feat(flutter): 增加关键操作震动反馈

lib/pages/auth/auth_view.dart

@@ -1,10 +1,13 @@
 // Author: fruit.com.cn
 
+import 'dart:async';
+
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 
 import '../../core/data/remote/api_client.dart';
 import '../../core/data/services/auth_controller.dart';
+import '../../core/platform/haptics.dart';
 import '../../core/theme/app_colors.dart';
 import '../../core/theme/app_theme.dart';
 import '../../l10n/app_localizations.dart';
@@ -71,6 +74,7 @@ class _AuthPageState extends State<AuthPage> {
       setState(() => _logic.errorMessage = _errorText(l10n, invalid));
       return;
     }
+    unawaited(context.read<Haptics>().lightImpact());
     FocusScope.of(context).unfocus();
     setState(() {
       _logic.busy = true;