下单接口支持其他店铺

/api/order/get_shipping_fee 与购物车加入逻辑此前只认官方自营详情页，加盟店运费分桶
仅靠自由文本 supplier 判断，未与其他店铺列表的 tenpo_cd 打通。补充 OrderItem/
CargoItemRequest 的 tenpo_cd/branch_number 字段，运费计算优先按 tenpo_cd 分桶
（无则回退 supplier 保持兼容），cargo_service 加购 URL 同步带上店铺参数。

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

app/services/cargo_service.py

@@ -91,7 +91,7 @@ class CargoService:
                         continue
 
                     logger.debug("进入商品 %s 详情页，准备购买数量: %s...", product_id, number)
-                    detail_url = product_detail_url(product_id)
+                    detail_url = product_detail_url(product_id, item.tenpo_cd, item.branch_number)
                     await page.goto(detail_url, wait_until="domcontentloaded", timeout=20000)
 
                     # 判断是否缺货

app/services/surugaya_client.py

@@ -265,6 +265,11 @@ class SurugayaClient:
         # 提取面包屑
         breadcrumb_list = self.get_breadcrumb_list(tree)
 
+        # 仅当调用方显式要求时，才额外抓取「他のショップ」页面（多付出一次 Cloudflare 保护页面请求）
+        other_shop_list: list[OtherShopItem] = []
+        if payload.include_other_shops:
+            other_shop_list = await self._fetch_other_shop_list(goods_id)
+
         detail = ProductDetailData(
             goods_id=goods_id,
             goods_name=goods_name,
@@ -279,6 +284,7 @@ class SurugayaClient:
             price_note=price_note,
             shipping_comission_fee=shipping_comission_fee,
             breadcrumb_list=breadcrumb_list,
+            other_shop_list=other_shop_list,
         )
         logger.debug("详情页解析完成：goods_id=%s goods_name=%s ", detail.goods_id, detail.goods_name)
         return detail