feat: 订单列表/详情返回自动结算倒计时字段，并加小程序结算率接口

仅 eligible 结算中订单下发预计时间；支持 auto_settle_pending 筛选；新增 /dingdan/wo-de-deal-stat。

Co-authored-by: Cursor <cursoragent@cursor.com>

orders/views/merchant.py

@@ -754,6 +754,12 @@ class ShangjiaDingdanXiangqingView(APIView):
                 'laoban_shouji': getattr(shangjia_kuozhan, 'BossPhone', '') or '',
             }
 
+            try:
+                from jituan.services.order_deal import order_auto_settle_payload
+                response_data.update(order_auto_settle_payload(order))
+            except Exception as e:
+                logger.warning('自动结算展示字段附加失败: %s', e)
+
             try:
                 from merchant_ops.services.order_enrich import enrich_order_detail_data
                 enrich_order_detail_data(response_data, dingdan_id)