fix: provide user info for copilot (#6606)

packages/frontend/core/src/modules/cloud/services/auth.ts

@@ -1,5 +1,6 @@
 import { apis } from '@affine/electron-api';
 import type { OAuthProviderType } from '@affine/graphql';
+import { AIProvider } from '@blocksuite/presets';
 import {
   ApplicationFocused,
   ApplicationStarted,
@@ -34,6 +35,17 @@ export class AuthService extends Service {
   ) {
     super();
 
+    AIProvider.provide('userInfo', () => {
+      const account = this.session.account$.value;
+      if (!account) return null;
+      return {
+        avatarUrl: account.avatar ?? '',
+        email: account.email ?? '',
+        id: account.id,
+        name: account.label,
+      };
+    });
+
     this.session.account$
       .pipe(
         map(a => ({