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Webhook Events Arrive Out of Order and Duplicated, AI Engineering Interview | Velocode

Practice/Webhook Events Arrive Out of Order and Duplicated

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EasyForward DeployedCode ComprehensionLLM APIs & Integration Stakeholder Communication

Webhook Events Arrive Out of Order and Duplicated

You're deployed at a customer ingesting their vendor's webhooks to keep order status in sync. Statuses are sometimes wrong: an order shows 'shipped' then flips back to 'processing', and some events are applied twice. The vendor admits webhooks can arrive out of order and be re-sent. The handler is below. AI tools are allowed. Fix it so status is always correct, then explain it to the customer's operations lead.

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