fix(partner): drop pickup store and reorder promo on proxy order

On-site pickup no longer requires a store; move optional promo above fulfillment mode.

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

server/dukang-api/src/modules/trade/trade.service.ts

@@ -1228,17 +1228,12 @@ export class TradeService {
     let commissionDistrict = receiverDistrict;
 
     if (body.deliveryMode === 'ON_SITE_PICKUP') {
-      if (!body.storeId?.trim()) throw new BadRequestException('请选择提货门店');
-      const store = await this.prisma.store.findFirst({
-        where: { id: BigInt(body.storeId.trim()), partnerAccountId: primary.id },
-      });
-      if (!store) throw new BadRequestException('门店不存在或不属于当前合伙人');
-      receiverName = store.name;
-      receiverProvince = store.province;
-      receiverCity = store.cityName;
-      receiverDistrict = store.district;
-      receiverAddress = `现场提货·${store.name}·${store.province}${store.cityName}${store.district}${store.address}`;
-      commissionDistrict = store.district;
+      receiverName = body.receiverName?.trim() || `用户${normalizedPhone.slice(-4)}`;
+      receiverProvince = '现场';
+      receiverCity = '现场';
+      receiverDistrict = '取货';
+      receiverAddress = '现场提货';
+      commissionDistrict = '';
     } else {
       if (!receiverProvince || !receiverCity || !receiverDistrict) {
         throw new BadRequestException('请选择省市区');