fix: chat session cannot delete (#14312)

fix #14309



#### PR Dependency Tree


* **PR #14312** 👈

This tree was auto-generated by
[Charcoal](https://github.com/danerwilliams/charcoal)

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

* **New Features**
* Added AI chat session deletion with confirmation dialogs and
success/failure notifications.
* Localized AI chat panel labels, loading messages, and session
management text across multiple languages.

* **Documentation**
* Added internationalization support for chat panel titles, history
loading states, and deletion confirmations.

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settings.</sub>

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packages/frontend/core/src/blocksuite/ai/components/ai-chat-toolbar/configure-ai-chat-toolbar.ts

@@ -0,0 +1,44 @@
+import type { CopilotChatHistoryFragment } from '@affine/graphql';
+import type { NotificationService } from '@blocksuite/affine/shared/services';
+
+import type { DocDisplayConfig } from '../ai-chat-chips';
+import type { ChatStatus } from '../ai-chat-messages';
+import { AIChatToolbar } from './ai-chat-toolbar';
+
+export type ConfigureAIChatToolbarOptions = {
+  session: CopilotChatHistoryFragment | null | undefined;
+  workspaceId: string;
+  docId?: string;
+  status: ChatStatus;
+  docDisplayConfig: DocDisplayConfig;
+  notificationService: NotificationService;
+  onNewSession: () => void;
+  onTogglePin: () => Promise<void>;
+  onOpenSession: (sessionId: string) => void;
+  onOpenDoc: (docId: string, sessionId: string) => void;
+  onSessionDelete: (session: BlockSuitePresets.AIRecentSession) => void;
+};
+
+export function getOrCreateAIChatToolbar(
+  current: AIChatToolbar | null | undefined
+): AIChatToolbar {
+  return current ?? new AIChatToolbar();
+}
+
+export function configureAIChatToolbar(
+  tool: AIChatToolbar,
+  options: ConfigureAIChatToolbarOptions
+): AIChatToolbar {
+  tool.session = options.session;
+  tool.workspaceId = options.workspaceId;
+  tool.docId = options.docId;
+  tool.status = options.status;
+  tool.docDisplayConfig = options.docDisplayConfig;
+  tool.notificationService = options.notificationService;
+  tool.onNewSession = options.onNewSession;
+  tool.onTogglePin = options.onTogglePin;
+  tool.onOpenSession = options.onOpenSession;
+  tool.onOpenDoc = options.onOpenDoc;
+  tool.onSessionDelete = options.onSessionDelete;
+  return tool;
+}

packages/frontend/core/src/blocksuite/ai/components/ai-chat-toolbar/index.ts

@@ -1,2 +1,3 @@
 export * from './ai-chat-toolbar';
 export * from './ai-session-history';
+export * from './configure-ai-chat-toolbar';