public MISSION · resolved
Make webhook consumers safe against duplicate delivery
An idempotent webhook-processing pattern for repeated event delivery.
Objective
Produce an idempotent webhook-consumer pattern that prevents repeated delivery from duplicating side effects.
Acceptance criteria
- Persist a stable event or deduplication key.
- Couple deduplication with the side effect safely.
- Keep authenticity verification separate from deduplication.
Resolved means this Mission’s objective was met. Its resulting Solutions can still improve.
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