fix: 抢单/组队卡片成交指标有字段即返回，均时含0样本

商家指标俱乐部兜底；组队大厅附带商家成交率/罚款率/均时。

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

orders/services/team_recruit.py

@@ -883,6 +883,7 @@ def serialize_recruit_public(rec, order=None, *, include_game_ids=False) -> dict
         'sj_avatar': '',
         'leader_avatar': '',
         'leader_deal_stat': None,
+        'shangjia_deal_stat': None,
     }
     if order:
         data['fadanpingtai_text'] = '平台单' if order.Platform == 1 else ('商家单' if order.Platform == 2 else '')
@@ -941,6 +942,22 @@ def serialize_recruit_public(rec, order=None, *, include_game_ids=False) -> dict
             dashou_row = None
     data['leader_deal_stat'] = miniapp_dashou_deal_payload(dashou_row)
 
+    # 商家单：附带商家成交率/罚款率/均时（有样本才有；前端有哪个展示哪个）
+    try:
+        from jituan.services.deal_stats import miniapp_merchant_deal_payload
+        from jituan.models import MerchantDealStat
+        sj_uid = (data.get('shangjia_id') or '').strip()
+        if sj_uid and club_ids:
+            m_row = None
+            for cid in club_ids:
+                m_row = MerchantDealStat.query.filter(club_id=cid, merchant_uid=sj_uid).first()
+                if m_row and int(m_row.order_count or 0) > 0:
+                    break
+                m_row = None
+            data['shangjia_deal_stat'] = miniapp_merchant_deal_payload(m_row)
+    except Exception:
+        data['shangjia_deal_stat'] = None
+
     if include_game_ids:
         from orders.models import TeamMember
         from users.business_models import User