feat(fasting): 重构断食通知系统并增强可靠性

- 新增 useFastingNotifications hook 统一管理通知状态和同步逻辑
- 实现四阶段通知提醒：开始前30分钟、开始时、结束前30分钟、结束时
- 添加通知验证机制，确保通知正确设置和避免重复
- 新增 NotificationErrorAlert 组件显示通知错误并提供重试选项
- 实现断食计划持久化存储，应用重启后自动恢复
- 添加开发者测试面板用于验证通知系统可靠性
- 优化通知同步策略，支持选择性更新减少不必要的操作
- 修复个人页面编辑按钮样式问题
- 更新应用版本号至 1.0.18

components/ui/NotificationErrorAlert.tsx

@@ -0,0 +1,81 @@
+import React from 'react';
+import { StyleSheet, Text, TouchableOpacity, View } from 'react-native';
+
+interface NotificationErrorAlertProps {
+  error: string | null;
+  onRetry?: () => void;
+  onDismiss?: () => void;
+}
+
+export const NotificationErrorAlert: React.FC<NotificationErrorAlertProps> = ({
+  error,
+  onRetry,
+  onDismiss,
+}) => {
+  if (!error) return null;
+
+  return (
+    <View style={styles.container}>
+      <View style={styles.content}>
+        <Text style={styles.title}>通知提醒</Text>
+        <Text style={styles.message}>{error}</Text>
+        <View style={styles.actions}>
+          {onRetry && (
+            <TouchableOpacity style={styles.button} onPress={onRetry}>
+              <Text style={styles.buttonText}>重试</Text>
+            </TouchableOpacity>
+          )}
+          {onDismiss && (
+            <TouchableOpacity style={[styles.button, styles.dismissButton]} onPress={onDismiss}>
+              <Text style={styles.buttonText}>忽略</Text>
+            </TouchableOpacity>
+          )}
+        </View>
+      </View>
+    </View>
+  );
+};
+
+const styles = StyleSheet.create({
+  container: {
+    backgroundColor: '#FEF2F2',
+    borderLeftWidth: 4,
+    borderLeftColor: '#EF4444',
+    marginHorizontal: 20,
+    marginVertical: 8,
+    borderRadius: 8,
+  },
+  content: {
+    padding: 12,
+  },
+  title: {
+    fontSize: 14,
+    fontWeight: '600',
+    color: '#DC2626',
+    marginBottom: 4,
+  },
+  message: {
+    fontSize: 13,
+    color: '#7F1D1D',
+    marginBottom: 8,
+    lineHeight: 18,
+  },
+  actions: {
+    flexDirection: 'row',
+    gap: 8,
+  },
+  button: {
+    paddingHorizontal: 12,
+    paddingVertical: 6,
+    backgroundColor: '#DC2626',
+    borderRadius: 6,
+  },
+  dismissButton: {
+    backgroundColor: '#9CA3AF',
+  },
+  buttonText: {
+    fontSize: 12,
+    fontWeight: '500',
+    color: '#FFFFFF',
+  },
+});