- Can sign in
- Can sign out
- Feed loads
- Profile opens
- Search returns users and posts
- Text post works
- Image post works
- Video post works
- Reply works
- Delete own post works
- Post detail opens from feed
- Reply detail opens from feed
- Back navigation behaves correctly
- Chat view opens
- Can send message
- New messages appear reliably
- Notification appears when app is open
- Notification appears when app is backgrounded
- Notification appears when app is closed
- Notification opens correct destination
- No clipped buttons or overlapping text
- No blank background-only screens
- Scrolling remains smooth
- Report submitted if any item failed