feat(ui): wire layer A/B conflict seams to the inline resolver

src/ClaudeDo.Ui/Views/MainWindow.axaml.cs

@@ -81,6 +81,10 @@ public partial class MainWindow : Window
                     var mergeDlg = new MergeModalView { DataContext = mergeVm };
                     await mergeDlg.ShowDialog(this);
                 };
+                modal.RequestConflictResolution = (taskId, target) =>
+                    DataContext is IslandsShellViewModel s
+                        ? s.RequestConflictResolutionAsync(taskId, target)
+                        : System.Threading.Tasks.Task.CompletedTask;
                 await dlg.ShowDialog(this);
             };
             vm.ShowRepoImportModal = async (modal) =>