refactor: rename ChatAgent → Agent across the contract surface (#137)

* docs: ChatAgent → Agent rename design

Scope: contract types strip prefix (Agent, AgentWithHistory). Data
types go bare (Message, Role, ToolCall, ContentBlock, Subagent).
Collision-prone types prefix with Agent (AgentCustomEvent,
AgentInterrupt, AgentStatus, AgentSubmit*, AgentCheckpoint).
No backwards-compat aliases, no structural changes.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

* docs: ChatAgent → Agent rename implementation plan

8 tasks: rename agent/ files, testing/ files, exports, primitives +
compositions, langgraph adapter file, cockpit consumers, then verify.
git mv preserves history; ordered find/replace avoids partial matches.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

* refactor(chat): rename ChatAgent → Agent and paired types

- Strip Chat prefix from contract types (Agent, AgentWithHistory)
- Strip Chat prefix from data types (Message, Role, ToolCall, ContentBlock, Subagent)
- Prefix Agent on collision-prone types (AgentStatus, AgentInterrupt, AgentCustomEvent, AgentSubmit*, AgentCheckpoint)
- Rename mockChatAgent → mockAgent, conformance helpers analogously
- File renames via git mv preserve history

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

* refactor(langgraph): rename toChatAgent → toAgent

Adapter function renamed to match Agent rename in @cacheplane/chat.
ChatAgent → Agent, ChatAgentWithHistory → AgentWithHistory in return
type and translation helpers.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

* refactor(cockpit): adopt Agent rename across demos

Updates imports of toChatAgent → toAgent and any direct Type
references (ChatAgent, ChatMessage, etc.) to the new bare/Agent-
prefixed names. Component class imports (ChatMessagesComponent etc.)
are unchanged.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

* docs(chat): update README to reference Agent contract

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.7 <noreply@anthropic.com>

Author: blove

cockpit/chat/a2ui/angular/src/app/a2ui.component.ts

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: PolyForm-Noncommercial-1.0.0
 import { Component } from '@angular/core';
 import { ChatComponent, a2uiBasicCatalog } from '@cacheplane/chat';
-import { agent, toChatAgent } from '@cacheplane/langgraph';
+import { agent, toAgent } from '@cacheplane/langgraph';
 import { environment } from '../environments/environment';
 
 @Component({
@@ -15,6 +15,6 @@ export class A2uiComponent {
     apiUrl: environment.langGraphApiUrl,
     assistantId: environment.a2uiAssistantId,
   });
-  protected readonly chatAgent = toChatAgent(this.agentRef);
+  protected readonly chatAgent = toAgent(this.agentRef);
   protected readonly catalog = a2uiBasicCatalog();
 }

cockpit/chat/debug/angular/src/app/debug.component.ts

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: PolyForm-Noncommercial-1.0.0
 import { Component } from '@angular/core';
 import { ChatDebugComponent } from '@cacheplane/chat';
-import { agent, toChatAgent } from '@cacheplane/langgraph';
+import { agent, toAgent } from '@cacheplane/langgraph';
 import { ExampleChatLayoutComponent } from '@cacheplane/example-layouts';
 import { environment } from '../environments/environment';
 
@@ -25,5 +25,5 @@ export class DebugPageComponent {
     apiUrl: environment.langGraphApiUrl,
     assistantId: environment.streamingAssistantId,
   });
-  protected readonly chatAgent = toChatAgent(this.stream);
+  protected readonly chatAgent = toAgent(this.stream);
 }

cockpit/chat/generative-ui/angular/src/app/generative-ui.component.ts

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: PolyForm-Noncommercial-1.0.0
 import { Component } from '@angular/core';
 import { ChatComponent, views } from '@cacheplane/chat';
-import { agent, toChatAgent } from '@cacheplane/langgraph';
+import { agent, toAgent } from '@cacheplane/langgraph';
 import { ExampleChatLayoutComponent } from '@cacheplane/example-layouts';
 import { environment } from '../environments/environment';
 
@@ -36,6 +36,6 @@ export class GenerativeUiComponent {
     apiUrl: environment.langGraphApiUrl,
     assistantId: environment.generativeUiAssistantId,
   });
-  protected readonly chatAgent = toChatAgent(this.agentRef);
+  protected readonly chatAgent = toAgent(this.agentRef);
   protected readonly dashboardViews = dashboardViews;
 }

cockpit/chat/input/angular/src/app/input.component.ts

@@ -3,7 +3,7 @@ import { Component, computed } from '@angular/core';
 import { ChatInputComponent as ChatInputPrimitive } from '@cacheplane/chat';
 import { ChatMessagesComponent } from '@cacheplane/chat';
 import { ExampleChatLayoutComponent } from '@cacheplane/example-layouts';
-import { agent, toChatAgent } from '@cacheplane/langgraph';
+import { agent, toAgent } from '@cacheplane/langgraph';
 import { environment } from '../environments/environment';
 
 /**
@@ -56,7 +56,7 @@ export class InputComponent {
     apiUrl: environment.langGraphApiUrl,
     assistantId: environment.streamingAssistantId,
   });
-  protected readonly chatAgent = toChatAgent(this.stream);
+  protected readonly chatAgent = toAgent(this.stream);
 
   protected readonly streamStatus = computed(() => this.stream.status());
   protected readonly isLoading = computed(() => this.stream.isLoading());

cockpit/chat/interrupts/angular/src/app/interrupts.component.ts

@@ -3,7 +3,7 @@ import { Component, computed } from '@angular/core';
 import { JsonPipe } from '@angular/common';
 import { ChatComponent, ChatInterruptPanelComponent } from '@cacheplane/chat';
 import { ExampleChatLayoutComponent } from '@cacheplane/example-layouts';
-import { agent, toChatAgent } from '@cacheplane/langgraph';
+import { agent, toAgent } from '@cacheplane/langgraph';
 import { environment } from '../environments/environment';
 
 /**
@@ -37,7 +37,7 @@ export class InterruptsComponent {
     apiUrl: environment.langGraphApiUrl,
     assistantId: environment.streamingAssistantId,
   });
-  protected readonly chatAgent = toChatAgent(this.stream);
+  protected readonly chatAgent = toAgent(this.stream);
 
   protected readonly streamStatus = computed(() => this.stream.status());
 }

cockpit/chat/messages/angular/src/app/messages.component.ts

@@ -6,7 +6,7 @@ import {
   ChatTypingIndicatorComponent,
 } from '@cacheplane/chat';
 import { ExampleChatLayoutComponent } from '@cacheplane/example-layouts';
-import { agent, toChatAgent } from '@cacheplane/langgraph';
+import { agent, toAgent } from '@cacheplane/langgraph';
 import { environment } from '../environments/environment';
 
 /**
@@ -51,7 +51,7 @@ export class MessagesComponent {
     apiUrl: environment.langGraphApiUrl,
     assistantId: environment.streamingAssistantId,
   });
-  protected readonly chatAgent = toChatAgent(this.stream);
+  protected readonly chatAgent = toAgent(this.stream);
 
   submitMessage(content: string) {
     this.chatAgent.submit({ message: content });

cockpit/chat/subagents/angular/src/app/subagents.component.ts

@@ -6,7 +6,7 @@ import {
   ChatSubagentCardComponent,
 } from '@cacheplane/chat';
 import { ExampleChatLayoutComponent } from '@cacheplane/example-layouts';
-import { agent, toChatAgent } from '@cacheplane/langgraph';
+import { agent, toAgent } from '@cacheplane/langgraph';
 import { environment } from '../environments/environment';
 
 /**
@@ -44,5 +44,5 @@ export class SubagentsComponent {
     apiUrl: environment.langGraphApiUrl,
     assistantId: environment.streamingAssistantId,
   });
-  protected readonly chatAgent = toChatAgent(this.stream);
+  protected readonly chatAgent = toAgent(this.stream);
 }

cockpit/chat/theming/angular/src/app/theming.component.ts

@@ -3,7 +3,7 @@ import { Component, signal } from '@angular/core';
 import { TitleCasePipe } from '@angular/common';
 import { ChatComponent } from '@cacheplane/chat';
 import { ExampleChatLayoutComponent } from '@cacheplane/example-layouts';
-import { agent, toChatAgent } from '@cacheplane/langgraph';
+import { agent, toAgent } from '@cacheplane/langgraph';
 import { environment } from '../environments/environment';
 
 const THEMES: Record<string, Record<string, string>> = {
@@ -88,7 +88,7 @@ export class ThemingComponent {
     apiUrl: environment.langGraphApiUrl,
     assistantId: environment.streamingAssistantId,
   });
-  protected readonly chatAgent = toChatAgent(this.stream);
+  protected readonly chatAgent = toAgent(this.stream);
 
   protected readonly themeNames = Object.keys(THEMES);
   protected readonly activeTheme = signal('dark');

cockpit/chat/threads/angular/src/app/threads.component.ts

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: PolyForm-Noncommercial-1.0.0
 import { Component, signal } from '@angular/core';
 import { ChatComponent, ChatThreadListComponent, type Thread } from '@cacheplane/chat';
-import { agent, toChatAgent } from '@cacheplane/langgraph';
+import { agent, toAgent } from '@cacheplane/langgraph';
 import { ExampleChatLayoutComponent } from '@cacheplane/example-layouts';
 import { environment } from '../environments/environment';
 
@@ -33,7 +33,7 @@ export class ThreadsComponent {
     apiUrl: environment.langGraphApiUrl,
     assistantId: environment.streamingAssistantId,
   });
-  protected readonly chatAgent = toChatAgent(this.stream);
+  protected readonly chatAgent = toAgent(this.stream);
 
   protected readonly threads = signal<Thread[]>([
     { id: 'thread-1', title: 'First Conversation' },

cockpit/chat/timeline/angular/src/app/timeline.component.ts

@@ -2,7 +2,7 @@
 import { Component } from '@angular/core';
 import { ChatComponent, ChatTimelineSliderComponent } from '@cacheplane/chat';
 import { ExampleChatLayoutComponent } from '@cacheplane/example-layouts';
-import { agent, toChatAgent } from '@cacheplane/langgraph';
+import { agent, toAgent } from '@cacheplane/langgraph';
 import { environment } from '../environments/environment';
 
 /**
@@ -38,5 +38,5 @@ export class TimelineComponent {
     apiUrl: environment.langGraphApiUrl,
     assistantId: environment.streamingAssistantId,
   });
-  protected readonly chatAgent = toChatAgent(this.stream);
+  protected readonly chatAgent = toAgent(this.stream);
 }