Palace Mail is fully healthy. Here's the summary:

**All features tested and passing:**

- Layout: header, owner tabs (Junwon/Ace), account pills, compose button, split list/detail — all rendering correctly
- API: all 6 accounts returning emails, inbox/sent/search/message/attachment/archive/delete all returning correct responses
- UI interactions: compose opens, reply pre-fills To/subject, owner tab switching reloads inbox, account pill switching works, swipe gestures wired correctly, thread view, attachment chips, mobile layout

No bugs found. No fixes needed. No rebuild required.