fix(share): 修复备份导入弹窗Radio组件编译错误

Author: GlowLED

lib/features/share/presentation/widgets/backup_overview_dialog.dart

@@ -68,25 +68,27 @@ class _BackupOverviewDialogState extends State<BackupOverviewDialog> {
               ),
             ),
             const SizedBox(height: 8),
-            RadioGroup<bool>(
-              groupValue: _isMerge,
-              onChanged: (value) {
-                if (value != null) setState(() => _isMerge = value);
-              },
-              child: Column(
-                children: [
-                  _RadioOption<bool>(
-                    title: l10n.mergeStrategy,
-                    subtitle: l10n.mergeStrategyDesc,
-                    value: true,
-                  ),
-                  _RadioOption<bool>(
-                    title: l10n.overwriteStrategy,
-                    subtitle: l10n.overwriteStrategyDesc,
-                    value: false,
-                  ),
-                ],
-              ),
+            Column(
+              children: [
+                _RadioOption<bool>(
+                  title: l10n.mergeStrategy,
+                  subtitle: l10n.mergeStrategyDesc,
+                  value: true,
+                  groupValue: _isMerge,
+                  onChanged: (value) {
+                    if (value != null) setState(() => _isMerge = value);
+                  },
+                ),
+                _RadioOption<bool>(
+                  title: l10n.overwriteStrategy,
+                  subtitle: l10n.overwriteStrategyDesc,
+                  value: false,
+                  groupValue: _isMerge,
+                  onChanged: (value) {
+                    if (value != null) setState(() => _isMerge = value);
+                  },
+                ),
+              ],
             ),
           ],
         ),
@@ -171,11 +173,15 @@ class _RadioOption<T> extends StatelessWidget {
     required this.title,
     required this.subtitle,
     required this.value,
+    required this.groupValue,
+    required this.onChanged,
   });
 
   final String title;
   final String subtitle;
   final T value;
+  final T groupValue;
+  final ValueChanged<T?> onChanged;
 
   @override
   Widget build(BuildContext context) {
@@ -184,8 +190,10 @@ class _RadioOption<T> extends StatelessWidget {
       subtitle: Text(subtitle),
       leading: Radio<T>(
         value: value,
+        groupValue: groupValue,
+        onChanged: onChanged,
       ),
-      onTap: () {},
+      onTap: () => onChanged(value),
       contentPadding: EdgeInsets.zero,
     );
   }