feat: 商城改版、约课页合并三Tab、课程已预约状态后端注入

- 商城页改为Tab切换(储值卡/会员卡)+卡片列表，新增商品详情页
- 约课页合并会员卡/团课/门票三Tab，日期横滑选择器
- 会员卡预约新增详情页+二次确认弹窗
- 课程列表已预约状态改为后端返回booked/booking_id/booking_type
- 前端移除冗余的loadBookings调用，直接读session.booked字段
- 导航栏仅首页custom，其余页面恢复原生导航栏
- membership API支持date参数筛选

miniprogram/src/pages.json

@@ -20,6 +20,7 @@
       "path": "pages/home/index",
       "style": {
         "navigationBarTitleText": "首页",
+        "navigationStyle": "custom",
         "enablePullDownRefresh": true
       }
     },
@@ -92,6 +93,12 @@
         "navigationBarTitleText": "课程详情"
       }
     },
+    {
+      "path": "pages/comprehensive/courses/membership-detail",
+      "style": {
+        "navigationBarTitleText": "次卡预约"
+      }
+    },
     {
       "path": "pages/comprehensive/courses/confirm",
       "style": {
@@ -174,6 +181,12 @@
         "enablePullDownRefresh": true
       }
     },
+    {
+      "path": "pages/comprehensive/mall/detail",
+      "style": {
+        "navigationBarTitleText": "商品详情"
+      }
+    },
     {
       "path": "pages/comprehensive/membership/cards",
       "style": {
@@ -317,7 +330,6 @@
     ]
   },
   "globalStyle": {
-    "navigationStyle": "custom",
     "navigationBarTextStyle": "black",
     "navigationBarBackgroundColor": "#FFFFFF",
     "backgroundColor": "#F8FAFC",