feat(ui): Home-Ordner als Sitzungsziel in Mission Control

Erster Eintrag im Sitzungsmenue, fuer schnelle allgemeine Fragen, die zu
keinem Projekt gehoeren.

src/ClaudeDo.Ui/ViewModels/MissionControlViewModel.cs

@@ -179,7 +179,14 @@ public sealed partial class MissionControlViewModel : ViewModelBase, IDisposable
     internal async System.Threading.Tasks.Task RefreshSessionTargetsAsync()
     {
         SessionTargets.Clear();
-        // Browse goes in first so the menu stays usable even if the list query below fails.
+        // Home + browse go in first so the menu stays usable even if the list query below fails.
+        // Home is the target for quick general questions that belong to no project.
+        var home = Environment.GetFolderPath(Environment.SpecialFolder.UserProfile);
+        SessionTargets.Add(new SessionTargetViewModel
+        {
+            Label = Loc.T("missionControl.homeFolder"),
+            StartCommand = new RelayCommand(() => _ = OpenAdHocConPtySessionAsync(home)),
+        });
         SessionTargets.Add(new SessionTargetViewModel
         {
             Label = Loc.T("missionControl.browseForFolder"),

tests/ClaudeDo.Ui.Tests/ViewModels/MissionControlViewModelTests.cs

@@ -254,11 +254,11 @@ public class MissionControlViewModelTests : IDisposable
 
         await vm.RefreshSessionTargetsAsync();
 
-        // Browse first (survives a failing list query), then the lists in sort order.
+        // Home + browse first (they survive a failing list query), then the lists in sort order.
-        Assert.Equal(3, vm.SessionTargets.Count);
+        Assert.Equal(4, vm.SessionTargets.Count);
-        Assert.Equal(new[] { "Beta", "Alpha" }, vm.SessionTargets.Skip(1).Select(t => t.Label).ToArray());
+        Assert.Equal(new[] { "Beta", "Alpha" }, vm.SessionTargets.Skip(2).Select(t => t.Label).ToArray());
 
-        vm.SessionTargets[0].StartCommand.Execute(null);
+        vm.SessionTargets[1].StartCommand.Execute(null);
         Assert.True(browsed);
     }