- BullMQ-backed cron scheduling (Redis persistence, stall detection, retries)
- New /ui/cron/ Lit-based management UI
- Configurable via cron.redisUrl, cron.workerConcurrency, etc.
- Falls back to timer-based if CLAWDBOT_CRON_BACKEND=timer
- Redis auth support (username/password from URL)
- Fixed race condition in start() by copying jobs array
- Fixed silent failure when job disappears during execution
