Palace Mail is fully healthy. Complete test summary:

**All 6 accounts responding** — `junwon-manglasabang`, `junwon-palace`, `junwon-palacering`, `ace-manglasabang`, `ace-palace`, `ace-palacering`

**Verified working:**
- Layout: header, owner tabs, account pills, split pane, email list rows, compose button
- Inbox API: all 6 accounts return HTTP 200 with correct message counts
- Sent folder: all accounts working
- Message detail: fetch returns subject/from/to/date/body correctly
- Search: query results return properly
- Attachments: download endpoint working
- Error handling: invalid account → 400, missing UID → correct error response
- Compose modal: opens with To/Subject/Body/From dropdown
- Reply: pre-fills To and "Re:" subject
- Owner tab switch: reloads inbox correctly
- Swipe-to-archive and swipe-to-delete implemented
- No console errors, balanced JS, all DOM references valid

No bugs found. No fixes needed.