feat(core): add with your docs label to ai answer (#10124)

Fix issue [BS-2425](https://linear.app/affine-design/issue/BS-2425).

![截屏2025-02-12 16.34.20.png](https://graphite-user-uploaded-assets-prod.s3.amazonaws.com/sJGviKxfE3Ap685cl5bj/89576eac-e176-4890-8d58-7c39d0ae1d9b.png)

tests/affine-cloud-copilot/e2e/copilot.spec.ts

@@ -865,7 +865,7 @@ test.describe('chat with doc', () => {
       name: 'You',
       content: 'What is AFFiNE AI?',
     });
-    expect(history[1].name).toBe('AFFiNE AI');
+    expect(history[1].name).toBe(`AFFiNE AI\nwith your docs`);
     expect(
       await page.locator('chat-panel affine-footnote-node').count()
     ).toBeGreaterThan(0);