feat: 优化微信订阅消息体系并新增约课取消通知与开课前1小时提醒

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

packages/app/src/pages/profile/bookings.vue

@@ -154,6 +154,7 @@ import {
 } from '../../utils/booking-helpers'
 import CustomNavBar from '../../components/CustomNavBar.vue'
 import LessonSupplementList from '../../components/LessonSupplementList.vue'
+import { requestBookingCancelSubscriptionMessage } from '../../utils/wechat-subscription'
 
 type TabKey = 'upcoming' | 'history'
 
@@ -327,6 +328,12 @@ function goDetail(booking: BookingWithDetails) {
 }
 
 async function handleCancel(booking: BookingWithDetails) {
+  try {
+    await requestBookingCancelSubscriptionMessage()
+  } catch (err: unknown) {
+    console.warn('[subscribe] cancel pre-subscribe failed', err)
+  }
+
   const dateLabel = formatDateDisplay(booking.timeSlot.date)
   const timeLabel = startTime(booking)