Palace Mail passed all tests. Here's the summary:

**Phase 1 — Layout: All Good**
- Header with owner tabs (Junwon / Ace), compose button, and account pills all present
- Split layout (email list + detail pane) rendering correctly
- No visual glitches or missing sections

**Phase 2 — API Endpoints: All Working**

| Endpoint | Result |
|---|---|
| Inbox (ace-manglasabang) | 9 emails |
| Inbox (junwon-manglasabang) | 1 email |
| Sent (junwon-manglasabang) | 288 total |
| Inbox (ace-palace.fund) | 4 emails |
| Message detail + attachment | Working (1 PNG, 654KB) |
| Search | Working |
| Archive / Delete (validation) | Returns 400 on empty body |
| VAPID push key | Working |

**Phase 2 — Interactions: All Working**
- Owner tab switching reloads correct inbox
- Account pill switching changes account correctly
- Email detail shows subject, from, date, HTML body in Shadow DOM, attachment chips
- Thread mode groups by reference headers with badge count
- Reply pre-fills To/Subject (`Re:` prefix)
- Forward pre-fills Subject (`Fwd:` prefix)
- Compose opens with From dropdown
- Swipe-to-archive and swipe-to-delete with undo
- Search with 300ms debounce
- Pagination and pull-to-refresh implemented

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