feat(promo): HQ 推广码订单只计已完成并补扫码订单快链

列表与详情的订单数/转化率按 COMPLETED 实时统计；扫码、订单、事件 ID 可跳到对应页。

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

server/dukang-api/src/integrations/wechat/wechat-trade-manage.service.ts

@@ -100,6 +100,27 @@ export class WechatTradeManageService {
           remark,
         }),
       });
+      if (order.promoCodeId) {
+        const already = await tx.logPromoEvent.findFirst({
+          where: { orderId: order.id, eventType: 'ORDER' },
+          select: { id: true },
+        });
+        if (!already) {
+          await tx.commonPromoCode.update({
+            where: { id: order.promoCodeId },
+            data: { orderCount: { increment: 1 } },
+          });
+          await tx.logPromoEvent.create({
+            data: {
+              promoCodeId: order.promoCodeId,
+              eventType: 'ORDER',
+              userId: order.userId,
+              orderId: order.id,
+              clientIp: order.clientIp,
+            },
+          });
+        }
+      }
     });
 
     await this.logEvent(evt, order.id, 'SUCCESS', methodLabel);