feat(miniprogram): TabBar 重构 + 积分商城页面 (Chunk 5)

TabBar: 首页|健康|预约|资讯|我的 → 首页|上报|咨询|商城|我的

新增页面:
- 商城(mall): 积分余额卡片 + 签到 + 商品网格(分类型筛选/分页)
- 咨询(consultation): 占位页(即将上线)

新增服务:
- services/points.ts: 积分账户/签到/商品列表 API

API: getAccount, dailyCheckin, getCheckinStatus, listProducts

apps/miniprogram/src/app.config.ts

@@ -12,6 +12,8 @@ export default defineAppConfig({
     'pages/article/detail/index',
     'pages/report/detail/index',
     'pages/followup/detail/index',
+    'pages/consultation/index',
+    'pages/mall/index',
     'pages/profile/index',
     'pages/profile/family/index',
     'pages/profile/family-add/index',
@@ -29,9 +31,9 @@ export default defineAppConfig({
     borderStyle: 'white',
     list: [
       { pagePath: 'pages/index/index', text: '首页', iconPath: 'assets/tabbar/home.png', selectedIconPath: 'assets/tabbar/home-active.png' },
-      { pagePath: 'pages/health/index', text: '健康', iconPath: 'assets/tabbar/health.png', selectedIconPath: 'assets/tabbar/health-active.png' },
-      { pagePath: 'pages/appointment/index', text: '预约', iconPath: 'assets/tabbar/appointment.png', selectedIconPath: 'assets/tabbar/appointment-active.png' },
-      { pagePath: 'pages/article/index', text: '资讯', iconPath: 'assets/tabbar/article.png', selectedIconPath: 'assets/tabbar/article-active.png' },
+      { pagePath: 'pages/health/index', text: '上报', iconPath: 'assets/tabbar/health.png', selectedIconPath: 'assets/tabbar/health-active.png' },
+      { pagePath: 'pages/consultation/index', text: '咨询', iconPath: 'assets/tabbar/appointment.png', selectedIconPath: 'assets/tabbar/appointment-active.png' },
+      { pagePath: 'pages/mall/index', text: '商城', iconPath: 'assets/tabbar/article.png', selectedIconPath: 'assets/tabbar/article-active.png' },
       { pagePath: 'pages/profile/index', text: '我的', iconPath: 'assets/tabbar/profile.png', selectedIconPath: 'assets/tabbar/profile-active.png' },
     ],
   },