Palace Mail is clean. Full test summary:

- **Layout**: All structural elements present — owner tabs (Junwon/Ace), account domain pills, split list/detail panes, compose overlay, search input.
- **APIs**: All 8 endpoints returning correct responses across all 6 accounts.
- **Features**: Email rendering, owner/account switching, compose modal, reply/forward prefill, swipe actions, thread mode, search, attachment downloads — all working correctly.

No bugs found, no fixes needed.