feat(ui): open Settings from the Mission Control header

src/ClaudeDo.Localization/locales/de.json

@@ -240,7 +240,8 @@
     "redock": "Andocken",
     "windowTitle": "Mission Control",
     "clearFinished": "Erledigte entfernen",
-    "empty": "Keine laufenden Aufgaben"
+    "empty": "Keine laufenden Aufgaben",
+    "settings": "Einstellungen"
   },
   "modals": {
     "logVisualizer": {

src/ClaudeDo.Localization/locales/en.json

@@ -240,7 +240,8 @@
     "redock": "Re-dock",
     "windowTitle": "Mission Control",
     "clearFinished": "Clear finished",
-    "empty": "No running tasks"
+    "empty": "No running tasks",
+    "settings": "Settings"
   },
   "modals": {
     "logVisualizer": {

src/ClaudeDo.Ui/ViewModels/IslandsShellViewModel.cs

@@ -214,6 +214,7 @@ public sealed partial class IslandsShellViewModel : ViewModelBase, IDisposable
         MissionControl = missionControl;
         MissionControl.OpenInApp = id => _ = RevealTaskAsync(id);
         MissionControl.ShowDetached = (monitor, reDock) => Dialogs?.ShowDetachedMonitor(monitor, reDock);
+        MissionControl.OpenSettingsRequested = () => Lists.OpenSettingsCommand.Execute(null);
         _updateCheck = updateCheck;
         _installerLocator = installerLocator;
         _workerLocator = workerLocator;

src/ClaudeDo.Ui/ViewModels/MissionControlViewModel.cs

@@ -37,6 +37,9 @@ public sealed partial class MissionControlViewModel : ViewModelBase, IDisposable
     // invoked when that window closes.
     public Action<TaskMonitorViewModel, Action>? ShowDetached { get; set; }
 
+    // View-layer seam: open the app Settings modal from the Mission Control window.
+    public Action? OpenSettingsRequested { get; set; }
+
     public bool HasMonitors => Monitors.Count > 0;
 
     public MissionControlViewModel(IDbContextFactory<ClaudeDoDbContext> dbFactory, IWorkerClient worker)
@@ -115,6 +118,9 @@ public sealed partial class MissionControlViewModel : ViewModelBase, IDisposable
         }
     }
 
+    [RelayCommand]
+    private void OpenSettings() => OpenSettingsRequested?.Invoke();
+
     public void MoveMonitor(TaskMonitorViewModel dragged, TaskMonitorViewModel target)
     {
         if (ReferenceEquals(dragged, target)) return;

src/ClaudeDo.Ui/Views/MissionControl/MissionControlView.axaml

@@ -18,9 +18,18 @@
                    Text="{loc:Tr missionControl.windowTitle}"
                    Foreground="{DynamicResource TextBrush}"
                    LetterSpacing="1.4" VerticalAlignment="Center" />
-        <Button Grid.Column="1" Classes="btn"
-                Content="{loc:Tr missionControl.clearFinished}"
-                Command="{Binding ClearFinishedCommand}" />
+        <StackPanel Grid.Column="1" Orientation="Horizontal" Spacing="8"
+                    VerticalAlignment="Center">
+          <Button Classes="icon-btn"
+                  Command="{Binding OpenSettingsCommand}"
+                  ToolTip.Tip="{loc:Tr missionControl.settings}">
+            <PathIcon Data="{StaticResource Icon.Settings}" Width="15" Height="15"
+                      Foreground="{DynamicResource TextMuteBrush}"/>
+          </Button>
+          <Button Classes="btn"
+                  Content="{loc:Tr missionControl.clearFinished}"
+                  Command="{Binding ClearFinishedCommand}" />
+        </StackPanel>
       </Grid>
     </Border>
 

src/ClaudeDo.Ui/Views/WindowDialogService.cs

@@ -1,7 +1,9 @@
 using System;
+using System.Linq;
 using System.Threading.Tasks;
 using Avalonia;
 using Avalonia.Controls;
+using Avalonia.Controls.ApplicationLifetimes;
 using Avalonia.Layout;
 using Avalonia.Media;
 using ClaudeDo.Ui.Services;
@@ -31,6 +33,18 @@ public sealed class WindowDialogService : IDialogService
 
     private IslandsShellViewModel? Shell => _owner.DataContext as IslandsShellViewModel;
 
+    // Own modals to the window the user is actually looking at (e.g. the Mission Control
+    // window when Settings is opened from there), falling back to the main window.
+    private Window ActiveOwner()
+    {
+        if (Application.Current?.ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
+        {
+            var active = desktop.Windows.FirstOrDefault(w => w.IsActive);
+            if (active is not null) return active;
+        }
+        return _owner;
+    }
+
     public async Task ShowAboutAsync(AboutModalViewModel vm)
     {
         var dlg = new AboutModalView { DataContext = vm };
@@ -48,7 +62,7 @@ public sealed class WindowDialogService : IDialogService
     public async Task ShowSettingsAsync(SettingsModalViewModel vm)
     {
         var dlg = new SettingsModalView { DataContext = vm };
-        await dlg.ShowDialog(_owner);
+        await dlg.ShowDialog(ActiveOwner());
     }
 
     public async Task ShowListSettingsAsync(ListSettingsModalViewModel vm)