增加通过认证码绑定设备和管理账户的功能，需要开启私有设备配置

增加登录用户鉴权

core/utils/lock_manager.py

@@ -0,0 +1,38 @@
+import asyncio
+from typing import Dict
+import logging
+
+logger = logging.getLogger(__name__)
+
+class FileLockManager:
+    _instance = None
+    _locks: Dict[str, asyncio.Lock] = {}
+
+    def __new__(cls):
+        if cls._instance is None:
+            cls._instance = super(FileLockManager, cls).__new__(cls)
+        return cls._instance
+
+    @classmethod
+    def get_lock(cls, file_path: str) -> asyncio.Lock:
+        """获取指定文件的锁"""
+        if file_path not in cls._locks:
+            cls._locks[file_path] = asyncio.Lock()
+        return cls._locks[file_path]
+
+    @classmethod
+    async def acquire_lock(cls, file_path: str):
+        """获取锁"""
+        lock = cls.get_lock(file_path)
+        await lock.acquire()
+        logger.debug(f"Acquired lock for {file_path}")
+
+    @classmethod
+    def release_lock(cls, file_path: str):
+        """释放锁"""
+        if file_path in cls._locks:
+            try:
+                cls._locks[file_path].release()
+                logger.debug(f"Released lock for {file_path}")
+            except RuntimeError as e:
+                logger.warning(f"Failed to release lock for {file_path}: {e}")