add

app/lib/main.dart

@@ -0,0 +1,33 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+
+import 'core/storage/local_store.dart';
+import 'core/storage/search_history_store.dart';
+import 'core/theme/app_theme.dart';
+import 'router.dart';
+
+/// App 入口：初始化本地存储 → MaterialApp.router
+Future<void> main() async {
+  WidgetsFlutterBinding.ensureInitialized();
+  // 本地存储初始化（设备指纹在 splash 阶段生成）
+  await LocalStore.init();
+  // 搜索历史（本地，不上报服务端）
+  await SearchHistoryStore.init();
+
+  runApp(const ProviderScope(child: VideoApp()));
+}
+
+class VideoApp extends ConsumerWidget {
+  const VideoApp({super.key});
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final router = ref.watch(routerProvider);
+    return MaterialApp.router(
+      title: '短视频',
+      debugShowCheckedModeBanner: false,
+      theme: AppTheme.dark,
+      routerConfig: router,
+    );
+  }
+}