HEL-282: 写库路径事务提交与审计留痕自查修复

同类未提交即 close 回滚、业务与审计拆成两笔事务的路径一并收进可嵌套事务边界。

Co-authored-by: Cursor <cursoragent@cursor.com>
Co-authored-by: multica-agent <github@multica.ai>

src/bank_importer/personal_transit.py

@@ -12,7 +12,7 @@ from __future__ import annotations
 
 import sqlite3
 
-from .db import utc_now
+from .db import transaction, utc_now
 from .master_data import (
     ConflictError,
     mask_account_number,
@@ -67,7 +67,7 @@ def submit_mapping(
     ).fetchone()
     if existing is None:
         try:
-            with connection:
+            with transaction(connection):
                 cursor = connection.execute(
                     """
                     INSERT INTO personal_transit_mappings (
@@ -81,22 +81,21 @@ def submit_mapping(
                         start, actor["id"] if actor else None, now, now,
                     ),
                 )
+                mapping_id = int(cursor.lastrowid)
+                record_change(
+                    connection, "personal_transit_mapping", mapping_id, "submit", None,
+                    {"account_number": number, "account_name": holder,
+                     "represented_company_id": represented_company_id,
+                     "allowed_direction": direction, "status": "pending",
+                     "effective_from": start},
+                    None, actor,
+                )
         except sqlite3.IntegrityError as exc:
             raise ConflictError("该个人过账账号已登记，请等待现有申请处理。") from exc
-        mapping_id = int(cursor.lastrowid)
-        with connection:
-            record_change(
-                connection, "personal_transit_mapping", mapping_id, "submit", None,
-                {"account_number": number, "account_name": holder,
-                 "represented_company_id": represented_company_id,
-                 "allowed_direction": direction, "status": "pending",
-                 "effective_from": start},
-                None, actor,
-            )
         return get_mapping(connection, mapping_id)
 
     if existing["status"] == "returned":
-        with connection:
+        with transaction(connection):
             connection.execute(
                 """
                 UPDATE personal_transit_mappings
@@ -143,7 +142,7 @@ def review_mapping(
         if mapping["status"] != "pending":
             raise ConflictError("只有待复核的映射可以审核通过。")
         start = validate_date(effective_from, "生效日期") or mapping["effective_from"] or today
-        with connection:
+        with transaction(connection):
             connection.execute(
                 """
                 UPDATE personal_transit_mappings
@@ -162,7 +161,7 @@ def review_mapping(
             raise ConflictError("只有待复核的映射可以退回。")
         if reason is None:
             raise ValueError("退回必须填写原因。")
-        with connection:
+        with transaction(connection):
             connection.execute(
                 """
                 UPDATE personal_transit_mappings
@@ -182,7 +181,7 @@ def review_mapping(
         if reason is None:
             raise ValueError("停用必须填写原因。")
         end = validate_date(effective_to, "停用日期") or today
-        with connection:
+        with transaction(connection):
             connection.execute(
                 """
                 UPDATE personal_transit_mappings