diff --git a/tests/ClaudeDo.Ui.Tests/StubWorkerClient.cs b/tests/ClaudeDo.Ui.Tests/StubWorkerClient.cs
index 19ef5b77..6d6f5b1e 100644
--- a/tests/ClaudeDo.Ui.Tests/StubWorkerClient.cs
+++ b/tests/ClaudeDo.Ui.Tests/StubWorkerClient.cs
@@ -183,6 +183,17 @@ public abstract class StubWorkerClient : IWorkerClient
         => Task.FromResult<IReadOnlyList<ModelUsageRowDto>>(Array.Empty<ModelUsageRowDto>());
     public virtual Task<IReadOnlyList<TaskUsageRowDto>> GetTaskUsageAsync(DateOnly from, DateOnly to)
         => Task.FromResult<IReadOnlyList<TaskUsageRowDto>>(Array.Empty<TaskUsageRowDto>());
+
+    // "Not installed, but Node is fine" — the state that exercises the hint card and the
+    // install button without ever touching a real CLI.
+    public virtual Task<TokenTrackerStatusDto?> GetTokenTrackerStatusAsync() =>
+        Task.FromResult<TokenTrackerStatusDto?>(new TokenTrackerStatusDto(
+            Installed: false, Version: null, NodeOk: true, NodeVersion: "v22.0.0",
+            LastFetchedUtc: null, LastError: null, FormatVersion: null, SessionCount: 0));
+
+    public virtual Task<TokenTrackerStatusDto?> RefreshTokenTrackerAsync() => GetTokenTrackerStatusAsync();
+
+    public virtual Task<TokenTrackerStatusDto?> InstallTokenTrackerAsync() => GetTokenTrackerStatusAsync();
     public void RaiseUsageUpdated(UsageSnapshotDto snapshot) => UsageUpdatedEvent?.Invoke(snapshot);
 
     protected void RaisePropertyChanged(string name) => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(name));
diff --git a/tests/ClaudeDo.Worker.Tests/UiVm/TasksIslandViewModelPlanningTests.cs b/tests/ClaudeDo.Worker.Tests/UiVm/TasksIslandViewModelPlanningTests.cs
index 2b0d2878..7210719b 100644
--- a/tests/ClaudeDo.Worker.Tests/UiVm/TasksIslandViewModelPlanningTests.cs
+++ b/tests/ClaudeDo.Worker.Tests/UiVm/TasksIslandViewModelPlanningTests.cs
@@ -171,6 +171,15 @@ sealed class FakeWorkerClient : IWorkerClient
         => Task.FromResult<IReadOnlyList<ModelUsageRowDto>>(System.Array.Empty<ModelUsageRowDto>());
     public Task<IReadOnlyList<TaskUsageRowDto>> GetTaskUsageAsync(DateOnly from, DateOnly to)
         => Task.FromResult<IReadOnlyList<TaskUsageRowDto>>(System.Array.Empty<TaskUsageRowDto>());
+
+    public Task<TokenTrackerStatusDto?> GetTokenTrackerStatusAsync() =>
+        Task.FromResult<TokenTrackerStatusDto?>(new TokenTrackerStatusDto(
+            Installed: false, Version: null, NodeOk: true, NodeVersion: "v22.0.0",
+            LastFetchedUtc: null, LastError: null, FormatVersion: null, SessionCount: 0));
+
+    public Task<TokenTrackerStatusDto?> RefreshTokenTrackerAsync() => GetTokenTrackerStatusAsync();
+
+    public Task<TokenTrackerStatusDto?> InstallTokenTrackerAsync() => GetTokenTrackerStatusAsync();
 }
 
 // ── Helper to build VM with pre-seeded Items ──────────────────────────────────