diff --git a/src/ClaudeDo.Ui/ViewModels/Islands/TasksIslandViewModel.cs b/src/ClaudeDo.Ui/ViewModels/Islands/TasksIslandViewModel.cs
index 2a554036..c95079ba 100644
--- a/src/ClaudeDo.Ui/ViewModels/Islands/TasksIslandViewModel.cs
+++ b/src/ClaudeDo.Ui/ViewModels/Islands/TasksIslandViewModel.cs
@@ -808,7 +808,8 @@ public sealed partial class TasksIslandViewModel : ViewModelBase, IDisposable
         var running = Items.Count(i => i.Status == TaskStatus.Running);
         var review  = Items.Count(i => i.Status == TaskStatus.Done && i.Branch != null);
 
-        Subtitle = open == 1 ? "1 open task" : $"{open} open tasks";
+        // The notes list holds no tasks — an "0 open tasks" line under its header is just noise.
+        Subtitle = IsNotesList ? "" : open == 1 ? "1 open task" : $"{open} open tasks";
 
         if (running > 0 || review > 0)
         {
diff --git a/src/ClaudeDo.Ui/ViewModels/IslandsShellViewModel.cs b/src/ClaudeDo.Ui/ViewModels/IslandsShellViewModel.cs
index dceb7389..ea21b950 100644
--- a/src/ClaudeDo.Ui/ViewModels/IslandsShellViewModel.cs
+++ b/src/ClaudeDo.Ui/ViewModels/IslandsShellViewModel.cs
@@ -145,7 +145,14 @@ public sealed partial class IslandsShellViewModel : ViewModelBase, IDisposable
     [ObservableProperty]
     private bool _isWorkerLogVisible;
 
-    public bool ShowDetails => WindowWidth >= 1100;
+    /// <summary>The notes list has nothing to show a detail pane for, so the pane goes away and
+    /// the editor takes the space instead of leaving an empty column beside it.</summary>
+    public bool ShowDetails => WindowWidth >= 1100 && Tasks?.IsNotesList != true;
+
+    /// <summary>Widens the tasks island over the splitter and the details column when that column
+    /// is hidden — a fixed-width ColumnDefinition keeps its space even with an invisible child.</summary>
+    public int TasksColumnSpan => ShowDetails ? 1 : 3;
+
     public bool ShowLists => WindowWidth >= 780;
 
     private readonly System.Timers.Timer _clearTimer = new(30_000) { AutoReset = false };
@@ -168,10 +175,16 @@ public sealed partial class IslandsShellViewModel : ViewModelBase, IDisposable
 
     partial void OnWindowWidthChanged(double value)
     {
-        OnPropertyChanged(nameof(ShowDetails));
+        NotifyDetailsVisibility();
         OnPropertyChanged(nameof(ShowLists));
     }
 
+    private void NotifyDetailsVisibility()
+    {
+        OnPropertyChanged(nameof(ShowDetails));
+        OnPropertyChanged(nameof(TasksColumnSpan));
+    }
+
     public void OnWorkerLogReceived(WorkerLogEntry entry)
     {
         var hhmm = entry.TimestampUtc.ToLocalTime().ToString("HH:mm");
@@ -341,6 +354,10 @@ public sealed partial class IslandsShellViewModel : ViewModelBase, IDisposable
         Lists.SelectionChanged += (_, _) => _ = RefreshStaleWorkerCheckAsync();
         Tasks.SelectionChanged += (_, _) => Details.Bind(Tasks.SelectedTask, Tasks.SelectionSource);
         Tasks.PrepRequested += () => Details.ShowPrep();
+        Tasks.PropertyChanged += (_, e) =>
+        {
+            if (e.PropertyName == nameof(TasksIslandViewModel.IsNotesList)) NotifyDetailsVisibility();
+        };
         Tasks.ErrorReported += FlashFooterError;
         Lists.ErrorReported += FlashFooterError;
         Lists.SuccessReported += FlashFooterSuccess;
diff --git a/src/ClaudeDo.Ui/Views/Islands/NotesEditorView.axaml b/src/ClaudeDo.Ui/Views/Islands/NotesEditorView.axaml
index 5f14cce7..1fa35a61 100644
--- a/src/ClaudeDo.Ui/Views/Islands/NotesEditorView.axaml
+++ b/src/ClaudeDo.Ui/Views/Islands/NotesEditorView.axaml
@@ -13,8 +13,6 @@
       <Setter Property="BorderThickness" Value="0"/>
       <Setter Property="Padding" Value="4,3"/>
       <Setter Property="MinHeight" Value="0"/>
-      <Setter Property="AcceptsReturn" Value="True"/>
-      <Setter Property="TextWrapping" Value="Wrap"/>
     </Style>
     <Style Selector="TextBox.note /template/ Border#PART_BorderElement">
       <Setter Property="Background" Value="Transparent"/>
@@ -77,8 +75,13 @@
                   <Ellipse Grid.Column="0" Width="4" Height="4" Margin="0,0,10,0"
                            VerticalAlignment="Center"
                            Fill="{DynamicResource TextFaintBrush}"/>
+                  <!-- AcceptsReturn/TextWrapping are set here, not in the style above: TextBox
+                       reads AcceptsReturn in its own OnKeyDown, which runs before any handler a
+                       style or the XAML could attach. Enter is intercepted in the tunnel phase
+                       (see code-behind) so the split still wins over the newline. -->
                   <TextBox Grid.Column="1" Classes="note" Text="{Binding Text, Mode=TwoWay}"
-                           LostFocus="OnBulletLostFocus" KeyDown="OnBulletKeyDown"/>
+                           AcceptsReturn="True" TextWrapping="Wrap"
+                           LostFocus="OnBulletLostFocus"/>
                   <PathIcon Grid.Column="2" Width="12" Height="12" Margin="6,0"
                             VerticalAlignment="Center"
                             IsVisible="{Binding FromAgent}"
diff --git a/src/ClaudeDo.Ui/Views/Islands/NotesEditorView.axaml.cs b/src/ClaudeDo.Ui/Views/Islands/NotesEditorView.axaml.cs
index 6131d445..e53bf237 100644
--- a/src/ClaudeDo.Ui/Views/Islands/NotesEditorView.axaml.cs
+++ b/src/ClaudeDo.Ui/Views/Islands/NotesEditorView.axaml.cs
@@ -15,6 +15,10 @@ public partial class NotesEditorView : UserControl
     {
         InitializeComponent();
         DataContextChanged += OnDataContextChanged;
+        // Tunnel, not bubble: with AcceptsReturn on, TextBox.OnKeyDown consumes Enter (any
+        // modifier) before a bubbling handler ever sees it. Taking Enter in the tunnel phase
+        // keeps the split chain, and letting Shift+Enter through leaves the newline to the box.
+        AddHandler(KeyDownEvent, OnBulletKeyDown, RoutingStrategies.Tunnel);
     }
 
     private void OnDataContextChanged(object? sender, EventArgs e)
@@ -33,7 +37,9 @@ public partial class NotesEditorView : UserControl
 
     private void OnBulletKeyDown(object? sender, KeyEventArgs e)
     {
-        if (sender is not TextBox { DataContext: NoteBulletViewModel bullet } box
+        // Source, not sender: the tunnel handler is attached to the whole view, so this also sees
+        // keys from the capture box at the top — which has no bullet behind it and is skipped.
+        if (e.Source is not TextBox { DataContext: NoteBulletViewModel bullet } box
             || DataContext is not NotesEditorViewModel vm) return;
 
         // Shift+Enter falls through to the TextBox and breaks the line — a note can be several.
diff --git a/src/ClaudeDo.Ui/Views/Islands/TasksIslandView.axaml b/src/ClaudeDo.Ui/Views/Islands/TasksIslandView.axaml
index d9a8fe58..37b499d7 100644
--- a/src/ClaudeDo.Ui/Views/Islands/TasksIslandView.axaml
+++ b/src/ClaudeDo.Ui/Views/Islands/TasksIslandView.axaml
@@ -31,6 +31,7 @@
             <TextBlock Text="{Binding StatusPill}"/>
           </Border>
           <Button Classes="icon-btn" Classes.active="{Binding IsShowingCompleted}"
+                  IsVisible="{Binding !IsNotesList}"
                   Command="{Binding ToggleShowCompletedCommand}"
                   ToolTip.Tip="{loc:Tr tasks.showCompletedTip}">
             <PathIcon Width="15" Height="15" Data="{StaticResource Icon.Eye}"/>
@@ -60,7 +61,8 @@
               <Path Classes="icon-stroke" Data="{StaticResource Icon.PlanDay}"/>
             </Viewbox>
           </Button>
-          <Button Classes="icon-btn" Command="{Binding OpenListSettingsCommand}" ToolTip.Tip="{loc:Tr tasks.listSettingsTip}">
+          <Button Classes="icon-btn" IsVisible="{Binding !IsNotesList}"
+                  Command="{Binding OpenListSettingsCommand}" ToolTip.Tip="{loc:Tr tasks.listSettingsTip}">
             <PathIcon Width="15" Height="15" Data="{StaticResource Icon.Settings}"/>
           </Button>
         </StackPanel>
diff --git a/src/ClaudeDo.Ui/Views/MainWindow.axaml b/src/ClaudeDo.Ui/Views/MainWindow.axaml
index b366b6b3..692860df 100644
--- a/src/ClaudeDo.Ui/Views/MainWindow.axaml
+++ b/src/ClaudeDo.Ui/Views/MainWindow.axaml
@@ -144,7 +144,7 @@
                     ResizeDirection="Columns"
                     ResizeBehavior="PreviousAndNext"/>
 
-      <Border Grid.Column="2" Classes="island" Margin="3">
+      <Border Grid.Column="2" Grid.ColumnSpan="{Binding TasksColumnSpan}" Classes="island" Margin="3">
         <islands:TasksIslandView DataContext="{Binding Tasks}"/>
       </Border>