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

store/userSlice.ts

@@ -4,6 +4,52 @@ import AsyncStorage from '@react-native-async-storage/async-storage';
 import { createAsyncThunk, createSelector, createSlice, PayloadAction } from '@reduxjs/toolkit';
 import dayjs from 'dayjs';
 
+// 预加载的用户数据存储
+let preloadedUserData: {
+  token: string | null;
+  profile: UserProfile;
+  privacyAgreed: boolean;
+} | null = null;
+
+// 预加载用户数据的函数
+export async function preloadUserData() {
+  try {
+    const [profileStr, privacyAgreedStr, token] = await Promise.all([
+      AsyncStorage.getItem(STORAGE_KEYS.userProfile),
+      AsyncStorage.getItem(STORAGE_KEYS.privacyAgreed),
+      AsyncStorage.getItem(STORAGE_KEYS.authToken),
+    ]);
+
+    let profile: UserProfile = {};
+    if (profileStr) {
+      try {
+        profile = JSON.parse(profileStr) as UserProfile;
+      } catch {
+        profile = {};
+      }
+    }
+
+    const privacyAgreed = privacyAgreedStr === 'true';
+
+    // 如果有 token，需要设置到 API 客户端
+    if (token) {
+      await setAuthToken(token);
+    }
+
+    preloadedUserData = { token, profile, privacyAgreed };
+    return preloadedUserData;
+  } catch (error) {
+    console.error('预加载用户数据失败:', error);
+    preloadedUserData = { token: null, profile: {}, privacyAgreed: false };
+    return preloadedUserData;
+  }
+}
+
+// 获取预加载的用户数据
+function getPreloadedUserData() {
+  return preloadedUserData || { token: null, profile: {}, privacyAgreed: false };
+}
+
 export type Gender = 'male' | 'female' | '';
 
 export type UserProfile = {
@@ -48,21 +94,27 @@ export type UserState = {
 
 export const DEFAULT_MEMBER_NAME = '小海豹';
 
-const initialState: UserState = {
-  token: null,
-  profile: {
-    name: DEFAULT_MEMBER_NAME,
-    isVip: false,
-    freeUsageCount: 3,
-    maxUsageCount: 5,
-  },
-  loading: false,
-  error: null,
-  privacyAgreed: false,
-  weightHistory: [],
-  activityHistory: [],
+const getInitialState = (): UserState => {
+  const preloaded = getPreloadedUserData();
+  return {
+    token: preloaded.token,
+    profile: {
+      name: DEFAULT_MEMBER_NAME,
+      isVip: false,
+      freeUsageCount: 3,
+      maxUsageCount: 5,
+      ...preloaded.profile, // 合并预加载的用户资料
+    },
+    loading: false,
+    error: null,
+    privacyAgreed: preloaded.privacyAgreed,
+    weightHistory: [],
+    activityHistory: [],
+  };
 };
 
+const initialState: UserState = getInitialState();
+
 export type LoginPayload = Record<string, any> & {
   // 可扩展：用户名密码、Apple 身份、短信验证码等
   username?: string;
@@ -132,6 +184,17 @@ export const login = createAsyncThunk(
   }
 );
 
+// 同步重新hydrate用户数据，避免异步状态更新
+export const rehydrateUserSync = createAsyncThunk('user/rehydrateSync', async () => {
+  // 立即从预加载的数据获取，如果没有则异步获取
+  if (preloadedUserData) {
+    return preloadedUserData;
+  }
+
+  // 如果预加载的数据不存在，则执行正常的异步加载
+  return await preloadUserData();
+});
+
 export const rehydrateUser = createAsyncThunk('user/rehydrate', async () => {
   const [profileStr, privacyAgreedStr, token] = await Promise.all([
     AsyncStorage.getItem(STORAGE_KEYS.userProfile),
@@ -144,12 +207,12 @@ export const rehydrateUser = createAsyncThunk('user/rehydrate', async () => {
     try { profile = JSON.parse(profileStr) as UserProfile; } catch { profile = {}; }
   }
   const privacyAgreed = privacyAgreedStr === 'true';
-  
+
   // 如果有 token，需要设置到 API 客户端
   if (token) {
     await setAuthToken(token);
   }
-  
+
   return { profile, privacyAgreed, token } as { profile: UserProfile; privacyAgreed: boolean; token: string | null };
 });
 
@@ -197,7 +260,6 @@ export const fetchWeightHistory = createAsyncThunk('user/fetchWeightHistory', as
 export const fetchActivityHistory = createAsyncThunk('user/fetchActivityHistory', async (_, { rejectWithValue }) => {
   try {
     const data: ActivityHistoryItem[] = await api.get('/api/users/activity-history');
-    console.log('fetchActivityHistory', data);
     return data;
   } catch (err: any) {
     return rejectWithValue(err?.message ?? '获取用户活动历史记录失败');
@@ -284,6 +346,14 @@ const userSlice = createSlice({
           state.profile.name = DEFAULT_MEMBER_NAME;
         }
       })
+      .addCase(rehydrateUserSync.fulfilled, (state, action) => {
+        state.profile = action.payload.profile;
+        state.privacyAgreed = action.payload.privacyAgreed;
+        state.token = action.payload.token;
+        if (!state.profile?.name || !state.profile.name.trim()) {
+          state.profile.name = DEFAULT_MEMBER_NAME;
+        }
+      })
       .addCase(fetchMyProfile.fulfilled, (state, action) => {
         state.profile = action.payload || {};
         if (!state.profile?.name || !state.profile.name.trim()) {