feat(ui): 更新应用品牌名称为 Out Live 并优化睡眠详情页默认数据展示

- 将 Sealife 更名为 Out Live（登录页、隐私弹窗）
- 睡眠详情页无数据时显示 "--" 替代固定默认值
- 移除睡眠阶段卡片中的质量标签与总览徽章
- 修复体重历史卡片依赖监听字段与跳转路由
- 调整喝水提醒后台任务时间范围为 8-21 点
- 标签栏按钮新增 activeOpacity=1 禁用点击透明度变化

app/(tabs)/_layout.tsx

@@ -61,6 +61,7 @@ export default function TabLayout() {
       <TouchableOpacity
         onPress={handlePress}
         accessibilityRole="button"
+        activeOpacity={1}
         style={{
           flex: 1,
           alignItems: 'center',

app/auth/login.tsx

@@ -223,8 +223,8 @@ export default function LoginScreen() {
 
         <ScrollView contentContainerStyle={styles.content} showsVerticalScrollIndicator={false}>
           <View style={styles.headerWrap}>
-            <ThemedText style={[styles.title, { color: color.text }]}>Sealife</ThemedText>
-            <ThemedText style={[styles.subtitle, { color: color.textMuted }]}>欢迎登录Sealife</ThemedText>
+            <ThemedText style={[styles.title, { color: color.text }]}>Out Live</ThemedText>
+            <ThemedText style={[styles.subtitle, { color: color.textMuted }]}>欢迎登录Out Live</ThemedText>
           </View>
 
           {/* Apple 登录 */}

app/sleep-detail.tsx

@@ -1,3 +1,4 @@
+import { ThemedView } from '@/components/ThemedView';
 import {
   fetchCompleteSleepData,
   formatSleepTime,
@@ -18,7 +19,6 @@ import {
   TouchableOpacity,
   View
 } from 'react-native';
-import { ThemedView } from '@/components/ThemedView';
 
 import { InfoModal, type SleepDetailData } from '@/components/sleep/InfoModal';
 import { SleepStagesInfoModal } from '@/components/sleep/SleepStagesInfoModal';
@@ -38,7 +38,7 @@ export default function SleepDetailScreen() {
   const colorTokens = Colors[theme];
   const [sleepData, setSleepData] = useState<CompleteSleepData | null>(null);
   const [loading, setLoading] = useState(true);
-  
+
   // 从导航参数获取日期，如果没有则使用今天
   const { date: dateParam } = useLocalSearchParams<{ date?: string }>();
   const [selectedDate] = useState(() => {
@@ -162,11 +162,9 @@ export default function SleepDetailScreen() {
               </TouchableOpacity>
             </View>
             <Text style={[styles.newStatValue, { color: colorTokens.text }]}>
-              {displayData.totalSleepTime > 0 ? formatSleepTime(displayData.totalSleepTime) : '7h 23m'}
+              {displayData.totalSleepTime > 0 ? formatSleepTime(displayData.totalSleepTime) : '--'}
             </Text>
-            <View style={[styles.qualityBadge, styles.goodQualityBadge]}>
-              <Text style={[styles.qualityBadgeText, styles.goodQualityText]}>✓ 良好</Text>
-            </View>
+
           </View>
 
           <View style={[styles.newStatCard, { backgroundColor: colorTokens.background }]}>
@@ -189,11 +187,8 @@ export default function SleepDetailScreen() {
               </TouchableOpacity>
             </View>
             <Text style={[styles.newStatValue, { color: colorTokens.text }]}>
-              {displayData.sleepQualityPercentage > 0 ? `${displayData.sleepQualityPercentage}%` : '94%'}
+              {displayData.sleepQualityPercentage > 0 ? `${displayData.sleepQualityPercentage}%` : '--%'}
             </Text>
-            <View style={[styles.qualityBadge, styles.excellentQualityBadge]}>
-              <Text style={[styles.qualityBadgeText, styles.excellentQualityText]}>★ 优秀</Text>
-            </View>
           </View>
         </View>
 
@@ -228,10 +223,10 @@ export default function SleepDetailScreen() {
             } else {
               // 使用默认数据
               stagesToDisplay = [
-                { stage: SleepStage.Awake, duration: 3, percentage: 1, quality: 'good' as any },
-                { stage: SleepStage.REM, duration: 89, percentage: 20, quality: 'good' as any },
-                { stage: SleepStage.Core, duration: 295, percentage: 67, quality: 'good' as any },
-                { stage: SleepStage.Deep, duration: 51, percentage: 12, quality: 'poor' as any }
+                { stage: SleepStage.Awake, duration: 0, percentage: 0, quality: 'good' as any },
+                { stage: SleepStage.REM, duration: 0, percentage: 0, quality: 'good' as any },
+                { stage: SleepStage.Core, duration: 0, percentage: 0, quality: 'good' as any },
+                { stage: SleepStage.Deep, duration: 0, percentage: 0, quality: 'poor' as any }
               ];
             }
             return stagesToDisplay;
@@ -269,11 +264,6 @@ export default function SleepDetailScreen() {
                 <Text style={[styles.stageCardPercentage, { color: colorTokens.textSecondary }]}>
                   占总体睡眠的 {stageData.percentage}%
                 </Text>
-                <View style={[styles.stageCardQuality, { backgroundColor: qualityInfo.bgColor }]}>
-                  <Text style={[styles.stageCardQualityText, { color: qualityInfo.color }]}>
-                    {qualityInfo.text}
-                  </Text>
-                </View>
               </View>
             );
           })}