feat: 更新健康数据权限描述，添加HRV数据获取测试功能，优化后台任务配置，调整压力计显示单位

app/(tabs)/statistics.tsx

@@ -17,7 +17,7 @@ import { fetchDailyMoodCheckins, selectLatestMoodRecordByDate } from '@/store/mo
 import { fetchDailyNutritionData, selectNutritionSummaryByDate } from '@/store/nutritionSlice';
 import { fetchTodayWaterStats, selectTodayStats } from '@/store/waterSlice';
 import { getMonthDaysZh, getTodayIndexInMonth } from '@/utils/date';
-import { ensureHealthPermissions, fetchHealthDataForDate } from '@/utils/health';
+import { ensureHealthPermissions, fetchHealthDataForDate, testHRVDataFetch } from '@/utils/health';
 import { getTestHealthData } from '@/utils/mockHealthData';
 import { calculateNutritionGoals } from '@/utils/nutrition';
 import { useBottomTabBarHeight } from '@react-navigation/bottom-tabs';
@@ -460,15 +460,27 @@ export default function ExploreScreen() {
 
             {/* 开发环境调试按钮 */}
             {__DEV__ && (
-              <TouchableOpacity
-                style={styles.debugButton}
-                onPress={async () => {
-                  console.log('🔧 手动触发后台任务测试...');
-                  // await backgroundTaskManager.triggerTaskForTesting();
-                }}
-              >
-                <Text style={styles.debugButtonText}>🔧</Text>
-              </TouchableOpacity>
+              <View style={styles.debugButtonsContainer}>
+                <TouchableOpacity
+                  style={styles.debugButton}
+                  onPress={async () => {
+                    console.log('🔧 手动触发后台任务测试...');
+                    // await backgroundTaskManager.triggerTaskForTesting();
+                  }}
+                >
+                  <Text style={styles.debugButtonText}>🔧</Text>
+                </TouchableOpacity>
+
+                <TouchableOpacity
+                  style={[styles.debugButton, styles.hrvTestButton]}
+                  onPress={async () => {
+                    console.log('🫀 测试HRV数据获取...');
+                    await testHRVDataFetch();
+                  }}
+                >
+                  <Text style={styles.debugButtonText}>🫀</Text>
+                </TouchableOpacity>
+              </View>
             )}
           </View>
         </View>
@@ -665,6 +677,10 @@ const styles = StyleSheet.create({
     fontWeight: '500',
     color: '#192126',
   },
+  debugButtonsContainer: {
+    flexDirection: 'row',
+    gap: 8,
+  },
   debugButton: {
     width: 32,
     height: 32,
@@ -681,6 +697,9 @@ const styles = StyleSheet.create({
     shadowRadius: 4,
     elevation: 3,
   },
+  hrvTestButton: {
+    backgroundColor: '#8B5CF6',
+  },
   debugButtonText: {
     fontSize: 12,
   },