(`- **Source Function**: ${sourceFunction}`);\n  }\n  if (targetFunction) {\n    lines.push(`- **Target Function**: ${targetFunction}`);\n  }\n\n  lines.push('', '## Recommended Next Steps', '');\n\n  if (sourceFiles) {\n    lines.push(\n      `1. Run \\`codeql_query_run\\` with queryName=\"PrintAST\", sourceFiles=\"${sourceFiles}\"`\n    );\n  } else {\n    lines.push('1. Identify source files to analyze with PrintAST');\n  }\n\n  if (sourceFunction) {\n    lines.push(\n      `2. Run \\`codeql_query_run\\` with queryName=\"PrintCFG\" or \"CallGraphFrom\", sourceFunction=\"${sourceFunction}\"`\n    );\n  } else {\n    lines.push(\n      '2. Identify key functions for CFG or call graph analysis'\n    );\n  }\n\n  if (targetFunction) {\n    lines.push(\n      `3. Run \\`codeql_query_run\\` with queryName=\"CallGraphTo\", targetFunction=\"${targetFunction}\"`\n    );\n  } else {\n    lines.push('3. Identify target functions to find callers');\n  }\n\n  lines.push('', '');\n  return lines.join('\\n');\n}\n\n/**\n * Build context section for workshop creation workflow\n */\nexport function buildWorkshopContext(\n  queryPath: string,\n  language: string,\n  workshopName: string,\n  numStages?: number\n): string {\n  return `## Your Workshop Context\n\n- **Target Query**: ${queryPath}\n- **Language**: ${language}\n- **Workshop Name**: ${workshopName}\n- **Suggested Stages**: ${numStages || '4-8 (auto-detect based on query complexity)'}\n\n## Immediate Actions\n\n1. **Locate query files**: Use \\`find_codeql_query_files\\` with queryPath=\"${queryPath}\"\n2. **Understand query for learning content**: Use the \\`explain_codeql_query\\` prompt with queryPath=\"${queryPath}\" and language=\"${language}\"\n3. **Document each workshop stage**: Use the \\`document_codeql_query\\` prompt to create/update documentation for each solution query\n4. **Verify tests pass**: Use \\`codeql_test_run\\` on existing tests\n5. **Run tools queries**: Generate AST/CFG understanding for workshop materials\n\n`;\n}\n", "/**\n * Utility functions for loading prompt template files\n */\n\nimport { readFileSync } from 'fs';\nimport { join, dirname } from 'path';\nimport { fileURLToPath } from 'url';\n\nconst __filename = fileURLToPath(import.meta.url);\nconst __dirname = dirname(__filename);\n\n/**\n * Load a prompt template from a .prompt.md file\n */\nexport function loadPromptTemplate(promptFileName: string): string {\n  try {\n    const promptPath = join(__dirname, promptFileName);\n    return readFileSync(promptPath, 'utf-8');\n  } catch (error) {\n    return `Prompt template '${promptFileName}' not available: ${error instanceof Error ? error.message : 'Unknown error'}`;\n  }\n}\n\n/**\n * Process prompt template by replacing placeholders with actual values\n */\nexport function processPromptTemplate(template: string, variables: Record<string, string>): string {\n  let processed = template;\n  \n  // Replace variables in the format {{variable}} or {variable}\n  for (const [key, value] of Object.entries(variables)) {\n    const patterns = [\n      new RegExp(`\\\\{\\\\{${key}\\\\}\\\\}`, 'g'),\n      new RegExp(`\\\\{${key}\\\\}`, 'g')\n    ];\n    \n    for (const pattern of patterns) {\n      processed = processed.replace(pattern, value);\n    }\n  }\n  \n  return processed;\n}", "/**\n * Monitoring Tools - MCP tool implementations for session management and reporting\n * Provides the MCP Tool APIs specified in the monitoring specification\n */\n\nimport { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';\nimport { z } from 'zod';\nimport { randomUUID } from 'crypto';\nimport { sessionDataManager } from '../lib/session-data-manager';\nimport {\n  QueryDevelopmentSession,\n  SessionFilter,\n  QualityScoreRecord,\n  ComparisonReport,\n  AggregateReport,\n  ExportResult,\n  FunctionalTestResult,\n} from '../types/monitoring';\nimport { logger } from '../utils/logger';\n\n/**\n * Register all monitoring and reporting tools with the MCP server\n * Note: These tools are opt-in and disabled by default for end-users.\n * Set enableMonitoringTools: true in monitoring config to enable them.\n */\nexport function registerMonitoringTools(server: McpServer): void {\n  const config = sessionDataManager.getConfig();\n  \n  // Check if monitoring tools are enabled (opt-in, disabled by default)\n  if (!config.enableMonitoringTools) {\n    logger.info('Monitoring tools are disabled (opt-in). Set enableMonitoringTools: true to enable session_* tools.');\n    return;\n  }\n\n  // Session Management Tools - session_start removed per feedback (auto-creation instead)\n  registerSessionEndTool(server);\n  registerSessionGetTool(server);\n  registerSessionListTool(server);\n  registerSessionUpdateStateTool(server);\n\n  // Session Analytics Tools\n  registerSessionGetCallHistoryTool(server);\n  registerSessionGetTestHistoryTool(server);\n  registerSessionGetScoreHistoryTool(server);\n  registerSessionCalculateCurrentScoreTool(server);\n\n  // Batch Operations Tools\n  registerSessionsCompareTool(server);\n  registerSessionsAggregateTool(server);\n  registerSessionsExportTool(server);\n\n  // Note: Functional Testing Support Tools are internal only, not exposed as MCP tools\n\n  logger.info('Registered monitoring and reporting tools');\n}\n\n/**\n * Session Management Tools\n */\n\n// session_start tool removed - sessions are now auto-created when needed\n// Sessions are automatically created when MCP tools are called with queryPath\n// If explicit session creation is needed, provide sessionId=null and it will auto-create\n\nfunction registerSessionEndTool(server: McpServer): void {\n  server.tool(\n    'session_end',\n    'End a query development session with final status',\n    {\n      sessionId: z.string().describe('ID of the session to end'),\n      status: z.enum(['completed', 'failed', 'abandoned']).describe('Final status of the session'),\n    },\n    async ({ sessionId, status }) => {\n      try {\n        const session = await sessionDataManager.endSession(sessionId, status);\n        \n        if (!session) {\n          return {\n            content: [\n              {\n                type: 'text',\n                text: `Session not found: ${sessionId}`,\n              },\n            ],\n            isError: true,\n          };\n        }\n\n        return {\n          content: [\n            {\n              type: 'text',\n              text: JSON.stringify(session, null, 2),\n            },\n          ],\n        };\n      } catch (error) {\n        logger.error('Error ending session:', error);\n        return {\n          content: [\n            {\n              type: 'text',\n              text: `Error ending session: ${error instanceof Error ? error.message : 'Unknown error'}`,\n            },\n          ],\n          isError: true,\n        };\n      }\n    }\n  );\n}\n\nfunction registerSessionGetTool(server: McpServer): void {\n  server.tool(\n    'session_get',\n    'Get complete details of a specific query development session',\n    {\n      sessionId: z.string().describe('ID of the session to retrieve'),\n    },\n    async ({ sessionId }) => {\n      try {\n        const session = await sessionDataManager.getSession(sessionId);\n        \n        if (!session) {\n          return {\n            content: [\n              {\n                type: 'text',\n                text: `Session not found: ${sessionId}`,\n              },\n            ],\n            isError: true,\n          };\n        }\n\n        return {\n          content: [\n            {\n              type: 'text',\n              text: JSON.stringify(session, null, 2),\n            },\n          ],\n        };\n      } catch (error) {\n        logger.error('Error getting session:', error);\n        return {\n          content: [\n            {\n              type: 'text',\n              text: `Error getting session: ${error instanceof Error ? error.message : 'Unknown error'}`,\n            },\n          ],\n          isError: true,\n        };\n      }\n    }\n  );\n}\n\nfunction registerSessionListTool(server: McpServer): void {\n  server.tool(\n    'session_list',\n    'List query development sessions with optional filtering',\n    {\n      queryPath: z.string().optional().describe('Filter by query path (partial match)'),\n      status: z.string().optional().describe('Filter by session status'),\n      dateRange: z.array(z.string()).length(2).optional().describe('Filter by date range [start, end] (ISO timestamps)'),\n      language: z.string().optional().describe('Filter by programming language'),\n      queryType: z.string().optional().describe('Filter by query type'),\n    },\n    async ({ queryPath, status, dateRange, language, queryType }) => {\n      try {\n        const filters: SessionFilter = {};\n        if (queryPath) filters.queryPath = queryPath;\n        if (status) filters.status = status;\n        if (dateRange) filters.dateRange = [dateRange[0], dateRange[1]];\n        if (language) filters.language = language;\n        if (queryType) filters.queryType = queryType;\n\n        const sessions = await sessionDataManager.listSessions(\n          Object.keys(filters).length > 0 ? filters : undefined\n        );\n\n        const sessionList = {\n          totalSessions: sessions.length,\n          sessions: sessions.map(s => ({\n            sessionId: s.sessionId,\n            queryPath: s.queryPath,\n            language: s.language,\n            status: s.status,\n            startTime: s.startTime,\n            endTime: s.endTime,\n            mcpCallsCount: s.mcpCalls.length,\n            testExecutionsCount: s.testExecutions.length,\n            currentScore: s.qualityScores.length > 0 \n              ? s.qualityScores[s.qualityScores.length - 1].overallScore \n              : null,\n          })),\n        };\n\n        return {\n          content: [\n            {\n              type: 'text',\n              text: JSON.stringify(sessionList, null, 2),\n            },\n          ],\n          recommendations: generateListRecommendations(sessions),\n        };\n      } catch (error) {\n        logger.error('Error listing sessions:', error);\n        return {\n          content: [\n            {\n              type: 'text',\n              text: `Error listing sessions: ${error instanceof Error ? error.message : 'Unknown error'}`,\n            },\n          ],\n          isError: true,\n        };\n      }\n    }\n  );\n}\n\nfunction registerSessionUpdateStateTool(server: McpServer): void {\n  server.tool(\n    'session_update_state',\n    'Update the current state of a query development session',\n    {\n      sessionId: z.string().describe('ID of the session to update'),\n      filesPresent: z.array(z.string()).optional().describe('List of files present in the query development'),\n      compilationStatus: z.enum(['unknown', 'success', 'failed']).optional().describe('Current compilation status'),\n      testStatus: z.enum(['unknown', 'passing', 'failing', 'no_tests']).optional().describe('Current test status'),\n      documentationStatus: z.enum(['unknown', 'present', 'missing', 'incomplete']).optional().describe('Documentation status'),\n    },\n    async ({ sessionId, filesPresent, compilationStatus, testStatus, documentationStatus }) => {\n      try {\n        const stateUpdate: Record<string, unknown> = {};\n        if (filesPresent !== undefined) stateUpdate.filesPresent = filesPresent;\n        if (compilationStatus !== undefined) stateUpdate.compilationStatus = compilationStatus;\n        if (testStatus !== undefined) stateUpdate.testStatus = testStatus;\n        if (documentationStatus !== undefined) stateUpdate.documentationStatus = documentationStatus;\n\n        const session = await sessionDataManager.updateSessionState(sessionId, stateUpdate);\n        \n        if (!session) {\n          return {\n            content: [\n              {\n                type: 'text',\n                text: `Session not found: ${sessionId}`,\n              },\n            ],\n            isError: true,\n          };\n        }\n\n        return {\n          content: [\n            {\n              type: 'text',\n              text: JSON.stringify(session, null, 2),\n            },\n          ],\n          recommendations: generateRecommendations(session, 'session_update_state'),\n        };\n      } catch (error) {\n        logger.error('Error updating session state:', error);\n        return {\n          content: [\n            {\n              type: 'text',\n              text: `Error updating session state: ${error instanceof Error ? error.message : 'Unknown error'}`,\n            },\n          ],\n          isError: true,\n        };\n      }\n    }\n  );\n}\n\n/**\n * Session Analytics Tools\n */\n\nfunction registerSessionGetCallHistoryTool(server: McpServer): void {\n  server.tool(\n    'session_get_call_history',\n    'Get MCP call history for a specific session',\n    {\n      sessionId: z.string().describe('ID of the session'),\n      limit: z.number().optional().describe('Maximum number of calls to return (most recent first)'),\n    },\n    async ({ sessionId, limit }) => {\n      try {\n        const session = await sessionDataManager.getSession(sessionId);\n        \n        if (!session) {\n          return {\n            content: [\n              {\n                type: 'text',\n                text: `Session not found: ${sessionId}`,\n              },\n            ],\n            isError: true,\n          };\n        }\n\n        let calls = [...session.mcpCalls].reverse(); // Most recent first\n        if (limit && limit > 0) {\n          calls = calls.slice(0, limit);\n        }\n\n        return {\n          content: [\n            {\n              type: 'text',\n              text: JSON.stringify({\n                sessionId,\n                totalCalls: session.mcpCalls.length,\n                callHistory: calls,\n              }, null, 2),\n            },\n          ],\n        };\n      } catch (error) {\n        logger.error('Error getting call history:', error);\n        return {\n          content: [\n            {\n              type: 'text',\n              text: `Error getting call history: ${error instanceof Error ? error.message : 'Unknown error'}`,\n            },\n          ],\n          isError: true,\n        };\n      }\n    }\n  );\n}\n\nfunction registerSessionGetTestHistoryTool(server: McpServer): void {\n  server.tool(\n    'session_get_test_history',\n    'Get test execution history for a specific session',\n    {\n      sessionId: z.string().describe('ID of the session'),\n      limit: z.number().optional().describe('Maximum number of test executions to return (most recent first)'),\n    },\n    async ({ sessionId, limit }) => {\n      try {\n        const session = await sessionDataManager.getSession(sessionId);\n        \n        if (!session) {\n          return {\n            content: [\n              {\n                type: 'text',\n                text: `Session not found: ${sessionId}`,\n              },\n            ],\n            isError: true,\n          };\n        }\n\n        let tests = [...session.testExecutions].reverse(); // Most recent first\n        if (limit && limit > 0) {\n          tests = tests.slice(0, limit);\n        }\n\n        return {\n          content: [\n            {\n              type: 'text',\n              text: JSON.stringify({\n                sessionId,\n                totalTests: session.testExecutions.length,\n                testHistory: tests,\n              }, null, 2),\n            },\n          ],\n        };\n      } catch (error) {\n        logger.error('Error getting test history:', error);\n        return {\n          content: [\n            {\n              type: 'text',\n              text: `Error getting test history: ${error instanceof Error ? error.message : 'Unknown error'}`,\n            },\n          ],\n          isError: true,\n        };\n      }\n    }\n  );\n}\n\nfunction registerSessionGetScoreHistoryTool(server: McpServer): void {\n  server.tool(\n    'session_get_score_history',\n    'Get quality score history for a specific session',\n    {\n      sessionId: z.string().describe('ID of the session'),\n      limit: z.number().optional().describe('Maximum number of scores to return (most recent first)'),\n    },\n    async ({ sessionId, limit }) => {\n      try {\n        const session = await sessionDataManager.getSession(sessionId);\n        \n        if (!session) {\n          return {\n            content: [\n              {\n                type: 'text',\n                text: `Session not found: ${sessionId}`,\n              },\n            ],\n            isError: true,\n          };\n        }\n\n        let scores = [...session.qualityScores].reverse(); // Most recent first\n        if (limit && limit > 0) {\n          scores = scores.slice(0, limit);\n        }\n\n        return {\n          content: [\n            {\n              type: 'text',\n              text: JSON.stringify({\n                sessionId,\n                totalScores: session.qualityScores.length,\n                scoreHistory: scores,\n              }, null, 2),\n            },\n          ],\n        };\n      } catch (error) {\n        logger.error('Error getting score history:', error);\n        return {\n          content: [\n            {\n              type: 'text',\n              text: `Error getting score history: ${error instanceof Error ? error.message : 'Unknown error'}`,\n            },\n          ],\n          isError: true,\n        };\n      }\n    }\n  );\n}\n\nfunction registerSessionCalculateCurrentScoreTool(server: McpServer): void {\n  server.tool(\n    'session_calculate_current_score',\n    'Calculate current quality score for a session based on its state',\n    {\n      sessionId: z.string().describe('ID of the session'),\n    },\n    async ({ sessionId }) => {\n      try {\n        const session = await sessionDataManager.getSession(sessionId);\n        \n        if (!session) {\n          return {\n            content: [\n              {\n                type: 'text',\n                text: `Session not found: ${sessionId}`,\n              },\n            ],\n            isError: true,\n          };\n        }\n\n        // Calculate quality score based on current state\n        const scoreRecord = calculateQualityScore(session);\n        \n        // Add the score to the session\n        await sessionDataManager.addQualityScore(sessionId, scoreRecord);\n        \n        // Get updated session with new score\n        const updatedSession = await sessionDataManager.getSession(sessionId);\n\n        return {\n          content: [\n            {\n              type: 'text',\n              text: JSON.stringify(scoreRecord, null, 2),\n            },\n          ],\n          recommendations: generateRecommendations(updatedSession, 'session_calculate_current_score'),\n        };\n      } catch (error) {\n        logger.error('Error calculating current score:', error);\n        return {\n          content: [\n            {\n              type: 'text',\n              text: `Error calculating current score: ${error instanceof Error ? error.message : 'Unknown error'}`,\n            },\n          ],\n          isError: true,\n        };\n      }\n    }\n  );\n}\n\n/**\n * Batch Operations Tools\n */\n\nfunction registerSessionsCompareTool(server: McpServer): void {\n  server.tool(\n    'sessions_compare',\n    'Compare multiple query development sessions across specified dimensions',\n    {\n      sessionIds: z.array(z.string()).describe('Array of session IDs to compare'),\n      dimensions: z.array(z.string()).optional().describe('Specific dimensions to compare (default: all)'),\n    },\n    async ({ sessionIds, dimensions }) => {\n      try {\n        const sessions = await Promise.all(\n          sessionIds.map(id => sessionDataManager.getSession(id))\n        );\n\n        const validSessions = sessions.filter(s => s !== null) as QueryDevelopmentSession[];\n        \n        if (validSessions.length === 0) {\n          return {\n            content: [\n              {\n                type: 'text',\n                text: 'No valid sessions found for comparison',\n              },\n            ],\n            isError: true,\n          };\n        }\n\n        const comparison = await compareSessions(validSessions, dimensions);\n\n        return {\n          content: [\n            {\n              type: 'text',\n              text: JSON.stringify(comparison, null, 2),\n            },\n          ],\n        };\n      } catch (error) {\n        logger.error('Error comparing sessions:', error);\n        return {\n          content: [\n            {\n              type: 'text',\n              text: `Error comparing sessions: ${error instanceof Error ? error.message : 'Unknown error'}`,\n            },\n          ],\n          isError: true,\n        };\n      }\n    }\n  );\n}\n\nfunction registerSessionsAggregateTool(server: McpServer): void {\n  server.tool(\n    'sessions_aggregate',\n    'Generate aggregate insights from multiple sessions based on filters',\n    {\n      queryPath: z.string().optional().describe('Filter by query path (partial match)'),\n      status: z.string().optional().describe('Filter by session status'),\n      dateRange: z.array(z.string()).length(2).optional().describe('Filter by date range [start, end] (ISO timestamps)'),\n      language: z.string().optional().describe('Filter by programming language'),\n      queryType: z.string().optional().describe('Filter by query type'),\n    },\n    async ({ queryPath, status, dateRange, language, queryType }) => {\n      try {\n        const filters: SessionFilter = {};\n        if (queryPath) filters.queryPath = queryPath;\n        if (status) filters.status = status;\n        if (dateRange) filters.dateRange = [dateRange[0], dateRange[1]];\n        if (language) filters.language = language;\n        if (queryType) filters.queryType = queryType;\n\n        const sessions = await sessionDataManager.listSessions(\n          Object.keys(filters).length > 0 ? filters : undefined\n        );\n\n        const aggregate = await aggregateSessions(sessions, filters);\n\n        return {\n          content: [\n            {\n              type: 'text',\n              text: JSON.stringify(aggregate, null, 2),\n            },\n          ],\n        };\n      } catch (error) {\n        logger.error('Error aggregating sessions:', error);\n        return {\n          content: [\n            {\n              type: 'text',\n              text: `Error aggregating sessions: ${error instanceof Error ? error.message : 'Unknown error'}`,\n            },\n          ],\n          isError: true,\n        };\n      }\n    }\n  );\n}\n\nfunction registerSessionsExportTool(server: McpServer): void {\n  server.tool(\n    'sessions_export',\n    'Export session data in specified format for external analysis',\n    {\n      sessionIds: z.array(z.string()).describe('Array of session IDs to export'),\n      format: z.enum(['json', 'html', 'markdown']).optional().default('json').describe('Export format'),\n    },\n    async ({ sessionIds, format = 'json' }) => {\n      try {\n        const sessions = await Promise.all(\n          sessionIds.map(id => sessionDataManager.getSession(id))\n        );\n\n        const validSessions = sessions.filter(s => s !== null) as QueryDevelopmentSession[];\n        \n        if (validSessions.length === 0) {\n          return {\n            content: [\n              {\n                type: 'text',\n                text: 'No valid sessions found for export',\n              },\n            ],\n            isError: true,\n          };\n        }\n\n        const exportResult = await exportSessions(validSessions, format);\n\n        return {\n          content: [\n            {\n              type: 'text',\n              text: JSON.stringify(exportResult, null, 2),\n            },\n          ],\n        };\n      } catch (error) {\n        logger.error('Error exporting sessions:', error);\n        return {\n          content: [\n            {\n              type: 'text',\n              text: `Error exporting sessions: ${error instanceof Error ? error.message : 'Unknown error'}`,\n            },\n          ],\n          isError: true,\n        };\n      }\n    }\n  );\n}\n\n/**\n * Helper Functions\n */\n\n/**\n * Calculate quality score for a session based on current state and history\n */\nfunction calculateQualityScore(session: QueryDevelopmentSession): QualityScoreRecord {\n  const timestamp = new Date().toISOString();\n  \n  // Calculate syntactic correctness (25%)\n  const syntacticCorrectness = session.currentState.compilationStatus === 'success' ? 100 :\n    session.currentState.compilationStatus === 'failed' ? 0 : 50;\n\n  // Calculate test coverage and results (30%)\n  const testCoverageResults = session.currentState.testStatus === 'passing' ? 100 :\n    session.currentState.testStatus === 'failing' ? 25 :\n    session.currentState.testStatus === 'no_tests' ? 0 : 50;\n\n  // Calculate documentation quality (20%)\n  const documentationQuality = session.currentState.documentationStatus === 'present' ? 100 :\n    session.currentState.documentationStatus === 'incomplete' ? 60 :\n    session.currentState.documentationStatus === 'missing' ? 0 : 50;\n\n  // Calculate functional correctness (25%) - based on successful test runs\n  const successfulTests = session.testExecutions.filter(t => t.success && t.type === 'test_run').length;\n  const totalTests = session.testExecutions.filter(t => t.type === 'test_run').length;\n  const functionalCorrectness = totalTests > 0 ? (successfulTests / totalTests) * 100 : 50;\n\n  // Calculate overall score\n  const overallScore = Math.round(\n    (syntacticCorrectness * 0.25) +\n    (testCoverageResults * 0.30) +\n    (documentationQuality * 0.20) +\n    (functionalCorrectness * 0.25)\n  );\n\n  // Determine grade\n  const grade = overallScore >= 90 ? 'A' :\n    overallScore >= 80 ? 'B' :\n    overallScore >= 70 ? 'C' :\n    overallScore >= 60 ? 'D' : 'F';\n\n  // Generate recommendations\n  const recommendations: string[] = [];\n  if (syntacticCorrectness < 100) {\n    recommendations.push('Fix compilation errors to improve syntactic correctness');\n  }\n  if (testCoverageResults < 70) {\n    recommendations.push('Add comprehensive tests and ensure they pass');\n  }\n  if (documentationQuality < 80) {\n    recommendations.push('Add or improve query documentation with examples');\n  }\n  if (functionalCorrectness < 80) {\n    recommendations.push('Improve test pass rate and verify query logic');\n  }\n\n  return {\n    scoreId: randomUUID(),\n    timestamp,\n    overallScore,\n    dimensions: {\n      syntacticCorrectness,\n      testCoverageResults,\n      documentationQuality,\n      functionalCorrectness,\n    },\n    grade,\n    recommendations,\n  };\n}\n\n/**\n * Compare multiple sessions\n */\nasync function compareSessions(\n  sessions: QueryDevelopmentSession[],\n  dimensions?: string[]\n): Promise<ComparisonReport> {\n  const timestamp = new Date().toISOString();\n  const sessionIds = sessions.map(s => s.sessionId);\n  \n  const results: Record<string, unknown> = {\n    sessionCount: sessions.length,\n    sessionOverview: sessions.map(s => ({\n      sessionId: s.sessionId,\n      queryPath: s.queryPath,\n      status: s.status,\n      mcpCallsCount: s.mcpCalls.length,\n      duration: s.endTime ? \n        new Date(s.endTime).getTime() - new Date(s.startTime).getTime() : \n        new Date().getTime() - new Date(s.startTime).getTime(),\n      currentScore: s.qualityScores.length > 0 ? \n        s.qualityScores[s.qualityScores.length - 1].overallScore : null,\n    })),\n  };\n\n  if (!dimensions || dimensions.includes('quality')) {\n    const qualityScores = sessions.map(s => \n      s.qualityScores.length > 0 ? s.qualityScores[s.qualityScores.length - 1] : null\n    );\n    results.qualityComparison = {\n      averageScore: qualityScores\n        .filter(q => q !== null)\n        .reduce((sum, q) => sum + q!.overallScore, 0) / qualityScores.filter(q => q !== null).length,\n      scoreRange: {\n        min: Math.min(...qualityScores.filter(q => q !== null).map(q => q!.overallScore)),\n        max: Math.max(...qualityScores.filter(q => q !== null).map(q => q!.overallScore)),\n      },\n    };\n  }\n\n  if (!dimensions || dimensions.includes('activity')) {\n    results.activityComparison = {\n      totalMCPCalls: sessions.reduce((sum, s) => sum + s.mcpCalls.length, 0),\n      averageCallsPerSession: sessions.reduce((sum, s) => sum + s.mcpCalls.length, 0) / sessions.length,\n      mostActiveTool: getMostUsedTool(sessions),\n    };\n  }\n\n  return {\n    sessionIds,\n    dimensions: dimensions || ['all'],\n    timestamp,\n    results,\n  };\n}\n\n/**\n * Aggregate insights from multiple sessions\n */\nasync function aggregateSessions(\n  sessions: QueryDevelopmentSession[],\n  filters: SessionFilter\n): Promise<AggregateReport> {\n  const timestamp = new Date().toISOString();\n  \n  const completedSessions = sessions.filter(s => s.status === 'completed');\n  const successRate = sessions.length > 0 ? completedSessions.length / sessions.length : 0;\n  \n  const qualityScores = sessions\n    .map(s => s.qualityScores.length > 0 ? s.qualityScores[s.qualityScores.length - 1].overallScore : null)\n    .filter(score => score !== null) as number[];\n  \n  const averageQualityScore = qualityScores.length > 0 ? \n    qualityScores.reduce((sum, score) => sum + score, 0) / qualityScores.length : 0;\n\n  const commonPatterns = identifyCommonPatterns(sessions);\n  const recommendations = generateAggregateRecommendations(sessions);\n\n  return {\n    filters,\n    timestamp,\n    totalSessions: sessions.length,\n    successRate,\n    averageQualityScore,\n    commonPatterns,\n    recommendations,\n  };\n}\n\n/**\n * Export sessions in specified format\n */\nasync function exportSessions(\n  sessions: QueryDevelopmentSession[],\n  format: 'json' | 'html' | 'markdown'\n): Promise<ExportResult> {\n  const timestamp = new Date().toISOString();\n  const filename = `session-export-${timestamp.replace(/[:.]/g, '-')}.${format}`;\n  \n  let content: string;\n  \n  switch (format) {\n    case 'json':\n      content = JSON.stringify(sessions, null, 2);\n      break;\n    case 'html':\n      content = generateHTMLReport(sessions);\n      break;\n    case 'markdown':\n      content = generateMarkdownReport(sessions);\n      break;\n  }\n\n  return {\n    format,\n    filename,\n    content,\n    timestamp,\n  };\n}\n\n/**\n * Utility functions\n */\n\nfunction getMostUsedTool(sessions: QueryDevelopmentSession[]): string {\n  const toolCounts: Record<string, number> = {};\n  \n  sessions.forEach(session => {\n    session.mcpCalls.forEach(call => {\n      toolCounts[call.toolName] = (toolCounts[call.toolName] || 0) + 1;\n    });\n  });\n\n  return Object.entries(toolCounts)\n    .sort(([, a], [, b]) => b - a)[0]?.[0] || 'none';\n}\n\nfunction identifyCommonPatterns(sessions: QueryDevelopmentSession[]): string[] {\n  const patterns: string[] = [];\n  \n  const commonTools = getMostUsedTool(sessions);\n  if (commonTools && commonTools !== 'none') {\n    patterns.push(`Most commonly used tool: ${commonTools}`);\n  }\n\n  const completionRate = sessions.filter(s => s.status === 'completed').length / sessions.length;\n  if (completionRate > 0.8) {\n    patterns.push('High completion rate indicates effective workflow');\n  } else if (completionRate < 0.5) {\n    patterns.push('Low completion rate suggests workflow issues');\n  }\n\n  return patterns;\n}\n\nfunction generateAggregateRecommendations(sessions: QueryDevelopmentSession[]): string[] {\n  const recommendations: string[] = [];\n  \n  const failedSessions = sessions.filter(s => s.status === 'failed');\n  if (failedSessions.length > sessions.length * 0.3) {\n    recommendations.push('High failure rate - consider improving error handling and guidance');\n  }\n\n  const averageCallsPerSession = sessions.reduce((sum, s) => sum + s.mcpCalls.length, 0) / sessions.length;\n  if (averageCallsPerSession > 20) {\n    recommendations.push('High number of MCP calls per session - consider workflow optimization');\n  }\n\n  return recommendations;\n}\n\nfunction generateHTMLReport(sessions: QueryDevelopmentSession[]): string {\n  const html = `\n<!DOCTYPE html>\n<html>\n<head>\n    <title>Session Export Report</title>\n    <style>\n        body { font-family: Arial, sans-serif; margin: 20px; }\n        table { border-collapse: collapse; width: 100%; }\n        th, td { border: 1px solid #ddd; padding: 8px; text-align: left; }\n        th { background-color: #f2f2f2; }\n        .session { margin-bottom: 20px; padding: 10px; border: 1px solid #eee; }\n    </style>\n</head>\n<body>\n    <h1>Query Development Sessions Report</h1>\n    <p>Generated: ${new Date().toISOString()}</p>\n    <p>Total Sessions: ${sessions.length}</p>\n    \n    ${sessions.map(session => `\n    <div class=\"session\">\n        <h2>Session: ${session.sessionId}</h2>\n        <p><strong>Query Path:</strong> ${session.queryPath}</p>\n        <p><strong>Status:</strong> ${session.status}</p>\n        <p><strong>Language:</strong> ${session.language}</p>\n        <p><strong>Start Time:</strong> ${session.startTime}</p>\n        <p><strong>MCP Calls:</strong> ${session.mcpCalls.length}</p>\n        <p><strong>Test Executions:</strong> ${session.testExecutions.length}</p>\n        <p><strong>Quality Scores:</strong> ${session.qualityScores.length}</p>\n    </div>\n    `).join('')}\n</body>\n</html>`;\n  \n  return html;\n}\n\nfunction generateMarkdownReport(sessions: QueryDevelopmentSession[]): string {\n  const md = `# Query Development Sessions Report\n\nGenerated: ${new Date().toISOString()}\nTotal Sessions: ${sessions.length}\n\n## Session Summary\n\n| Session ID | Query Path | Status | Language | MCP Calls | Test Executions |\n|------------|-----------|--------|----------|-----------|-----------------|\n${sessions.map(session => \n  `| ${session.sessionId} | ${session.queryPath} | ${session.status} | ${session.language} | ${session.mcpCalls.length} | ${session.testExecutions.length} |`\n).join('\\n')}\n\n## Detailed Sessions\n\n${sessions.map(session => `\n### Session: ${session.sessionId}\n\n- **Query Path:** ${session.queryPath}\n- **Status:** ${session.status}\n- **Language:** ${session.language}\n- **Start Time:** ${session.startTime}\n- **End Time:** ${session.endTime || 'N/A'}\n- **MCP Calls:** ${session.mcpCalls.length}\n- **Test Executions:** ${session.testExecutions.length}\n- **Quality Scores:** ${session.qualityScores.length}\n\n${session.recommendations.length > 0 ? `\n**Current Recommendations:**\n${session.recommendations.map(rec => `- ${rec}`).join('\\n')}\n` : ''}\n`).join('\\n')}`;\n\n  return md;\n}\n\nfunction _calculateAverageDuration(sessions: QueryDevelopmentSession[]): number {\n  const completedSessions = sessions.filter(s => s.endTime);\n  if (completedSessions.length === 0) return 0;\n\n  const totalDuration = completedSessions.reduce((sum, session) => {\n    return sum + (new Date(session.endTime!).getTime() - new Date(session.startTime).getTime());\n  }, 0);\n\n  return totalDuration / completedSessions.length;\n}\n\nfunction _identifyFailureReasons(results: FunctionalTestResult[]): string[] {\n  const failedResults = results.filter(r => !r.passed);\n  const reasons: Record<string, number> = {};\n\n  failedResults.forEach(result => {\n    Object.entries(result.criteria).forEach(([criterion, passed]) => {\n      if (!passed) {\n        reasons[criterion] = (reasons[criterion] || 0) + 1;\n      }\n    });\n  });\n\n  return Object.entries(reasons)\n    .sort(([, a], [, b]) => b - a)\n    .map(([reason, count]) => `${reason}: ${count} sessions`);\n}\n\n/**\n * Generate recommendations for MCP tool responses\n * Returns a map of MCP primitive paths to recommendation reasons\n */\nfunction generateRecommendations(\n  session: QueryDevelopmentSession | null,\n  currentTool: string\n): Record<string, string> {\n  if (!session) {\n    return {};\n  }\n\n  const recommendations: Record<string, string> = {};\n\n  // Session state-based recommendations\n  if (session.currentState.compilationStatus === 'failed') {\n    recommendations['codeql_query_format'] = 'Format query to fix potential syntax issues';\n    recommendations['codeql_query_compile'] = 'Recompile after fixing syntax errors';\n  } else if (session.currentState.compilationStatus === 'success') {\n    if (session.currentState.testStatus === 'unknown' || session.currentState.testStatus === 'no_tests') {\n      recommendations['codeql_test_run'] = 'Run tests to validate query functionality';\n    } else if (session.currentState.testStatus === 'failing') {\n      recommendations['session_get_test_history'] = 'Review test failures to identify issues';\n      recommendations['codeql_query_compile'] = 'Verify query logic matches test expectations';\n    } else if (session.currentState.testStatus === 'passing') {\n      recommendations['session_calculate_current_score'] = 'Calculate quality score for completed query';\n    }\n  }\n\n  // Tool-specific follow-up recommendations\n  switch (currentTool) {\n    case 'session_get':\n      if (session.mcpCalls.length === 0) {\n        recommendations['codeql_query_compile'] = 'Start development by compiling the query';\n      }\n      break;\n    case 'session_end':\n      if (session.status === 'completed') {\n        recommendations['sessions_export'] = 'Export session data for analysis';\n      }\n      break;\n    case 'session_calculate_current_score': {\n      const latestScore = session.qualityScores[session.qualityScores.length - 1];\n      if (latestScore && latestScore.overallScore < 80) {\n        if (latestScore.dimensions.syntacticCorrectness < 100) {\n          recommendations['codeql_query_format'] = 'Improve syntax and formatting';\n        }\n        if (latestScore.dimensions.testCoverageResults < 70) {\n          recommendations['codeql_test_run'] = 'Improve test coverage and results';\n        }\n      }\n      break;\n    }\n    case 'session_update_state':\n      // Recommend next logical step based on updated state\n      if (session.currentState.compilationStatus === 'success' && session.currentState.testStatus === 'unknown') {\n        recommendations['codeql_test_run'] = 'Run tests now that compilation is successful';\n      }\n      break;\n  }\n\n  return recommendations;\n}\n\n/**\n * Generate recommendations for session list results\n */\nfunction generateListRecommendations(sessions: QueryDevelopmentSession[]): Record<string, string> {\n  const recommendations: Record<string, string> = {};\n\n  const activeSessions = sessions.filter(s => s.status === 'active');\n  const completedSessions = sessions.filter(s => s.status === 'completed');\n\n  if (activeSessions.length > 0) {\n    recommendations['session_get'] = `Review details of ${activeSessions.length} active session(s)`;\n  }\n\n  if (completedSessions.length > 1) {\n    recommendations['sessions_compare'] = 'Compare completed sessions to identify patterns';\n    recommendations['sessions_aggregate'] = 'Generate aggregate insights from multiple sessions';\n  }\n\n  if (sessions.length > 5) {\n    recommendations['sessions_export'] = 'Export session data for comprehensive analysis';\n  }\n\n  return recommendations;\n}", "function checkArgs(adapter, defaultData) {\n    if (adapter === undefined)\n        throw new Error('lowdb: missing adapter');\n    if (defaultData === undefined)\n        throw new Error('lowdb: missing default data');\n}\nexport class Low {\n    adapter;\n    data;\n    constructor(adapter, defaultData) {\n        checkArgs(adapter, defaultData);\n        this.adapter = adapter;\n        this.data = defaultData;\n    }\n    async read() {\n        const data = await this.adapter.read();\n        if (data)\n            this.data = data;\n    }\n    async write() {\n        if (this.data)\n            await this.adapter.write(this.data);\n    }\n    async update(fn) {\n        fn(this.data);\n        await this.write();\n    }\n}\nexport class LowSync {\n    adapter;\n    data;\n    constructor(adapter, defaultData) {\n        checkArgs(adapter, defaultData);\n        this.adapter = adapter;\n        this.data = defaultData;\n    }\n    read() {\n        const data = this.adapter.read();\n        if (data)\n            this.data = data;\n    }\n    write() {\n        if (this.data)\n            this.adapter.write(this.data);\n    }\n    update(fn) {\n        fn(this.data);\n        this.write();\n    }\n}\n", "import { readFileSync, renameSync, writeFileSync } from 'node:fs';\nimport { readFile } from 'node:fs/promises';\nimport path from 'node:path';\nimport { Writer } from 'steno';\nexport class TextFile {\n    #filename;\n    #writer;\n    constructor(filename) {\n        this.#filename = filename;\n        this.#writer = new Writer(filename);\n    }\n    async read() {\n        let data;\n        try {\n            data = await readFile(this.#filename, 'utf-8');\n        }\n        catch (e) {\n            if (e.code === 'ENOENT') {\n                return null;\n            }\n            throw e;\n        }\n        return data;\n    }\n    write(str) {\n        return this.#writer.write(str);\n    }\n}\nexport class TextFileSync {\n    #tempFilename;\n    #filename;\n    constructor(filename) {\n        this.#filename = filename;\n        const f = filename.toString();\n        this.#tempFilename = path.join(path.dirname(f), `.${path.basename(f)}.tmp`);\n    }\n    read() {\n        let data;\n        try {\n            data = readFileSync(this.#filename, 'utf-8');\n        }\n        catch (e) {\n            if (e.code === 'ENOENT') {\n                return null;\n            }\n            throw e;\n        }\n        return data;\n    }\n    write(str) {\n        writeFileSync(this.#tempFilename, str);\n        renameSync(this.#tempFilename, this.#filename);\n    }\n}\n", "import { TextFile, TextFileSync } from './TextFile.js';\nexport class DataFile {\n    #adapter;\n    #parse;\n    #stringify;\n    constructor(filename, { parse, stringify, }) {\n        this.#adapter = new TextFile(filename);\n        this.#parse = parse;\n        this.#stringify = stringify;\n    }\n    async read() {\n        const data = await this.#adapter.read();\n        if (data === null) {\n            return null;\n        }\n        else {\n            return this.#parse(data);\n        }\n    }\n    write(obj) {\n        return this.#adapter.write(this.#stringify(obj));\n    }\n}\nexport class DataFileSync {\n    #adapter;\n    #parse;\n    #stringify;\n    constructor(filename, { parse, stringify, }) {\n        this.#adapter = new TextFileSync(filename);\n        this.#parse = parse;\n        this.#stringify = stringify;\n    }\n    read() {\n        const data = this.#adapter.read();\n        if (data === null) {\n            return null;\n        }\n        else {\n            return this.#parse(data);\n        }\n    }\n    write(obj) {\n        this.#adapter.write(this.#stringify(obj));\n    }\n}\n", "import { DataFile, DataFileSync } from './DataFile.js';\nexport class JSONFile extends DataFile {\n    constructor(filename) {\n        super(filename, {\n            parse: JSON.parse,\n            stringify: (data) => JSON.stringify(data, null, 2),\n        });\n    }\n}\nexport class JSONFileSync extends DataFileSync {\n    constructor(filename) {\n        super(filename, {\n            parse: JSON.parse,\n            stringify: (data) => JSON.stringify(data, null, 2),\n        });\n    }\n}\n", "/**\n * Session Data Management\n * Provides unified JSON storage and session lifecycle management using lowdb\n */\n\nimport { Low } from 'lowdb';\nimport { JSONFileSync } from 'lowdb/node';\nimport { mkdirSync, writeFileSync } from 'fs';\nimport { join } from 'path';\nimport { randomUUID } from 'crypto';\nimport { getProjectTmpBase } from '../utils/temp-dir';\nimport {\n  QueryDevelopmentSession,\n  QueryState,\n  MCPCallRecord,\n  TestExecutionRecord,\n  QualityScoreRecord,\n  SessionFilter,\n  MonitoringConfig,\n  MonitoringConfigSchema,\n} from '../types/monitoring';\nimport { logger } from '../utils/logger';\n\n/**\n * Database schema for lowdb - sessions only\n */\ninterface SessionDatabase {\n  sessions: QueryDevelopmentSession[];\n}\n\n/**\n * Session Data Manager - handles all session persistence and lifecycle\n */\nexport class SessionDataManager {\n  private db: Low<SessionDatabase>;\n  private config: MonitoringConfig;\n  private storageDir: string;\n\n  constructor(configOverrides: Partial<MonitoringConfig> = {}) {\n    this.config = MonitoringConfigSchema.parse({\n      ...MonitoringConfigSchema.parse({}),\n      ...configOverrides,\n    });\n\n    this.storageDir = this.config.storageLocation;\n    this.ensureStorageDirectory();\n\n    const adapter = new JSONFileSync<SessionDatabase>(join(this.storageDir, 'sessions.json'));\n    this.db = new Low(adapter, {\n      sessions: [],\n    });\n\n    this.initializeDatabase();\n  }\n\n  /**\n   * Initialize the database and ensure it's properly set up\n   */\n  async initialize(): Promise<void> {\n    await this.initializeDatabase();\n  }\n\n  /**\n   * Initialize the database and ensure it's properly set up\n   */\n  private async initializeDatabase(): Promise<void> {\n    try {\n      await this.db.read();\n      \n      logger.info(`Session data manager initialized with ${this.db.data.sessions.length} sessions`);\n    } catch (error) {\n      logger.error('Failed to initialize session database:', error);\n      throw error;\n    }\n  }\n\n  /**\n   * Ensure storage directory structure exists\n   */\n  private ensureStorageDirectory(): void {\n    try {\n      // mkdirSync with recursive: true is a no-op if directories already exist\n      mkdirSync(this.storageDir, { recursive: true });\n\n      // Create subdirectories\n      const subdirs = ['sessions-archive', 'exports'];\n      for (const subdir of subdirs) {\n        mkdirSync(join(this.storageDir, subdir), { recursive: true });\n      }\n\n      // Use 'wx' flag (exclusive create) to atomically create config only\n      // if it doesn't exist, avoiding TOCTOU race (CWE-367).\n      const configPath = join(this.storageDir, 'config.json');\n      try {\n        writeFileSync(configPath, JSON.stringify(this.config, null, 2), { flag: 'wx' });\n      } catch (e: unknown) {\n        const err = e as { code?: string };\n        if (err.code !== 'EEXIST') throw e;\n      }\n\n      logger.debug(`Storage directory initialized: ${this.storageDir}`);\n    } catch (error) {\n      logger.error('Failed to create storage directory:', error);\n      throw error;\n    }\n  }\n\n  /**\n   * Start a new query development session\n   */\n  async startSession(\n    queryPath: string,\n    language?: string,\n    queryType?: string,\n    description?: string\n  ): Promise<string> {\n    const sessionId = randomUUID();\n    const startTime = new Date().toISOString();\n\n    const session: QueryDevelopmentSession = {\n      sessionId,\n      queryPath,\n      language: language || 'unknown',\n      queryType,\n      description,\n      startTime,\n      status: 'active',\n      mcpCalls: [],\n      testExecutions: [],\n      qualityScores: [],\n      currentState: {\n        filesPresent: [],\n        compilationStatus: 'unknown',\n        testStatus: 'unknown',\n        documentationStatus: 'unknown',\n        lastActivity: startTime,\n      },\n      recommendations: [],\n    };\n\n    await this.db.read();\n    this.db.data.sessions.push(session);\n    await this.db.write();\n\n    logger.info(`Started new session: ${sessionId} for query: ${queryPath}`);\n    return sessionId;\n  }\n\n  /**\n   * End a session with final status\n   */\n  async endSession(\n    sessionId: string,\n    status: 'completed' | 'failed' | 'abandoned'\n  ): Promise<QueryDevelopmentSession | null> {\n    await this.db.read();\n    \n    const session = this.db.data.sessions.find(s => s.sessionId === sessionId);\n    if (!session) {\n      logger.warn(`Session not found: ${sessionId}`);\n      return null;\n    }\n\n    session.status = status;\n    session.endTime = new Date().toISOString();\n    session.currentState.lastActivity = session.endTime;\n\n    await this.db.write();\n\n    // Archive completed session if enabled\n    if (this.config.archiveCompletedSessions && status === 'completed') {\n      await this.archiveSession(sessionId);\n    }\n\n    logger.info(`Ended session: ${sessionId} with status: ${status}`);\n    return session;\n  }\n\n  /**\n   * Get a specific session by ID\n   */\n  async getSession(sessionId: string): Promise<QueryDevelopmentSession | null> {\n    await this.db.read();\n    const session = this.db.data.sessions.find(s => s.sessionId === sessionId);\n    return session || null;\n  }\n\n  /**\n   * List sessions with optional filtering\n   */\n  async listSessions(filters?: SessionFilter): Promise<QueryDevelopmentSession[]> {\n    await this.db.read();\n    let sessions = [...this.db.data.sessions];\n\n    if (filters) {\n      if (filters.queryPath) {\n        sessions = sessions.filter(s => s.queryPath.includes(filters.queryPath!));\n      }\n      if (filters.status) {\n        sessions = sessions.filter(s => s.status === filters.status);\n      }\n      if (filters.language) {\n        sessions = sessions.filter(s => s.language === filters.language);\n      }\n      if (filters.queryType) {\n        sessions = sessions.filter(s => s.queryType === filters.queryType);\n      }\n      if (filters.dateRange) {\n        const [start, end] = filters.dateRange;\n        sessions = sessions.filter(s => \n          s.startTime >= start && s.startTime <= end\n        );\n      }\n    }\n\n    return sessions;\n  }\n\n  /**\n   * Update session state\n   */\n  async updateSessionState(\n    sessionId: string,\n    stateUpdate: Partial<QueryState>\n  ): Promise<QueryDevelopmentSession | null> {\n    await this.db.read();\n    \n    const session = this.db.data.sessions.find(s => s.sessionId === sessionId);\n    if (!session) {\n      logger.warn(`Session not found: ${sessionId}`);\n      return null;\n    }\n\n    session.currentState = {\n      ...session.currentState,\n      ...stateUpdate,\n      lastActivity: new Date().toISOString(),\n    };\n\n    await this.db.write();\n    return session;\n  }\n\n  /**\n   * Add MCP call record to session\n   */\n  async addMCPCall(sessionId: string, callRecord: MCPCallRecord): Promise<void> {\n    await this.db.read();\n    \n    const session = this.db.data.sessions.find(s => s.sessionId === sessionId);\n    if (!session) {\n      logger.warn(`Session not found for MCP call: ${sessionId}`);\n      return;\n    }\n\n    session.mcpCalls.push(callRecord);\n    session.currentState.lastActivity = callRecord.timestamp;\n\n    // Update next suggested tool if provided\n    if (callRecord.nextSuggestedTool) {\n      session.nextSuggestedTool = callRecord.nextSuggestedTool;\n    }\n\n    await this.db.write();\n  }\n\n  /**\n   * Add test execution record to session\n   */\n  async addTestExecution(sessionId: string, testRecord: TestExecutionRecord): Promise<void> {\n    await this.db.read();\n    \n    const session = this.db.data.sessions.find(s => s.sessionId === sessionId);\n    if (!session) {\n      logger.warn(`Session not found for test execution: ${sessionId}`);\n      return;\n    }\n\n    session.testExecutions.push(testRecord);\n    session.currentState.lastActivity = testRecord.timestamp;\n\n    // Update compilation/test status based on execution\n    if (testRecord.type === 'compilation') {\n      session.currentState.compilationStatus = testRecord.success ? 'success' : 'failed';\n    } else if (testRecord.type === 'test_run') {\n      session.currentState.testStatus = testRecord.success ? 'passing' : 'failing';\n    }\n\n    await this.db.write();\n  }\n\n  /**\n   * Add quality score record to session\n   */\n  async addQualityScore(sessionId: string, scoreRecord: QualityScoreRecord): Promise<void> {\n    await this.db.read();\n    \n    const session = this.db.data.sessions.find(s => s.sessionId === sessionId);\n    if (!session) {\n      logger.warn(`Session not found for quality score: ${sessionId}`);\n      return;\n    }\n\n    session.qualityScores.push(scoreRecord);\n    session.currentState.lastActivity = scoreRecord.timestamp;\n    session.recommendations = scoreRecord.recommendations;\n\n    await this.db.write();\n  }\n\n  /**\n   * Archive a completed session to monthly file\n   */\n  private async archiveSession(sessionId: string): Promise<void> {\n    try {\n      const session = await this.getSession(sessionId);\n      if (!session) return;\n\n      const date = new Date(session.endTime || session.startTime);\n      const monthDir = `${date.getFullYear()}-${String(date.getMonth() + 1).padStart(2, '0')}`;\n      const archiveDir = join(this.storageDir, 'sessions-archive', monthDir);\n\n      mkdirSync(archiveDir, { recursive: true });\n\n      const archiveFile = join(archiveDir, `${sessionId}.json`);\n      writeFileSync(archiveFile, JSON.stringify(session, null, 2));\n\n      // Remove from active sessions\n      await this.db.read();\n      this.db.data.sessions = this.db.data.sessions.filter(s => s.sessionId !== sessionId);\n      await this.db.write();\n\n      logger.info(`Archived session: ${sessionId} to ${archiveFile}`);\n    } catch (error) {\n      logger.error(`Failed to archive session ${sessionId}:`, error);\n    }\n  }\n\n  /**\n   * Get active sessions for a specific query path\n   */\n  async getActiveSessionsForQuery(queryPath: string): Promise<QueryDevelopmentSession[]> {\n    await this.db.read();\n    return this.db.data.sessions.filter(s => \n      s.queryPath === queryPath && s.status === 'active'\n    );\n  }\n\n  /**\n   * Clean up old sessions based on retention policy\n   */\n  async cleanupOldSessions(): Promise<void> {\n    const cutoffDate = new Date();\n    cutoffDate.setDate(cutoffDate.getDate() - this.config.retentionDays);\n    const cutoffTimestamp = cutoffDate.toISOString();\n\n    await this.db.read();\n    const sessionsToRemove = this.db.data.sessions.filter(s => \n      s.endTime && s.endTime < cutoffTimestamp\n    );\n\n    if (sessionsToRemove.length > 0) {\n      this.db.data.sessions = this.db.data.sessions.filter(s => \n        !s.endTime || s.endTime >= cutoffTimestamp\n      );\n      await this.db.write();\n\n      logger.info(`Cleaned up ${sessionsToRemove.length} old sessions`);\n    }\n  }\n\n  /**\n   * Get configuration\n   */\n  getConfig(): MonitoringConfig {\n    return this.config;\n  }\n\n  /**\n   * Update configuration\n   */\n  async updateConfig(configUpdate: Partial<MonitoringConfig>): Promise<void> {\n    this.config = MonitoringConfigSchema.parse({\n      ...this.config,\n      ...configUpdate,\n    });\n\n    // Update config.json file only\n    const configPath = join(this.storageDir, 'config.json');\n    writeFileSync(configPath, JSON.stringify(this.config, null, 2));\n\n    logger.info('Updated monitoring configuration');\n  }\n}\n\n/**\n * Parse boolean environment variable\n */\nfunction parseBoolEnv(envVar: string | undefined, defaultValue: boolean): boolean {\n  if (envVar === undefined) return defaultValue;\n  return envVar.toLowerCase() === 'true' || envVar === '1';\n}\n\n// Export singleton instance with environment variable support\nexport const sessionDataManager = new SessionDataManager({\n  storageLocation: process.env.MONITORING_STORAGE_LOCATION || join(getProjectTmpBase(), '.ql-mcp-tracking'),\n  enableMonitoringTools: parseBoolEnv(process.env.ENABLE_MONITORING_TOOLS, false),\n});", "import { z } from 'zod';\n\n/**\n * Monitoring and Reporting types for CodeQL Development MCP Server\n * Based on the specification in docs/mcp-server-monitoring-and-reporting.md\n */\n\n/**\n * MCP Call Record - captures individual MCP tool calls\n */\nexport const MCPCallRecordSchema = z.object({\n  callId: z.string(),\n  timestamp: z.string(), // ISO timestamp\n  toolName: z.string(),\n  parameters: z.record(z.any()),\n  result: z.any(),\n  success: z.boolean(),\n  duration: z.number(), // milliseconds\n  nextSuggestedTool: z.string().optional(),\n});\n\nexport type MCPCallRecord = z.infer<typeof MCPCallRecordSchema>;\n\n/**\n * Test Execution Record - captures query compilation and test runs\n */\nexport const TestExecutionRecordSchema = z.object({\n  executionId: z.string(),\n  timestamp: z.string(),\n  type: z.enum(['compilation', 'test_run', 'database_build']),\n  success: z.boolean(),\n  details: z.record(z.any()),\n  metrics: z.object({\n    passRate: z.number().optional(),\n    coverage: z.number().optional(),\n    performance: z.number().optional(),\n  }).optional(),\n});\n\nexport type TestExecutionRecord = z.infer<typeof TestExecutionRecordSchema>;\n\n/**\n * Quality Score Record - multi-dimensional quality assessment\n */\nexport const QualityScoreRecordSchema = z.object({\n  scoreId: z.string(),\n  timestamp: z.string(),\n  overallScore: z.number().min(0).max(100), // 0-100\n  dimensions: z.object({\n    syntacticCorrectness: z.number().min(0).max(100),\n    testCoverageResults: z.number().min(0).max(100),\n    documentationQuality: z.number().min(0).max(100),\n    functionalCorrectness: z.number().min(0).max(100),\n  }),\n  grade: z.enum(['A', 'B', 'C', 'D', 'F']),\n  recommendations: z.array(z.string()),\n});\n\nexport type QualityScoreRecord = z.infer<typeof QualityScoreRecordSchema>;\n\n/**\n * Query State - current state of the query development\n */\nexport const QueryStateSchema = z.object({\n  filesPresent: z.array(z.string()),\n  compilationStatus: z.enum(['unknown', 'success', 'failed']),\n  testStatus: z.enum(['unknown', 'passing', 'failing', 'no_tests']),\n  documentationStatus: z.enum(['unknown', 'present', 'missing', 'incomplete']),\n  lastActivity: z.string(), // ISO timestamp\n});\n\nexport type QueryState = z.infer<typeof QueryStateSchema>;\n\n/**\n * Query Development Session - main data structure for tracking\n */\nexport const QueryDevelopmentSessionSchema = z.object({\n  // Session Metadata\n  sessionId: z.string(),\n  queryPath: z.string(),\n  language: z.string(),\n  queryType: z.string().optional(),\n  description: z.string().optional(),\n  startTime: z.string(), // ISO timestamp\n  endTime: z.string().optional(), // ISO timestamp\n  status: z.enum(['active', 'completed', 'failed', 'abandoned']),\n\n  // MCP Call History\n  mcpCalls: z.array(MCPCallRecordSchema),\n\n  // Test Execution Records\n  testExecutions: z.array(TestExecutionRecordSchema),\n\n  // Quality Metrics\n  qualityScores: z.array(QualityScoreRecordSchema),\n\n  // Development State\n  currentState: QueryStateSchema,\n  recommendations: z.array(z.string()),\n  nextSuggestedTool: z.string().optional(),\n});\n\nexport type QueryDevelopmentSession = z.infer<typeof QueryDevelopmentSessionSchema>;\n\n/**\n * Session Filter for listing and searching\n */\nexport const SessionFilterSchema = z.object({\n  queryPath: z.string().optional(),\n  status: z.string().optional(),\n  dateRange: z.tuple([z.string(), z.string()]).optional(),\n  language: z.string().optional(),\n  queryType: z.string().optional(),\n});\n\nexport type SessionFilter = z.infer<typeof SessionFilterSchema>;\n\n/**\n * Comparison Report for analyzing multiple sessions\n */\nexport const ComparisonReportSchema = z.object({\n  sessionIds: z.array(z.string()),\n  dimensions: z.array(z.string()),\n  timestamp: z.string(),\n  results: z.record(z.any()),\n});\n\nexport type ComparisonReport = z.infer<typeof ComparisonReportSchema>;\n\n/**\n * Aggregate Report for batch analysis\n */\nexport const AggregateReportSchema = z.object({\n  filters: SessionFilterSchema,\n  timestamp: z.string(),\n  totalSessions: z.number(),\n  successRate: z.number(),\n  averageQualityScore: z.number(),\n  commonPatterns: z.array(z.string()),\n  recommendations: z.array(z.string()),\n});\n\nexport type AggregateReport = z.infer<typeof AggregateReportSchema>;\n\n/**\n * Export Result for data export operations\n */\nexport const ExportResultSchema = z.object({\n  format: z.enum(['json', 'html', 'markdown']),\n  filename: z.string(),\n  content: z.string(),\n  timestamp: z.string(),\n});\n\nexport type ExportResult = z.infer<typeof ExportResultSchema>;\n\n/**\n * Functional Test Result for automated testing\n */\nexport const FunctionalTestResultSchema = z.object({\n  sessionId: z.string(),\n  queryPath: z.string(),\n  passed: z.boolean(),\n  criteria: z.record(z.any()),\n  details: z.record(z.any()),\n  timestamp: z.string(),\n});\n\nexport type FunctionalTestResult = z.infer<typeof FunctionalTestResultSchema>;\n\n/**\n * Test Report for comprehensive test analysis\n */\nexport const TestReportSchema = z.object({\n  sessionIds: z.array(z.string()),\n  criteria: z.record(z.any()),\n  timestamp: z.string(),\n  overallPassRate: z.number(),\n  results: z.array(FunctionalTestResultSchema),\n  summary: z.record(z.any()),\n});\n\nexport type TestReport = z.infer<typeof TestReportSchema>;\n\n/**\n * Monitoring Configuration\n */\nexport const MonitoringConfigSchema = z.object({\n  storageLocation: z.string().default('.ql-mcp-tracking/'),\n  autoTrackSessions: z.boolean().default(true),\n  retentionDays: z.number().default(90),\n  includeCallParameters: z.boolean().default(true),\n  includeCallResults: z.boolean().default(true),\n  maxActiveSessionsPerQuery: z.number().default(3),\n  scoringFrequency: z.enum(['per_call', 'periodic', 'manual']).default('per_call'),\n  archiveCompletedSessions: z.boolean().default(true),\n  enableRecommendations: z.boolean().default(true),\n  enableMonitoringTools: z.boolean().default(false), // Opt-in: session_* tools disabled by default for end-users\n});\n\nexport type MonitoringConfig = z.infer<typeof MonitoringConfigSchema>;"],
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 }
diff --git a/server/package.json b/server/package.json
index f5cd6e4..e971b5a 100644
--- a/server/package.json
+++ b/server/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@advanced-security/codeql-development-mcp-server",
-  "version": "2.24.0",
+  "version": "2.24.1",
   "description": "An MCP server supporting LLM requests for CodeQL development tools and resources.",
   "main": "dist/codeql-development-mcp-server.js",
   "type": "module",
diff --git a/server/ql/actions/tools/src/codeql-pack.lock.yml b/server/ql/actions/tools/src/codeql-pack.lock.yml
index 2e24b33..51fb63c 100644
--- a/server/ql/actions/tools/src/codeql-pack.lock.yml
+++ b/server/ql/actions/tools/src/codeql-pack.lock.yml
@@ -2,31 +2,31 @@
 lockVersion: 1.0.0
 dependencies:
   codeql/actions-all:
-    version: 0.4.26
+    version: 0.4.27
   codeql/concepts:
-    version: 0.0.14
+    version: 0.0.15
   codeql/controlflow:
-    version: 2.0.24
+    version: 2.0.25
   codeql/dataflow:
-    version: 2.0.24
+    version: 2.0.25
   codeql/javascript-all:
-    version: 2.6.20
+    version: 2.6.21
   codeql/mad:
-    version: 1.0.40
+    version: 1.0.41
   codeql/regex:
-    version: 1.0.40
+    version: 1.0.41
   codeql/ssa:
-    version: 2.0.16
+    version: 2.0.17
   codeql/threat-models:
-    version: 1.0.40
+    version: 1.0.41
   codeql/tutorial:
-    version: 1.0.40
+    version: 1.0.41
   codeql/typetracking:
-    version: 2.0.24
+    version: 2.0.25
   codeql/util:
-    version: 2.0.27
+    version: 2.0.28
   codeql/xml:
-    version: 1.0.40
+    version: 1.0.41
   codeql/yaml:
-    version: 1.0.40
+    version: 1.0.41
 compiled: false
diff --git a/server/ql/actions/tools/src/codeql-pack.yml b/server/ql/actions/tools/src/codeql-pack.yml
index 8e72827..8533cdf 100644
--- a/server/ql/actions/tools/src/codeql-pack.yml
+++ b/server/ql/actions/tools/src/codeql-pack.yml
@@ -1,6 +1,6 @@
 name: advanced-security/ql-mcp-actions-tools-src
-version: 2.24.0
+version: 2.24.1
 description: 'Queries for codeql-development-mcp-server tools for actions language'
 library: false
 dependencies:
-  codeql/actions-all: 0.4.26
+  codeql/actions-all: 0.4.27
diff --git a/server/ql/actions/tools/test/codeql-pack.lock.yml b/server/ql/actions/tools/test/codeql-pack.lock.yml
index 2e24b33..51fb63c 100644
--- a/server/ql/actions/tools/test/codeql-pack.lock.yml
+++ b/server/ql/actions/tools/test/codeql-pack.lock.yml
@@ -2,31 +2,31 @@
 lockVersion: 1.0.0
 dependencies:
   codeql/actions-all:
-    version: 0.4.26
+    version: 0.4.27
   codeql/concepts:
-    version: 0.0.14
+    version: 0.0.15
   codeql/controlflow:
-    version: 2.0.24
+    version: 2.0.25
   codeql/dataflow:
-    version: 2.0.24
+    version: 2.0.25
   codeql/javascript-all:
-    version: 2.6.20
+    version: 2.6.21
   codeql/mad:
-    version: 1.0.40
+    version: 1.0.41
   codeql/regex:
-    version: 1.0.40
+    version: 1.0.41
   codeql/ssa:
-    version: 2.0.16
+    version: 2.0.17
   codeql/threat-models:
-    version: 1.0.40
+    version: 1.0.41
   codeql/tutorial:
-    version: 1.0.40
+    version: 1.0.41
   codeql/typetracking:
-    version: 2.0.24
+    version: 2.0.25
   codeql/util:
-    version: 2.0.27
+    version: 2.0.28
   codeql/xml:
-    version: 1.0.40
+    version: 1.0.41
   codeql/yaml:
-    version: 1.0.40
+    version: 1.0.41
 compiled: false
diff --git a/server/ql/actions/tools/test/codeql-pack.yml b/server/ql/actions/tools/test/codeql-pack.yml
index eb52b77..95d4d80 100644
--- a/server/ql/actions/tools/test/codeql-pack.yml
+++ b/server/ql/actions/tools/test/codeql-pack.yml
@@ -1,5 +1,5 @@
 name: advanced-security/ql-mcp-actions-tools-test
-version: 2.24.0
+version: 2.24.1
 dependencies:
   advanced-security/ql-mcp-actions-tools-src: ${workspace}
 extractor: actions
diff --git a/server/ql/cpp/tools/src/codeql-pack.lock.yml b/server/ql/cpp/tools/src/codeql-pack.lock.yml
index b391a55..4738075 100644
--- a/server/ql/cpp/tools/src/codeql-pack.lock.yml
+++ b/server/ql/cpp/tools/src/codeql-pack.lock.yml
@@ -2,27 +2,27 @@
 lockVersion: 1.0.0
 dependencies:
   codeql/controlflow:
-    version: 2.0.24
+    version: 2.0.25
   codeql/cpp-all:
-    version: 7.0.0
+    version: 7.1.0
   codeql/dataflow:
-    version: 2.0.24
+    version: 2.0.25
   codeql/mad:
-    version: 1.0.40
+    version: 1.0.41
   codeql/quantum:
-    version: 0.0.18
+    version: 0.0.19
   codeql/rangeanalysis:
-    version: 1.0.40
+    version: 1.0.41
   codeql/ssa:
-    version: 2.0.16
+    version: 2.0.17
   codeql/tutorial:
-    version: 1.0.40
+    version: 1.0.41
   codeql/typeflow:
-    version: 1.0.40
+    version: 1.0.41
   codeql/typetracking:
-    version: 2.0.24
+    version: 2.0.25
   codeql/util:
-    version: 2.0.27
+    version: 2.0.28
   codeql/xml:
-    version: 1.0.40
+    version: 1.0.41
 compiled: false
diff --git a/server/ql/cpp/tools/src/codeql-pack.yml b/server/ql/cpp/tools/src/codeql-pack.yml
index 8b21d74..750e3f6 100644
--- a/server/ql/cpp/tools/src/codeql-pack.yml
+++ b/server/ql/cpp/tools/src/codeql-pack.yml
@@ -1,6 +1,6 @@
 name: advanced-security/ql-mcp-cpp-tools-src
-version: 2.24.0
+version: 2.24.1
 description: 'Queries for codeql-development-mcp-server tools for cpp language'
 library: false
 dependencies:
-  codeql/cpp-all: 7.0.0
+  codeql/cpp-all: 7.1.0
diff --git a/server/ql/cpp/tools/test/codeql-pack.lock.yml b/server/ql/cpp/tools/test/codeql-pack.lock.yml
index b391a55..4738075 100644
--- a/server/ql/cpp/tools/test/codeql-pack.lock.yml
+++ b/server/ql/cpp/tools/test/codeql-pack.lock.yml
@@ -2,27 +2,27 @@
 lockVersion: 1.0.0
 dependencies:
   codeql/controlflow:
-    version: 2.0.24
+    version: 2.0.25
   codeql/cpp-all:
-    version: 7.0.0
+    version: 7.1.0
   codeql/dataflow:
-    version: 2.0.24
+    version: 2.0.25
   codeql/mad:
-    version: 1.0.40
+    version: 1.0.41
   codeql/quantum:
-    version: 0.0.18
+    version: 0.0.19
   codeql/rangeanalysis:
-    version: 1.0.40
+    version: 1.0.41
   codeql/ssa:
-    version: 2.0.16
+    version: 2.0.17
   codeql/tutorial:
-    version: 1.0.40
+    version: 1.0.41
   codeql/typeflow:
-    version: 1.0.40
+    version: 1.0.41
   codeql/typetracking:
-    version: 2.0.24
+    version: 2.0.25
   codeql/util:
-    version: 2.0.27
+    version: 2.0.28
   codeql/xml:
-    version: 1.0.40
+    version: 1.0.41
 compiled: false
diff --git a/server/ql/cpp/tools/test/codeql-pack.yml b/server/ql/cpp/tools/test/codeql-pack.yml
index dff02fe..5ee333c 100644
--- a/server/ql/cpp/tools/test/codeql-pack.yml
+++ b/server/ql/cpp/tools/test/codeql-pack.yml
@@ -1,5 +1,5 @@
 name: advanced-security/ql-mcp-cpp-tools-test
-version: 2.24.0
+version: 2.24.1
 dependencies:
   advanced-security/ql-mcp-cpp-tools-src: ${workspace}
 extractor: cpp
diff --git a/server/ql/csharp/tools/src/PrintCFG/PrintCFG.md b/server/ql/csharp/tools/src/PrintCFG/PrintCFG.md
index 7b73069..f6a17e8 100644
--- a/server/ql/csharp/tools/src/PrintCFG/PrintCFG.md
+++ b/server/ql/csharp/tools/src/PrintCFG/PrintCFG.md
@@ -1,4 +1,4 @@
-# Print CFG for C#
+# Print CFG for `csharp` Source Files
 
 Produces a representation of a file's Control Flow Graph (CFG) for specified source files.
 
diff --git a/server/ql/csharp/tools/src/codeql-pack.lock.yml b/server/ql/csharp/tools/src/codeql-pack.lock.yml
index 8ed53bb..f64889e 100644
--- a/server/ql/csharp/tools/src/codeql-pack.lock.yml
+++ b/server/ql/csharp/tools/src/codeql-pack.lock.yml
@@ -2,23 +2,23 @@
 lockVersion: 1.0.0
 dependencies:
   codeql/controlflow:
-    version: 2.0.24
+    version: 2.0.25
   codeql/csharp-all:
-    version: 5.4.5
+    version: 5.4.6
   codeql/dataflow:
-    version: 2.0.24
+    version: 2.0.25
   codeql/mad:
-    version: 1.0.40
+    version: 1.0.41
   codeql/ssa:
-    version: 2.0.16
+    version: 2.0.17
   codeql/threat-models:
-    version: 1.0.40
+    version: 1.0.41
   codeql/tutorial:
-    version: 1.0.40
+    version: 1.0.41
   codeql/typetracking:
-    version: 2.0.24
+    version: 2.0.25
   codeql/util:
-    version: 2.0.27
+    version: 2.0.28
   codeql/xml:
-    version: 1.0.40
+    version: 1.0.41
 compiled: false
diff --git a/server/ql/csharp/tools/src/codeql-pack.yml b/server/ql/csharp/tools/src/codeql-pack.yml
index 6799531..96a526a 100644
--- a/server/ql/csharp/tools/src/codeql-pack.yml
+++ b/server/ql/csharp/tools/src/codeql-pack.yml
@@ -1,6 +1,6 @@
 name: advanced-security/ql-mcp-csharp-tools-src
-version: 2.24.0
+version: 2.24.1
 description: 'Queries for codeql-development-mcp-server tools for csharp language'
 library: false
 dependencies:
-  codeql/csharp-all: 5.4.5
+  codeql/csharp-all: 5.4.6
diff --git a/server/ql/csharp/tools/test/codeql-pack.lock.yml b/server/ql/csharp/tools/test/codeql-pack.lock.yml
index 8ed53bb..f64889e 100644
--- a/server/ql/csharp/tools/test/codeql-pack.lock.yml
+++ b/server/ql/csharp/tools/test/codeql-pack.lock.yml
@@ -2,23 +2,23 @@
 lockVersion: 1.0.0
 dependencies:
   codeql/controlflow:
-    version: 2.0.24
+    version: 2.0.25
   codeql/csharp-all:
-    version: 5.4.5
+    version: 5.4.6
   codeql/dataflow:
-    version: 2.0.24
+    version: 2.0.25
   codeql/mad:
-    version: 1.0.40
+    version: 1.0.41
   codeql/ssa:
-    version: 2.0.16
+    version: 2.0.17
   codeql/threat-models:
-    version: 1.0.40
+    version: 1.0.41
   codeql/tutorial:
-    version: 1.0.40
+    version: 1.0.41
   codeql/typetracking:
-    version: 2.0.24
+    version: 2.0.25
   codeql/util:
-    version: 2.0.27
+    version: 2.0.28
   codeql/xml:
-    version: 1.0.40
+    version: 1.0.41
 compiled: false
diff --git a/server/ql/csharp/tools/test/codeql-pack.yml b/server/ql/csharp/tools/test/codeql-pack.yml
index 6eb238f..24dc7bc 100644
--- a/server/ql/csharp/tools/test/codeql-pack.yml
+++ b/server/ql/csharp/tools/test/codeql-pack.yml
@@ -1,5 +1,5 @@
 name: advanced-security/ql-mcp-csharp-tools-test
-version: 2.24.0
+version: 2.24.1
 dependencies:
   advanced-security/ql-mcp-csharp-tools-src: ${workspace}
 extractor: csharp
diff --git a/server/ql/go/tools/src/codeql-pack.lock.yml b/server/ql/go/tools/src/codeql-pack.lock.yml
index adafc5a..1f794e5 100644
--- a/server/ql/go/tools/src/codeql-pack.lock.yml
+++ b/server/ql/go/tools/src/codeql-pack.lock.yml
@@ -2,23 +2,23 @@
 lockVersion: 1.0.0
 dependencies:
   codeql/concepts:
-    version: 0.0.14
+    version: 0.0.15
   codeql/controlflow:
-    version: 2.0.24
+    version: 2.0.25
   codeql/dataflow:
-    version: 2.0.24
+    version: 2.0.25
   codeql/go-all:
-    version: 6.0.0
+    version: 6.0.1
   codeql/mad:
-    version: 1.0.40
+    version: 1.0.41
   codeql/ssa:
-    version: 2.0.16
+    version: 2.0.17
   codeql/threat-models:
-    version: 1.0.40
+    version: 1.0.41
   codeql/tutorial:
-    version: 1.0.40
+    version: 1.0.41
   codeql/typetracking:
-    version: 2.0.24
+    version: 2.0.25
   codeql/util:
-    version: 2.0.27
+    version: 2.0.28
 compiled: false
diff --git a/server/ql/go/tools/src/codeql-pack.yml b/server/ql/go/tools/src/codeql-pack.yml
index dc4cd25..41eaf11 100644
--- a/server/ql/go/tools/src/codeql-pack.yml
+++ b/server/ql/go/tools/src/codeql-pack.yml
@@ -1,6 +1,6 @@
 name: advanced-security/ql-mcp-go-tools-src
-version: 2.24.0
+version: 2.24.1
 description: 'Queries for codeql-development-mcp-server tools for go language'
 library: false
 dependencies:
-  codeql/go-all: 6.0.0
+  codeql/go-all: 6.0.1
diff --git a/server/ql/go/tools/test/codeql-pack.lock.yml b/server/ql/go/tools/test/codeql-pack.lock.yml
index adafc5a..1f794e5 100644
--- a/server/ql/go/tools/test/codeql-pack.lock.yml
+++ b/server/ql/go/tools/test/codeql-pack.lock.yml
@@ -2,23 +2,23 @@
 lockVersion: 1.0.0
 dependencies:
   codeql/concepts:
-    version: 0.0.14
+    version: 0.0.15
   codeql/controlflow:
-    version: 2.0.24
+    version: 2.0.25
   codeql/dataflow:
-    version: 2.0.24
+    version: 2.0.25
   codeql/go-all:
-    version: 6.0.0
+    version: 6.0.1
   codeql/mad:
-    version: 1.0.40
+    version: 1.0.41
   codeql/ssa:
-    version: 2.0.16
+    version: 2.0.17
   codeql/threat-models:
-    version: 1.0.40
+    version: 1.0.41
   codeql/tutorial:
-    version: 1.0.40
+    version: 1.0.41
   codeql/typetracking:
-    version: 2.0.24
+    version: 2.0.25
   codeql/util:
-    version: 2.0.27
+    version: 2.0.28
 compiled: false
diff --git a/server/ql/go/tools/test/codeql-pack.yml b/server/ql/go/tools/test/codeql-pack.yml
index 10a02e4..ba34d01 100644
--- a/server/ql/go/tools/test/codeql-pack.yml
+++ b/server/ql/go/tools/test/codeql-pack.yml
@@ -1,5 +1,5 @@
 name: advanced-security/ql-mcp-go-tools-test
-version: 2.24.0
+version: 2.24.1
 dependencies:
   advanced-security/ql-mcp-go-tools-src: ${workspace}
 extractor: go
diff --git a/server/ql/java/tools/src/codeql-pack.lock.yml b/server/ql/java/tools/src/codeql-pack.lock.yml
index fd5ea78..f1f473f 100644
--- a/server/ql/java/tools/src/codeql-pack.lock.yml
+++ b/server/ql/java/tools/src/codeql-pack.lock.yml
@@ -2,31 +2,31 @@
 lockVersion: 1.0.0
 dependencies:
   codeql/controlflow:
-    version: 2.0.24
+    version: 2.0.25
   codeql/dataflow:
-    version: 2.0.24
+    version: 2.0.25
   codeql/java-all:
-    version: 7.8.4
+    version: 8.0.0
   codeql/mad:
-    version: 1.0.40
+    version: 1.0.41
   codeql/quantum:
-    version: 0.0.18
+    version: 0.0.19
   codeql/rangeanalysis:
-    version: 1.0.40
+    version: 1.0.41
   codeql/regex:
-    version: 1.0.40
+    version: 1.0.41
   codeql/ssa:
-    version: 2.0.16
+    version: 2.0.17
   codeql/threat-models:
-    version: 1.0.40
+    version: 1.0.41
   codeql/tutorial:
-    version: 1.0.40
+    version: 1.0.41
   codeql/typeflow:
-    version: 1.0.40
+    version: 1.0.41
   codeql/typetracking:
-    version: 2.0.24
+    version: 2.0.25
   codeql/util:
-    version: 2.0.27
+    version: 2.0.28
   codeql/xml:
-    version: 1.0.40
+    version: 1.0.41
 compiled: false
diff --git a/server/ql/java/tools/src/codeql-pack.yml b/server/ql/java/tools/src/codeql-pack.yml
index 005d4ab..1eb0c0a 100644
--- a/server/ql/java/tools/src/codeql-pack.yml
+++ b/server/ql/java/tools/src/codeql-pack.yml
@@ -1,6 +1,6 @@
 name: advanced-security/ql-mcp-java-tools-src
-version: 2.24.0
+version: 2.24.1
 description: 'Queries for codeql-development-mcp-server tools for java language'
 library: false
 dependencies:
-  codeql/java-all: 7.8.4
+  codeql/java-all: 8.0.0
diff --git a/server/ql/java/tools/test/codeql-pack.lock.yml b/server/ql/java/tools/test/codeql-pack.lock.yml
index fd5ea78..f1f473f 100644
--- a/server/ql/java/tools/test/codeql-pack.lock.yml
+++ b/server/ql/java/tools/test/codeql-pack.lock.yml
@@ -2,31 +2,31 @@
 lockVersion: 1.0.0
 dependencies:
   codeql/controlflow:
-    version: 2.0.24
+    version: 2.0.25
   codeql/dataflow:
-    version: 2.0.24
+    version: 2.0.25
   codeql/java-all:
-    version: 7.8.4
+    version: 8.0.0
   codeql/mad:
-    version: 1.0.40
+    version: 1.0.41
   codeql/quantum:
-    version: 0.0.18
+    version: 0.0.19
   codeql/rangeanalysis:
-    version: 1.0.40
+    version: 1.0.41
   codeql/regex:
-    version: 1.0.40
+    version: 1.0.41
   codeql/ssa:
-    version: 2.0.16
+    version: 2.0.17
   codeql/threat-models:
-    version: 1.0.40
+    version: 1.0.41
   codeql/tutorial:
-    version: 1.0.40
+    version: 1.0.41
   codeql/typeflow:
-    version: 1.0.40
+    version: 1.0.41
   codeql/typetracking:
-    version: 2.0.24
+    version: 2.0.25
   codeql/util:
-    version: 2.0.27
+    version: 2.0.28
   codeql/xml:
-    version: 1.0.40
+    version: 1.0.41
 compiled: false
diff --git a/server/ql/java/tools/test/codeql-pack.yml b/server/ql/java/tools/test/codeql-pack.yml
index 17abb6c..7a2b1d8 100644
--- a/server/ql/java/tools/test/codeql-pack.yml
+++ b/server/ql/java/tools/test/codeql-pack.yml
@@ -1,5 +1,5 @@
 name: advanced-security/ql-mcp-java-tools-test
-version: 2.24.0
+version: 2.24.1
 dependencies:
   advanced-security/ql-mcp-java-tools-src: ${workspace}
 extractor: java
diff --git a/server/ql/javascript/tools/src/codeql-pack.lock.yml b/server/ql/javascript/tools/src/codeql-pack.lock.yml
index 0bf6f6f..6869bc0 100644
--- a/server/ql/javascript/tools/src/codeql-pack.lock.yml
+++ b/server/ql/javascript/tools/src/codeql-pack.lock.yml
@@ -2,29 +2,29 @@
 lockVersion: 1.0.0
 dependencies:
   codeql/concepts:
-    version: 0.0.14
+    version: 0.0.15
   codeql/controlflow:
-    version: 2.0.24
+    version: 2.0.25
   codeql/dataflow:
-    version: 2.0.24
+    version: 2.0.25
   codeql/javascript-all:
-    version: 2.6.20
+    version: 2.6.21
   codeql/mad:
-    version: 1.0.40
+    version: 1.0.41
   codeql/regex:
-    version: 1.0.40
+    version: 1.0.41
   codeql/ssa:
-    version: 2.0.16
+    version: 2.0.17
   codeql/threat-models:
-    version: 1.0.40
+    version: 1.0.41
   codeql/tutorial:
-    version: 1.0.40
+    version: 1.0.41
   codeql/typetracking:
-    version: 2.0.24
+    version: 2.0.25
   codeql/util:
-    version: 2.0.27
+    version: 2.0.28
   codeql/xml:
-    version: 1.0.40
+    version: 1.0.41
   codeql/yaml:
-    version: 1.0.40
+    version: 1.0.41
 compiled: false
diff --git a/server/ql/javascript/tools/src/codeql-pack.yml b/server/ql/javascript/tools/src/codeql-pack.yml
index 7496914..d474157 100644
--- a/server/ql/javascript/tools/src/codeql-pack.yml
+++ b/server/ql/javascript/tools/src/codeql-pack.yml
@@ -1,6 +1,6 @@
 name: advanced-security/ql-mcp-javascript-tools-src
-version: 2.24.0
+version: 2.24.1
 description: 'Queries for codeql-development-mcp-server tools for javascript language'
 library: false
 dependencies:
-  codeql/javascript-all: 2.6.20
+  codeql/javascript-all: 2.6.21
diff --git a/server/ql/javascript/tools/test/codeql-pack.lock.yml b/server/ql/javascript/tools/test/codeql-pack.lock.yml
index 0bf6f6f..6869bc0 100644
--- a/server/ql/javascript/tools/test/codeql-pack.lock.yml
+++ b/server/ql/javascript/tools/test/codeql-pack.lock.yml
@@ -2,29 +2,29 @@
 lockVersion: 1.0.0
 dependencies:
   codeql/concepts:
-    version: 0.0.14
+    version: 0.0.15
   codeql/controlflow:
-    version: 2.0.24
+    version: 2.0.25
   codeql/dataflow:
-    version: 2.0.24
+    version: 2.0.25
   codeql/javascript-all:
-    version: 2.6.20
+    version: 2.6.21
   codeql/mad:
-    version: 1.0.40
+    version: 1.0.41
   codeql/regex:
-    version: 1.0.40
+    version: 1.0.41
   codeql/ssa:
-    version: 2.0.16
+    version: 2.0.17
   codeql/threat-models:
-    version: 1.0.40
+    version: 1.0.41
   codeql/tutorial:
-    version: 1.0.40
+    version: 1.0.41
   codeql/typetracking:
-    version: 2.0.24
+    version: 2.0.25
   codeql/util:
-    version: 2.0.27
+    version: 2.0.28
   codeql/xml:
-    version: 1.0.40
+    version: 1.0.41
   codeql/yaml:
-    version: 1.0.40
+    version: 1.0.41
 compiled: false
diff --git a/server/ql/javascript/tools/test/codeql-pack.yml b/server/ql/javascript/tools/test/codeql-pack.yml
index 37a02cd..a552846 100644
--- a/server/ql/javascript/tools/test/codeql-pack.yml
+++ b/server/ql/javascript/tools/test/codeql-pack.yml
@@ -1,5 +1,5 @@
 name: advanced-security/ql-mcp-javascript-tools-test
-version: 2.24.0
+version: 2.24.1
 dependencies:
   advanced-security/ql-mcp-javascript-tools-src: ${workspace}
 extractor: javascript
diff --git a/server/ql/python/tools/src/codeql-pack.lock.yml b/server/ql/python/tools/src/codeql-pack.lock.yml
index 9ab8b36..b84c518 100644
--- a/server/ql/python/tools/src/codeql-pack.lock.yml
+++ b/server/ql/python/tools/src/codeql-pack.lock.yml
@@ -2,29 +2,29 @@
 lockVersion: 1.0.0
 dependencies:
   codeql/concepts:
-    version: 0.0.14
+    version: 0.0.15
   codeql/controlflow:
-    version: 2.0.24
+    version: 2.0.25
   codeql/dataflow:
-    version: 2.0.24
+    version: 2.0.25
   codeql/mad:
-    version: 1.0.40
+    version: 1.0.41
   codeql/python-all:
-    version: 6.0.0
+    version: 6.1.0
   codeql/regex:
-    version: 1.0.40
+    version: 1.0.41
   codeql/ssa:
-    version: 2.0.16
+    version: 2.0.17
   codeql/threat-models:
-    version: 1.0.40
+    version: 1.0.41
   codeql/tutorial:
-    version: 1.0.40
+    version: 1.0.41
   codeql/typetracking:
-    version: 2.0.24
+    version: 2.0.25
   codeql/util:
-    version: 2.0.27
+    version: 2.0.28
   codeql/xml:
-    version: 1.0.40
+    version: 1.0.41
   codeql/yaml:
-    version: 1.0.40
+    version: 1.0.41
 compiled: false
diff --git a/server/ql/python/tools/src/codeql-pack.yml b/server/ql/python/tools/src/codeql-pack.yml
index 3d90238..8bcdc22 100644
--- a/server/ql/python/tools/src/codeql-pack.yml
+++ b/server/ql/python/tools/src/codeql-pack.yml
@@ -1,6 +1,6 @@
 name: advanced-security/ql-mcp-python-tools-src
-version: 2.24.0
+version: 2.24.1
 description: 'Queries for codeql-development-mcp-server tools for python language'
 library: false
 dependencies:
-  codeql/python-all: 6.0.0
+  codeql/python-all: 6.1.0
diff --git a/server/ql/python/tools/test/codeql-pack.lock.yml b/server/ql/python/tools/test/codeql-pack.lock.yml
index 9ab8b36..b84c518 100644
--- a/server/ql/python/tools/test/codeql-pack.lock.yml
+++ b/server/ql/python/tools/test/codeql-pack.lock.yml
@@ -2,29 +2,29 @@
 lockVersion: 1.0.0
 dependencies:
   codeql/concepts:
-    version: 0.0.14
+    version: 0.0.15
   codeql/controlflow:
-    version: 2.0.24
+    version: 2.0.25
   codeql/dataflow:
-    version: 2.0.24
+    version: 2.0.25
   codeql/mad:
-    version: 1.0.40
+    version: 1.0.41
   codeql/python-all:
-    version: 6.0.0
+    version: 6.1.0
   codeql/regex:
-    version: 1.0.40
+    version: 1.0.41
   codeql/ssa:
-    version: 2.0.16
+    version: 2.0.17
   codeql/threat-models:
-    version: 1.0.40
+    version: 1.0.41
   codeql/tutorial:
-    version: 1.0.40
+    version: 1.0.41
   codeql/typetracking:
-    version: 2.0.24
+    version: 2.0.25
   codeql/util:
-    version: 2.0.27
+    version: 2.0.28
   codeql/xml:
-    version: 1.0.40
+    version: 1.0.41
   codeql/yaml:
-    version: 1.0.40
+    version: 1.0.41
 compiled: false
diff --git a/server/ql/python/tools/test/codeql-pack.yml b/server/ql/python/tools/test/codeql-pack.yml
index cd9f815..d06dbca 100644
--- a/server/ql/python/tools/test/codeql-pack.yml
+++ b/server/ql/python/tools/test/codeql-pack.yml
@@ -1,5 +1,5 @@
 name: advanced-security/ql-mcp-python-tools-test
-version: 2.24.0
+version: 2.24.1
 dependencies:
   advanced-security/ql-mcp-python-tools-src: ${workspace}
 extractor: python
diff --git a/server/ql/ruby/tools/src/codeql-pack.lock.yml b/server/ql/ruby/tools/src/codeql-pack.lock.yml
index 39f7b2e..35ee6eb 100644
--- a/server/ql/ruby/tools/src/codeql-pack.lock.yml
+++ b/server/ql/ruby/tools/src/codeql-pack.lock.yml
@@ -2,23 +2,23 @@
 lockVersion: 1.0.0
 dependencies:
   codeql/concepts:
-    version: 0.0.14
+    version: 0.0.15
   codeql/controlflow:
-    version: 2.0.24
+    version: 2.0.25
   codeql/dataflow:
-    version: 2.0.24
+    version: 2.0.25
   codeql/mad:
-    version: 1.0.40
+    version: 1.0.41
   codeql/regex:
-    version: 1.0.40
+    version: 1.0.41
   codeql/ruby-all:
-    version: 5.1.8
+    version: 5.1.9
   codeql/ssa:
-    version: 2.0.16
+    version: 2.0.17
   codeql/tutorial:
-    version: 1.0.40
+    version: 1.0.41
   codeql/typetracking:
-    version: 2.0.24
+    version: 2.0.25
   codeql/util:
-    version: 2.0.27
+    version: 2.0.28
 compiled: false
diff --git a/server/ql/ruby/tools/src/codeql-pack.yml b/server/ql/ruby/tools/src/codeql-pack.yml
index 7a9bd08..8e23c04 100644
--- a/server/ql/ruby/tools/src/codeql-pack.yml
+++ b/server/ql/ruby/tools/src/codeql-pack.yml
@@ -1,6 +1,6 @@
 name: advanced-security/ql-mcp-ruby-tools-src
-version: 2.24.0
+version: 2.24.1
 description: 'Queries for codeql-development-mcp-server tools for ruby language'
 library: false
 dependencies:
-  codeql/ruby-all: 5.1.8
+  codeql/ruby-all: 5.1.9
diff --git a/server/ql/ruby/tools/test/codeql-pack.lock.yml b/server/ql/ruby/tools/test/codeql-pack.lock.yml
index 39f7b2e..35ee6eb 100644
--- a/server/ql/ruby/tools/test/codeql-pack.lock.yml
+++ b/server/ql/ruby/tools/test/codeql-pack.lock.yml
@@ -2,23 +2,23 @@
 lockVersion: 1.0.0
 dependencies:
   codeql/concepts:
-    version: 0.0.14
+    version: 0.0.15
   codeql/controlflow:
-    version: 2.0.24
+    version: 2.0.25
   codeql/dataflow:
-    version: 2.0.24
+    version: 2.0.25
   codeql/mad:
-    version: 1.0.40
+    version: 1.0.41
   codeql/regex:
-    version: 1.0.40
+    version: 1.0.41
   codeql/ruby-all:
-    version: 5.1.8
+    version: 5.1.9
   codeql/ssa:
-    version: 2.0.16
+    version: 2.0.17
   codeql/tutorial:
-    version: 1.0.40
+    version: 1.0.41
   codeql/typetracking:
-    version: 2.0.24
+    version: 2.0.25
   codeql/util:
-    version: 2.0.27
+    version: 2.0.28
 compiled: false
diff --git a/server/ql/ruby/tools/test/codeql-pack.yml b/server/ql/ruby/tools/test/codeql-pack.yml
index dfaa46e..a8ee615 100644
--- a/server/ql/ruby/tools/test/codeql-pack.yml
+++ b/server/ql/ruby/tools/test/codeql-pack.yml
@@ -1,5 +1,5 @@
 name: advanced-security/ql-mcp-ruby-tools-test
-version: 2.24.0
+version: 2.24.1
 dependencies:
   advanced-security/ql-mcp-ruby-tools-src: ${workspace}
 extractor: ruby
diff --git a/server/ql/swift/tools/src/codeql-pack.lock.yml b/server/ql/swift/tools/src/codeql-pack.lock.yml
index d25c185..6c5a13f 100644
--- a/server/ql/swift/tools/src/codeql-pack.lock.yml
+++ b/server/ql/swift/tools/src/codeql-pack.lock.yml
@@ -2,23 +2,23 @@
 lockVersion: 1.0.0
 dependencies:
   codeql/concepts:
-    version: 0.0.14
+    version: 0.0.15
   codeql/controlflow:
-    version: 2.0.24
+    version: 2.0.25
   codeql/dataflow:
-    version: 2.0.24
+    version: 2.0.25
   codeql/mad:
-    version: 1.0.40
+    version: 1.0.41
   codeql/regex:
-    version: 1.0.40
+    version: 1.0.41
   codeql/ssa:
-    version: 2.0.16
+    version: 2.0.17
   codeql/swift-all:
-    version: 6.2.0
+    version: 6.2.1
   codeql/tutorial:
-    version: 1.0.40
+    version: 1.0.41
   codeql/typetracking:
-    version: 2.0.24
+    version: 2.0.25
   codeql/util:
-    version: 2.0.27
+    version: 2.0.28
 compiled: false
diff --git a/server/ql/swift/tools/src/codeql-pack.yml b/server/ql/swift/tools/src/codeql-pack.yml
index 0d305d8..5556623 100644
--- a/server/ql/swift/tools/src/codeql-pack.yml
+++ b/server/ql/swift/tools/src/codeql-pack.yml
@@ -1,6 +1,6 @@
 name: advanced-security/ql-mcp-swift-tools-src
-version: 2.24.0
+version: 2.24.1
 description: 'Queries for codeql-development-mcp-server tools for swift language'
 library: false
 dependencies:
-  codeql/swift-all: 6.2.0
+  codeql/swift-all: 6.2.1
diff --git a/server/ql/swift/tools/test/codeql-pack.lock.yml b/server/ql/swift/tools/test/codeql-pack.lock.yml
index d25c185..6c5a13f 100644
--- a/server/ql/swift/tools/test/codeql-pack.lock.yml
+++ b/server/ql/swift/tools/test/codeql-pack.lock.yml
@@ -2,23 +2,23 @@
 lockVersion: 1.0.0
 dependencies:
   codeql/concepts:
-    version: 0.0.14
+    version: 0.0.15
   codeql/controlflow:
-    version: 2.0.24
+    version: 2.0.25
   codeql/dataflow:
-    version: 2.0.24
+    version: 2.0.25
   codeql/mad:
-    version: 1.0.40
+    version: 1.0.41
   codeql/regex:
-    version: 1.0.40
+    version: 1.0.41
   codeql/ssa:
-    version: 2.0.16
+    version: 2.0.17
   codeql/swift-all:
-    version: 6.2.0
+    version: 6.2.1
   codeql/tutorial:
-    version: 1.0.40
+    version: 1.0.41
   codeql/typetracking:
-    version: 2.0.24
+    version: 2.0.25
   codeql/util:
-    version: 2.0.27
+    version: 2.0.28
 compiled: false
diff --git a/server/ql/swift/tools/test/codeql-pack.yml b/server/ql/swift/tools/test/codeql-pack.yml
index cb9f0cd..d606c54 100644
--- a/server/ql/swift/tools/test/codeql-pack.yml
+++ b/server/ql/swift/tools/test/codeql-pack.yml
@@ -1,5 +1,5 @@
 name: advanced-security/ql-mcp-swift-tools-test
-version: 2.24.0
+version: 2.24.1
 dependencies:
   advanced-security/ql-mcp-swift-tools-src: ${workspace}
 extractor: swift
diff --git a/server/scripts/update-release-version.sh b/server/scripts/update-release-version.sh
new file mode 100755
index 0000000..9b565c4
--- /dev/null
+++ b/server/scripts/update-release-version.sh
@@ -0,0 +1,389 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+## update-release-version.sh
+## Deterministically updates the release version across all version-bearing files
+## in the codeql-development-mcp-server repository.
+##
+## Version-bearing files:
+##   .codeql-version                                      (vX.Y.Z format)
+##   package.json                                         (X.Y.Z format)
+##   client/package.json                                  (X.Y.Z format)
+##   server/package.json                                  (X.Y.Z format)
+##   server/ql/*/tools/src/codeql-pack.yml                (X.Y.Z format)
+##   server/ql/*/tools/test/codeql-pack.yml               (X.Y.Z format)
+##
+## The base version (X.Y.Z without any prerelease suffix) must correspond to
+## an actual CodeQL CLI release. The script validates this by checking against
+## the installed `codeql` CLI or the `.codeql-version` file.
+##
+## Usage:
+##   ./server/scripts/update-release-version.sh <new-version>
+##   ./server/scripts/update-release-version.sh --check [<expected-version>]
+##
+## Examples:
+##   ./server/scripts/update-release-version.sh 2.24.1
+##   ./server/scripts/update-release-version.sh 2.24.1-beta
+##   ./server/scripts/update-release-version.sh v2.24.1-beta
+##   ./server/scripts/update-release-version.sh --check
+##   ./server/scripts/update-release-version.sh --check 2.24.1-beta
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+REPO_ROOT="$(cd "${SCRIPT_DIR}/../.." && pwd)"
+
+## Supported languages for ql-mcp-* packs
+LANGUAGES=("actions" "cpp" "csharp" "go" "java" "javascript" "python" "ruby" "swift")
+
+usage() {
+	cat <<EOF
+Usage: $0 <new-version>
+       $0 --check [<expected-version>]
+
+Deterministically updates the release version across all version-bearing files.
+The base version (X.Y.Z, without prerelease suffixes) must correspond to an
+actual CodeQL CLI release.
+
+ARGUMENTS:
+    <new-version>          The new version to set (e.g., 2.24.1 or 2.24.1-beta).
+                           The 'v' prefix is optional and will be normalized.
+                           The base version (X.Y.Z) is validated against the
+                           installed CodeQL CLI or .codeql-version file.
+
+OPTIONS:
+    --check [<version>]    Check version consistency across all files.
+                           If <version> is provided, also validates that all files
+                           match the expected version.
+    --dry-run              Show what would be changed without modifying files.
+    --skip-cli-validation  Skip CodeQL CLI version validation (not recommended).
+    -h, --help             Show this help message.
+
+EXAMPLES:
+    $0 2.24.1              Update all files to version 2.24.1
+    $0 2.24.1-beta         Update all files to version 2.24.1-beta
+    $0 v2.24.1-beta        Same as above (v prefix is stripped automatically)
+    $0 --check             Verify all version-bearing files are consistent
+    $0 --check 2.24.1      Verify all files contain version 2.24.1
+    $0 --dry-run 2.24.1    Preview changes without writing files
+EOF
+}
+
+## Collect all version-bearing files and their current versions
+collect_versions() {
+	local versions=()
+
+	## .codeql-version (stores vX.Y.Z)
+	local codeql_version_file="${REPO_ROOT}/.codeql-version"
+	if [[ -f "${codeql_version_file}" ]]; then
+		local raw_version
+		raw_version=$(tr -d '[:space:]' < "${codeql_version_file}")
+		versions+=(".codeql-version|${raw_version#v}")
+	else
+		echo "WARNING: .codeql-version not found" >&2
+	fi
+
+	## package.json files
+	local pkg_files=("package.json" "client/package.json" "server/package.json")
+	for pkg_file in "${pkg_files[@]}"; do
+		local full_path="${REPO_ROOT}/${pkg_file}"
+		if [[ -f "${full_path}" ]]; then
+			local pkg_version
+			pkg_version=$(grep -m1 '"version"' "${full_path}" | sed 's/.*"version"[[:space:]]*:[[:space:]]*"\([^"]*\)".*/\1/')
+			versions+=("${pkg_file}|${pkg_version}")
+		else
+			echo "WARNING: ${pkg_file} not found" >&2
+		fi
+	done
+
+	## codeql-pack.yml files (src and test packs for each language)
+	for lang in "${LANGUAGES[@]}"; do
+		for pack_type in "src" "test"; do
+			local pack_file="server/ql/${lang}/tools/${pack_type}/codeql-pack.yml"
+			local full_path="${REPO_ROOT}/${pack_file}"
+			if [[ -f "${full_path}" ]]; then
+				local pack_version
+				pack_version=$(grep -m1 "^version:" "${full_path}" | awk '{print $2}')
+				versions+=("${pack_file}|${pack_version}")
+			fi
+		done
+	done
+
+	printf '%s\n' "${versions[@]}"
+}
+
+## Check version consistency
+check_versions() {
+	local expected_version="${1:-}"
+	local all_consistent=true
+	local first_version=""
+	local file_count=0
+
+	echo "=== Version Consistency Check ==="
+	echo ""
+
+	while IFS='|' read -r file version; do
+		file_count=$((file_count + 1))
+
+		if [[ -z "${first_version}" ]]; then
+			first_version="${version}"
+		fi
+
+		if [[ -n "${expected_version}" ]]; then
+			if [[ "${version}" == "${expected_version}" ]]; then
+				echo "  ✅ ${file}: ${version}"
+			else
+				echo "  ❌ ${file}: ${version} (expected ${expected_version})"
+				all_consistent=false
+			fi
+		else
+			if [[ "${version}" == "${first_version}" ]]; then
+				echo "  ✅ ${file}: ${version}"
+			else
+				echo "  ❌ ${file}: ${version} (differs from ${first_version})"
+				all_consistent=false
+			fi
+		fi
+	done < <(collect_versions)
+
+	echo ""
+	echo "Checked ${file_count} version-bearing files."
+
+	if [[ "${all_consistent}" == true ]]; then
+		if [[ -n "${expected_version}" ]]; then
+			echo "✅ All files match expected version: ${expected_version}"
+		else
+			echo "✅ All files are consistent at version: ${first_version}"
+		fi
+		return 0
+	else
+		echo "❌ Version inconsistency detected!"
+		return 1
+	fi
+}
+
+## Validate version format (X.Y.Z or X.Y.Z-suffix)
+validate_version() {
+	local version="$1"
+	if [[ ! "${version}" =~ ^[0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9._-]+)?$ ]]; then
+		echo "ERROR: Invalid version format '${version}'" >&2
+		echo "Expected format: X.Y.Z or X.Y.Z-suffix (e.g., 2.24.1 or 2.24.1-beta)" >&2
+		return 1
+	fi
+}
+
+## Extract the base version (X.Y.Z) from a potentially suffixed version (X.Y.Z-beta)
+extract_base_version() {
+	local version="$1"
+	echo "${version%%-*}"
+}
+
+## Validate that the base version corresponds to an actual CodeQL CLI version.
+## Checks in order:
+##   1. If 'codeql' CLI is on PATH, compare its version
+##   2. Fall back to the .codeql-version file in the repo
+validate_cli_version() {
+	local base_version="$1"
+
+	echo "=== CodeQL CLI Version Validation ==="
+	echo "  Required base version: ${base_version}"
+
+	## Try the installed CLI first
+	if command -v codeql >/dev/null 2>&1; then
+		local installed_version
+		installed_version=$(codeql version --format=terse 2>/dev/null || echo "unknown")
+		echo "  Installed CLI version: ${installed_version}"
+		if [[ "${installed_version}" == "${base_version}" ]]; then
+			echo "  ✅ Base version ${base_version} matches installed CodeQL CLI"
+			return 0
+		else
+			echo "  ❌ Base version ${base_version} does not match installed CodeQL CLI (${installed_version})" >&2
+			echo "" >&2
+			echo "  The base version (X.Y.Z, without prerelease suffix) must match an" >&2
+			echo "  available CodeQL CLI release. Either:" >&2
+			echo "    - Install the correct CLI: gh codeql set-version ${base_version}" >&2
+			echo "    - Use a version matching the installed CLI: ${installed_version}" >&2
+			echo "    - Skip validation with --skip-cli-validation (not recommended)" >&2
+			return 1
+		fi
+	fi
+
+	## Fall back to .codeql-version file
+	local codeql_version_file="${REPO_ROOT}/.codeql-version"
+	if [[ -f "${codeql_version_file}" ]]; then
+		local file_version
+		file_version=$(tr -d '[:space:]' < "${codeql_version_file}")
+		file_version="${file_version#v}"  ## Strip v prefix
+		echo "  .codeql-version file: ${file_version}"
+		if [[ "${file_version}" == "${base_version}" ]]; then
+			echo "  ✅ Base version ${base_version} matches .codeql-version"
+			return 0
+		else
+			echo "  ❌ Base version ${base_version} does not match .codeql-version (${file_version})" >&2
+			echo "" >&2
+			echo "  The base version (X.Y.Z, without prerelease suffix) must correspond" >&2
+			echo "  to the CodeQL CLI version in .codeql-version." >&2
+			echo "  Current .codeql-version: v${file_version}" >&2
+			echo "  Skip validation with --skip-cli-validation (not recommended)" >&2
+			return 1
+		fi
+	fi
+
+	echo "  WARNING: Cannot validate base version — no CodeQL CLI on PATH and no .codeql-version file" >&2
+	return 1
+}
+
+## Update a JSON file's "version" field using sed
+update_json_version() {
+	local file="$1"
+	local new_version="$2"
+	## Match the "version": "..." line and replace the version value
+	sed -i.bak "s/\"version\"[[:space:]]*:[[:space:]]*\"[^\"]*\"/\"version\": \"${new_version}\"/" "${file}"
+	rm -f "${file}.bak"
+}
+
+## Update a codeql-pack.yml file's version field using sed
+update_pack_version() {
+	local file="$1"
+	local new_version="$2"
+	## Match the version: line at the start and replace the version value
+	sed -i.bak "s/^version:[[:space:]]*.*/version: ${new_version}/" "${file}"
+	rm -f "${file}.bak"
+}
+
+## Update all version-bearing files
+update_versions() {
+	local new_version="$1"
+	local dry_run="${2:-false}"
+	local updated_count=0
+
+	echo "=== Updating Release Version to ${new_version} ==="
+	echo ""
+
+	## 1. Update .codeql-version (uses v prefix)
+	local codeql_version_file="${REPO_ROOT}/.codeql-version"
+	if [[ -f "${codeql_version_file}" ]]; then
+		local old_version
+		old_version=$(tr -d '[:space:]' < "${codeql_version_file}")
+		if [[ "${dry_run}" == true ]]; then
+			echo "  [DRY RUN] .codeql-version: ${old_version} -> v${new_version}"
+		else
+			printf "v%s\n" "${new_version}" > "${codeql_version_file}"
+			echo "  ✅ .codeql-version: ${old_version} -> v${new_version}"
+		fi
+		updated_count=$((updated_count + 1))
+	fi
+
+	## 2. Update package.json files
+	local pkg_files=("package.json" "client/package.json" "server/package.json")
+	for pkg_file in "${pkg_files[@]}"; do
+		local full_path="${REPO_ROOT}/${pkg_file}"
+		if [[ -f "${full_path}" ]]; then
+			local old_version
+			old_version=$(grep -m1 '"version"' "${full_path}" | sed 's/.*"version"[[:space:]]*:[[:space:]]*"\([^"]*\)".*/\1/')
+			if [[ "${dry_run}" == true ]]; then
+				echo "  [DRY RUN] ${pkg_file}: ${old_version} -> ${new_version}"
+			else
+				update_json_version "${full_path}" "${new_version}"
+				echo "  ✅ ${pkg_file}: ${old_version} -> ${new_version}"
+			fi
+			updated_count=$((updated_count + 1))
+		fi
+	done
+
+	## 3. Update codeql-pack.yml files (src and test packs for each language)
+	for lang in "${LANGUAGES[@]}"; do
+		for pack_type in "src" "test"; do
+			local pack_file="server/ql/${lang}/tools/${pack_type}/codeql-pack.yml"
+			local full_path="${REPO_ROOT}/${pack_file}"
+			if [[ -f "${full_path}" ]]; then
+				local old_version
+				old_version=$(grep -m1 "^version:" "${full_path}" | awk '{print $2}')
+				if [[ "${dry_run}" == true ]]; then
+					echo "  [DRY RUN] ${pack_file}: ${old_version} -> ${new_version}"
+				else
+					update_pack_version "${full_path}" "${new_version}"
+					echo "  ✅ ${pack_file}: ${old_version} -> ${new_version}"
+				fi
+				updated_count=$((updated_count + 1))
+			fi
+		done
+	done
+
+	echo ""
+	if [[ "${dry_run}" == true ]]; then
+		echo "Would update ${updated_count} files. (Dry run — no files modified)"
+	else
+		echo "Updated ${updated_count} files to version ${new_version}."
+		echo ""
+		echo "Next steps:"
+		echo "  1. Run 'npm install' to regenerate package-lock.json"
+		echo "  2. Run 'npm run build-and-test' to validate the changes"
+		echo "  3. Commit the changes and tag with 'v${new_version}'"
+	fi
+}
+
+## Parse arguments
+CHECK_MODE=false
+DRY_RUN=false
+SKIP_CLI_VALIDATION=false
+NEW_VERSION=""
+
+while [[ $# -gt 0 ]]; do
+	case $1 in
+		--check)
+			CHECK_MODE=true
+			shift
+			## Optional expected version argument
+			if [[ $# -gt 0 && ! "$1" =~ ^-- ]]; then
+				NEW_VERSION="${1#v}"
+				shift
+			fi
+			;;
+		--dry-run)
+			DRY_RUN=true
+			shift
+			;;
+		--skip-cli-validation)
+			SKIP_CLI_VALIDATION=true
+			shift
+			;;
+		-h|--help)
+			usage
+			exit 0
+			;;
+		-*)
+			echo "Error: Unknown option $1" >&2
+			usage >&2
+			exit 1
+			;;
+		*)
+			NEW_VERSION="${1#v}"  ## Strip optional v prefix
+			shift
+			;;
+	esac
+done
+
+if [[ "${CHECK_MODE}" == true ]]; then
+	check_versions "${NEW_VERSION}"
+	exit $?
+fi
+
+if [[ -z "${NEW_VERSION}" ]]; then
+	echo "Error: No version specified" >&2
+	echo "" >&2
+	usage >&2
+	exit 1
+fi
+
+validate_version "${NEW_VERSION}"
+
+## Validate that the base version matches an actual CodeQL CLI release
+if [[ "${SKIP_CLI_VALIDATION}" == false ]]; then
+	BASE_VERSION=$(extract_base_version "${NEW_VERSION}")
+	validate_cli_version "${BASE_VERSION}"
+	echo ""
+else
+	echo "⚠️  CLI version validation skipped (--skip-cli-validation)"
+	echo ""
+fi
+
+update_versions "${NEW_VERSION}" "${DRY_RUN}"
diff --git a/server/src/codeql-development-mcp-server.ts b/server/src/codeql-development-mcp-server.ts
index 30c9e9a..c6cf452 100644
--- a/server/src/codeql-development-mcp-server.ts
+++ b/server/src/codeql-development-mcp-server.ts
@@ -28,7 +28,7 @@ import { logger } from './utils/logger';
 dotenv.config({ path: resolve(packageRootDir, '.env') });
 
 const PACKAGE_NAME = 'codeql-development-mcp-server';
-const VERSION = '2.24.0';
+const VERSION = '2.24.1';
 
 /**
  * Start the MCP server
diff --git a/server/src/prompts/document-codeql-query.prompt.md b/server/src/prompts/document-codeql-query.prompt.md
index 2832315..43cae92 100644
--- a/server/src/prompts/document-codeql-query.prompt.md
+++ b/server/src/prompts/document-codeql-query.prompt.md
@@ -1,5 +1,5 @@
 ---
-mode: agent
+agent: agent
 ---
 
 # Document a CodeQL Query
@@ -64,8 +64,15 @@ Use the following MCP server tools to gather context before creating documentati
   - Tool: `validate_codeql_query`
   - Parameters: `query` = query source code
   - Gather: Structural validation, suggestions
+  - Note: This is a heuristic check only — for full validation, use `codeql_query_compile`
 
-- [ ] **Step 5: Run tests** (if tests exist from Step 1)
+- [ ] **Step 5: Explore query types** (if deeper understanding needed)
+  - Tool: `codeql_lsp_definition` — navigate to class/predicate definitions
+  - Tool: `codeql_lsp_completion` — explore member predicates on types used in the query
+  - Parameters: `file_path`, `line` (0-based), `character` (0-based), `workspace_uri` (pack root)
+  - Run `codeql_pack_install` first — LSP tools require resolved dependencies
+
+- [ ] **Step 6: Run tests** (if tests exist from Step 1)
   - Tool: `codeql_test_run`
   - Parameters: `tests` = test directories
   - Gather: Pass/fail status, confirms query behavior
@@ -78,12 +85,12 @@ Based on gathered context, create or update the documentation file.
 
 The documentation file (`QueryFileBaseName.md`) should follow this standardized format with these sections:
 
-**Section 1: Title and Description**
+### Section 1: Title and Description
 
 - H1 heading with the query name from @name metadata
 - One paragraph description from @description, expanded if needed
 
-**Section 2: Metadata Table**
+### Section 2: Metadata Table
 
 A table with these rows:
 
@@ -93,15 +100,15 @@ A table with these rows:
 - Precision: The @precision value
 - Tags: The @tags values
 
-**Section 3: Overview**
+### Section 3: Overview
 
 Concise explanation of what vulnerability/issue this query detects and why it matters. 2-4 sentences.
 
-**Section 4: Recommendation**
+### Section 4: Recommendation
 
 Brief guidance on how developers should fix issues flagged by this query. Include code patterns to use or avoid.
 
-**Section 5: Example**
+### Section 5: Example
 
 Two subsections:
 
@@ -110,7 +117,7 @@ Two subsections:
 
 Use the appropriate language identifier for the code blocks (e.g., `javascript`, `python`, `java`).
 
-**Section 6: References**
+### Section 6: References
 
 A list of links to:
 
diff --git a/server/src/prompts/explain-codeql-query.prompt.md b/server/src/prompts/explain-codeql-query.prompt.md
index b639c93..eab787e 100644
--- a/server/src/prompts/explain-codeql-query.prompt.md
+++ b/server/src/prompts/explain-codeql-query.prompt.md
@@ -1,5 +1,5 @@
 ---
-mode: agent
+agent: agent
 ---
 
 # Explain a CodeQL Query (Workshop Learning Content)
@@ -103,9 +103,11 @@ You MUST use the following MCP server tools in sequence to gather context before
   ```
 
 - [ ] **Step 8: Quick evaluate specific predicates** (as needed)
-  - Tool: `quick_evaluate`
-  - Parameters: Specific QL code snippets to understand predicate behavior
+  - First, locate the predicate: Tool: `find_predicate_position` with `file` and `name`
+  - Then evaluate: Tool: `quick_evaluate` with `file`, `db`, and `symbol`
   - Use when: You need more context on how a specific predicate or class behaves
+  - Note: `find_class_position` finds `class` definitions only, not `module` definitions
+  - Note: `find_predicate_position` returns 1-based positions; LSP tools use 0-based
 
 ### Phase 5: Generate Explanation
 
diff --git a/server/src/prompts/ql-lsp-iterative-development.prompt.md b/server/src/prompts/ql-lsp-iterative-development.prompt.md
index 62738cc..995ebf5 100644
--- a/server/src/prompts/ql-lsp-iterative-development.prompt.md
+++ b/server/src/prompts/ql-lsp-iterative-development.prompt.md
@@ -4,106 +4,255 @@ agent: agent
 
 # Iterative CodeQL Development with LSP Tools
 
-Use this workflow to iteratively develop and refine CodeQL queries using the LSP-powered tools.
-These tools let you inspect, validate, and navigate QL code at a granular level — working with
-specific classes, predicates, and expressions rather than running full queries.
+Use the MCP server tools from this prompt to iteratively develop and refine CodeQL queries using the LSP-powered tools.
+These "iterative" tools work entirely through file paths and numeric positions.
+Every operation is expressible as a tool call with explicit `file_path`, `line`, and `character` parameters.
+Thus, this prompt can be used in any environment where the query files are on disk, and it does not require any special editor integration.
 
-## When to Use This Workflow
+## Use This Prompt When
 
 - Exploring unfamiliar CodeQL libraries to discover available classes and predicates
 - Incrementally building a query clause-by-clause with real-time feedback
-- Navigating from a class usage to its definition to understand its API
-- Finding all usages of a predicate across a codebase
+- Navigating from a type usage to its definition to understand its API
+- Finding all usages of a predicate to learn patterns from existing queries
 - Validating query fragments before assembling a complete query
+- Debugging individual predicates by evaluating them in isolation against a database
 
 ## Prerequisites
 
-- A CodeQL pack with `codeql-pack.yml` and installed dependencies (`codeql_pack_install`)
-- Query files must be on disk (LSP tools operate on files, not inline code)
-- The `workspace_uri` parameter should point to the pack root or workspace root
+1. A CodeQL pack with `codeql-pack.yml` on disk
+2. Dependencies installed via `codeql_pack_install` (pointing at the pack directory)
+3. Query files saved to disk (LSP tools operate on files, not inline strings)
 
-## Step 1: Discover Available Types
+## Key Concept: Positions Are File Path + Line + Character
 
-Use `codeql_lsp_completion` to explore what types are available after an `import` statement.
+All LSP tools identify locations using three values:
 
-**Example**: After writing `import javascript` in a `.ql` file, request completions inside the
-`from` clause to see all available classes:
+- `file_path`: absolute path to a `.ql` or `.qll` file
+- `line`: **0-based** line number (line 1 in the file = `line: 0`)
+- `character`: **0-based** column offset within that line
 
-- Tool: `codeql_lsp_completion`
-- Parameters: `file_path` = your query file, `line` = the `from` line, `character` = after the space
-- Tip: Set `workspace_uri` to the pack root for dependency resolution
+The `workspace_uri` parameter must point to the **pack root directory** (the folder
+containing `codeql-pack.yml`) for import resolution to work. Without it, completions
+and definitions for imported libraries will be empty.
 
-The completions include class names with documentation, so you can discover types like
-`File`, `Function`, `CallExpr`, etc. without leaving the editor.
+> **Critical**: LSP line/character positions are 0-based, but `read_file`,
+> `find_predicate_position`, and `find_class_position` return 1-based positions.
+> Always subtract 1 when passing their output to LSP tools.
+
+## Step 1: Discover Available Types with Completions
+
+Use `codeql_lsp_completion` to explore what types and predicates are available at any
+position in a query file. This replaces manual documentation browsing.
+
+**Example**: To see what classes are available in a `from` clause after `import javascript`:
+
+```text
+Tool: codeql_lsp_completion
+Parameters:
+  file_path: /path/to/your/query.ql
+  line: 9          # 0-based line of the `from` clause
+  character: 5     # position after `from ` where you want completions
+  workspace_uri: /path/to/pack-root   # directory containing codeql-pack.yml
+```
+
+Completions include class names with full documentation. For example, requesting
+completions in a JavaScript query's `from` clause returns 150+ types like
+`CallNode`, `PropWrite`, `RemoteFlowSource`, etc., each with docstrings.
+
+**Exploring member predicates**: To see what methods a variable offers, request
+completions after the dot. For example, if `pw` is typed as `DataFlow::PropWrite`,
+requesting completions at the position after `pw.` returns all member predicates
+like `getPropertyName()`, `getRhs()`, `getBase()`, `writes(base, prop, rhs)`,
+each with full signature and documentation.
 
 ## Step 2: Navigate to Definitions
 
-Once you've chosen a class (e.g., `File`), use `codeql_lsp_definition` to jump to its
-definition and understand its member predicates.
+Use `codeql_lsp_definition` to find where a class, predicate, or module is defined.
+This returns the file URI and line range of the definition — even into library pack
+files you haven't opened.
 
-- Tool: `codeql_lsp_definition`
-- Parameters: position the cursor on the class name in your query
-- Returns: the file URI and line range of the class definition
+```text
+Tool: codeql_lsp_definition
+Parameters:
+  file_path: /path/to/your/query.ql
+  line: 11         # 0-based line containing the symbol
+  character: 30    # 0-based column within the symbol name
+  workspace_uri: /path/to/pack-root
+```
 
-This is especially useful for understanding what predicates a class offers
-(e.g., `File` has `getBaseName()`, `getExtension()`, `getAbsolutePath()`).
+**Example**: Navigating to `RemoteFlowSource` at line 12, character 30 returns:
+
+```text
+uri: file:///.../.codeql/packages/codeql/javascript-all/2.6.19/
+     semmle/javascript/security/dataflow/RemoteFlowSources.qll
+startLine: 14, startCharacter: 17
+```
+
+You can then read that file to understand the class's API. This is how you discover
+what predicates a type offers without documentation — go to the definition and read
+the source.
 
 ## Step 3: Find All References
 
-Use `codeql_lsp_references` to find how a class or predicate is used across the pack.
+Use `codeql_lsp_references` to find how a symbol is used across the workspace.
+
+```text
+Tool: codeql_lsp_references
+Parameters:
+  file_path: /path/to/your/query.ql
+  line: 11         # 0-based line
+  character: 30    # 0-based column within the symbol
+  workspace_uri: /path/to/pack-root
+```
+
+> **Scope note**: References are scoped to the pack identified by `workspace_uri`.
+> To find usages in library code, point `workspace_uri` to the library pack root.
+> For usages within your own pack only, point it to your pack root.
+
+This is invaluable for learning how experienced query authors use a predicate —
+find real usage examples instead of guessing from documentation.
 
-- Tool: `codeql_lsp_references`
-- Parameters: position the cursor on the symbol
-- Returns: all locations where the symbol is used
+## Step 4: Locate Symbols with Position Finders
+
+Use `find_predicate_position` and `find_class_position` to locate where a specific
+symbol is defined in a file. These return **1-based** line/column positions.
+
+```text
+Tool: find_predicate_position
+Parameters:
+  file: /path/to/your/query.ql
+  name: isSource
+Returns: { start_line: 12, start_col: 13, end_line: 12, end_col: 20 }
+```
 
-This helps you find examples of how experienced query authors use a particular
-predicate, which is invaluable for learning patterns.
+> **Note**: `find_class_position` finds `class` definitions only — it does not find
+> `module` definitions. Use `find_predicate_position` for predicates inside modules.
+
+**Combining with LSP tools**: To navigate to a predicate's definition in library code:
+
+1. Use `find_predicate_position` to get its 1-based position
+2. Subtract 1 from line/col to convert to 0-based
+3. Pass to `codeql_lsp_definition` to jump to the underlying type
+
+## Step 5: Quick-Evaluate Individual Predicates
+
+Use `quick_evaluate` to evaluate a single predicate or class against a database
+without running the full query. This is the fastest way to debug whether a predicate
+matches what you expect.
+
+```text
+Tool: quick_evaluate
+Parameters:
+  file: /path/to/your/query.ql
+  db: /path/to/test-database.testproj
+  symbol: isSink
+  output_path: /tmp/quickeval-results   # optional, for inspecting bqrs output
+```
 
-## Step 4: Validate Incrementally
+The tool evaluates just that symbol (predicate or class) and returns the result path.
+Use `codeql_bqrs_decode` on the output to inspect results in CSV or JSON format.
 
-After each modification to your query file:
+## Step 6: Validate at Multiple Levels
 
-1. Save the file to disk
-2. Use `codeql_lsp_completion` at the cursor position to verify the language server
-   understands the context (non-empty completions = good parse state)
-3. Use `codeql_query_compile` for a full compilation check
-4. Use `codeql_test_run` to validate against expected results
+Use the right validation tool for each situation:
 
-## Step 5: Quick Evaluate Specific Parts
+| Tool                     | Use When                                | Input              | Resolves Imports?   |
+| ------------------------ | --------------------------------------- | ------------------ | ------------------- |
+| `validate_codeql_query`  | Quick structural check                  | Inline QL string   | No (heuristic only) |
+| `codeql_lsp_diagnostics` | Syntax/semantic validation of fragments | Inline QL string   | No                  |
+| `codeql_query_compile`   | Full compilation check                  | On-disk `.ql` file | Yes                 |
+| `codeql_test_run`        | End-to-end result validation            | Test directory     | Yes                 |
 
-Use `find_class_position` and `find_predicate_position` to locate specific
-symbols, then use `quick_evaluate` to evaluate just that class or predicate
-against a database — without running the full query.
+**`codeql_lsp_diagnostics`** validates QL syntax and semantics for inline code snippets,
+but **cannot resolve `import` statements** (like `import javascript`). Use it for:
 
-- Tool: `find_class_position` — find where a class is defined (line/column)
-- Tool: `find_predicate_position` — find where a predicate is defined
-- Tool: `quick_evaluate` — evaluate just that symbol against a database
+- Checking predicate signatures and QL syntax
+- Verifying `from`/`where`/`select` clause structure
+- Catching type errors in import-free QL fragments
+
+For queries with imports, always use `codeql_query_compile` on the saved file.
 
 ## Iterative Development Loop
 
 ```text
-1. Write/modify a clause in the query file
+1. Write/modify a clause in the query file (save to disk)
+     ↓
+2. codeql_lsp_completion → verify context is valid (non-empty = good)
      ↓
-2. codeql_lsp_completion → verify context is valid
+3. codeql_query_compile → check for compilation errors
      ↓
-3. codeql_query_compile → check for errors
+4. codeql_test_run → validate against expected results
      ↓
-4. codeql_test_run → validate results
+5. If unexpected results: quick_evaluate on individual predicates
      ↓
-5. If failing: use codeql_lsp_definition to understand types
+6. If predicate is wrong: codeql_lsp_completion to explore the API
      ↓
-6. If stuck: use codeql_lsp_references to find usage examples
+7. If types are unclear: codeql_lsp_definition to read the source
      ↓
-7. Repeat from step 1
+8. If stuck: codeql_lsp_references to find usage examples
+     ↓
+9. Repeat from step 1
+```
+
+## Worked Example: Building a Taint-Tracking Query
+
+This example shows the tools in action for building a JavaScript XSS query.
+
+### 1. Create the query file and install dependencies
+
+Write a `.ql` file with `import javascript` and a skeleton `from`/`where`/`select`.
+Run `codeql_pack_install` on the pack directory.
+
+### 2. Explore sink types
+
+Request completions in the `from` clause to discover `DataFlow::PropWrite`:
+
+```text
+codeql_lsp_completion(file_path=..., line=9, character=5, workspace_uri=pack_root)
+→ 155 completions including PropWrite, CallNode, MethodCallNode, ...
+```
+
+### 3. Explore `PropWrite` member predicates
+
+After typing `pw.` in the `where` clause, request completions:
+
+```text
+codeql_lsp_completion(file_path=..., line=12, character=9, workspace_uri=pack_root)
+→ 43 predicates: getPropertyName(), getRhs(), getBase(), writes(), ...
+```
+
+### 4. Navigate to `RemoteFlowSource` definition
+
+```text
+codeql_lsp_definition(file_path=..., line=11, character=30, workspace_uri=pack_root)
+→ RemoteFlowSources.qll line 14 in codeql/javascript-all
+```
+
+### 5. Compile and test incrementally
+
+```text
+codeql_query_compile(query=file_path)  →  check for errors
+codeql_test_run(tests=[test_dir], learn=true)  →  populate .expected files
+```
+
+### 6. Debug a predicate in isolation
+
+```text
+find_predicate_position(file=..., name="isSink")  →  line 16, col 13
+quick_evaluate(file=..., db=test.testproj, symbol="isSink")  →  inspect results
 ```
 
 ## Important Notes
 
-- **`codeql_lsp_diagnostics` works with inline code** but cannot resolve imports
-  (like `import javascript`) because the inline code isn't associated with a pack.
-  For import-dependent validation, use `codeql_query_compile` on the actual file.
-- **`codeql_lsp_completion` needs `workspace_uri`** pointing to the pack root for
-  dependency resolution. Without it, completions will be empty.
-- **File-based LSP tools** (`completion`, `definition`, `references`) operate on files
-  that are part of a pack with resolved dependencies. Always run `codeql_pack_install`
-  first.
+- **All LSP tools use 0-based positions**. `find_class_position` and
+  `find_predicate_position` return 1-based positions. Convert before combining.
+- **`workspace_uri` must be the pack root** (the directory containing
+  `codeql-pack.yml`). Without it, completions and definitions will be empty.
+- **Run `codeql_pack_install` first**. LSP tools require resolved dependencies.
+- **`codeql_lsp_diagnostics` cannot resolve imports**. For `import javascript`
+  and similar, use `codeql_query_compile` on the on-disk file instead.
+- **`find_class_position` finds `class` only**, not `module` definitions.
+  Use grep or `find_predicate_position` for predicates inside modules.
+- **`codeql_lsp_references` scope** depends on `workspace_uri`. Point it at
+  a library pack root to find usages across library code.
diff --git a/server/src/prompts/ql-tdd-advanced.prompt.md b/server/src/prompts/ql-tdd-advanced.prompt.md
index 7de0a88..1910cf5 100644
--- a/server/src/prompts/ql-tdd-advanced.prompt.md
+++ b/server/src/prompts/ql-tdd-advanced.prompt.md
@@ -82,6 +82,7 @@ quick_evaluate: {
 }
 
 // Or evaluate a specific class
+// NOTE: find_class_position finds `class` definitions only, not `module` definitions
 find_class_position: {
   file: "/path/to/Query.ql",
   name: "ThrowingMethodCall"
@@ -102,17 +103,17 @@ Use the LSP tools for real-time code exploration during query development:
 // Discover available types after `import javascript`
 codeql_lsp_completion: {
   file_path: "/path/to/Query.ql",
-  line: 5,       // line with `from` clause
-  character: 5,   // cursor position
-  workspace_uri: "file:///path/to/pack-root"  // REQUIRED for dependency resolution
+  line: 5,       // 0-based line with `from` clause
+  character: 5,   // 0-based column position
+  workspace_uri: "/path/to/pack-root"  // REQUIRED: directory containing codeql-pack.yml
 }
 
 // Navigate to a class definition to see its predicates
 codeql_lsp_definition: {
   file_path: "/path/to/Query.ql",
-  line: 5,       // line containing the class name
-  character: 10,  // cursor on the class name
-  workspace_uri: "file:///path/to/pack-root"
+  line: 5,       // 0-based line containing the class name
+  character: 10,  // 0-based column on the class name
+  workspace_uri: "/path/to/pack-root"
 }
 
 // Find all usages of a predicate across the pack
@@ -120,11 +121,17 @@ codeql_lsp_references: {
   file_path: "/path/to/Query.ql",
   line: 8,
   character: 5,
-  workspace_uri: "file:///path/to/pack-root"
+  workspace_uri: "/path/to/pack-root"
 }
 ```
 
-**Important**: Always set `workspace_uri` to the pack or workspace root. Without it, completions for imported library types will be empty.
+**Important LSP tool notes**:
+
+- `workspace_uri` must be a **plain directory path** (not a `file://` URI) pointing to the pack root containing `codeql-pack.yml`
+- All LSP tools use **0-based** line/character positions
+- `find_predicate_position` and `find_class_position` return **1-based** positions — subtract 1 before passing to LSP tools
+- Run `codeql_pack_install` before using LSP tools — they require resolved dependencies
+- Request completions **after a dot** (e.g., `pw.`) to see all member predicates with full documentation
 
 ### 4. Query File Discovery with `find_codeql_query_files`
 
@@ -184,6 +191,7 @@ Before writing any query logic:
    - Identify which nodes correspond to your test cases
 
 4. **Generate CFG if analyzing control flow**:
+
    ```typescript
    codeql_query_run: {
      queryName: "PrintCFG",
@@ -238,6 +246,7 @@ Instead of writing the full query at once:
    ```
 
 3. **Use find_codeql_query_files** to track all related files:
+
    ```typescript
    find_codeql_query_files: {
      queryPath: '/path/to/Query.ql';
@@ -362,6 +371,7 @@ class ThrowingMethod extends Method {
    ```
 
 3. **Profile the query**:
+
    ```typescript
    profile_codeql_query: {
      query: "/path/to/Query.ql",
@@ -406,11 +416,13 @@ When your query produces correct results but differs from the `.expected` file:
 
 1. **Review the `.actual` file** to verify results are correct
 2. **Accept the results** to update the expected baseline:
+
    ```typescript
    codeql_test_accept: {
      tests: ['/path/to/test/QueryTest'];
    }
    ```
+
 3. **Re-run tests** to confirm they now pass
 
 **Warning**: Only accept results after careful review. Don't blindly accept to make tests pass.
diff --git a/server/src/prompts/ql-tdd-basic.prompt.md b/server/src/prompts/ql-tdd-basic.prompt.md
index 2e2b618..d941574 100644
--- a/server/src/prompts/ql-tdd-basic.prompt.md
+++ b/server/src/prompts/ql-tdd-basic.prompt.md
@@ -52,14 +52,20 @@ For detailed guidance, reference the MCP resource: `codeql://learning/test-drive
   - Review AST structure and identify relevant classes
 
 - [ ] **Explore Available Classes and Predicates**
-  - Tool: `codeql_lsp_completion` at cursor position in `from` clause
-  - Set `workspace_uri` to the pack root for dependency resolution
-  - Browse completions with documentation to discover relevant types
+  - Tool: `codeql_lsp_completion` at the position in the `from` clause
+  - Parameters: `file_path`, `line` (0-based), `character` (0-based)
+  - Set `workspace_uri` to the pack root directory (containing `codeql-pack.yml`)
+  - Request completions after a dot (e.g., `pw.`) to see member predicates with docs
+  - Tip: Run `codeql_pack_install` first — LSP tools require resolved dependencies
 
 - [ ] **Navigate to Type Definitions**
   - Tool: `codeql_lsp_definition` on a class or predicate name
-  - Review the definition to understand available member predicates
-  - Tool: `codeql_lsp_references` to find usage examples in the pack
+  - Parameters: `file_path`, `line` (0-based), `character` (0-based), `workspace_uri`
+  - Returns file URI and line range — even into library pack files
+  - Read the definition source to understand available member predicates
+  - Tool: `codeql_lsp_references` to find usage examples across the pack
+
+  For the full iterative LSP workflow, see: `codeql://prompts/ql_lsp_iterative_development`
 
 - [ ] **Reference Language Documentation**
   - Resource: `codeql://languages/{language}/ast`
@@ -206,6 +212,7 @@ codeql_test_accept: {
 - ❌ Skipping compilation step
 - ❌ Not using PrintAST to understand test code
 - ❌ Not using `codeql_lsp_completion` to discover available types
+- ❌ Not setting `workspace_uri` when using LSP tools (completions will be empty)
 - ❌ Creating tests that are too complex
 - ❌ Ignoring false positives in results
 - ❌ Not refactoring after tests pass
diff --git a/server/src/prompts/sarif-rank-false-positives.prompt.md b/server/src/prompts/sarif-rank-false-positives.prompt.md
index 22db9b0..4075da0 100644
--- a/server/src/prompts/sarif-rank-false-positives.prompt.md
+++ b/server/src/prompts/sarif-rank-false-positives.prompt.md
@@ -1,5 +1,5 @@
 ---
-mode: agent
+agent: agent
 ---
 
 # Evaluate SARIF Results for False Positives
diff --git a/server/src/prompts/sarif-rank-true-positives.prompt.md b/server/src/prompts/sarif-rank-true-positives.prompt.md
index e98b145..904c871 100644
--- a/server/src/prompts/sarif-rank-true-positives.prompt.md
+++ b/server/src/prompts/sarif-rank-true-positives.prompt.md
@@ -1,5 +1,5 @@
 ---
-mode: agent
+agent: agent
 ---
 
 # Evaluate SARIF Results for True Positives
diff --git a/server/src/prompts/tools-query-workflow.prompt.md b/server/src/prompts/tools-query-workflow.prompt.md
index 870a7e1..e501986 100644
--- a/server/src/prompts/tools-query-workflow.prompt.md
+++ b/server/src/prompts/tools-query-workflow.prompt.md
@@ -60,7 +60,7 @@ The PrintAST query outputs a hierarchical tree of AST nodes with labels.
 
 **Example AST output structure:**
 
-```
+```text
 TopLevelFunction
 ├── FunctionDeclarationEntry
 ├── Block
@@ -91,7 +91,7 @@ The PrintCFG query outputs control flow nodes and edges.
 
 **Example CFG output structure:**
 
-```
+```text
 nodes
 | node | semmle.label |
 | ... | entry: processData |
@@ -141,7 +141,7 @@ Use the gathered information to inform your query:
 
 ### Pattern 1: Finding All Function Calls
 
-```
+```text
 1. Run PrintAST on your source file
 2. Look for FunctionCall, MethodAccess, or similar nodes
 3. Note the parent/child relationships
@@ -150,7 +150,7 @@ Use the gathered information to inform your query:
 
 ### Pattern 2: Tracing Data Through Functions
 
-```
+```text
 1. Run CallGraphFrom on your entry point function
 2. Identify which functions are called
 3. Run CallGraphTo on sink functions
@@ -159,7 +159,7 @@ Use the gathered information to inform your query:
 
 ### Pattern 3: Understanding Loop Structures
 
-```
+```text
 1. Run PrintAST to find loop constructs (ForStmt, WhileStmt, etc.)
 2. Run PrintCFG on the containing function
 3. Identify back edges that represent loop iteration
@@ -187,3 +187,21 @@ Use the gathered information to inform your query:
 | `codeql_lsp_completion`   | Explore available types after seeing AST class names |
 | `codeql_lsp_definition`   | Navigate to class definitions to see predicates      |
 | `codeql_lsp_references`   | Find usage examples of a class or predicate          |
+
+### Using LSP Tools After AST Analysis
+
+After running PrintAST and identifying relevant AST class names, use the LSP tools
+to explore those classes in your query file:
+
+1. **Write the class name** in your query's `from` clause and save the file
+2. **Run `codeql_lsp_completion`** after the dot to see member predicates:
+   - `file_path`: your query file, `line`/`character`: 0-based position after the dot
+   - `workspace_uri`: the pack root directory (containing `codeql-pack.yml`)
+3. **Run `codeql_lsp_definition`** on an AST class name to see its full API
+4. **Run `codeql_lsp_references`** to find usage examples in the pack
+
+> **Note**: LSP tools use 0-based line/character positions. Run `codeql_pack_install`
+> before using them — they require resolved dependencies. Set `workspace_uri` to
+> a plain directory path (not a `file://` URI).
+
+For the full iterative LSP development workflow, see: `codeql://prompts/ql_lsp_iterative_development`
diff --git a/server/src/prompts/workshop-creation-workflow.prompt.md b/server/src/prompts/workshop-creation-workflow.prompt.md
index 2cced81..81edaef 100644
--- a/server/src/prompts/workshop-creation-workflow.prompt.md
+++ b/server/src/prompts/workshop-creation-workflow.prompt.md
@@ -97,7 +97,7 @@ Decompose the query into 4-8 incremental stages using these strategies:
 
 Standard workshop directory layout:
 
-```
+```text
 workshop-name/
 ├── codeql-workspace.yml      # CodeQL workspace configuration
 ├── README.md                 # Workshop guide with instructions
@@ -143,7 +143,13 @@ workshop-name/
 
 ### Phase 5: Create Solution Queries
 
-For each stage, create a complete solution query:
+For each stage, create a complete solution query. Use the iterative LSP tools
+for efficient development (see `codeql://prompts/ql_lsp_iterative_development`):
+
+- Use `codeql_lsp_completion` to explore types and member predicates while writing queries
+- Use `codeql_lsp_definition` to navigate to library class definitions
+- Use `find_predicate_position` + `quick_evaluate` to test predicates in isolation
+- Set `workspace_uri` to the solutions pack root for dependency resolution
 
 - [ ] **Stage 1 Solution**: Simplest working version
   - Basic import statements
@@ -261,19 +267,24 @@ When creating workshops outside the MCP server repository:
 
 ## MCP Tools and Prompts Reference
 
-| Tool/Prompt               | Type   | Purpose                                                      |
-| ------------------------- | ------ | ------------------------------------------------------------ |
-| `find_codeql_query_files` | Tool   | Locate query and related files                               |
-| `explain_codeql_query`    | Prompt | Generate detailed explanations for workshop learning content |
-| `document_codeql_query`   | Prompt | Create/update query documentation files                      |
-| `codeql_query_run`        | Tool   | Run tools queries (PrintAST, PrintCFG, etc.)                 |
-| `codeql_test_run`         | Tool   | Validate tests pass                                          |
-| `codeql_test_accept`      | Tool   | Accept test results as expected baseline                     |
-| `codeql_query_compile`    | Tool   | Verify queries compile                                       |
-| `codeql_pack_install`     | Tool   | Install pack dependencies                                    |
-| `codeql_resolve_metadata` | Tool   | Extract query metadata                                       |
-| `profile_codeql_query`    | Tool   | Profile query execution to understand evaluation order       |
-| `create_codeql_query`     | Tool   | Scaffold new query structure                                 |
+| Tool/Prompt                    | Type   | Purpose                                                      |
+| ------------------------------ | ------ | ------------------------------------------------------------ |
+| `find_codeql_query_files`      | Tool   | Locate query and related files                               |
+| `explain_codeql_query`         | Prompt | Generate detailed explanations for workshop learning content |
+| `document_codeql_query`        | Prompt | Create/update query documentation files                      |
+| `ql_lsp_iterative_development` | Prompt | Iterative query development with LSP tools                   |
+| `codeql_query_run`             | Tool   | Run tools queries (PrintAST, PrintCFG, etc.)                 |
+| `codeql_test_run`              | Tool   | Validate tests pass                                          |
+| `codeql_test_accept`           | Tool   | Accept test results as expected baseline                     |
+| `codeql_query_compile`         | Tool   | Verify queries compile                                       |
+| `codeql_pack_install`          | Tool   | Install pack dependencies                                    |
+| `codeql_resolve_metadata`      | Tool   | Extract query metadata                                       |
+| `codeql_lsp_completion`        | Tool   | Explore types and member predicates during query writing     |
+| `codeql_lsp_definition`        | Tool   | Navigate to class/predicate definitions in library code      |
+| `find_predicate_position`      | Tool   | Locate predicate positions for quick_evaluate                |
+| `quick_evaluate`               | Tool   | Test individual predicates against a database                |
+| `profile_codeql_query`         | Tool   | Profile query execution to understand evaluation order       |
+| `create_codeql_query`          | Tool   | Scaffold new query structure                                 |
 
 ## Troubleshooting
 
diff --git a/server/test/src/prompts/workflow-prompts.test.ts b/server/test/src/prompts/workflow-prompts.test.ts
index 11bcf09..ea44547 100644
--- a/server/test/src/prompts/workflow-prompts.test.ts
+++ b/server/test/src/prompts/workflow-prompts.test.ts
@@ -1,6 +1,15 @@
 /**
  * Tests for workflow prompts context builders, schema validation,
  * and registerWorkflowPrompts registration consistency.
+ *
+ * This file ensures that:
+ * 1. Required vs optional parameters are properly enforced per schema.
+ * 2. VS Code slash-command string inputs are handled correctly (coercion).
+ * 3. Each schema exposes exactly the expected parameter keys.
+ * 4. Registered schemas match the exported schema constants.
+ * 5. Handler outputs reflect user-supplied parameter values.
+ * 6. Default/derived values behave consistently.
+ * 7. All SUPPORTED_LANGUAGES are accepted by every schema with a language field.
  */
 
 import { describe, it, expect, vi, beforeEach } from 'vitest';
@@ -30,6 +39,36 @@ vi.mock('../../../src/prompts/prompt-loader', () => ({
   processPromptTemplate: vi.fn(() => '# processed mock template\n'),
 }));
 
+// ---------------------------------------------------------------------------
+// Helper types
+// ---------------------------------------------------------------------------
+
+/** Handler result shape returned by every workflow prompt. */
+interface PromptResult {
+  messages: Array<{
+    content: { text: string; type: string };
+    role: string;
+  }>;
+}
+
+// eslint-disable-next-line no-unused-vars
+type PromptHandler = (args: Record<string, any>) => Promise<PromptResult>;
+
+// ---------------------------------------------------------------------------
+// Helper: invoke a registered handler by prompt name
+// ---------------------------------------------------------------------------
+function getRegisteredHandler(
+  mockServer: McpServer,
+  promptName: string
+): PromptHandler {
+  const calls = (mockServer.prompt as ReturnType<typeof vi.fn>).mock.calls;
+  const match = calls.find((c: unknown[]) => c[0] === promptName);
+  if (!match) {
+    throw new Error(`Prompt "${promptName}" not registered`);
+  }
+  return match[3] as PromptHandler;
+}
+
 describe('Workflow Prompts', () => {
   // -----------------------------------------------------------------------
   // SUPPORTED_LANGUAGES
@@ -70,6 +109,12 @@ describe('Workflow Prompts', () => {
   // testDrivenDevelopmentSchema
   // -----------------------------------------------------------------------
   describe('testDrivenDevelopmentSchema', () => {
+    it('should expose exactly the expected parameter keys', () => {
+      expect(Object.keys(testDrivenDevelopmentSchema.shape).sort()).toEqual(
+        ['language', 'queryName']
+      );
+    });
+
     it('should accept valid required language', () => {
       const result = testDrivenDevelopmentSchema.safeParse({ language: 'javascript' });
       expect(result.success).toBe(true);
@@ -86,21 +131,50 @@ describe('Workflow Prompts', () => {
       }
     });
 
+    it('should leave queryName as undefined when omitted', () => {
+      const result = testDrivenDevelopmentSchema.safeParse({ language: 'java' });
+      expect(result.success).toBe(true);
+      if (result.success) {
+        expect(result.data.queryName).toBeUndefined();
+      }
+    });
+
     it('should reject missing language', () => {
       const result = testDrivenDevelopmentSchema.safeParse({ queryName: 'Q' });
       expect(result.success).toBe(false);
     });
 
+    it('should reject empty object (language is required)', () => {
+      const result = testDrivenDevelopmentSchema.safeParse({});
+      expect(result.success).toBe(false);
+    });
+
     it('should reject invalid language', () => {
       const result = testDrivenDevelopmentSchema.safeParse({ language: 'rust' });
       expect(result.success).toBe(false);
     });
+
+    it('should reject language with wrong case (enum is case-sensitive)', () => {
+      const result = testDrivenDevelopmentSchema.safeParse({ language: 'JavaScript' });
+      expect(result.success).toBe(false);
+    });
+
+    it.each([...SUPPORTED_LANGUAGES])('should accept language "%s"', (lang) => {
+      const result = testDrivenDevelopmentSchema.safeParse({ language: lang });
+      expect(result.success).toBe(true);
+    });
   });
 
   // -----------------------------------------------------------------------
   // toolsQueryWorkflowSchema
   // -----------------------------------------------------------------------
   describe('toolsQueryWorkflowSchema', () => {
+    it('should expose exactly the expected parameter keys', () => {
+      expect(Object.keys(toolsQueryWorkflowSchema.shape).sort()).toEqual(
+        ['database', 'language', 'sourceFiles', 'sourceFunction', 'targetFunction']
+      );
+    });
+
     it('should accept required database and language', () => {
       const result = toolsQueryWorkflowSchema.safeParse({
         database: '/db',
@@ -119,6 +193,11 @@ describe('Workflow Prompts', () => {
       expect(result.success).toBe(false);
     });
 
+    it('should reject empty object (both required fields missing)', () => {
+      const result = toolsQueryWorkflowSchema.safeParse({});
+      expect(result.success).toBe(false);
+    });
+
     it('should accept all optional parameters', () => {
       const result = toolsQueryWorkflowSchema.safeParse({
         database: '/db',
@@ -134,12 +213,36 @@ describe('Workflow Prompts', () => {
         expect(result.data.targetFunction).toBe('cleanup');
       }
     });
+
+    it('should leave optional parameters as undefined when omitted', () => {
+      const result = toolsQueryWorkflowSchema.safeParse({
+        database: '/db',
+        language: 'go',
+      });
+      expect(result.success).toBe(true);
+      if (result.success) {
+        expect(result.data.sourceFiles).toBeUndefined();
+        expect(result.data.sourceFunction).toBeUndefined();
+        expect(result.data.targetFunction).toBeUndefined();
+      }
+    });
+
+    it.each([...SUPPORTED_LANGUAGES])('should accept language "%s"', (lang) => {
+      const result = toolsQueryWorkflowSchema.safeParse({ database: '/db', language: lang });
+      expect(result.success).toBe(true);
+    });
   });
 
   // -----------------------------------------------------------------------
   // workshopCreationWorkflowSchema
   // -----------------------------------------------------------------------
   describe('workshopCreationWorkflowSchema', () => {
+    it('should expose exactly the expected parameter keys', () => {
+      expect(Object.keys(workshopCreationWorkflowSchema.shape).sort()).toEqual(
+        ['language', 'numStages', 'queryPath', 'workshopName']
+      );
+    });
+
     it('should accept valid parameters with number numStages', () => {
       const result = workshopCreationWorkflowSchema.safeParse({
         queryPath: '/path/to/query.ql',
@@ -168,6 +271,18 @@ describe('Workflow Prompts', () => {
       }
     });
 
+    it('should coerce string "0" numStages to number 0', () => {
+      const result = workshopCreationWorkflowSchema.safeParse({
+        queryPath: '/q.ql',
+        language: 'java',
+        numStages: '0',
+      });
+      expect(result.success).toBe(true);
+      if (result.success) {
+        expect(result.data.numStages).toBe(0);
+      }
+    });
+
     it('should accept optional numStages', () => {
       const result = workshopCreationWorkflowSchema.safeParse({
         queryPath: '/path/to/query.ql',
@@ -193,6 +308,18 @@ describe('Workflow Prompts', () => {
       }
     });
 
+    it('should leave optional fields undefined when omitted', () => {
+      const result = workshopCreationWorkflowSchema.safeParse({
+        queryPath: '/q.ql',
+        language: 'ruby',
+      });
+      expect(result.success).toBe(true);
+      if (result.success) {
+        expect(result.data.workshopName).toBeUndefined();
+        expect(result.data.numStages).toBeUndefined();
+      }
+    });
+
     it('should reject invalid language', () => {
       const result = workshopCreationWorkflowSchema.safeParse({
         queryPath: '/path/to/query.ql',
@@ -218,15 +345,18 @@ describe('Workflow Prompts', () => {
       expect(result.success).toBe(false);
     });
 
-    it('should support all SUPPORTED_LANGUAGES', () => {
-      for (const lang of SUPPORTED_LANGUAGES) {
-        const result = workshopCreationWorkflowSchema.safeParse({
-          queryPath: '/path/to/query.ql',
-          language: lang
-        });
+    it('should reject empty object (both required fields missing)', () => {
+      const result = workshopCreationWorkflowSchema.safeParse({});
+      expect(result.success).toBe(false);
+    });
+
+    it.each([...SUPPORTED_LANGUAGES])('should accept language "%s"', (lang) => {
+      const result = workshopCreationWorkflowSchema.safeParse({
+        queryPath: '/path/to/query.ql',
+        language: lang
+      });
 
-        expect(result.success).toBe(true);
-      }
+      expect(result.success).toBe(true);
     });
   });
 
@@ -234,6 +364,12 @@ describe('Workflow Prompts', () => {
   // qlTddBasicSchema
   // -----------------------------------------------------------------------
   describe('qlTddBasicSchema', () => {
+    it('should expose exactly the expected parameter keys', () => {
+      expect(Object.keys(qlTddBasicSchema.shape).sort()).toEqual(
+        ['language', 'queryName']
+      );
+    });
+
     it('should accept empty object (all optional)', () => {
       const result = qlTddBasicSchema.safeParse({});
       expect(result.success).toBe(true);
@@ -249,16 +385,36 @@ describe('Workflow Prompts', () => {
       expect(result.success).toBe(true);
     });
 
+    it('should leave both fields as undefined when omitted', () => {
+      const result = qlTddBasicSchema.safeParse({});
+      expect(result.success).toBe(true);
+      if (result.success) {
+        expect(result.data.language).toBeUndefined();
+        expect(result.data.queryName).toBeUndefined();
+      }
+    });
+
     it('should reject invalid language', () => {
       const result = qlTddBasicSchema.safeParse({ language: 'fortran' });
       expect(result.success).toBe(false);
     });
+
+    it.each([...SUPPORTED_LANGUAGES])('should accept language "%s"', (lang) => {
+      const result = qlTddBasicSchema.safeParse({ language: lang });
+      expect(result.success).toBe(true);
+    });
   });
 
   // -----------------------------------------------------------------------
   // qlTddAdvancedSchema
   // -----------------------------------------------------------------------
   describe('qlTddAdvancedSchema', () => {
+    it('should expose exactly the expected parameter keys', () => {
+      expect(Object.keys(qlTddAdvancedSchema.shape).sort()).toEqual(
+        ['database', 'language', 'queryName']
+      );
+    });
+
     it('should accept empty object (all optional)', () => {
       const result = qlTddAdvancedSchema.safeParse({});
       expect(result.success).toBe(true);
@@ -276,16 +432,37 @@ describe('Workflow Prompts', () => {
       }
     });
 
+    it('should leave all fields as undefined when omitted', () => {
+      const result = qlTddAdvancedSchema.safeParse({});
+      expect(result.success).toBe(true);
+      if (result.success) {
+        expect(result.data.database).toBeUndefined();
+        expect(result.data.language).toBeUndefined();
+        expect(result.data.queryName).toBeUndefined();
+      }
+    });
+
     it('should reject invalid language', () => {
       const result = qlTddAdvancedSchema.safeParse({ language: 'sql' });
       expect(result.success).toBe(false);
     });
+
+    it.each([...SUPPORTED_LANGUAGES])('should accept language "%s"', (lang) => {
+      const result = qlTddAdvancedSchema.safeParse({ language: lang });
+      expect(result.success).toBe(true);
+    });
   });
 
   // -----------------------------------------------------------------------
   // sarifRankSchema
   // -----------------------------------------------------------------------
   describe('sarifRankSchema', () => {
+    it('should expose exactly the expected parameter keys', () => {
+      expect(Object.keys(sarifRankSchema.shape).sort()).toEqual(
+        ['queryId', 'sarifPath']
+      );
+    });
+
     it('should accept empty object (all optional)', () => {
       const result = sarifRankSchema.safeParse({});
       expect(result.success).toBe(true);
@@ -311,12 +488,27 @@ describe('Workflow Prompts', () => {
       });
       expect(result.success).toBe(true);
     });
+
+    it('should leave both fields as undefined when omitted', () => {
+      const result = sarifRankSchema.safeParse({});
+      expect(result.success).toBe(true);
+      if (result.success) {
+        expect(result.data.queryId).toBeUndefined();
+        expect(result.data.sarifPath).toBeUndefined();
+      }
+    });
   });
 
   // -----------------------------------------------------------------------
   // explainCodeqlQuerySchema
   // -----------------------------------------------------------------------
   describe('explainCodeqlQuerySchema', () => {
+    it('should expose exactly the expected parameter keys', () => {
+      expect(Object.keys(explainCodeqlQuerySchema.shape).sort()).toEqual(
+        ['databasePath', 'language', 'queryPath']
+      );
+    });
+
     it('should accept required queryPath and language', () => {
       const result = explainCodeqlQuerySchema.safeParse({
         language: 'javascript',
@@ -337,6 +529,17 @@ describe('Workflow Prompts', () => {
       }
     });
 
+    it('should leave databasePath as undefined when omitted', () => {
+      const result = explainCodeqlQuerySchema.safeParse({
+        language: 'go',
+        queryPath: '/q.ql',
+      });
+      expect(result.success).toBe(true);
+      if (result.success) {
+        expect(result.data.databasePath).toBeUndefined();
+      }
+    });
+
     it('should reject missing queryPath', () => {
       const result = explainCodeqlQuerySchema.safeParse({ language: 'java' });
       expect(result.success).toBe(false);
@@ -346,12 +549,31 @@ describe('Workflow Prompts', () => {
       const result = explainCodeqlQuerySchema.safeParse({ queryPath: '/q.ql' });
       expect(result.success).toBe(false);
     });
+
+    it('should reject empty object (both required fields missing)', () => {
+      const result = explainCodeqlQuerySchema.safeParse({});
+      expect(result.success).toBe(false);
+    });
+
+    it.each([...SUPPORTED_LANGUAGES])('should accept language "%s"', (lang) => {
+      const result = explainCodeqlQuerySchema.safeParse({
+        language: lang,
+        queryPath: '/q.ql',
+      });
+      expect(result.success).toBe(true);
+    });
   });
 
   // -----------------------------------------------------------------------
   // documentCodeqlQuerySchema
   // -----------------------------------------------------------------------
   describe('documentCodeqlQuerySchema', () => {
+    it('should expose exactly the expected parameter keys', () => {
+      expect(Object.keys(documentCodeqlQuerySchema.shape).sort()).toEqual(
+        ['language', 'queryPath']
+      );
+    });
+
     it('should accept required queryPath and language', () => {
       const result = documentCodeqlQuerySchema.safeParse({
         language: 'go',
@@ -369,12 +591,31 @@ describe('Workflow Prompts', () => {
       const result = documentCodeqlQuerySchema.safeParse({ queryPath: '/q.ql' });
       expect(result.success).toBe(false);
     });
+
+    it('should reject empty object (both required fields missing)', () => {
+      const result = documentCodeqlQuerySchema.safeParse({});
+      expect(result.success).toBe(false);
+    });
+
+    it.each([...SUPPORTED_LANGUAGES])('should accept language "%s"', (lang) => {
+      const result = documentCodeqlQuerySchema.safeParse({
+        language: lang,
+        queryPath: '/q.ql',
+      });
+      expect(result.success).toBe(true);
+    });
   });
 
   // -----------------------------------------------------------------------
   // qlLspIterativeDevelopmentSchema
   // -----------------------------------------------------------------------
   describe('qlLspIterativeDevelopmentSchema', () => {
+    it('should expose exactly the expected parameter keys', () => {
+      expect(Object.keys(qlLspIterativeDevelopmentSchema.shape).sort()).toEqual(
+        ['language', 'queryPath', 'workspaceUri']
+      );
+    });
+
     it('should accept empty object (all optional)', () => {
       const result = qlLspIterativeDevelopmentSchema.safeParse({});
       expect(result.success).toBe(true);
@@ -392,10 +633,253 @@ describe('Workflow Prompts', () => {
       }
     });
 
+    it('should leave all fields as undefined when omitted', () => {
+      const result = qlLspIterativeDevelopmentSchema.safeParse({});
+      expect(result.success).toBe(true);
+      if (result.success) {
+        expect(result.data.language).toBeUndefined();
+        expect(result.data.queryPath).toBeUndefined();
+        expect(result.data.workspaceUri).toBeUndefined();
+      }
+    });
+
     it('should reject invalid language', () => {
       const result = qlLspIterativeDevelopmentSchema.safeParse({ language: 'haskell' });
       expect(result.success).toBe(false);
     });
+
+    it.each([...SUPPORTED_LANGUAGES])('should accept language "%s"', (lang) => {
+      const result = qlLspIterativeDevelopmentSchema.safeParse({ language: lang });
+      expect(result.success).toBe(true);
+    });
+  });
+
+  // -----------------------------------------------------------------------
+  // Cross-schema: VS Code slash command string-input compatibility
+  // -----------------------------------------------------------------------
+  describe('VS Code slash command string-input compatibility', () => {
+    it('should accept string language values as-is (already strings)', () => {
+      // VS Code passes everything as strings — language enums must accept
+      // the literal string values without coercion.
+      const result = testDrivenDevelopmentSchema.safeParse({
+        language: 'javascript',
+      });
+      expect(result.success).toBe(true);
+    });
+
+    it('should reject empty string for required language enum', () => {
+      // If VS Code sends an empty string for the language input box
+      const result = testDrivenDevelopmentSchema.safeParse({ language: '' });
+      expect(result.success).toBe(false);
+    });
+
+    it('should accept empty string for optional string parameters', () => {
+      // VS Code may send empty strings for optional text inputs
+      const result = testDrivenDevelopmentSchema.safeParse({
+        language: 'python',
+        queryName: '',
+      });
+      expect(result.success).toBe(true);
+      if (result.success) {
+        expect(result.data.queryName).toBe('');
+      }
+    });
+
+    it('should reject null for required string parameters', () => {
+      const result = toolsQueryWorkflowSchema.safeParse({
+        database: null,
+        language: 'go',
+      });
+      expect(result.success).toBe(false);
+    });
+
+    it('should reject null for required language enum', () => {
+      const result = toolsQueryWorkflowSchema.safeParse({
+        database: '/db',
+        language: null,
+      });
+      expect(result.success).toBe(false);
+    });
+
+    it('should reject non-numeric string for numStages (NaN coercion)', () => {
+      // z.coerce.number() on a non-numeric string produces NaN, which Zod
+      // rejects because NaN is not a valid finite number.
+      const result = workshopCreationWorkflowSchema.safeParse({
+        queryPath: '/q.ql',
+        language: 'java',
+        numStages: 'abc',
+      });
+      expect(result.success).toBe(false);
+    });
+  });
+
+  // -----------------------------------------------------------------------
+  // Cross-schema: required vs optional classification
+  // -----------------------------------------------------------------------
+  describe('Required vs optional parameter classification', () => {
+    /**
+     * Mapping of schema name → { required: string[], optional: string[] }
+     * This serves as a living specification for the VS Code parameter dialog.
+     */
+    const schemaSpecs: Array<{
+      name: string;
+
+      schema: any;
+      required: string[];
+      optional: string[];
+    }> = [
+      {
+        name: 'testDrivenDevelopmentSchema',
+        schema: testDrivenDevelopmentSchema,
+        required: ['language'],
+        optional: ['queryName'],
+      },
+      {
+        name: 'toolsQueryWorkflowSchema',
+        schema: toolsQueryWorkflowSchema,
+        required: ['database', 'language'],
+        optional: ['sourceFiles', 'sourceFunction', 'targetFunction'],
+      },
+      {
+        name: 'workshopCreationWorkflowSchema',
+        schema: workshopCreationWorkflowSchema,
+        required: ['language', 'queryPath'],
+        optional: ['numStages', 'workshopName'],
+      },
+      {
+        name: 'qlTddBasicSchema',
+        schema: qlTddBasicSchema,
+        required: [],
+        optional: ['language', 'queryName'],
+      },
+      {
+        name: 'qlTddAdvancedSchema',
+        schema: qlTddAdvancedSchema,
+        required: [],
+        optional: ['database', 'language', 'queryName'],
+      },
+      {
+        name: 'sarifRankSchema',
+        schema: sarifRankSchema,
+        required: [],
+        optional: ['queryId', 'sarifPath'],
+      },
+      {
+        name: 'explainCodeqlQuerySchema',
+        schema: explainCodeqlQuerySchema,
+        required: ['language', 'queryPath'],
+        optional: ['databasePath'],
+      },
+      {
+        name: 'documentCodeqlQuerySchema',
+        schema: documentCodeqlQuerySchema,
+        required: ['language', 'queryPath'],
+        optional: [],
+      },
+      {
+        name: 'qlLspIterativeDevelopmentSchema',
+        schema: qlLspIterativeDevelopmentSchema,
+        required: [],
+        optional: ['language', 'queryPath', 'workspaceUri'],
+      },
+    ];
+
+    it.each(schemaSpecs)(
+      '$name — should have exactly the expected required and optional keys',
+      ({ schema, required, optional }) => {
+        const allKeys = [...required, ...optional].sort();
+        expect(Object.keys(schema.shape).sort()).toEqual(allKeys);
+      }
+    );
+
+    it.each(schemaSpecs)(
+      '$name — required fields must cause rejection when omitted individually',
+      ({ schema, required, optional: _optional }) => {
+        // Build a fully-valid object first
+        const validObj: Record<string, string | number> = {};
+        for (const key of required) {
+          if (key === 'language') {
+            validObj[key] = 'javascript';
+          } else if (key === 'numStages') {
+            validObj[key] = 5;
+          } else {
+            validObj[key] = `/test/${key}`;
+          }
+        }
+        // Leave optional keys out — valid object with only required keys
+        void _optional;
+
+        // Verify the base valid object passes
+        const baseResult = schema.safeParse(validObj);
+        expect(baseResult.success).toBe(true);
+
+        // Omit each required key one at a time and verify rejection
+        for (const reqKey of required) {
+          const partial = { ...validObj };
+          delete partial[reqKey];
+          const result = schema.safeParse(partial);
+          expect(result.success).toBe(false);
+        }
+      }
+    );
+
+    it.each(schemaSpecs)(
+      '$name — optional fields should be undefined when omitted from a valid parse',
+      ({ schema, required, optional }) => {
+        // Build object with only required fields
+        const validObj: Record<string, string | number> = {};
+        for (const key of required) {
+          if (key === 'language') {
+            validObj[key] = 'python';
+          } else if (key === 'numStages') {
+            validObj[key] = 3;
+          } else {
+            validObj[key] = `/test/${key}`;
+          }
+        }
+
+        const result = schema.safeParse(validObj);
+        expect(result.success).toBe(true);
+        if (result.success) {
+          for (const optKey of optional) {
+            expect(result.data[optKey]).toBeUndefined();
+          }
+        }
+      }
+    );
+  });
+
+  // -----------------------------------------------------------------------
+  // Cross-schema: every schema has a non-empty Zod description per field
+  // -----------------------------------------------------------------------
+  describe('Schema field descriptions (VS Code placeholder text)', () => {
+    const allSchemas = {
+      documentCodeqlQuerySchema,
+      explainCodeqlQuerySchema,
+      qlLspIterativeDevelopmentSchema,
+      qlTddAdvancedSchema,
+      qlTddBasicSchema,
+      sarifRankSchema,
+      testDrivenDevelopmentSchema,
+      toolsQueryWorkflowSchema,
+      workshopCreationWorkflowSchema,
+    };
+
+    it.each(Object.entries(allSchemas))(
+      '%s — every field should have a non-empty description',
+      (_name, schema) => {
+        for (const [key, zodType] of Object.entries(schema.shape)) {
+
+          const desc = (zodType as any).description ?? (zodType as any)._def?.description;
+          expect(
+            desc,
+            `Field "${key}" must have a description for VS Code placeholder text`
+          ).toBeDefined();
+          expect(typeof desc).toBe('string');
+          expect(desc.length).toBeGreaterThan(0);
+        }
+      }
+    );
   });
 
   // -----------------------------------------------------------------------
@@ -453,6 +937,49 @@ describe('Workflow Prompts', () => {
       }
     });
 
+    // -------------------------------------------------------------------
+    // Schema-to-registration consistency: exported schema === registered
+    // -------------------------------------------------------------------
+    describe('schema-to-registration consistency', () => {
+      /** Map prompt name → exported schema .shape */
+      const expectedSchemaShapes: Record<string, Record<string, unknown>> = {
+        document_codeql_query: documentCodeqlQuerySchema.shape,
+        explain_codeql_query: explainCodeqlQuerySchema.shape,
+        ql_lsp_iterative_development: qlLspIterativeDevelopmentSchema.shape,
+        ql_tdd_advanced: qlTddAdvancedSchema.shape,
+        ql_tdd_basic: qlTddBasicSchema.shape,
+        sarif_rank_false_positives: sarifRankSchema.shape,
+        sarif_rank_true_positives: sarifRankSchema.shape,
+        test_driven_development: testDrivenDevelopmentSchema.shape,
+        tools_query_workflow: toolsQueryWorkflowSchema.shape,
+        workshop_creation_workflow: workshopCreationWorkflowSchema.shape,
+      };
+
+      it.each(Object.entries(expectedSchemaShapes))(
+        'prompt "%s" should register the exported schema',
+        (promptName, expectedShape) => {
+          registerWorkflowPrompts(mockServer);
+
+          const calls = (mockServer.prompt as ReturnType<typeof vi.fn>).mock.calls;
+          const match = calls.find((c: unknown[]) => c[0] === promptName);
+          expect(match).toBeDefined();
+
+          const registeredSchema = match![2] as Record<string, unknown>;
+          expect(Object.keys(registeredSchema).sort()).toEqual(
+            Object.keys(expectedShape).sort()
+          );
+
+          // Verify the Zod types are the same object references
+          for (const key of Object.keys(expectedShape)) {
+            expect(registeredSchema[key]).toBe(expectedShape[key]);
+          }
+        }
+      );
+    });
+
+    // -------------------------------------------------------------------
+    // Handler output structure validation (minimal args)
+    // -------------------------------------------------------------------
     it('each handler should return { messages: [...] } with a user message', async () => {
       registerWorkflowPrompts(mockServer);
 
@@ -472,12 +999,10 @@ describe('Workflow Prompts', () => {
 
       for (const call of (mockServer.prompt as ReturnType<typeof vi.fn>).mock.calls) {
         const promptName = call[0] as string;
-         
-        const handler = call[3] as any;
 
-        const result = (await handler(minimalArgs[promptName] ?? {})) as {
-          messages: Array<{ content: { text: string; type: string }; role: string }>;
-        };
+        const handler = call[3] as PromptHandler;
+
+        const result = await handler(minimalArgs[promptName] ?? {});
 
         expect(result).toHaveProperty('messages');
         expect(result.messages.length).toBeGreaterThan(0);
@@ -489,6 +1014,230 @@ describe('Workflow Prompts', () => {
     });
   });
 
+  // -----------------------------------------------------------------------
+  // Handler output content: parameter values reflected in context
+  // -----------------------------------------------------------------------
+  describe('Handler output reflects user-supplied parameters', () => {
+    let mockServer: McpServer;
+
+    beforeEach(() => {
+      vi.clearAllMocks();
+      mockServer = { prompt: vi.fn() } as unknown as McpServer;
+      registerWorkflowPrompts(mockServer);
+    });
+
+    it('test_driven_development handler should include language in context', async () => {
+      const handler = getRegisteredHandler(mockServer, 'test_driven_development');
+      const result: PromptResult = await handler({ language: 'python' });
+      expect(result.messages[0].content.text).toContain('**Language**: python');
+    });
+
+    it('test_driven_development handler should include queryName when provided', async () => {
+      const handler = getRegisteredHandler(mockServer, 'test_driven_development');
+      const result: PromptResult = await handler({
+        language: 'java',
+        queryName: 'SqlInjection',
+      });
+      expect(result.messages[0].content.text).toContain('**Query Name**: SqlInjection');
+    });
+
+    it('test_driven_development handler should omit Query Name line when queryName not provided', async () => {
+      const handler = getRegisteredHandler(mockServer, 'test_driven_development');
+      const result: PromptResult = await handler({ language: 'go' });
+      expect(result.messages[0].content.text).not.toContain('**Query Name**');
+    });
+
+    it('tools_query_workflow handler should include language and database', async () => {
+      const handler = getRegisteredHandler(mockServer, 'tools_query_workflow');
+      const result: PromptResult = await handler({
+        database: '/path/to/mydb',
+        language: 'cpp',
+      });
+      const text = result.messages[0].content.text;
+      expect(text).toContain('**Language**: cpp');
+      expect(text).toContain('**Database**: /path/to/mydb');
+    });
+
+    it('tools_query_workflow handler should include optional source parameters', async () => {
+      const handler = getRegisteredHandler(mockServer, 'tools_query_workflow');
+      const result: PromptResult = await handler({
+        database: '/db',
+        language: 'javascript',
+        sourceFiles: 'app.js,index.js',
+        sourceFunction: 'handleRequest',
+        targetFunction: 'validateInput',
+      });
+      const text = result.messages[0].content.text;
+      expect(text).toContain('**Source Files**: app.js,index.js');
+      expect(text).toContain('**Source Function**: handleRequest');
+      expect(text).toContain('**Target Function**: validateInput');
+    });
+
+    it('workshop_creation_workflow handler should derive workshop name from queryPath', async () => {
+      const handler = getRegisteredHandler(mockServer, 'workshop_creation_workflow');
+      const result: PromptResult = await handler({
+        language: 'python',
+        queryPath: '/path/to/SqlInjection.ql',
+      });
+      const text = result.messages[0].content.text;
+      expect(text).toContain('**Workshop Name**: sqlinjection');
+    });
+
+    it('workshop_creation_workflow handler should prefer explicit workshopName', async () => {
+      const handler = getRegisteredHandler(mockServer, 'workshop_creation_workflow');
+      const result: PromptResult = await handler({
+        language: 'javascript',
+        queryPath: '/path/to/Xss.ql',
+        workshopName: 'custom-workshop',
+      });
+      const text = result.messages[0].content.text;
+      expect(text).toContain('**Workshop Name**: custom-workshop');
+    });
+
+    it('workshop_creation_workflow handler should show numStages when provided', async () => {
+      const handler = getRegisteredHandler(mockServer, 'workshop_creation_workflow');
+      const result: PromptResult = await handler({
+        language: 'go',
+        queryPath: '/q.ql',
+        numStages: 7,
+      });
+      const text = result.messages[0].content.text;
+      expect(text).toContain('**Suggested Stages**: 7');
+    });
+
+    it('workshop_creation_workflow handler should show auto-detect when numStages omitted', async () => {
+      const handler = getRegisteredHandler(mockServer, 'workshop_creation_workflow');
+      const result: PromptResult = await handler({
+        language: 'ruby',
+        queryPath: '/q.ql',
+      });
+      const text = result.messages[0].content.text;
+      expect(text).toContain('4-8 (auto-detect based on query complexity)');
+    });
+
+    it('ql_tdd_basic handler should include context when parameters provided', async () => {
+      const handler = getRegisteredHandler(mockServer, 'ql_tdd_basic');
+      const result: PromptResult = await handler({
+        language: 'csharp',
+        queryName: 'WeakCrypto',
+      });
+      const text = result.messages[0].content.text;
+      expect(text).toContain('**Language**: csharp');
+      expect(text).toContain('**Query Name**: WeakCrypto');
+    });
+
+    it('ql_tdd_basic handler should still return content with no parameters', async () => {
+      const handler = getRegisteredHandler(mockServer, 'ql_tdd_basic');
+      const result: PromptResult = await handler({});
+      expect(result.messages[0].content.text.length).toBeGreaterThan(0);
+    });
+
+    it('ql_tdd_advanced handler should include database in context', async () => {
+      const handler = getRegisteredHandler(mockServer, 'ql_tdd_advanced');
+      const result: PromptResult = await handler({
+        database: '/my/database',
+        language: 'swift',
+        queryName: 'TaintTrack',
+      });
+      const text = result.messages[0].content.text;
+      expect(text).toContain('**Database**: /my/database');
+      expect(text).toContain('**Language**: swift');
+      expect(text).toContain('**Query Name**: TaintTrack');
+    });
+
+    it('ql_tdd_advanced handler should still return content with no parameters', async () => {
+      const handler = getRegisteredHandler(mockServer, 'ql_tdd_advanced');
+      const result: PromptResult = await handler({});
+      expect(result.messages[0].content.text.length).toBeGreaterThan(0);
+    });
+
+    it('sarif_rank_false_positives handler should include queryId and sarifPath', async () => {
+      const handler = getRegisteredHandler(mockServer, 'sarif_rank_false_positives');
+      const result: PromptResult = await handler({
+        queryId: 'js/code-injection',
+        sarifPath: '/results/scan.sarif',
+      });
+      const text = result.messages[0].content.text;
+      expect(text).toContain('**Query ID**: js/code-injection');
+      expect(text).toContain('**SARIF File**: /results/scan.sarif');
+    });
+
+    it('sarif_rank_true_positives handler should include queryId and sarifPath', async () => {
+      const handler = getRegisteredHandler(mockServer, 'sarif_rank_true_positives');
+      const result: PromptResult = await handler({
+        queryId: 'py/command-injection',
+        sarifPath: '/out.sarif',
+      });
+      const text = result.messages[0].content.text;
+      expect(text).toContain('**Query ID**: py/command-injection');
+      expect(text).toContain('**SARIF File**: /out.sarif');
+    });
+
+    it('sarif_rank handlers should return content with no parameters', async () => {
+      for (const name of ['sarif_rank_false_positives', 'sarif_rank_true_positives']) {
+        const handler = getRegisteredHandler(mockServer, name);
+        const result: PromptResult = await handler({});
+        expect(result.messages[0].content.text.length).toBeGreaterThan(0);
+      }
+    });
+
+    it('explain_codeql_query handler should include required and optional params', async () => {
+      const handler = getRegisteredHandler(mockServer, 'explain_codeql_query');
+      const result: PromptResult = await handler({
+        databasePath: '/db/path',
+        language: 'python',
+        queryPath: '/queries/Xss.ql',
+      });
+      const text = result.messages[0].content.text;
+      expect(text).toContain('**Query Path**: /queries/Xss.ql');
+      expect(text).toContain('**Language**: python');
+      expect(text).toContain('**Database Path**: /db/path');
+    });
+
+    it('explain_codeql_query handler should omit Database Path when not provided', async () => {
+      const handler = getRegisteredHandler(mockServer, 'explain_codeql_query');
+      const result: PromptResult = await handler({
+        language: 'java',
+        queryPath: '/q.ql',
+      });
+      const text = result.messages[0].content.text;
+      expect(text).not.toContain('**Database Path**');
+    });
+
+    it('document_codeql_query handler should include queryPath and language', async () => {
+      const handler = getRegisteredHandler(mockServer, 'document_codeql_query');
+      const result: PromptResult = await handler({
+        language: 'go',
+        queryPath: '/queries/SqlInjection.ql',
+      });
+      const text = result.messages[0].content.text;
+      expect(text).toContain('**Query Path**: /queries/SqlInjection.ql');
+      expect(text).toContain('**Language**: go');
+    });
+
+    it('ql_lsp_iterative_development handler should include all optional params', async () => {
+      const handler = getRegisteredHandler(mockServer, 'ql_lsp_iterative_development');
+      const result: PromptResult = await handler({
+        language: 'ruby',
+        queryPath: '/my/query.ql',
+        workspaceUri: '/pack/root',
+      });
+      const text = result.messages[0].content.text;
+      expect(text).toContain('**Language**: ruby');
+      expect(text).toContain('**Query Path**: /my/query.ql');
+      expect(text).toContain('**Workspace URI**: /pack/root');
+    });
+
+    it('ql_lsp_iterative_development handler should omit absent optional params', async () => {
+      const handler = getRegisteredHandler(mockServer, 'ql_lsp_iterative_development');
+      const result: PromptResult = await handler({});
+      const text = result.messages[0].content.text;
+      expect(text).not.toContain('**Language**');
+      expect(text).not.toContain('**Query Path**');
+      expect(text).not.toContain('**Workspace URI**');
+    });
+  });
+
   // -----------------------------------------------------------------------
   // buildToolsQueryContext
   // -----------------------------------------------------------------------
@@ -563,6 +1312,13 @@ describe('Workflow Prompts', () => {
       expect(result).toContain('Identify key functions for CFG');
       expect(result).toContain('Identify target functions');
     });
+
+    it('should not contain optional field labels when those fields are omitted', () => {
+      const result = buildToolsQueryContext('actions', '/db');
+      expect(result).not.toContain('**Source Files**');
+      expect(result).not.toContain('**Source Function**');
+      expect(result).not.toContain('**Target Function**');
+    });
   });
 
   // -----------------------------------------------------------------------
@@ -629,5 +1385,15 @@ describe('Workflow Prompts', () => {
         'queryPath="experimental/Security/MyQuery.ql"'
       );
     });
+
+    it('should include language in explain command', () => {
+      const result = buildWorkshopContext(
+        'query.ql',
+        'swift',
+        'swift-workshop'
+      );
+
+      expect(result).toContain('language="swift"');
+    });
   });
 });
\ No newline at end of file