Remove archive/restore from the session menu and drop archived=1 listing. PATCH still accepts archived_at from old bundles then ignores it. A forward migration clears archived_at without bumping updated_at. Delete stays unchanged.
Separate shell subscriptions from Home session data and cover effect convergence, transition cleanup, current callbacks and signed-out fallback with real React lifecycle tests. Record baseline-equivalent local failures and outstanding browser/build verification.
Co-Authored-By: Claude Code <noreply@anthropic.com>