docs: fix dynamic ogs, lint scripts and cleanup

.github/workflows/lint.yml

@@ -14,8 +14,8 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-  docs-links:
-    name: Docs Links
+  docs:
+    name: Docs
     runs-on: ubuntu-latest
     env:
       TURBO_TOKEN: ${{ secrets.TURBO_TOKEN }}
@@ -42,5 +42,13 @@ jobs:
         run: pnpm install --frozen-lockfile
 
       - name: Validate docs links
-        run: bun ./scripts/lint.ts
+        run: pnpm run lint:links
+        working-directory: docs
+
+      - name: Check single quotes in code blocks
+        run: pnpm run lint:quotes
+        working-directory: docs
+
+      - name: Check TypeScript syntax in examples
+        run: pnpm run lint:ts-examples
         working-directory: docs

docs/app/og/[...slug]/route.tsx

@@ -0,0 +1,90 @@
+import { readFile } from 'node:fs/promises';
+import { join } from 'node:path';
+import { ImageResponse } from 'next/og';
+import type { NextRequest } from 'next/server';
+import { getPageImage, source } from '@/lib/geistdocs/source';
+
+export const GET = async (
+  _request: NextRequest,
+  { params }: RouteContext<'/og/[...slug]'>
+) => {
+  const { slug } = await params;
+  const page = source.getPage(slug.slice(0, -1));
+
+  if (!page) {
+    return new Response('Not found', { status: 404 });
+  }
+
+  const { title, description } = page.data;
+
+  const regularFont = await readFile(
+    join(process.cwd(), 'app/og/[...slug]/geist-sans-regular.ttf')
+  );
+
+  const semiboldFont = await readFile(
+    join(process.cwd(), 'app/og/[...slug]/geist-sans-semibold.ttf')
+  );
+
+  const backgroundImage = await readFile(
+    join(process.cwd(), 'app/og/[...slug]/background.png')
+  );
+
+  const backgroundImageData = backgroundImage.buffer.slice(
+    backgroundImage.byteOffset,
+    backgroundImage.byteOffset + backgroundImage.byteLength
+  );
+
+  return new ImageResponse(
+    <div style={{ fontFamily: 'Geist' }} tw="flex h-full w-full">
+      {/** biome-ignore lint/performance/noImgElement: "Required for Satori" */}
+      <img
+        alt="Vercel OpenGraph Background"
+        height={628}
+        src={backgroundImageData as never}
+        width={1200}
+      />
+      <div tw="flex flex-col absolute h-full w-[750px] left-[82px] top-[164px] pb-[86px] pt-[120px] max-w-2xl">
+        <div
+          style={{
+            textWrap: 'balance',
+          }}
+          tw="text-7xl font-medium text-white flex leading-[1.1] mb-4 text-[#ededed] tracking-[-0.04em]"
+        >
+          {title}
+        </div>
+        <div
+          style={{
+            color: '#8B8B8B',
+            lineHeight: '38px',
+            textWrap: 'balance',
+          }}
+          tw="text-[28px] text-[#A0A0A0]"
+        >
+          {description}
+        </div>
+      </div>
+    </div>,
+    {
+      width: 1200,
+      height: 628,
+      fonts: [
+        {
+          name: 'Geist',
+          data: regularFont,
+          weight: 400,
+        },
+        {
+          name: 'Geist',
+          data: semiboldFont,
+          weight: 500,
+        },
+      ],
+    }
+  );
+};
+
+export const generateStaticParams = () =>
+  source.getPages().map((page) => ({
+    lang: page.locale,
+    slug: getPageImage(page).segments,
+  }));

docs/components/docs/getting-started/intro.tsx

@@ -0,0 +1,9 @@
+export function GettingStartedIntro({ framework }: { framework: string }) {
+  return (
+    <p>
+      This guide will walk through setting up your first workflow in a{' '}
+      {framework} app. Along the way, you'll learn more about the concepts that
+      are fundamental to using the development kit in your own projects.
+    </p>
+  );
+}

docs/components/geistdocs/docs-page.tsx

@@ -7,7 +7,7 @@ import {
 import type { Metadata } from 'next';
 import { notFound } from 'next/navigation';
 import type { ComponentProps, CSSProperties } from 'react';
-import { source } from '@/lib/geistdocs/source';
+import { getPageImage, source } from '@/lib/geistdocs/source';
 import { cn } from '@/lib/utils';
 
 const containerStyle = {
@@ -75,6 +75,9 @@ export const generatePageMetadata = (slug: PageProps['slug']) => {
   const metadata: Metadata = {
     title: page.data.title,
     description: page.data.description,
+    openGraph: {
+      images: getPageImage(page).url,
+    },
   };
 
   return metadata;

docs/components/geistdocs/mdx-components.tsx

@@ -14,6 +14,7 @@ import {
   CodeBlockTabsList,
   CodeBlockTabsTrigger,
 } from './code-block-tabs';
+import { GettingStartedIntro } from '../docs/getting-started/intro';
 import { Mermaid } from './mermaid';
 import { Video } from './video';
 
@@ -44,4 +45,6 @@ export const getMDXComponents = (
   Mermaid,
 
   Video,
+
+  GettingStartedIntro,
 });

docs/content/docs/ai/chat-session-modeling.mdx

@@ -14,7 +14,7 @@ Each user message triggers a new workflow run. The client or API route owns the
 
 <Tab value="Workflow">
 
-```typescript title="workflows/chat/workflow.ts" lineNumbers
+```ts title="workflows/chat/workflow.ts" lineNumbers
 import { DurableAgent } from "@workflow/ai/agent";
 import { getWritable } from "workflow";
 import { flightBookingTools, FLIGHT_ASSISTANT_PROMPT } from "./steps/tools";
@@ -44,7 +44,7 @@ export async function chatWorkflow(messages: ModelMessage[]) {
 
 <Tab value="API Route">
 
-```typescript title="app/api/chat/route.ts" lineNumbers
+```ts title="app/api/chat/route.ts" lineNumbers
 import type { UIMessage } from "ai";
 import { createUIMessageStreamResponse, convertToModelMessages } from "ai";
 import { start } from "workflow/api";
@@ -68,7 +68,7 @@ export async function POST(req: Request) {
 
 Chat messages need to be stored somewhere—typically a database. In this example, we assume a route like `/chats/:id` passes the session ID, allowing us to fetch existing messages and persist new ones.
 
-```typescript title="app/chats/[id]/page.tsx" lineNumbers
+```ts title="app/chats/[id]/page.tsx" lineNumbers
 "use client";
 
 import { useChat } from "@ai-sdk/react";
@@ -131,7 +131,7 @@ A single workflow handles the entire conversation session across multiple turns,
 
 <Tab value="Workflow">
 
-```typescript title="workflows/chat/workflow.ts" lineNumbers
+```ts title="workflows/chat/workflow.ts" lineNumbers
 import { DurableAgent } from "@workflow/ai/agent";
 import { getWritable } from "workflow";
 import { chatMessageHook } from "./hooks/chat-message";
@@ -179,7 +179,7 @@ export async function chatWorkflow(threadId: string, initialMessage: string) {
 
 Two endpoints: one to start the session, one to send follow-up messages.
 
-```typescript title="app/api/chat/route.ts" lineNumbers
+```ts title="app/api/chat/route.ts" lineNumbers
 import { createUIMessageStreamResponse } from "ai";
 import { start } from "workflow/api";
 import { chatWorkflow } from "@/workflows/chat/workflow";
@@ -195,7 +195,7 @@ export async function POST(req: Request) {
 }
 ```
 
-```typescript title="app/api/chat/[id]/route.ts" lineNumbers
+```ts title="app/api/chat/[id]/route.ts" lineNumbers
 import { chatMessageHook } from "@/workflows/chat/hooks/chat-message";
 
 export async function POST(
@@ -215,7 +215,7 @@ export async function POST(
 
 <Tab value="Hook Definition">
 
-```typescript title="workflows/chat/hooks/chat-message.ts" lineNumbers
+```ts title="workflows/chat/hooks/chat-message.ts" lineNumbers
 import { defineHook } from "workflow";
 import { z } from "zod";
 
@@ -232,7 +232,7 @@ export const chatMessageHook = defineHook({
 
 We can replace our `useChat` react hook with a custom hook that manages the chat session. This hook will handle switching between the API endpoints for creating a new thread and sending follow-up messages.
 
-```typescript title="hooks/use-multi-turn-chat.ts" lineNumbers
+```ts title="hooks/use-multi-turn-chat.ts" lineNumbers
 "use client";
 
 import type { UIMessage } from "ai";
@@ -324,7 +324,7 @@ The multi-turn pattern also easily enables multi-player chat sessions. New messa
 
 Internal system events like scheduled tasks, background jobs, or database triggers can inject updates into an active conversation.
 
-```typescript title="app/api/internal/flight-update/route.ts" lineNumbers
+```ts title="app/api/internal/flight-update/route.ts" lineNumbers
 import { chatMessageHook } from "@/workflows/chat/hooks/chat-message";
 
 // Called by your flight status monitoring system
@@ -345,7 +345,7 @@ export async function POST(req: Request) {
 
 External webhooks from third-party services (Stripe, Twilio, etc.) can notify the conversation of events.
 
-```typescript title="app/api/webhooks/payment/route.ts" lineNumbers
+```ts title="app/api/webhooks/payment/route.ts" lineNumbers
 import { chatMessageHook } from "@/workflows/chat/hooks/chat-message";
 
 export async function POST(req: Request) {
@@ -367,7 +367,7 @@ export async function POST(req: Request) {
 
 Multiple human users can participate in the same conversation. Each user's client connects to the same workflow stream.
 
-```typescript title="app/api/chat/[id]/route.ts" lineNumbers
+```ts title="app/api/chat/[id]/route.ts" lineNumbers
 import { chatMessageHook } from "@/workflows/chat/hooks/chat-message";
 import { getUser } from "@/lib/auth";
 

docs/content/docs/ai/defining-tools.mdx

@@ -12,7 +12,7 @@ Just like in regular AI SDK tool definitions, tool in DurableAgent are called wi
 
 When you tool needs access to the full message history, you can access it via the `messages` property of the tool call context:
 
-```typescript title="tools.ts" lineNumbers
+```ts title="tools.ts" lineNumbers
 async function getWeather(
   { city }: { city: string },
   { messages, toolCallId }: { messages: LanguageModelV2Prompt, toolCallId: string }) { // [!code highlight]
@@ -27,7 +27,7 @@ As discussed in [Streaming Updates from Tools](/docs/ai/streaming-updates-from-t
 
 This can be made generic, by creating a helper step function to write arbitrary data to the stream:
 
-```typescript title="tools.ts" lineNumbers
+```ts title="tools.ts" lineNumbers
 import { getWritable } from "workflow";
 
 async function writeToStream(data: any) {
@@ -54,7 +54,7 @@ Tools can be implemented either at the step level or the workflow level, with di
 
 Tools can also combine both by starting out on the workflow level, and calling into steps for I/O operations, like so:
 
-```typescript title="tools.ts" lineNumbers
+```ts title="tools.ts" lineNumbers
 // Step: handles I/O with retries
 async function performFetch(url: string) {
   "use step";

docs/content/docs/ai/human-in-the-loop.mdx

@@ -48,7 +48,7 @@ Add a tool that allows the agent to deliberately pause execution until a human a
 
 Create a typed hook with a Zod schema for validation:
 
-```typescript title="workflow/steps/tools.ts" lineNumbers
+```ts title="workflow/steps/tools.ts" lineNumbers
 import { defineHook } from "workflow";
 import { z } from "zod";
 // ... existing imports ...
@@ -71,7 +71,7 @@ export const bookingApprovalHook = defineHook({
 
 Create a tool that creates a hook instance using the tool call ID as the token. The UI will use this ID to submit the approval.
 
-```typescript title="workflows/chat/steps/tools.ts" lineNumbers
+```ts title="workflows/chat/steps/tools.ts" lineNumbers
 import { z } from "zod";
 
 // ...
@@ -122,7 +122,7 @@ Note that the `defineHook().create()` function must be called from within a work
 
 Create a new API endpoint that the UI will call to submit the approval decision:
 
-```typescript title="app/api/approve-booking/route.ts" lineNumbers
+```ts title="app/api/approve-booking/route.ts" lineNumbers
 import { bookingApprovalHook } from "@/workflow/steps/tools";
 
 export async function POST(request: Request) {
@@ -147,7 +147,7 @@ export async function POST(request: Request) {
 
 Build a new component that reacts to the tool call data, and allows the user to approve or reject the booking:
 
-```typescript title="components/booking-approval.tsx" lineNumbers
+```ts title="components/booking-approval.tsx" lineNumbers
 "use client";
 
 import { useState } from "react";
@@ -236,7 +236,7 @@ export function BookingApproval({ toolCallId, input, output }: BookingApprovalPr
 
 Use the component we just created to render the tool call and approval controls in your chat interface:
 
-```typescript title="app/page.tsx" lineNumbers
+```ts title="app/page.tsx" lineNumbers
 // ... existing imports ...
 import { BookingApproval } from "@/components/booking-approval";
 
@@ -313,7 +313,7 @@ export default function ChatPage() {
 
 For simpler cases where you don't need type-safe validation or programmatic resumption, you can use [`createWebhook()`](/docs/api-reference/workflow/create-webhook) directly. This generates a unique URL that can be called to resume the workflow:
 
-```typescript title="workflows/chat/steps/tools.ts" lineNumbers
+```ts title="workflows/chat/steps/tools.ts" lineNumbers
 import { createWebhook } from "workflow";
 import { z } from "zod";