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An agent fleet has executed thousands of real side effects, then a bad deploy corrupts state. Design the recovery.

The staff-level reliability question for agent platforms. Refunds went out, emails sent, tickets closed, and now you have to triage at fleet scale without double-refunding. The recovery model interviewers actually score.

Updated Sep 2026 · Grounded in real Forward Deployed Engineer interview loops and written to a senior-engineer editorial bar.

The staff-level reliability question for agent platforms. Refunds went out, emails sent, tickets closed, and now you have to triage at fleet scale without double-refunding. The recovery model interviewers actually score.

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