优化

flutter_monisuo/lib/core/storage/local_storage.dart

@@ -98,4 +98,23 @@ class LocalStorage {
     await removeToken();
     await removeUserInfo();
   }
+
+  // ==================== 引导页状态 ====================
+
+  static const String _onboardingKey = 'onboarding_completed';
+
+  /// 检查是否已完成引导页
+  static bool get isOnboardingCompleted {
+    return getBool(_onboardingKey) ?? false;
+  }
+
+  /// 标记引导页已完成
+  static Future<void> setOnboardingCompleted() async {
+    await setBool(_onboardingKey, true);
+  }
+
+  /// 重置引导页状态（用于测试）
+  static Future<void> resetOnboarding() async {
+    await prefs.remove(_onboardingKey);
+  }
 }