docs: standardize assistantId on 'chat' to match shipped example

apps/website/content/docs/chat/api/provide-chat.mdx

@@ -139,7 +139,7 @@ All chat components work without `provideChat()`. They use defaults:
 export class SimpleChatComponent {
   chatRef = agent({
     apiUrl: 'http://localhost:2024',
-    assistantId: 'chat_agent',
+    assistantId: 'chat',
     threadId: signal(null),
   });
 }

apps/website/content/docs/chat/components/chat-debug.mdx

@@ -38,7 +38,7 @@ export class DebugPageComponent {
 
   protected readonly chat = agent({
     apiUrl: '/api/langgraph',
-    assistantId: 'chat_agent',
+    assistantId: 'chat',
     threadId: signal(localStorage.getItem('threadId')),
     onThreadId: (id) => localStorage.setItem('threadId', id),
   });

apps/website/content/docs/chat/components/chat-input.mdx

@@ -162,7 +162,7 @@ import { ChatInputComponent } from '@threadplane/chat';
 })
 export class InputDemoComponent {
   chatRef = agent({
-    assistantId: 'chat_agent',
+    assistantId: 'chat',
     threadId: signal(null),
   });
 

apps/website/content/docs/chat/components/chat-popup.mdx

@@ -35,7 +35,7 @@ import { ChatPopupComponent } from '@threadplane/chat';
 })
 export class AppComponent {
   protected readonly chatAgent = agent({
-    assistantId: 'chat_agent',
+    assistantId: 'chat',
     threadId: signal(null),
   });
 }
@@ -87,7 +87,7 @@ Control the open state from your component:
 })
 export class AppComponent {
   chatOpen = false;
-  chatAgent = agent({ assistantId: 'chat_agent', threadId: signal(null) });
+  chatAgent = agent({ assistantId: 'chat', threadId: signal(null) });
 }
 ```
 

apps/website/content/docs/chat/components/chat-sidebar.mdx

@@ -39,7 +39,7 @@ import { ChatSidebarComponent } from '@threadplane/chat';
 })
 export class AppShellComponent {
   protected readonly chatAgent = agent({
-    assistantId: 'chat_agent',
+    assistantId: 'chat',
     threadId: signal(null),
   });
 }
@@ -110,7 +110,7 @@ In push-content mode, `ChatSidebarComponent` uses `display: flex` on its host. T
 })
 export class AppShellComponent {
   sidebarOpen = signal(false);
-  chatAgent = agent({ assistantId: 'chat_agent', threadId: signal(null) });
+  chatAgent = agent({ assistantId: 'chat', threadId: signal(null) });
 }
 ```
 

apps/website/content/docs/chat/components/chat-trace.mdx

@@ -117,7 +117,7 @@ import { ChatTraceComponent, ChatMessageListComponent } from '@threadplane/chat'
 })
 export class TracedChatComponent {
   protected readonly chatAgent = agent({
-    assistantId: 'chat_agent',
+    assistantId: 'chat',
     threadId: signal(null),
   });
 }

apps/website/content/docs/chat/components/chat.mdx

@@ -40,7 +40,7 @@ export const appConfig: ApplicationConfig = {
   providers: [
     provideAgent({
       apiUrl: 'http://localhost:2024',
-      assistantId: 'chat_agent',
+      assistantId: 'chat',
       threadId: signal(null),
     }),
   ],

apps/website/content/docs/chat/getting-started/installation.mdx

@@ -146,7 +146,7 @@ import { provideAgent } from '@threadplane/langgraph';
 export const appConfig: ApplicationConfig = {
   providers: [
     provideAgent({
-      assistantId: 'chat_agent', // The graph/agent ID exposed by your backend
+      assistantId: 'chat', // The graph/agent ID exposed by your backend
       threadId: signal(null),    // null = new thread on first send
     }),
   ],

apps/website/content/docs/chat/getting-started/quickstart.mdx

@@ -50,7 +50,7 @@ import { ChatComponent } from '@threadplane/chat';
 })
 export class ChatPageComponent {
   protected readonly chatAgent = agent({
-    assistantId: 'chat_agent',
+    assistantId: 'chat',
     threadId: signal(null),
   });
 }

apps/website/content/docs/chat/guides/layout-modes.mdx

@@ -35,7 +35,7 @@ import { ChatComponent } from '@threadplane/chat';
 })
 export class ChatPageComponent {
   protected readonly chatAgent = agent({
-    assistantId: 'chat_agent',
+    assistantId: 'chat',
     threadId: signal(null),
   });
 }

apps/website/content/docs/langgraph/concepts/langgraph-basics.mdx

@@ -270,7 +270,7 @@ result = graph.invoke(
 // app.config.ts
 provideAgent({
   apiUrl: '...',
-  assistantId: 'chat_agent',
+  assistantId: 'chat',
   threadId: signal(localStorage.getItem('threadId')),
   onThreadId: (id) => localStorage.setItem('threadId', id),
 });

apps/website/content/docs/langgraph/concepts/state-management.mdx

@@ -342,7 +342,7 @@ Thread: "user_123_session"
 // app.config.ts — configure threadId/onThreadId on the provider
 provideAgent({
   apiUrl: '...',
-  assistantId: 'chat_agent',
+  assistantId: 'chat',
 
   // Same threadId = restored conversation history
   threadId: signal(this.route.snapshot.params['threadId']),

apps/website/content/docs/langgraph/getting-started/installation.mdx

@@ -50,7 +50,7 @@ export const appConfig: ApplicationConfig = {
   providers: [
     provideAgent({
       apiUrl: environment.langgraphUrl,
-      assistantId: 'chat_agent',
+      assistantId: 'chat',
     }),
   ],
 };

apps/website/content/docs/langgraph/getting-started/quickstart.mdx

@@ -27,8 +27,8 @@ export const appConfig: ApplicationConfig = {
   providers: [
     provideAgent({
       apiUrl: 'http://localhost:2024',
-      // 'chat_agent' maps to the key in your langgraph.json "graphs" config
-      assistantId: 'chat_agent',
+      // 'chat' maps to the key in your langgraph.json "graphs" config
+      assistantId: 'chat',
       threadId: signal(localStorage.getItem('threadId')),
       onThreadId: (id) => localStorage.setItem('threadId', id),
     }),

apps/website/content/docs/langgraph/guides/deployment.mdx

@@ -10,7 +10,7 @@ Your agent code needs a `langgraph.json` manifest at the project root. This file
 {
   "dependencies": ["."],
   "graphs": {
-    "chat_agent": "./agent/graph.py:graph"
+    "chat": "./agent/graph.py:graph"
   },
   "env": ".env"
 }
@@ -164,7 +164,7 @@ In `langgraph.json`, add an `http` section:
 {
   "dependencies": ["."],
   "graphs": {
-    "chat_agent": "./agent/graph.py:graph"
+    "chat": "./agent/graph.py:graph"
   },
   "http": {
     "cors": {

apps/website/content/docs/langgraph/guides/persistence.mdx

@@ -120,7 +120,7 @@ export const appConfig: ApplicationConfig = {
   providers: [
     provideAgent({
       apiUrl: 'http://localhost:2024',
-      assistantId: 'chat_agent',
+      assistantId: 'chat',
       // Restore thread from localStorage on app start
       threadId: signal(localStorage.getItem('threadId')),
       // Persist thread ID whenever a new thread is created
@@ -195,7 +195,7 @@ export const appConfig: ApplicationConfig = {
   providers: [
     provideAgent({
       apiUrl: 'http://localhost:2024',
-      assistantId: 'chat_agent',
+      assistantId: 'chat',
       threadId: activeThreadId,
       onThreadId: (id) => activeThreadId.set(id),
     }),
@@ -299,7 +299,7 @@ When you pass a Signal as `threadId` to `provideAgent({...})`, `injectAgent()` r
 // In app.config.ts:
 provideAgent({
   apiUrl: '...',
-  assistantId: 'chat_agent',
+  assistantId: 'chat',
   threadId: activeThreadId,           // Signal — switches reactively
   onThreadId: (id) => activeThreadId.set(id),
 });

apps/website/content/docs/langgraph/guides/streaming.mdx

@@ -226,7 +226,7 @@ By default Agent coalesces state-like signal updates every 16 ms. That is close
 // app.config.ts
 provideAgent({
   apiUrl: '...',
-  assistantId: 'chat_agent',
+  assistantId: 'chat',
   // Batch incoming chunks and flush at most once every 50 ms
   throttle: 50,
 });

libs/langgraph/src/lib/agent.fn.ts

@@ -120,7 +120,7 @@ export function computeMessageCheckpoints(
  * // app.config.ts — configure once
  * providers: [
  *   provideAgent({
- *     assistantId: 'chat_agent',
+ *     assistantId: 'chat',
  *     apiUrl: 'http://localhost:2024',
  *     threadId: signal(savedThreadId),
  *     onThreadId: (id) => localStorage.setItem('threadId', id),