diff --git a/src/ClaudeDo.Ui/ViewModels/Modals/WorktreesOverviewModalViewModel.cs b/src/ClaudeDo.Ui/ViewModels/Modals/WorktreesOverviewModalViewModel.cs
index f55ac3b..9a1a930 100644
--- a/src/ClaudeDo.Ui/ViewModels/Modals/WorktreesOverviewModalViewModel.cs
+++ b/src/ClaudeDo.Ui/ViewModels/Modals/WorktreesOverviewModalViewModel.cs
@@ -12,6 +12,8 @@ using TaskStatus = ClaudeDo.Data.Models.TaskStatus;
 
 namespace ClaudeDo.Ui.ViewModels.Modals;
 
+public enum BatchMergeOutcome { None, Merging, Merged, Conflict, Blocked, Failed }
+
 public sealed partial class WorktreeOverviewRowViewModel : ViewModelBase
 {
     [ObservableProperty] private string _taskId = "";
@@ -27,6 +29,14 @@ public sealed partial class WorktreeOverviewRowViewModel : ViewModelBase
     [ObservableProperty][NotifyPropertyChangedFor(nameof(AgeText))] private DateTime _createdAt;
     [ObservableProperty] private bool _pathExistsOnDisk;
     [ObservableProperty] private bool _isSelected;
+    [ObservableProperty] private bool _isChecked;
+    [ObservableProperty]
+    [NotifyPropertyChangedFor(nameof(IsConflict))]
+    [NotifyPropertyChangedFor(nameof(HasOutcome))]
+    private BatchMergeOutcome _mergeOutcome;
+
+    public bool IsConflict => MergeOutcome == BatchMergeOutcome.Conflict;
+    public bool HasOutcome => MergeOutcome != BatchMergeOutcome.None;
 
     public string AgeText => FormatAge(DateTime.UtcNow - CreatedAt);
     public bool IsActive => State == WorktreeState.Active;
diff --git a/tests/ClaudeDo.Ui.Tests/ViewModels/WorktreesOverviewBatchMergeTests.cs b/tests/ClaudeDo.Ui.Tests/ViewModels/WorktreesOverviewBatchMergeTests.cs
new file mode 100644
index 0000000..4db056d
--- /dev/null
+++ b/tests/ClaudeDo.Ui.Tests/ViewModels/WorktreesOverviewBatchMergeTests.cs
@@ -0,0 +1,31 @@
+using ClaudeDo.Data.Models;
+using ClaudeDo.Ui.ViewModels.Modals;
+using TaskStatus = ClaudeDo.Data.Models.TaskStatus;
+using Xunit;
+
+namespace ClaudeDo.Ui.Tests.ViewModels;
+
+public class WorktreesOverviewBatchMergeTests
+{
+    private static WorktreeOverviewRowViewModel ActiveRow(string id) => new()
+    {
+        TaskId = id,
+        TaskTitle = $"Task {id}",
+        TaskStatus = TaskStatus.WaitingForReview,
+        State = WorktreeState.Active,
+    };
+
+    [Fact]
+    public void Row_outcome_helpers_reflect_state()
+    {
+        var row = ActiveRow("a");
+        Assert.Equal(BatchMergeOutcome.None, row.MergeOutcome);
+        Assert.False(row.IsConflict);
+
+        row.MergeOutcome = BatchMergeOutcome.Conflict;
+        Assert.True(row.IsConflict);
+
+        row.MergeOutcome = BatchMergeOutcome.Merged;
+        Assert.False(row.IsConflict);
+    }
+}