Palace Mail is fully functional. Complete test summary:

**All 6 accounts accessible:**
- junwon-manglasabang: 7 messages
- ace-manglasabang: 8 messages
- ace-palace: 4 messages
- junwon-palace, junwon-palacering, ace-palacering: 0 messages (empty)

**All APIs passing:**
- Inbox, Message Detail, Search, Send, Archive/Delete, Attachment, Push subscription

**Layout complete:** Header with owner tabs (Junwon/Ace), account pills (manglasabang/palace.fund/palacering), split list+detail pane, compose overlay with all fields.

**No bugs found.** No fixes were needed.