补充Mock主体账号绑定实施记录

docs/plans/backend/2026-03-18-lsfx-logid-primary-binding-backend-implementation.md

@@ -8,6 +8,22 @@
 
 **Tech Stack:** Python 3, FastAPI, pytest, httpx TestClient
 
+## 执行结果
+
+- 2026-03-18 已按计划完成 Task 1 至 Task 5，功能实现、实施记录与最终验证均已落地。
+- 代码提交顺序：
+  - `0120d09` `收敛Mock文件记录主体账号绑定模型`
+  - `6fb7287` `让拉取本行信息链路复用Mock主体账号绑定`
+  - `0a85c09` `统一Mock上传状态主体账号绑定优先级`
+  - `5195617` `让Mock流水查询复用logId主体账号绑定`
+- 最终验证已通过：
+  - `python3 -m pytest tests/test_file_service.py -v`
+  - `python3 -m pytest tests/test_statement_service.py -v`
+  - `python3 -m pytest tests/test_api.py -v`
+  - `python3 -m pytest tests/integration/test_full_workflow.py -v`
+  - `python3 verify_implementation.py`
+- 实施细节见 `docs/reports/implementation/2026-03-18-lsfx-logid-primary-binding-implementation.md`
+
 ---
 
 ### Task 1: 收敛 FileRecord 为单一主体账号绑定模型