技术评估时应先确认什么What technical teams should confirm first
- 订单主键、order_id 与运单标识的对应关系How order identifiers relate to shipment records
- 同步返回与异步状态获取的边界The boundary between synchronous response and asynchronous retrieval
- 失败重试是否具备幂等保护Whether retry behavior is protected by idempotency
- 账单字段是否能传递到财务核对链路Whether billing fields can travel into finance review workflows