fix(jd): 修复京东API数据同步事务处理问题

- 将数据库异常处理从startTrans改为rollback确保事务正确回滚
- 添加API错误日志记录便于问题排查
- 添加API结果日志记录用于监控数据同步状态

app/controller/api/store/product/Jd.php

@@ -557,7 +557,8 @@ class Jd extends BaseController
                 } while ($page <= $maxPage);
                 Db::commit();
             } catch (DbException $e) {
-                Db::startTrans();
+                Db::rollback();
+                Log::info("JD API error : " . $e->getMessage());
             }
         }
 
@@ -576,7 +577,7 @@ class Jd extends BaseController
         ];
         $result = $this->getUrlResult($apiName, $params);
         $result = json_decode($result, true);
-
+        Log::info("JD API result (eliteId:{$eliteId}, page:{$page}): " . json_encode($result));
         $result = json_decode($result['jd_union_open_goods_jingfen_query_responce']['queryResult'], true);
         //        $result = $result['data'] ?? [];
         return $result;