feat(mp): 积分商城 V2 重设计 — design-handoff 全流程

- 新增 4 个 UI 组件: PointsCard/ProductCard/CheckinCalendar/CheckinModal
- 商城首页 V2: 积分卡 + 快捷操作 + 分类标签 + 商品网格
- 商品详情 V2: 大图 + 信息卡 + 库存/余额状态 + 底部操作栏
- TabBar 新增商城入口(5 Tab: 首页/健康/商城/助手/我的)
- 设计原型 docs/design/mp-05-mall-v2.html + SPEC.md 交付包
- CLAUDE.md 安全规范加固: 新增 §3.7 安全规范 6 条 + Feature DoD 安全清单扩展

apps/miniprogram/src/app.config.ts

@@ -76,6 +76,7 @@ export default defineAppConfig({
     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/mall/index', text: '商城', iconPath: 'assets/tabbar/mall.png', selectedIconPath: 'assets/tabbar/mall-active.png' },
       { pagePath: 'pages/messages/index', text: '助手', iconPath: 'assets/tabbar/message.png', selectedIconPath: 'assets/tabbar/message-active.png' },
       { pagePath: 'pages/profile/index', text: '我的', iconPath: 'assets/tabbar/profile.png', selectedIconPath: 'assets/tabbar/profile-active.png' },
     ],
@@ -89,6 +90,10 @@ export default defineAppConfig({
       network: 'all',
       packages: ['pages/pkg-health'],
     },
+    'pages/mall/index': {
+      network: 'all',
+      packages: ['pages/pkg-mall'],
+    },
     'pages/consultation/index': {
       network: 'all',
       packages: ['pages/pkg-consultation'],