feat: 增强员工管理与报销单全流程功能

- 新增员工Excel导入服务(employee_spreadsheet)及导入/导出API端点
- 员工服务增加批量创建、邮箱唯一校验、组织架构关联等能力
- 报销单提交补充身份回填、部门信息透传及预审结果展示优化
- 认证流程增加部门信息(departmentName)并在schema中同步扩展
- 用户Agent服务增加部门关联与报销单回填逻辑
- 前端员工管理页面全面重构，新增导入导出、搜索过滤、分页等功能
- 前端审批中心、审计、差旅报销等视图交互与样式优化
- 新增TableLoadingState共享组件及员工导入测试用例

server/tests/test_employee_service.py

@@ -135,6 +135,112 @@ def test_enable_employee_restores_status_and_logs_change() -> None:
         assert any(item.action == "启用员工账号" for item in updated.history)
 
 
+def test_profile_repairs_do_not_run_on_every_list() -> None:
+    with build_session() as db:
+        service = EmployeeService(db)
+        employee = service.list_employees()[0]
+
+        updated = service.update_employee(
+            employee.id,
+            EmployeeUpdate(position="测试岗位-不会被回滚"),
+        )
+
+        listed = next(item for item in service.list_employees() if item.id == employee.id)
+        assert updated.position == "测试岗位-不会被回滚"
+        assert listed.position == "测试岗位-不会被回滚"
+
+
+def test_role_update_appends_recent_history() -> None:
+    with build_session() as db:
+        service = EmployeeService(db)
+        employee = service.list_employees()[0]
+        current_codes = list(employee.roleCodes)
+        next_codes = ["finance", "user"] if "finance" not in current_codes else ["user"]
+
+        updated = service.update_employee(employee.id, EmployeeUpdate(role_codes=next_codes))
+
+        assert any("更新系统角色" in item.action for item in updated.history)
+
+
+def test_employee_change_logs_keep_only_latest_five() -> None:
+    with build_session() as db:
+        service = EmployeeService(db)
+        employee = service.list_employees()[0]
+        persisted = db.get(Employee, employee.id)
+        assert persisted is not None
+
+        for index in range(7):
+            service._append_change_log(
+                persisted,
+                action=f"测试变更-{index}",
+                owner="单元测试",
+            )
+
+        db.commit()
+        service._trim_employee_change_logs(persisted.id)
+        db.commit()
+        hydrated = db.get(Employee, employee.id)
+        assert hydrated is not None
+        assert len(hydrated.change_logs) == 5
+        assert hydrated.change_logs[0].action == "测试变更-6"
+
+
+def test_employee_meta_includes_organization_options() -> None:
+    with build_session() as db:
+        service = EmployeeService(db)
+        meta = service.get_employee_meta()
+
+        assert meta.organizationOptions
+        assert all(item.code and item.name for item in meta.organizationOptions)
+
+
+def test_update_employee_changes_organization() -> None:
+    with build_session() as db:
+        service = EmployeeService(db)
+        employee = service.list_employees()[0]
+        organizations = service.repository.list_organization_units()
+        current_code = employee.organization.code if employee.organization else None
+        target = next(unit for unit in organizations if unit.unit_code != current_code)
+
+        updated = service.update_employee(
+            employee.id,
+            EmployeeUpdate(organization_unit_code=target.unit_code),
+        )
+
+        assert updated.organization is not None
+        assert updated.organization.code == target.unit_code
+        assert updated.department == target.name
+        assert any("更新员工信息" in item.action for item in updated.history)
+
+
+def test_update_employee_rejects_unknown_organization() -> None:
+    with build_session() as db:
+        service = EmployeeService(db)
+        employee = service.list_employees()[0]
+
+        with pytest.raises(ValueError, match="部门编码"):
+            service.update_employee(
+                employee.id,
+                EmployeeUpdate(organization_unit_code="ORG-NOT-EXISTS"),
+            )
+
+
+def test_update_employee_changes_manager() -> None:
+    with build_session() as db:
+        service = EmployeeService(db)
+        employees = service.list_employees()
+        employee = employees[0]
+        manager = next(item for item in employees if item.id != employee.id)
+
+        updated = service.update_employee(
+            employee.id,
+            EmployeeUpdate(manager_employee_no=manager.employeeNo),
+        )
+
+        assert updated.managerEmployeeNo == manager.employeeNo
+        assert updated.manager == manager.name
+
+
 def test_update_employee_rejects_invalid_date_format() -> None:
     with build_session() as db:
         service = EmployeeService(db)