A thumbnail job from earlier stayed 'active' for 6+ hours: worker was restarted at 70% progress, BullMQ left it in the active set, and there was no stall reaper because the worker was created with only the default options.
Worker now passes stalledInterval: 30000, lockDuration: 60000, lockRenewTime: 15000, maxStalledCount: 1 to the Worker constructor. If a run dies, BullMQ reclaims the job back to waiting within 30s and a 'stalled' event is logged. Otherwise the lock is renewed mid-job.
Jobs UI gains a 'Kill' button per row next to Details. Calls DELETE /api/v1/jobs/:id which already removes the job from Redis. Use it on any row that looks stuck.
Zac
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