完成 Ruff 全量清理

web/backend/services/account_check_service.py

@@ -258,7 +258,7 @@ class AccountCheckRunner:
                 stop_event=self._stop,
                 api_strategy=WgapiLoginAPI(),
             ).check_account()
-        except Exception as exc:
+        except Exception as exc:  # noqa: BLE001 外部接口与任务边界需要保留宽泛异常兜底
             self._set_item(
                 index, status="error", message=f"检测异常: {exc}", finished_at=_now()
             )
@@ -319,7 +319,7 @@ class AccountCheckRunner:
         with self._lock:
             items = list(self.batch.items)
 
-        timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
+        timestamp = datetime.now(UTC).strftime("%Y%m%d_%H%M%S")
         buffer = io.BytesIO()
         with zipfile.ZipFile(buffer, "w", compression=zipfile.ZIP_DEFLATED) as zf:
             for status in EXPORT_STATUS_ORDER:
@@ -367,7 +367,7 @@ class AccountCheckRunner:
 
                 for future in as_completed(futures):
                     future.result()
-        except Exception as exc:
+        except Exception as exc:  # noqa: BLE001 外部接口与任务边界需要保留宽泛异常兜底
             self._set_batch(
                 status="error", message=f"批次执行异常: {exc}", finished_at=_now()
             )