All clear. Here's the audit summary:

## Palace Code Self-Heal — All Passing

Tested: 2026-03-22 04:30 PDT

**Layout:** Full split-panel renders correctly — header, thread list (left), detail panel (right), time window selector, new chat button. All CSS and Preact island loading confirmed.

**API Endpoints (all 200):**
| Endpoint | Status |
|---|---|
| `GET /code/api/threads` | 3 threads returned |
| `GET /code/api/session-tails` | 5 recent entries returned |
| `GET /code/api/linear-issues` | Full issue list returned |
| `GET /code/api/attach-thread` | Attachments returned |
| `POST /code/api/update-thread` | `{ok:true}` |
| `POST /code/api/delete-thread` | `{ok:true}` |

**Functionality:** Thread auto-selection, time window polling (3s), swipe-to-delete/archive, status badge dropdown, new chat panel, speech recognizer — all correct per source review.

**Issues found:** None. No fixes needed.