diff --git a/src/ClaudeDo.Ui/ViewModels/ListEditorViewModel.cs b/src/ClaudeDo.Ui/ViewModels/ListEditorViewModel.cs
index 2898aad..520f95f 100644
--- a/src/ClaudeDo.Ui/ViewModels/ListEditorViewModel.cs
+++ b/src/ClaudeDo.Ui/ViewModels/ListEditorViewModel.cs
@@ -54,6 +54,7 @@ public partial class ListEditorViewModel : ViewModelBase
 
     public void InitForCreate()
     {
+        _tcs = new TaskCompletionSource<ListEntity?>();
         _editId = null;
         _createdAt = DateTime.UtcNow;
         WindowTitle = "New List";
@@ -61,6 +62,7 @@ public partial class ListEditorViewModel : ViewModelBase
 
     public void InitForEdit(ListEntity entity, ListConfigEntity? config)
     {
+        _tcs = new TaskCompletionSource<ListEntity?>();
         _editId = entity.Id;
         _createdAt = entity.CreatedAt;
         Name = entity.Name;
@@ -119,9 +121,5 @@ public partial class ListEditorViewModel : ViewModelBase
         _tcs.TrySetResult(null);
     }
 
-    public Task<ListEntity?> ShowAndWaitAsync()
-    {
-        _tcs = new TaskCompletionSource<ListEntity?>();
-        return _tcs.Task;
-    }
+    public Task<ListEntity?> ShowAndWaitAsync() => _tcs.Task;
 }
diff --git a/src/ClaudeDo.Ui/ViewModels/TaskEditorViewModel.cs b/src/ClaudeDo.Ui/ViewModels/TaskEditorViewModel.cs
index d5673e0..4e39151 100644
--- a/src/ClaudeDo.Ui/ViewModels/TaskEditorViewModel.cs
+++ b/src/ClaudeDo.Ui/ViewModels/TaskEditorViewModel.cs
@@ -71,6 +71,7 @@ public partial class TaskEditorViewModel : ViewModelBase
 
     public void InitForCreate(string listId, string defaultCommitType = "chore")
     {
+        _tcs = new TaskCompletionSource<TaskEntity?>();
         _editId = null;
         _listId = listId;
         _createdAt = DateTime.UtcNow;
@@ -81,6 +82,7 @@ public partial class TaskEditorViewModel : ViewModelBase
 
     public async Task InitForEditAsync(TaskEntity entity, IReadOnlyList<TagEntity> taskTags, CancellationToken ct = default)
     {
+        _tcs = new TaskCompletionSource<TaskEntity?>();
         _editId = entity.Id;
         _listId = entity.ListId;
         _createdAt = entity.CreatedAt;
@@ -128,6 +130,7 @@ public partial class TaskEditorViewModel : ViewModelBase
     // Keep old sync overload for callers that haven't loaded agents yet
     public void InitForEdit(TaskEntity entity, IReadOnlyList<TagEntity> taskTags)
     {
+        _tcs = new TaskCompletionSource<TaskEntity?>();
         _editId = entity.Id;
         _listId = entity.ListId;
         _createdAt = entity.CreatedAt;
@@ -257,9 +260,5 @@ public partial class TaskEditorViewModel : ViewModelBase
         _tcs.TrySetResult(null);
     }
 
-    public Task<TaskEntity?> ShowAndWaitAsync()
-    {
-        _tcs = new TaskCompletionSource<TaskEntity?>();
-        return _tcs.Task;
-    }
+    public Task<TaskEntity?> ShowAndWaitAsync() => _tcs.Task;
 }