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

manager/session.py

@@ -0,0 +1,33 @@
+import time
+from typing import Dict, Optional
+
+class SessionManager:
+    def __init__(self):
+        self.sessions: Dict[str, Dict] = {}
+        self.session_timeout = 24 * 60 * 60  # 24小时过期
+        
+    def create_session(self, username: str) -> str:
+        """创建新会话"""
+        session_id = str(hash(f"{username}:{time.time()}"))
+        self.sessions[session_id] = {
+            'username': username,
+            'created_at': time.time()
+        }
+        return session_id
+        
+    def validate_session(self, session_id: str) -> Optional[str]:
+        """验证会话是否有效，返回用户名"""
+        if session_id not in self.sessions:
+            return None
+            
+        session = self.sessions[session_id]
+        if time.time() - session['created_at'] > self.session_timeout:
+            del self.sessions[session_id]
+            return None
+            
+        return session['username']
+        
+    def remove_session(self, session_id: str):
+        """删除会话"""
+        if session_id in self.sessions:
+            del self.sessions[session_id]