fix: 清理旧的测试数据，添加调试日志

- 删除所有旧的测试订单（id <= 14）
- 前端添加调试日志，查看请求参数和响应数据
- 后端添加日志，记录接收到的请求参数

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

backend/app/controller/ApprovalController.php

@@ -38,8 +38,13 @@ class ApprovalController extends BaseController
         $page = (int) $request->get('page', 1);
         $pageSize = (int) $request->get('page_size', 20);
 
+        // 添加日志
+        error_log("Approval list request: userId={$userId}, type={$type}, page={$page}");
+
         $result = $this->service->getList($userId, $type, $page, $pageSize);
 
+        error_log("Approval list result: count=" . count($result['list']));
+
         return $this->success($result);
     }