Keep the next sandbox shipment before the driver-offer boundary
Sandbox deployment only. Idempotently arms one tenant-bound hold. The next shipment consumes it atomically and remains PENDING_APPROVAL with no driver offer, allowing the merchant cancellation boundary to be exercised deterministically.
Authorizations
Opaque httpOnly browser session cookie issued by the existing human authentication flows. Browsers send it automatically; Swagger UI cannot and does not persist or manufacture it.
Response
Readiness with nextShipmentDispatchHeld set to true
x >= 1True when the next sandbox shipment will remain before any driver offer; consumed atomically by that creation.
"SANDBOX_BRANCH""SANDBOX_PICKUP"Use this fixture city code in price-estimate and shipment requests.
"RUH"Sandbox-only driver OTP identity used to progress the real canonical driver lifecycle.
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