feat: 更新应用名称为“Out Live”，删除推送通知使用指南和喝水记录API修复测试文档，优化饮水设置页面，添加登录状态检查

app/(tabs)/statistics.tsx

@@ -15,7 +15,7 @@ import { useAuthGuard } from '@/hooks/useAuthGuard';
 import { selectHealthDataByDate, setHealthData } from '@/store/healthSlice';
 import { fetchDailyMoodCheckins, selectLatestMoodRecordByDate } from '@/store/moodSlice';
 import { fetchDailyNutritionData, selectNutritionSummaryByDate } from '@/store/nutritionSlice';
-import { fetchTodayWaterStats, selectTodayStats } from '@/store/waterSlice';
+import { fetchTodayWaterStats } from '@/store/waterSlice';
 import { getMonthDaysZh, getTodayIndexInMonth } from '@/utils/date';
 import { ensureHealthPermissions, fetchHealthDataForDate, testHRVDataFetch } from '@/utils/health';
 import { getTestHealthData } from '@/utils/mockHealthData';
@@ -89,8 +89,6 @@ export default function ExploreScreen() {
   // 从 Redux 获取指定日期的健康数据
   const healthData = useAppSelector(selectHealthDataByDate(currentSelectedDateString));
 
-  // 获取今日喝水统计数据
-  const todayWaterStats = useAppSelector(selectTodayStats);
 
   // 解构健康数据（支持mock数据）
   const mockData = useMockData ? getTestHealthData('mock') : null;
@@ -101,7 +99,7 @@ export default function ExploreScreen() {
   const sleepDuration = useMockData ? (mockData?.sleepDuration ?? null) : (healthData?.sleepDuration ?? null);
   const hrvValue = useMockData ? (mockData?.hrv ?? 0) : (healthData?.hrv ?? 0);
   const oxygenSaturation = useMockData ? (mockData?.oxygenSaturation ?? null) : (healthData?.oxygenSaturation ?? null);
-  const heartRate = useMockData ? (mockData?.heartRate ?? null) : (healthData?.heartRate ?? null);
+
   const fitnessRingsData = useMockData ? {
     activeCalories: mockData?.activeCalories ?? 0,
     activeCaloriesGoal: mockData?.activeCaloriesGoal ?? 350,
@@ -455,7 +453,7 @@ export default function ExploreScreen() {
 
             {/* 右边文字区域 */}
             <View style={styles.headerTextContainer}>
-              <Text style={styles.headerTitle}>海豹健康</Text>
+              <Text style={styles.headerTitle}>Out Live</Text>
             </View>
 
             {/* 开发环境调试按钮 */}

app/water-settings.tsx

@@ -1,10 +1,12 @@
 import { Colors } from '@/constants/Colors';
+import { useAuthGuard } from '@/hooks/useAuthGuard';
 import { useColorScheme } from '@/hooks/useColorScheme';
 import { useWaterDataByDate } from '@/hooks/useWaterData';
 import { getQuickWaterAmount, setQuickWaterAmount } from '@/utils/userPreferences';
 import { Ionicons } from '@expo/vector-icons';
 import { Picker } from '@react-native-picker/picker';
 import { Image } from 'expo-image';
+import { LinearGradient } from 'expo-linear-gradient';
 import { router, useLocalSearchParams } from 'expo-router';
 import React, { useEffect, useState } from 'react';
 import {
@@ -32,6 +34,7 @@ const WaterSettings: React.FC<WaterSettingsProps> = () => {
   const { selectedDate } = useLocalSearchParams<{ selectedDate?: string }>();
   const theme = (useColorScheme() ?? 'light') as 'light' | 'dark';
   const colorTokens = Colors[theme];
+  const { ensureLoggedIn } = useAuthGuard();
 
   const [dailyGoal, setDailyGoal] = useState<string>('2000');
   const [quickAddAmount, setQuickAddAmount] = useState<string>('250');
@@ -47,6 +50,19 @@ const WaterSettings: React.FC<WaterSettingsProps> = () => {
   // 使用新的 hook 来处理指定日期的饮水数据
   const { waterRecords, dailyWaterGoal, updateWaterGoal, removeWaterRecord } = useWaterDataByDate(selectedDate);
 
+  // 检查登录状态
+  useEffect(() => {
+    const checkLoginStatus = async () => {
+      const isLoggedIn = await ensureLoggedIn();
+      if (!isLoggedIn) {
+        // 如果未登录，用户会被重定向到登录页面
+        return;
+      }
+    };
+
+    checkLoginStatus();
+  }, [ensureLoggedIn]);
+
   const goalPresets = [1500, 2000, 2500, 3000, 3500, 4000];
   const quickAddPresets = [100, 150, 200, 250, 300, 350, 400, 500];
 
@@ -203,7 +219,19 @@ const WaterSettings: React.FC<WaterSettingsProps> = () => {
   };
 
   return (
-    <View style={[styles.container, { backgroundColor: colorTokens.background }]}>
+    <View style={styles.container}>
+      {/* 背景渐变 */}
+      <LinearGradient
+        colors={['#f5e5fbff', '#e5fcfeff', '#eefdffff', '#e6f6fcff']}
+        style={styles.gradientBackground}
+        start={{ x: 0, y: 0 }}
+        end={{ x: 0, y: 1 }}
+      />
+
+      {/* 装饰性圆圈 */}
+      <View style={styles.decorativeCircle1} />
+      <View style={styles.decorativeCircle2} />
+
       <HeaderBar
         title="饮水设置"
         onBack={() => {
@@ -249,7 +277,7 @@ const WaterSettings: React.FC<WaterSettingsProps> = () => {
               <View style={styles.settingLeft}>
                 <Text style={[styles.settingTitle, { color: colorTokens.text }]}>快速添加默认值</Text>
                 <Text style={[styles.settingSubtitle, { color: colorTokens.textSecondary }]}>
-                  设置点击右上角"+"按钮时添加的默认饮水量
+                  {`设置点击右上角"+"按钮时添加的默认饮水量`}
                 </Text>
                 <Text style={[styles.settingValue, { color: colorTokens.textSecondary }]}>{quickAddAmount}ml</Text>
               </View>
@@ -382,6 +410,33 @@ const styles = StyleSheet.create({
   container: {
     flex: 1,
   },
+  gradientBackground: {
+    position: 'absolute',
+    left: 0,
+    right: 0,
+    top: 0,
+    bottom: 0,
+  },
+  decorativeCircle1: {
+    position: 'absolute',
+    top: 40,
+    right: 20,
+    width: 60,
+    height: 60,
+    borderRadius: 30,
+    backgroundColor: '#0EA5E9',
+    opacity: 0.1,
+  },
+  decorativeCircle2: {
+    position: 'absolute',
+    bottom: -15,
+    left: -15,
+    width: 40,
+    height: 40,
+    borderRadius: 20,
+    backgroundColor: '#0EA5E9',
+    opacity: 0.05,
+  },
   keyboardAvoidingView: {
     flex: 1,
   },
@@ -395,19 +450,19 @@ const styles = StyleSheet.create({
     marginBottom: 32,
   },
   sectionTitle: {
-    fontSize: 20,
-    fontWeight: '600',
+    fontSize: 16,
+    fontWeight: '500',
     marginBottom: 20,
     letterSpacing: -0.5,
   },
   subsectionTitle: {
-    fontSize: 16,
+    fontSize: 14,
     fontWeight: '500',
     marginBottom: 12,
     letterSpacing: -0.3,
   },
   sectionSubtitle: {
-    fontSize: 14,
+    fontSize: 12,
     fontWeight: '400',
     lineHeight: 18,
   },
@@ -582,15 +637,18 @@ const styles = StyleSheet.create({
     alignItems: 'center',
     justifyContent: 'center',
     paddingVertical: 40,
-    gap: 12,
+    gap: 16,
   },
   noRecordsText: {
-    fontSize: 16,
-    fontWeight: '600',
+    fontSize: 15,
+    fontWeight: '500',
+    lineHeight: 20,
   },
   noRecordsSubText: {
-    fontSize: 14,
+    fontSize: 13,
     textAlign: 'center',
+    lineHeight: 18,
+    opacity: 0.7,
   },
   modalBackdrop: {
     ...StyleSheet.absoluteFillObject,