feat:客户agent以及记忆模块功能开发

api/deps.py

@@ -37,3 +37,10 @@ async def require_knowledge_operator(user: SysUser = Depends(get_current_user))
     if user.user_type != "EMPLOYEE" or user.employee_role not in KNOWLEDGE_OPERATOR_ROLES:
         raise ForbiddenError("仅运营人员可以管理知识库")
     return user
+
+
+async def require_customer(user: SysUser = Depends(get_current_user)) -> SysUser:
+    """Allow only authenticated customer accounts to use client Agent APIs."""
+    if user.user_type != "CUSTOMER":
+        raise ForbiddenError("仅客户用户可以访问 client_agent")
+    return user