All clear. Here's the Palace Mail self-heal summary:

**All features tested and passing — no fixes needed.**

### What was tested:

**Layout:** Header with Junwon/Ace owner tabs, account domain pills (manglasabang, palace.fund, palacering), split list/detail layout, compose button, email rows with sender/subject/date/attachment indicators — all rendering correctly.

**API endpoints (22 tested):**
- Inbox fetch for all 6 accounts (ace/junwon × 3 domains) — all returning email data
- Message detail with attachments — working
- Search — working
- Archive, delete, send error handling — all correct
- Attachment download, subscribe, VAPID key — all working

**UI interactions:**
- Owner tab switching reloads inbox correctly
- Account pill switching changes inbox
- Email click shows full detail (subject, from, date, HTML body in Shadow DOM)
- Attachment chips link correctly
- Compose opens with pre-filled To and From
- Reply pre-fills "Re:" subject and recipient
- Forward pre-fills "Fwd:" subject
- Thread mode grouping works
- Swipe-to-archive / swipe-to-delete with undo timer
- Pagination / load more
- Mobile responsive layout (≤680px)
- LocalStorage caching with background refresh

No issues found. No rebuild required.