chore(claude-do): merge [A2] WorktreesOverview + Reset-All: getrennte OperationStatu

ClaudeDo-Task: cec07e2c-2814-4a43-898c-a6be07a13f01

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

@@ -98,7 +98,7 @@ public class WorktreesOverviewBatchMergeTests
         Assert.Equal(BatchMergeOutcome.Blocked, a.MergeOutcome);
         Assert.Equal(BatchMergeOutcome.Failed, b.MergeOutcome);
         Assert.Empty(vm.ConflictRows);
-        Assert.False(vm.IsMerging);
+        Assert.False(vm.BatchMergeStatus.IsRunning);
     }
 
     [Fact]
@@ -164,7 +164,40 @@ public class WorktreesOverviewBatchMergeTests
         Assert.False(vm.MergeAllCommand.CanExecute(null));
         vm.SelectedTarget = "main";
         Assert.True(vm.MergeAllCommand.CanExecute(null));
-        vm.IsMerging = true;
-        Assert.False(vm.MergeAllCommand.CanExecute(null));
+        using (vm.BatchMergeStatus.Begin("merging"))
+        {
+            Assert.False(vm.MergeAllCommand.CanExecute(null));
+        }
+        Assert.True(vm.MergeAllCommand.CanExecute(null));
+    }
+
+    [Fact]
+    public void MergeAll_CanExecuteChanged_fires_when_batch_status_changes()
+    {
+        var vm = NewVm();
+        var a = ActiveRow("a"); a.IsChecked = true;
+        vm.AddRowForTest(a);
+        vm.SelectedTarget = "main";
+
+        var raised = 0;
+        vm.MergeAllCommand.CanExecuteChanged += (_, _) => raised++;
+
+        using (vm.BatchMergeStatus.Begin("merging")) { }
+
+        Assert.Equal(2, raised);
+    }
+
+    [Fact]
+    public void ForceRemove_canExecute_is_false_while_a_removal_is_in_flight()
+    {
+        var vm = NewVm();
+        var row = ActiveRow("a");
+
+        Assert.True(vm.ForceRemoveCommand.CanExecute(row));
+        using (vm.ForceRemoveStatus.Begin("removing"))
+        {
+            Assert.False(vm.ForceRemoveCommand.CanExecute(row));
+        }
+        Assert.True(vm.ForceRemoveCommand.CanExecute(row));
     }
 }

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

@@ -20,6 +20,8 @@ public class WorktreesOverviewModalErrorTests
     private sealed class ThrowingWorker : StubWorkerClient
     {
         public string ExceptionMessage { get; init; } = "worktree is locked by another process";
+        public override Task<List<WorktreeOverviewDto>> GetWorktreesOverviewAsync(string? listId) =>
+            throw new Exception(ExceptionMessage);
         public override Task<WorktreeCleanupDto?> CleanupFinishedWorktreesAsync(string? listId = null) =>
             throw new Exception(ExceptionMessage);
         public override Task<ForceRemoveResultDto?> ForceRemoveWorktreeAsync(string taskId) =>
@@ -39,7 +41,7 @@ public class WorktreesOverviewModalErrorTests
 
         Assert.NotNull(vm.StatusMessage);
         Assert.Contains(worker.ExceptionMessage, vm.StatusMessage);
-        Assert.False(vm.IsBusy);
+        Assert.False(vm.CleanupStatus.IsRunning);
     }
 
     [Fact]
@@ -61,5 +63,17 @@ public class WorktreesOverviewModalErrorTests
         Assert.NotNull(vm.StatusMessage);
         Assert.Contains(worker.ExceptionMessage, vm.StatusMessage);
         Assert.Contains(row, vm.Rows);
+        Assert.False(vm.ForceRemoveStatus.IsRunning);
+    }
+
+    [Fact]
+    public async Task Refresh_WhenWorkerThrows_ResetsRefreshStatus()
+    {
+        var worker = new ThrowingWorker();
+        var vm = NewVm(worker);
+
+        await Assert.ThrowsAsync<Exception>(() => vm.RefreshCommand.ExecuteAsync(null));
+
+        Assert.False(vm.RefreshStatus.IsRunning);
     }
 }

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

@@ -117,4 +117,29 @@ public class WorktreesOverviewReconcileTickTests
         Assert.False(vm.Rows.Single(r => r.TaskId == "d").IsChecked);
         Assert.Equal(1, vm.SelectedCount);
     }
+
+    [Theory]
+    [InlineData("refresh")]
+    [InlineData("cleanup")]
+    [InlineData("forceRemove")]
+    [InlineData("batchMerge")]
+    public async Task Tick_skips_the_reload_while_any_action_status_is_running(string which)
+    {
+        var (vm, worker) = await BuildLoadedAsync();
+        var status = which switch
+        {
+            "refresh" => vm.RefreshStatus,
+            "cleanup" => vm.CleanupStatus,
+            "forceRemove" => vm.ForceRemoveStatus,
+            "batchMerge" => vm.BatchMergeStatus,
+            _ => throw new ArgumentOutOfRangeException(nameof(which)),
+        };
+
+        using var op = status.Begin("running");
+        worker.Worktrees.Add(Wt("d"));
+
+        await vm.ReconcileTickAsync();
+
+        Assert.DoesNotContain(vm.Rows, r => r.TaskId == "d");
+    }
 }

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

@@ -47,7 +47,7 @@ public class WorktreesSettingsTabViewModelTests
         await vm.ConfirmResetAllCommand.ExecuteAsync(null);
 
         Assert.Contains(worker.ExceptionMessage, vm.StatusMessage);
-        Assert.False(vm.IsBusy);
+        Assert.False(vm.ResetStatus.IsRunning);
         Assert.False(vm.ShowResetConfirm);
     }
 }