fix(audit): 修复 decorators.py 中缺失 has_request_context 导入导致的致命 NameError

inventory-backend/app/utils/decorators.py

@@ -1,7 +1,7 @@
 # app/utils/decorators.py
 from functools import wraps
 from flask_jwt_extended import get_jwt, verify_jwt_in_request, get_jwt_identity
-from flask import jsonify, g, request
+from flask import jsonify, g, request, current_app, has_request_context
 import logging
 import json