修复合并后异步界面测试超时

活动精选图片换签断言使用局部有界等待

等待 manifest 失效监听注册后再验证实时重投影

补充异步测试超时与监听时序的项目记忆

src/components/creation-home/CreationLandingView.test.tsx

@@ -994,9 +994,11 @@ describe('CreationLandingView', () => {
       'creation-landing__asset-preview--campaign',
     );
     expect(campaignPreview?.style.aspectRatio).toBe('900 / 1200');
-    const campaignImage = await screen.findByRole('img', {
-      name: '活动精选',
-    });
+    const campaignImage = await screen.findByRole(
+      'img',
+      { name: '活动精选' },
+      { timeout: 5_000 },
+    );
     expect((campaignImage as HTMLImageElement).src).toBe(signedCampaignUrl);
     expect(fetchMock).toHaveBeenCalledWith(
       `/api/assets/read-url?objectKey=${encodeURIComponent(campaignObjectKey)}`,