- Defer quiet-hours dispatches into new deferred_dispatch table; drain
job + periodic catch-up scan re-fire at window end with coalescing on
(link, event_type, collection_id).
- Add ON DELETE SET NULL migration on event_log_id and partial unique
index on (link_id, collection_id, event_type) WHERE status='pending'.
- Add release-check provider abstraction (Gitea/GitHub) with SSRF-safe
URL validation, settings UI cassette, and scheduled polling.
- Replace importlib-only version lookup with version.py helper that
prefers the higher of installed metadata vs source pyproject so stale
editable dev installs stop misreporting.
- Aurora frontend polish: MetaStrip component, ReleaseCassette,
EventDetailModal expansion, and i18n additions.
