修复Mock流水按数据库员工及亲属绑定身份证

lsfx-mock-server/tests/conftest.py

@@ -14,11 +14,21 @@ from config.settings import settings
 from routers.api import file_service
 
 
+class FakeStaffIdentityRepository:
+    def select_random_staff_with_families(self):
+        return {
+            "staff_name": "测试员工",
+            "staff_id_card": "320101199001010030",
+            "family_id_cards": ["320101199201010051"],
+        }
+
+
 @pytest.fixture(autouse=True)
 def reset_file_service_state():
     """避免 file_service 单例状态影响测试顺序。"""
     file_service.file_records.clear()
     file_service.log_counter = settings.INITIAL_LOG_ID
+    file_service.staff_identity_repository = FakeStaffIdentityRepository()
     yield
     file_service.file_records.clear()
     file_service.log_counter = settings.INITIAL_LOG_ID