refactor(device): 重构默认配置接口返回类型

- 将 DefaultConfigClient 中的 listDefaultConfigs 方法返回类型由 PageResponse 改为 CommonResponse<PageResponse>
- 更新 DefaultConfigIntegrationService 中的调用方式
- 移除 handlePageResponse 方法，改为使用 handleResponse 方法处理响应

src/main/java/com/ycwl/basic/integration/device/client/DefaultConfigClient.java

@@ -18,7 +18,7 @@ public interface DefaultConfigClient {
      * 获取默认配置列表
      */
     @GetMapping
-    PageResponse<DefaultConfigResponse> listDefaultConfigs(@RequestParam(value = "page", defaultValue = "1") int page,
+    CommonResponse<PageResponse<DefaultConfigResponse>> listDefaultConfigs(@RequestParam(value = "page", defaultValue = "1") int page,
                                                                           @RequestParam(value = "pageSize", defaultValue = "10") int pageSize);
 
     /**

src/main/java/com/ycwl/basic/integration/device/service/DefaultConfigIntegrationService.java

@@ -35,8 +35,8 @@ public class DefaultConfigIntegrationService {
             SERVICE_NAME,
             "defaults:list:" + page + ":" + pageSize,
             () -> {
-                PageResponse<DefaultConfigResponse> response = defaultConfigClient.listDefaultConfigs(page, pageSize);
-                return handlePageResponse(response, "获取默认配置列表失败");
+                CommonResponse<PageResponse<DefaultConfigResponse>> response = defaultConfigClient.listDefaultConfigs(page, pageSize);
+                return handleResponse(response, "获取默认配置列表失败");
             },
             PageResponse.class
         );
@@ -216,15 +216,4 @@ public class DefaultConfigIntegrationService {
         }
         return response.getData();
     }
-
-    private <T> PageResponse<T> handlePageResponse(PageResponse<T> response, String errorMessage) {
-        if (response == null || !response.isSuccess()) {
-            String msg = response != null && response.getMessage() != null 
-                        ? response.getMessage() 
-                        : errorMessage;
-            Integer code = response != null ? response.getCode() : 5000;
-            throw new IntegrationException(code, msg, SERVICE_NAME);
-        }
-        return response;
-    }
 }