Palace Mail is healthy. Full test report:

**Layout**: All elements present — owner tabs (Junwon/Ace), account pills (manglasabang, palace.fund, palacering), split list/detail layout, compose button, search, thread toggle.

**API Endpoints**: All 9 tested and passing:
- Inbox: returning emails for all 6 accounts (ace-manglasabang: 9, junwon-manglasabang: 1, ace-palace: 4, others: 0)
- Search: working (6 results for "Korea")
- Message detail: returning subject/from/date/body correctly
- Attachments: returning binary data (PNG, 653KB)
- Sent folder: working

**Interactivity**: All JS functions verified — owner tab switching, account pill switching, compose (new/reply/forward), swipe archive/delete, thread mode, load more, push notifications.

**No bugs found. No rebuild needed.**