完成录制功能

lib/features/demo/demo_page.dart

@@ -1,7 +1,9 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:flutter_template/app/config/app_config.dart';
 import 'package:flutter_template/app/theme/app_theme.dart';
 import 'package:flutter_template/features/demo/demo_controller.dart';
+import 'package:flutter_template/features/recording/recording_page.dart';
 import 'package:flutter_template/shared/widgets/widgets.dart';
 
 class DemoPage extends ConsumerWidget {
@@ -13,7 +15,7 @@ class DemoPage extends ConsumerWidget {
     final controller = ref.read(demoControllerProvider.notifier);
 
     return Scaffold(
-      appBar: AppBar(title: const Text('Flutter Template')),
+      appBar: AppBar(title: const Text(AppConfig.appName)),
       body: SafeAreaWrapper(
         child: ListView(
           padding: const EdgeInsets.all(AppSpacing.lg),
@@ -85,6 +87,18 @@ class DemoPage extends ConsumerWidget {
               ),
             ),
             const SizedBox(height: AppSpacing.lg),
+            AppButton(
+              label: '打开录制',
+              icon: const Icon(Icons.videocam, size: 18),
+              onPressed: () {
+                Navigator.of(context).push(
+                  MaterialPageRoute<void>(
+                    builder: (_) => const RecordingPage(),
+                  ),
+                );
+              },
+            ),
+            const SizedBox(height: AppSpacing.lg),
             AppStatusView(
               status: AppViewStatus.empty,
               empty: AppEmptyView(