SPAY4 · CURRENT DIAGRAM

Order、assignment 與 reservation

Agent API claim 建立 formal order；attempt 是 immutable history。Deposit 可以使用 HOUSE Deposit reservation；Withdrawal 只使用 Payment Account reservation。

← SPay4 portal

Order、assignment 與 reservationAgent API claim 建立 formal order；attempt 是 immutable history。Deposit 可以使用 HOUSE Deposit reservation；Withdrawal 只使用 Payment Account reservation。14 Core + 37 Domain = 51 relations · no database foreign keyagent_api_order_claimlogical relation / service guardformal orderlogical relation / service guardassignment attemptlogical relation / service guardPayment Account reservationlogical relation / service guardDeposit HOUSE reservationlogical relation / service guard候選 DDL 以 service transaction、owner guard、immutable snapshot、CAS 和 idempotency 維護完整性。