调整智能体管理list接口排序，根据创建时间倒序返回

main/manager-api/src/main/java/xiaozhi/modules/agent/controller/AgentController.java

@@ -277,4 +277,4 @@ public class AgentController {
 
 
 
-}
+};

main/manager-api/src/main/java/xiaozhi/modules/agent/service/impl/AgentServiceImpl.java

@@ -130,7 +130,7 @@ public class AgentServiceImpl extends BaseServiceImpl<AgentDao, AgentEntity> imp
     @Override
     public List<AgentDTO> getUserAgents(Long userId, String keyword, String searchType) {
         QueryWrapper<AgentEntity> queryWrapper = new QueryWrapper<>();
-        queryWrapper.eq("user_id", userId);
+        queryWrapper.eq("user_id", userId).orderByDesc("created_at");
 
         // 如果有搜索关键词，根据搜索类型添加相应的查询条件
         if (StringUtils.isNotBlank(keyword)) {