Create new Svelte project

.buildpacks

@@ -1,2 +1,2 @@
 https://github.com/heroku/heroku-buildpack-apt
-https://github.com/Turbo87/heroku-buildpack-crates-io#7916dff181a455c55ef3a1603a4efe00920a16c2
+https://github.com/Turbo87/heroku-buildpack-crates-io#548cef4ec86eda61bfbf62d0546269dc4632175f

.github/workflows/ci.yml

@@ -82,11 +82,17 @@ jobs:
         with:
           files: .github/workflows/**
 
+      - uses: tj-actions/changed-files@24d32ffd492484c1d75e0c0b894501ddb9d30d62 # v47.0.0
+        id: changed-files-svelte
+        with:
+          files: svelte/**
+
     outputs:
       non-js: ${{ steps.changed-files-non-js.outputs.any_modified }}
       non-rust: ${{ steps.changed-files-non-rust.outputs.any_modified }}
       rust-lockfile: ${{ steps.changed-files-rust-lockfile.outputs.any_modified }}
       ci: ${{ steps.changed-files-ci.outputs.any_modified }}
+      svelte: ${{ steps.changed-files-svelte.outputs.any_modified }}
 
   percy-nonce:
     name: Frontend / Percy Nonce
@@ -362,3 +368,35 @@ jobs:
         with:
           sarif_file: results.sarif
           category: zizmor
+
+  svelte:
+    name: Svelte (experimental)
+    runs-on: ubuntu-24.04
+    needs: changed-files
+    if: needs.changed-files.outputs.svelte == 'true'
+
+    defaults:
+      run:
+        working-directory: svelte
+
+    steps:
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+        with:
+          persist-credentials: false
+
+      - uses: pnpm/action-setup@41ff72655975bd51cab0327fa583b6e92b6d3061 # v4.2.0
+        with:
+          version: ${{ env.PNPM_VERSION }}
+
+      - uses: actions/setup-node@395ad3262231945c25e8478fd5baf05154b1d79f # v6.1.0
+        with:
+          cache: pnpm
+          node-version-file: package.json
+
+      - run: pnpm install
+
+      - run: pnpm lint
+      - run: pnpm check
+      - run: pnpm build
+      - run: pnpm playwright install chromium-headless-shell
+      - run: pnpm test

.prettierignore

@@ -1 +1,2 @@
 dist/
+svelte/

AGENTS.md

@@ -17,6 +17,7 @@
   - `/app/models/` - Ember Data models (crate, version, user, keyword, etc.)
   - `/app/adapters/`, `/app/serializers/` - Ember Data adapter layer
   - `/app/services/` - Shared services (session, notifications, API client)
+- `/svelte/` - Frontend SvelteKit application (WIP)
 - `/crates/` - Workspace crates providing specialized functionality
   - `crates_io_api_types/` - API response serialization types
   - `crates_io_database/` - Database models and schema (Diesel ORM)

eslint.config.mjs

@@ -10,10 +10,10 @@ import globals from 'globals';
 import path from 'node:path';
 import { fileURLToPath } from 'node:url';
 
-const __filename = fileURLToPath(import.meta.url);
-const __dirname = path.dirname(__filename);
+const filename = fileURLToPath(import.meta.url);
+const dirname = path.dirname(filename);
 const compat = new FlatCompat({
-  baseDirectory: __dirname,
+  baseDirectory: dirname,
   recommendedConfig: js.configs.recommended,
   allConfig: js.configs.all,
 });
@@ -25,6 +25,7 @@ export default [
       '.git/**/*',
       'crates/',
       'playwright-report/',
+      'svelte/',
       'target/',
       'test-results/',
       'tmp/',