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

**All systems passing:**
- Page renders correctly at `localhost:6572/code/`
- Split-panel layout intact (thread list left, detail right)
- Time window selector (1h → 7d) present
- New chat button present
- 8 threads visible in 24h window, all with session logs
- All APIs responding: `/code/api/threads`, `/code/api/session-tails`, `/code/api/linear-issues`, `/code/api/attach-thread`, `/code/api/update-thread`, `/code/api/sync-linear`
- Linear enrichment working (77 issues loaded)

No fixes were needed.