feat(core): provide document title, tags, createTime and updateTime to llm (#11205)

Close [BS-2915](https://linear.app/affine-design/issue/BS-2915).

packages/backend/server/src/plugins/copilot/prompt/prompts.ts

@@ -1045,6 +1045,10 @@ The following content is a relevant content segment:
 ==========
 - type: document
 - document_id: {{docId}}
+- document_title: {{docTitle}}
+- document_tags: {{tags}}
+- document_create_date: {{createDate}}
+- document_updated_date: {{updatedDate}}
 - document_content:
 {{docContent}}
 ==========

packages/frontend/core/src/blocksuite/ai/chat-panel/chat-config.ts

@@ -6,7 +6,7 @@ import type {
 } from '@affine/core/modules/search-menu/services';
 import type { Collection } from '@affine/env/filter';
 import type { LinkedMenuGroup } from '@blocksuite/affine/blocks/root';
-import type { Store } from '@blocksuite/affine/store';
+import type { DocMeta, Store } from '@blocksuite/affine/store';
 import type { Signal } from '@preact/signals-core';
 
 export interface AppSidebarConfig {
@@ -33,6 +33,7 @@ export interface DocDisplayConfig {
     signal: Signal<string>;
     cleanup: () => void;
   };
+  getDocMeta: (docId: string) => Partial<DocMeta> | null;
   getDoc: (docId: string) => Store | null;
   getReferenceDocs: (docIds: string[]) => {
     signal: Signal<
@@ -47,6 +48,7 @@ export interface DocDisplayConfig {
     signal: Signal<TagMeta[]>;
     cleanup: () => void;
   };
+  getTagTitle: (tagId: string) => string;
   getTagPageIds: (tagId: string) => string[];
   getCollections: () => {
     signal: Signal<Collection[]>;

packages/frontend/core/src/blocksuite/ai/chat-panel/chat-context.ts

@@ -36,7 +36,11 @@ export type ChatStatus =
 
 export interface DocContext {
   docId: string;
+  docTitle: string;
   docContent: string;
+  tags: string;
+  createDate: string;
+  updatedDate: string;
 }
 
 export interface FileContext {

packages/frontend/core/src/blocksuite/ai/chat-panel/chat-panel-input.ts

@@ -18,7 +18,7 @@ import type { AIError } from '../components/ai-item/types';
 import { AIProvider } from '../provider';
 import { reportResponse } from '../utils/action-reporter';
 import { readBlobAsURL } from '../utils/image';
-import type { AINetworkSearchConfig } from './chat-config';
+import type { AINetworkSearchConfig, DocDisplayConfig } from './chat-config';
 import type {
   ChatContextValue,
   ChatMessage,
@@ -217,6 +217,9 @@ export class ChatPanelInput extends SignalWatcher(WithDisposable(LitElement)) {
   @property({ attribute: false })
   accessor networkSearchConfig!: AINetworkSearchConfig;
 
+  @property({ attribute: false })
+  accessor docDisplayConfig!: DocDisplayConfig;
+
   private get _isNetworkActive() {
     return (
       !!this.networkSearchConfig.visible.value &&
@@ -561,7 +564,10 @@ export class ChatPanelInput extends SignalWatcher(WithDisposable(LitElement)) {
       return { files: [], docs: [] };
     }
 
-    const docContexts = new Map<string, DocContext>();
+    const docContexts = new Map<
+      string,
+      { docId: string; docContent: string }
+    >();
     const fileContexts = new Map<string, FileContext>();
 
     const { files: matchedFiles = [], docs: matchedDocs = [] } =
@@ -602,8 +608,30 @@ export class ChatPanelInput extends SignalWatcher(WithDisposable(LitElement)) {
       }
     });
 
+    const docs: DocContext[] = Array.from(docContexts.values()).map(doc => {
+      const docMeta = this.docDisplayConfig.getDocMeta(doc.docId);
+      const docTitle = this.docDisplayConfig.getTitle(doc.docId);
+      const tags = docMeta?.tags
+        ? docMeta.tags
+            .map(tagId => this.docDisplayConfig.getTagTitle(tagId))
+            .join(',')
+        : '';
+      return {
+        docId: doc.docId,
+        docContent: doc.docContent,
+        docTitle,
+        tags,
+        createDate: docMeta?.createDate
+          ? new Date(docMeta.createDate).toISOString()
+          : '',
+        updatedDate: docMeta?.updatedDate
+          ? new Date(docMeta.updatedDate).toISOString()
+          : '',
+      };
+    });
+
     return {
-      docs: Array.from(docContexts.values()),
+      docs,
       files: Array.from(fileContexts.values()),
     };
   }

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

@@ -629,6 +629,7 @@ export class ChatPanel extends SignalWatcher(
         .getSessionId=${this._getSessionId}
         .getContextId=${this._getContextId}
         .networkSearchConfig=${this.networkSearchConfig}
+        .docDisplayConfig=${this.docDisplayConfig}
         .updateContext=${this.updateContext}
         .host=${this.host}
         .cleanupHistories=${this._cleanupHistories}

packages/frontend/core/src/desktop/pages/workspace/detail-page/tabs/chat.tsx

@@ -3,6 +3,7 @@ import type { AffineEditorContainer } from '@affine/core/blocksuite/block-suite-
 import { enableFootnoteConfigExtension } from '@affine/core/blocksuite/extensions';
 import { AINetworkSearchService } from '@affine/core/modules/ai-button/services/network-search';
 import { CollectionService } from '@affine/core/modules/collection';
+import { DocsService } from '@affine/core/modules/doc';
 import { DocDisplayMetaService } from '@affine/core/modules/doc-display-meta';
 import { DocsSearchService } from '@affine/core/modules/docs-search';
 import { SearchMenuService } from '@affine/core/modules/search-menu/services';
@@ -66,6 +67,8 @@ export const EditorChatPanel = forwardRef(function EditorChatPanel(
       const docsSearchService = framework.get(DocsSearchService);
       const tagService = framework.get(TagService);
       const collectionService = framework.get(CollectionService);
+      const docsService = framework.get(DocsService);
+
       chatPanelRef.current.appSidebarConfig = {
         getWidth: () => {
           const width$ = workbench.sidebarWidth$;
@@ -94,6 +97,10 @@ export const EditorChatPanel = forwardRef(function EditorChatPanel(
           const title$ = docDisplayMetaService.title$(docId);
           return createSignalFromObservable(title$, '');
         },
+        getDocMeta: (docId: string) => {
+          const docRecord = docsService.list.doc$(docId).value;
+          return docRecord?.meta$.value ?? null;
+        },
         getDoc: (docId: string) => {
           const doc = workspaceService.workspace.docCollection.getDoc(docId);
           return doc?.getStore() ?? null;
@@ -106,6 +113,10 @@ export const EditorChatPanel = forwardRef(function EditorChatPanel(
           const tagMetas$ = tagService.tagList.tagMetas$;
           return createSignalFromObservable(tagMetas$, []);
         },
+        getTagTitle: (tagId: string) => {
+          const tag$ = tagService.tagList.tagByTagId$(tagId);
+          return tag$.value?.value$.value ?? '';
+        },
         getTagPageIds: (tagId: string) => {
           const tag$ = tagService.tagList.tagByTagId$(tagId);
           if (!tag$) return [];