- recover_stuck_events: Reset processing events stuck >120s back to pending
- cleanup_published_events: Delete published events older than 30 days
- Replay now resets outbox_deliveries for clean retry
- Worker: hourly retention cleanup cron job
- API: /recover-stuck and /cleanup-published endpoints
- process_outbox_batch: auto-recovery at start of each tenant iteration
- 23/23 tests passing (5 new tests)