账号不切换问题

backend/database/models.py

@@ -61,6 +61,10 @@ class Account:
             logger.warning(f"Account.get: account_id={account_id} not found in database")
         return row
 
+    @staticmethod
+    def get_by_id(account_id: int):
+        return Account.get(account_id)
+
     @staticmethod
     def list_all():
         return db.execute_query("SELECT id, name, status, created_at, updated_at FROM accounts ORDER BY id ASC")
@@ -78,6 +82,31 @@ class Account:
         )
         return db.execute_one("SELECT LAST_INSERT_ID() as id")["id"]
 
+    @staticmethod
+    def update(account_id: int, name: str = None, status: str = None, testnet: int = None, api_key: str = None, api_secret: str = None):
+        """通用更新方法"""
+        # 如果涉及敏感字段，调用 update_credentials
+        if api_key is not None or api_secret is not None:
+            Account.update_credentials(account_id, api_key, api_secret, bool(testnet) if testnet is not None else None)
+        
+        # 更新普通字段
+        fields = []
+        values = []
+        if name is not None:
+            fields.append("name = %s")
+            values.append(name)
+        if status is not None:
+            fields.append("status = %s")
+            values.append(status)
+        # 如果只有 testnet 而没有 key/secret，也需要更新
+        if testnet is not None and api_key is None and api_secret is None:
+            fields.append("use_testnet = %s")
+            values.append(bool(testnet))
+            
+        if fields:
+            values.append(int(account_id))
+            db.execute_update(f"UPDATE accounts SET {', '.join(fields)} WHERE id = %s", tuple(values))
+
     @staticmethod
     def update_credentials(account_id: int, api_key: str = None, api_secret: str = None, use_testnet: bool = None):
         from security.crypto import encrypt_str  # 延迟导入
@@ -177,6 +206,10 @@ class UserAccountMembership:
             (int(user_id), int(account_id), role),
         )
 
+    @staticmethod
+    def add_membership(user_id: int, account_id: int, role: str = "viewer"):
+        return UserAccountMembership.add(user_id, account_id, role)
+
     @staticmethod
     def remove(user_id: int, account_id: int):
         db.execute_update(
@@ -191,6 +224,20 @@ class UserAccountMembership:
             (int(user_id),),
         )
 
+    @staticmethod
+    def get_user_accounts(user_id: int):
+        """获取用户关联的账号列表（包含账号详情）"""
+        return db.execute_query(
+            """
+            SELECT a.id, a.name, a.status, a.created_at, a.updated_at, m.role 
+            FROM accounts a
+            JOIN user_account_memberships m ON a.id = m.account_id
+            WHERE m.user_id = %s
+            ORDER BY a.id ASC
+            """,
+            (int(user_id),)
+        )
+
     @staticmethod
     def list_for_account(account_id: int):
         return db.execute_query(