AI Agent Run Leases: Stop Stale Workers From Repeating Side Effects
An agent run can look dead, get claimed by a replacement worker, and then wake up just long enough to send the email you thought the replacement was handling. A queue lease helps, but it is not the whole safety boundary. The reliable pattern is a run lease plus a fencing token . The lease decides who may work right now . The fencing token lets the system that performs a side effect reject an…
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