feat: 支持同卡种续卡叠加并修复过期登录态

支付成功后将次数或有效期叠加到已有会员卡，首页与详情页引导续卡；接口 401 时同步清掉本地登录态。

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

packages/server/src/payment/payment.service.ts

@@ -5,10 +5,11 @@ import {
   NotFoundException,
 } from '@nestjs/common'
 import { CardType, Order } from '@prisma/client'
-import { MembershipStatus, OrderStatus, FlashSaleOrderStatus } from '@mp-pilates/shared'
+import { OrderStatus, FlashSaleOrderStatus } from '@mp-pilates/shared'
 import { PrismaService } from '../prisma/prisma.service'
 import { WechatPayService, WxPaymentParams } from './wechat-pay.service'
 import { InviteService } from '../invite/invite.service'
+import { MembershipService } from '../membership/membership.service'
 
 export interface CreateOrderResult {
   order: Order
@@ -30,6 +31,7 @@ export class PaymentService {
     private readonly prisma: PrismaService,
     private readonly wechatPayService: WechatPayService,
     private readonly inviteService: InviteService,
+    private readonly membershipService: MembershipService,
   ) {}
 
   // ─── User: create order ────────────────────────────────────────────────────
@@ -118,32 +120,29 @@ export class PaymentService {
     }
 
     const now = new Date()
-    const expireDate = new Date(now.getTime() + cardType.durationDays * 86_400_000)
 
-    await this.prisma.$transaction([
-      this.prisma.order.update({
+    await this.prisma.$transaction(async (tx) => {
+      const membership = await this.membershipService.grantPurchasedCard(
+        tx,
+        existingOrder.userId,
+        cardType,
+        now,
+      )
+
+      await tx.order.update({
         where: { id: existingOrder.id },
         data: {
           status: OrderStatus.PAID,
           wxTransactionId: notification.wxTransactionId,
           paidAt: now,
+          membershipId: membership.id,
         },
-      }),
-      this.prisma.membership.create({
-        data: {
-          userId: existingOrder.userId,
-          cardTypeId: existingOrder.cardTypeId,
-          startDate: now,
-          expireDate,
-          remainingTimes: cardType.totalTimes ?? null,
-          status: MembershipStatus.ACTIVE,
-        },
-      }),
-    ])
+      })
+    })
 
     await this.inviteService.recordTrialOrderPaid(existingOrder.id)
 
-    this.logger.log(`Order PAID and Membership created: orderNo=${notification.orderNo}`)
+    this.logger.log(`Order PAID and membership granted: orderNo=${notification.orderNo}`)
 
     // ── Flash sale order: mark as PAID ──
     if (existingOrder.flashSaleId) {