fix(ui): scroll revealed task into view + stronger selection highlight

src/ClaudeDo.Ui/Design/IslandStyles.axaml

@@ -414,7 +414,7 @@
     <Setter Property="BorderBrush" Value="{StaticResource LineBrightBrush}" />
   </Style>
   <Style Selector="Border.task-row.selected">
-    <Setter Property="BorderBrush"     Value="{StaticResource LineBrightBrush}" />
+    <Setter Property="BorderBrush"     Value="{StaticResource AccentBrush}" />
     <Setter Property="BorderThickness" Value="1" />
   </Style>
 

src/ClaudeDo.Ui/Views/Islands/TasksIslandView.axaml.cs

@@ -1,9 +1,11 @@
+using System.Linq;
 using Avalonia;
 using Avalonia.Controls;
 using Avalonia.Input;
 using Avalonia.Interactivity;
 using Avalonia.Layout;
 using Avalonia.Media;
+using Avalonia.Threading;
 using Avalonia.VisualTree;
 using ClaudeDo.Ui.ViewModels.Islands;
 using ClaudeDo.Ui.ViewModels.Modals;
@@ -36,10 +38,26 @@ public partial class TasksIslandView : UserControl
                     // ShowDialog completes once the window is closed (CloseAction or OS close).
                 };
                 vm.ConfirmAsync = ShowConfirmAsync;
+                vm.SelectionChanged += (_, _) => ScrollSelectedIntoView();
             }
         };
     }
 
+    // Bring the selected row into view — the task list is a plain ItemsControl with no
+    // built-in selection scrolling, so a programmatic select (e.g. Mission Control's
+    // "Open in app") would otherwise highlight a row that stays off-screen.
+    private void ScrollSelectedIntoView()
+    {
+        if (DataContext is not TasksIslandViewModel vm || vm.SelectedTask is not { } target) return;
+        Dispatcher.UIThread.Post(() =>
+        {
+            var match = this.GetVisualDescendants()
+                .OfType<Button>()
+                .FirstOrDefault(b => ReferenceEquals(b.DataContext, target));
+            match?.BringIntoView();
+        }, DispatcherPriority.Background);
+    }
+
     private async System.Threading.Tasks.Task<bool> ShowConfirmAsync(string message)
     {
         var owner = TopLevel.GetTopLevel(this) as Window;