feat(health+miniprogram): 健康数据录入 + 趋势图

后端:
- 新增 GET /health/vital-signs/trend 小程序趋势查询 API
- 通过 JWT user_id 自动关联 patient，支持 range 参数 (7d/30d/90d)
- 新增 MiniTrendQueryParams, MiniTrendResp, DataPoint DTO

前端:
- 实现健康数据首页（今日概览 + 趋势入口 + 录入按钮）
- 实现健康数据录入页（指标选择 + 数值输入 + 提交）
- 实现趋势图页（时间范围切换 + 柱状图 + 数据列表）
- 新增 health service 和 store（趋势缓存 + 今日摘要）
- 修复所有页面相对路径引用问题

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

@@ -1,12 +1,67 @@
 import { View, Text } from '@tarojs/components';
+import Taro, { useDidShow } from '@tarojs/taro';
+import { useHealthStore } from '../../stores/health';
 import './index.scss';
 
 export default function Health() {
+  const { todaySummary, loading, refreshToday } = useHealthStore();
+
+  useDidShow(() => {
+    refreshToday();
+  });
+
+  const goToInput = () => {
+    Taro.navigateTo({ url: '/pages/health/input/index' });
+  };
+
+  const goToTrend = (indicator: string) => {
+    Taro.navigateTo({ url: `/pages/health/trend/index?indicator=${indicator}` });
+  };
+
+  const summary = todaySummary || {};
+  const items = [
+    { label: '血压', value: summary.blood_pressure ? `${summary.blood_pressure.systolic}/${summary.blood_pressure.diastolic}` : '--/--', unit: 'mmHg', indicator: 'blood_pressure_systolic', status: summary.blood_pressure?.status },
+    { label: '心率', value: summary.heart_rate ? `${summary.heart_rate.value}` : '--', unit: 'bpm', indicator: 'heart_rate', status: summary.heart_rate?.status },
+    { label: '血糖', value: summary.blood_sugar ? `${summary.blood_sugar.value}` : '--', unit: 'mmol/L', indicator: 'blood_sugar_fasting', status: summary.blood_sugar?.status },
+    { label: '体重', value: summary.weight ? `${summary.weight.value}` : '--', unit: 'kg', indicator: 'weight', status: summary.weight?.status },
+  ];
+
   return (
-    <View className='placeholder-page'>
-      <Text className='placeholder-icon'>📊</Text>
-      <Text className='placeholder-title'>健康数据</Text>
-      <Text className='placeholder-desc'>体征录入、趋势分析</Text>
+    <View className='health-page'>
+      <View className='health-header'>
+        <Text className='health-header-title'>健康数据</Text>
+        <View className='health-header-btn' onClick={goToInput}>
+          <Text className='health-header-btn-text'>+ 录入</Text>
+        </View>
+      </View>
+
+      <View className='health-grid'>
+        {items.map((item) => (
+          <View className='health-card' key={item.label} onClick={() => goToTrend(item.indicator)}>
+            <Text className='health-card-label'>{item.label}</Text>
+            <Text className='health-card-value'>{item.value}</Text>
+            <View className='health-card-bottom'>
+              <Text className='health-card-unit'>{item.unit}</Text>
+              {item.status && <Text className='health-card-status'>{item.status}</Text>}
+            </View>
+          </View>
+        ))}
+      </View>
+
+      <View className='health-actions'>
+        <View className='action-card' onClick={() => goToTrend('blood_pressure_systolic')}>
+          <Text className='action-icon'>📈</Text>
+          <Text className='action-label'>血压趋势</Text>
+        </View>
+        <View className='action-card' onClick={() => goToTrend('heart_rate')}>
+          <Text className='action-icon'>❤️</Text>
+          <Text className='action-label'>心率趋势</Text>
+        </View>
+        <View className='action-card' onClick={() => goToTrend('blood_sugar_fasting')}>
+          <Text className='action-icon'>🩸</Text>
+          <Text className='action-label'>血糖趋势</Text>
+        </View>
+      </View>
     </View>
   );
 }