feat:增加hive模块

lib/main.dart

@@ -1,12 +1,28 @@
 import 'package:flisp_app/provider/app_provider.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_localizations/flutter_localizations.dart';
+import 'package:hive_flutter/adapters.dart';
+import 'package:path_provider/path_provider.dart';
 import 'package:provider/provider.dart';
 
 import 'layout/main_screen.dart';
+import 'models/todo.dart';
 import 'provider/todo_provider.dart';
 
-void main() {
+void main() async{
+  WidgetsFlutterBinding.ensureInitialized();
+  // 初始化Hive
+  await Hive.initFlutter();
+
+  // 注册适配器
+  Hive.registerAdapter(TodoAdapter());
+
+  // 打开Box
+  await Hive.openBox<Todo>('todos');
+
+  final appDir = await getApplicationDocumentsDirectory();
+  print('📁 Hive数据库路径: ${appDir.path}');
+
   runApp(const MyApp());
 }