feat: audit diff, mock SMS 999888, env photos, proxy pay lock, mini-user UX

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

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

@@ -1545,7 +1545,52 @@ export class TradeService {
       where: orderStatusLogWhere(orderId),
       orderBy: { createdAt: 'desc' },
     });
-    return serializeBigInt(mapOrderCompat({ ...order, statusLogs: mapStatusLogCompat(statusLogs) }));
+    return serializeBigInt({
+      ...mapOrderCompat({ ...order, statusLogs: mapStatusLogCompat(statusLogs) }),
+      proxyPayMethod: this.parseProxyPayMethod(order.channelSource),
+    });
+  }
+
+  private parseProxyPayMethod(channelSource: string | null | undefined): 'NATIVE' | 'JSAPI' | null {
+    if (!channelSource) return null;
+    const m = channelSource.match(/^PROXY_ONLINE:(NATIVE|JSAPI)$/);
+    return m ? (m[1] as 'NATIVE' | 'JSAPI') : null;
+  }
+
+  private proxyChannelWithMethod(method: 'NATIVE' | 'JSAPI'): string {
+    return `PROXY_ONLINE:${method}`;
+  }
+
+  /** 合伙人取消代下单支付（关闭待支付订单，可重新下单并选择其他支付方式） */
+  async cancelPartnerProxyOrder(partnerAccountId: bigint, orderId: bigint) {
+    const primary = await this.partnerCityService.resolvePrimaryAccount(partnerAccountId);
+    const order = await this.prisma.order.findFirst({
+      where: {
+        id: orderId,
+        orderType: 'PROXY',
+        proxyPartnerAccountId: primary.id,
+      },
+    });
+    if (!order) throw new NotFoundException('代下单不存在');
+    if (order.status !== 'PENDING_PAY' || order.payStatus !== 'UNPAID') {
+      throw new BadRequestException('仅待支付订单可取消');
+    }
+    await this.prisma.$transaction(async (tx) => {
+      await tx.order.update({
+        where: { id: orderId },
+        data: { status: 'CANCELLED', cancelledAt: new Date() },
+      });
+      await tx.commonEvent.create({
+        data: buildOrderStatusEvent({
+          orderId,
+          fromStatus: 'PENDING_PAY',
+          toStatus: 'CANCELLED',
+          operator: 'PARTNER_PROXY',
+          remark: '合伙人取消代下单支付',
+        }),
+      });
+    });
+    return serializeBigInt({ id: orderId.toString(), status: 'CANCELLED' });
   }
 
   /** HQ 代下单：商品/推广码选项（运营侧可看白名单测试酒） */
@@ -1775,6 +1820,21 @@ export class TradeService {
       throw new BadRequestException('订单已超时未支付');
     }
 
+    const lockedMethod = this.parseProxyPayMethod(order.channelSource);
+    if (lockedMethod && lockedMethod !== payMethod) {
+      throw new BadRequestException(
+        lockedMethod === 'JSAPI'
+          ? '该订单已发起微信代付，请先取消支付后重新下单'
+          : '该订单已生成收款码，请先取消支付后重新下单',
+      );
+    }
+    if (!lockedMethod) {
+      await this.prisma.order.update({
+        where: { id: orderId },
+        data: { channelSource: this.proxyChannelWithMethod(payMethod) },
+      });
+    }
+
     this.payRedeemAnomaly.onPayAttempt(Number(order.payAmount), {
       orderNo: order.orderNo,
       userId: order.userId,