Software bug let a weekly 3-execution cap be breached six times in one week

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A product remediation system designed to cap listing improvements at three per ISO week executed six times in a single week without triggering any alerts or errors. The breach occurred because the cap was enforced only at the planning stage, meaning a second invocation of the planner within the same week simply reset the allowance and selected three fresh targets. A separate command-line tool that performed the actual updates bypassed the planner entirely, carrying no cap of its own. The team identified an identical structural flaw in a different subsystem three weeks earlier, where a follow-account process exceeded its daily operating target for the same reason. The root cause in both cases was that the limiting number was attached to the code that selected work, not to the code that performed it.

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