feat(auth): 预加载用户数据并优化登录状态同步

- 在启动屏预加载用户 token 与资料，避免首页白屏
- 新增 rehydrateUserSync 同步注入 Redux，减少异步等待
- 登录页兼容 ERR_REQUEST_CANCELED 取消场景
- 各页面统一依赖 isLoggedIn 判断，移除冗余控制台日志
- 步数卡片与详情页改为实时拉取健康数据，不再缓存至 Redux
- 后台任务注册移至顶层，防止重复定义
- 体重记录、HeaderBar 等 UI 细节样式微调

app/(tabs)/goals.tsx

@@ -46,6 +46,7 @@ export default function GoalsScreen() {
     skipError,
   } = useAppSelector((state) => state.tasks);
 
+
   const {
     createLoading,
     createError
@@ -67,13 +68,13 @@ export default function GoalsScreen() {
   // 页面聚焦时重新加载数据
   useFocusEffect(
     useCallback(() => {
-      console.log('useFocusEffect - loading tasks');
+      console.log('useFocusEffect - loading tasks isLoggedIn', isLoggedIn);
 
       if (isLoggedIn) {
         loadTasks();
         checkAndShowGuide();
       }
-    }, [dispatch])
+    }, [dispatch, isLoggedIn])
   );
 
   // 检查并显示用户引导
@@ -94,6 +95,7 @@ export default function GoalsScreen() {
   // 加载任务列表
   const loadTasks = async () => {
     try {
+
       await dispatch(fetchTasks({
         startDate: dayjs().startOf('day').toISOString(),
         endDate: dayjs().endOf('day').toISOString(),

app/(tabs)/personal.tsx

@@ -46,6 +46,7 @@ export default function PersonalScreen() {
   // 直接使用 Redux 中的用户信息，避免重复状态管理
   const userProfile = useAppSelector((state) => state.user.profile);
 
+
   // 页面聚焦时获取最新用户信息
   useFocusEffect(
     React.useCallback(() => {

app/(tabs)/statistics.tsx

@@ -88,8 +88,6 @@ export default function ExploreScreen() {
 
   // 解构健康数据（支持mock数据）
   const mockData = useMockData ? getTestHealthData('mock') : null;
-  const stepCount: number | null = useMockData ? (mockData?.steps ?? null) : (healthData?.steps ?? null);
-  const hourlySteps = useMockData ? (mockData?.hourlySteps ?? []) : (healthData?.hourlySteps ?? []);
   const activeCalories = useMockData ? (mockData?.activeEnergyBurned ?? null) : (healthData?.activeEnergyBurned ?? null);
   const basalMetabolism: number | null = useMockData ? (mockData?.basalEnergyBurned ?? null) : (healthData?.basalEnergyBurned ?? null);
 
@@ -271,7 +269,6 @@ export default function ExploreScreen() {
         dispatch(setHealthData({
           date: dateString,
           data: {
-            steps: data.steps,
             activeCalories: data.activeEnergyBurned,
             basalEnergyBurned: data.basalEnergyBurned,
             hrv: data.hrv,
@@ -283,7 +280,6 @@ export default function ExploreScreen() {
             exerciseMinutesGoal: data.exerciseMinutesGoal,
             standHours: data.standHours,
             standHoursGoal: data.standHoursGoal,
-            hourlySteps: data.hourlySteps,
           }
         }));
 
@@ -541,11 +537,9 @@ export default function ExploreScreen() {
 
             <FloatingCard style={styles.masonryCard}>
               <StepsCard
-                stepCount={stepCount}
+                curDate={currentSelectedDate}
                 stepGoal={stepGoal}
-                hourlySteps={hourlySteps}
                 style={styles.stepsCardOverride}
-                onPress={() => pushIfAuthedElseLogin('/steps/detail')}
               />
             </FloatingCard>