Ilia Denisov
e3961fe4ca
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Refunding from /_gm reported "Already refunded" for a refund that had just succeeded, which reads as "you clicked twice". The two recording paths race. YooKassa fires refund.succeeded the moment POST /v3/refunds returns, so the notification handler often writes the reversal before the console's own write lands. Both name the same refund id, so the ledger's idempotency index rejects the second — which is the mechanism working exactly as intended: on the contour the money moved once, one refund row was written, the balance is right and no abuse flag was raised. Only the message was wrong about why. The console now reports success on that path, and the notification's log line no longer claims the refund was "issued outside the console" when it may well have come from it. Covered by an integration test that lands the notification first and then refunds from the console, asserting the operator is told it succeeded and that exactly one refund row exists.