Recovered after a broken-pipe session cut off right after Task 4 finished: the summary was fully written (Self-Check PASSED) but never committed. Re-verified on resume before committing: /aiui/-scoped CSP header live on archi-dev-box, build/verify scripts present+executable, render screenshot intact. STATE.md advanced: 6/15 plans done, next is 13-04. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>