Payment webhook replay

One payment. Twenty deliveries.

Reproduce the duplicate-order race.

Payments1fixed input

Deliveries0same event ID

Orders0expected: 1

Revenue at risk$0duplicate value

Trace

evt_waiting

race detected

0 ms50100 ms

worker.a · lookup

worker.b · lookup

worker.a · create

worker.b · create

Two workers read before either write completed, so both created an order.

Persisted event stream

live

SPANRESULTTIME

Waiting for a replay.