fix(miniprogram): 多角色找茬模式发现并修复 16 个问题

P0 Bug:
- 健康 AI 建议幽灵路径 pkg-appointment → appointment/create
- 血糖 indicator_type 始终 blood_sugar，不区分空腹/餐后
- 商城订单页 switchTab 跳转非 TabBar 页面

P1 设计系统:
- Profile/Index 页 emoji 图标替换为衬线首字
- Profile 硬编码颜色替换为 SCSS 变量 class
- alerts/action-inbox 两个页面全面接入设计系统
- ai-report/detail 删除重复 mixin 定义
- ErrorBoundary 添加重试按钮移除 emoji
- 新增 $r-xs: 8px 圆角变量

P1 导航/交互:
- Profile 补充 4 个缺失菜单（透析/知情同意/用药/活动）
- Settings 隐私政策改为跳转实际页面
- 全局启用 enablePullDownRefresh
- 首页/健康页添加下拉刷新
- 咨询/消息列表添加分页加载更多
- 医生端患者列表改为上拉加载
- 首页/健康页间距统一为 24px

apps/miniprogram/src/pages/health/index.scss

@@ -4,7 +4,7 @@
 .health-page {
   min-height: 100vh;
   background: $bg;
-  padding: 20px 16px 100px;
+  padding: 20px 24px 100px;
   padding-bottom: calc(100px + env(safe-area-inset-bottom));
 }
 

apps/miniprogram/src/pages/health/index.tsx

@@ -1,6 +1,6 @@
 import { useState, useEffect } from 'react';
 import { View, Text, Input } from '@tarojs/components';
-import Taro, { useDidShow } from '@tarojs/taro';
+import Taro, { useDidShow, usePullDownRefresh } from '@tarojs/taro';
 import { useHealthStore } from '../../stores/health';
 import { useAuthStore } from '../../stores/auth';
 import { inputVitalSign, getTrend, getHealthThresholds, findThreshold, DEFAULT_THRESHOLDS, type HealthThreshold } from '../../services/health';
@@ -61,6 +61,12 @@ export default function Health() {
     getHealthThresholds().then((t) => { if (t.length > 0) setThresholds(t); });
   });
 
+  usePullDownRefresh(() => {
+    Promise.all([refreshToday(true), loadTrend(activeTab), loadAiSuggestions()]).finally(() => {
+      Taro.stopPullDownRefresh();
+    });
+  });
+
   const loadAiSuggestions = async () => {
     try {
       const items = await listPendingSuggestions();
@@ -164,7 +170,8 @@ export default function Health() {
         case 'blood_sugar': {
           const val = parseFloat(sugarVal);
           if (!val) { Taro.showToast({ title: '请填写血糖值', icon: 'none' }); return; }
-          await inputVitalSign(patientId, { indicator_type: 'blood_sugar', value: val });
+          const bsType = sugarPeriod === 'fasting' ? 'blood_sugar_fasting' : 'blood_sugar_postprandial';
+          await inputVitalSign(patientId, { indicator_type: bsType, value: val });
           setSugarVal('');
           break;
         }
@@ -201,7 +208,7 @@ export default function Health() {
         <View className='ai-suggestion-card' onClick={() => {
           const first = aiSuggestions[0];
           if (first?.suggestion_type === 'appointment') {
-            Taro.navigateTo({ url: `/pages/pkg-appointment/create/index?patientId=${first.patient_id}` });
+            Taro.navigateTo({ url: `/pages/appointment/create/index` });
           } else if (first?.suggestion_type === 'followup') {
             Taro.navigateTo({ url: '/pages/pkg-profile/followups/index' });
           } else {