diff --git a/src/ClaudeDo.Localization/locales/de.json b/src/ClaudeDo.Localization/locales/de.json
index 8753be16..5c806957 100644
--- a/src/ClaudeDo.Localization/locales/de.json
+++ b/src/ClaudeDo.Localization/locales/de.json
@@ -266,6 +266,9 @@
     "overviewMode": "Übersicht",
     "closeSession": "Sitzung schließen",
     "conptyLaunchFailed": "ConPTY-Sitzung konnte nicht geöffnet werden: {0}",
+    "submitForReviewFailed": "Einreichen zum Review fehlgeschlagen: {0}",
+    "submitForReview": "Zum Review einreichen",
+    "submitForReviewTip": "Diesen Worktree committen und den Task ins Review bringen, damit er gemergt werden kann",
     "planningTitleSuffix": " (Planung)",
     "question": {
       "title": "Claude fragt nach",
diff --git a/src/ClaudeDo.Localization/locales/en.json b/src/ClaudeDo.Localization/locales/en.json
index 9a82ee24..5e1c1b7e 100644
--- a/src/ClaudeDo.Localization/locales/en.json
+++ b/src/ClaudeDo.Localization/locales/en.json
@@ -266,6 +266,9 @@
     "overviewMode": "Overview",
     "closeSession": "Close session",
     "conptyLaunchFailed": "Couldn't open ConPTY session: {0}",
+    "submitForReviewFailed": "Couldn't submit for review: {0}",
+    "submitForReview": "Submit for review",
+    "submitForReviewTip": "Commit this worktree and move the task to review so it can be merged",
     "planningTitleSuffix": " (Planning)",
     "question": {
       "title": "Claude is asking",
diff --git a/src/ClaudeDo.Ui/Services/Interfaces/IWorkerClient.cs b/src/ClaudeDo.Ui/Services/Interfaces/IWorkerClient.cs
index b0e32e93..3e0f8ebf 100644
--- a/src/ClaudeDo.Ui/Services/Interfaces/IWorkerClient.cs
+++ b/src/ClaudeDo.Ui/Services/Interfaces/IWorkerClient.cs
@@ -76,6 +76,9 @@ public interface IWorkerClient : INotifyPropertyChanged
     Task StartPlanningSessionAsync(string taskId, CancellationToken ct = default);
     // Picks up a task's Claude session in a real terminal window (--resume).
     Task ResumeTaskInTerminalAsync(string taskId, CancellationToken ct = default);
+    /// <summary>Commits an interactively-worked task's worktree and moves it to WaitingForReview
+    /// (the only path that flips a hand-driven ConPTY session into the review/merge pipeline).</summary>
+    Task SubmitTaskForReviewAsync(string taskId, CancellationToken ct = default);
     /// <summary>Launch spec for an embedded ConPTY terminal to open an interactive session
     /// in a task's worktree (same worktree prep as an autonomous run).</summary>
     Task<LaunchSpec> GetInteractiveLaunchSpecAsync(string taskId, CancellationToken ct = default);
diff --git a/src/ClaudeDo.Ui/Services/WorkerClient.cs b/src/ClaudeDo.Ui/Services/WorkerClient.cs
index 56768cc4..5ce7adf6 100644
--- a/src/ClaudeDo.Ui/Services/WorkerClient.cs
+++ b/src/ClaudeDo.Ui/Services/WorkerClient.cs
@@ -513,6 +513,9 @@ public partial class WorkerClient : ObservableObject, IAsyncDisposable, IWorkerC
     public async Task ResumeTaskInTerminalAsync(string taskId, CancellationToken ct = default)
         => await _hub.InvokeAsync("ResumeTaskInTerminal", taskId, ct);
 
+    public async Task SubmitTaskForReviewAsync(string taskId, CancellationToken ct = default)
+        => await _hub.InvokeAsync("SubmitTaskForReview", taskId, ct);
+
     public async Task<LaunchSpec> GetInteractiveLaunchSpecAsync(string taskId, CancellationToken ct = default)
         => await _hub.InvokeAsync<LaunchSpec>("GetInteractiveLaunchSpec", taskId, ct);
 
diff --git a/src/ClaudeDo.Ui/ViewModels/Islands/DetailsIslandViewModel.cs b/src/ClaudeDo.Ui/ViewModels/Islands/DetailsIslandViewModel.cs
index 7c6b7647..604ed891 100644
--- a/src/ClaudeDo.Ui/ViewModels/Islands/DetailsIslandViewModel.cs
+++ b/src/ClaudeDo.Ui/ViewModels/Islands/DetailsIslandViewModel.cs
@@ -413,6 +413,8 @@ public sealed partial class DetailsIslandViewModel : ViewModelBase, IDisposable
                 ReviewDiffViewed = false;
                 ApproveReviewCommand.NotifyCanExecuteChanged();
                 OnPropertyChanged(nameof(ShowReviewDiffHint));
+                OnPropertyChanged(nameof(CanSubmitForReview));
+                SubmitForReviewCommand.NotifyCanExecuteChanged();
                 AgentSettings.IsRunning = IsRunning;
                 NotifySessionSections();
                 OnPropertyChanged(nameof(CanAcceptDrop));
@@ -758,6 +760,8 @@ public sealed partial class DetailsIslandViewModel : ViewModelBase, IDisposable
         Merge.SyncWorktree(WorktreePath, WorktreeBaseCommit, WorktreeHeadCommit,
             WorktreeStateLabel, _listWorkingDir);
         NotifySessionSections();
+        OnPropertyChanged(nameof(CanSubmitForReview));
+        SubmitForReviewCommand.NotifyCanExecuteChanged();
     }
 
     partial void OnWorktreeHeadCommitChanged(string? value) =>
@@ -1034,6 +1038,23 @@ public sealed partial class DetailsIslandViewModel : ViewModelBase, IDisposable
         Task != null && _worker.IsConnected && IsWaitingForReview
         && (!Merge.HasReviewableDiff || ReviewDiffViewed);
 
+    // An interactive (ConPTY) session leaves its worktree changed but never flips the task
+    // status. Offer "Submit for review" for an Idle/Failed task that still has a worktree, so
+    // its hand-driven work can enter the normal review/merge flow (commits first, server-side).
+    public bool CanSubmitForReview =>
+        Task != null && _worker.IsConnected && (IsIdle || IsFailed) && !string.IsNullOrEmpty(WorktreePath);
+
+    [RelayCommand(CanExecute = nameof(CanSubmitForReview))]
+    private async System.Threading.Tasks.Task SubmitForReviewAsync()
+    {
+        if (Task is null || !_worker.IsConnected) return;
+        try { await _worker.SubmitTaskForReviewAsync(Task.Id); }
+        catch (Exception ex)
+        {
+            if (ShowErrorAsync != null) await ShowErrorAsync(ex.Message);
+        }
+    }
+
     [RelayCommand(CanExecute = nameof(HasReviewFeedback))]
     private async System.Threading.Tasks.Task RejectReviewAsync()
     {
diff --git a/src/ClaudeDo.Ui/ViewModels/MissionControl/ConPtyPaneViewModel.cs b/src/ClaudeDo.Ui/ViewModels/MissionControl/ConPtyPaneViewModel.cs
index 3ae6ebef..40125658 100644
--- a/src/ClaudeDo.Ui/ViewModels/MissionControl/ConPtyPaneViewModel.cs
+++ b/src/ClaudeDo.Ui/ViewModels/MissionControl/ConPtyPaneViewModel.cs
@@ -17,6 +17,9 @@ public sealed partial class ConPtyPaneViewModel : ViewModelBase, IMissionControl
 {
     public string? TaskId { get; }
 
+    // Only a task-based pane can be submitted for review (an ad-hoc directory session has no task).
+    public bool IsTaskBased => TaskId is not null;
+
     [ObservableProperty] private string _displayTitle;
 
     public InteractiveTerminalViewModel Terminal { get; } = new();
@@ -27,6 +30,10 @@ public sealed partial class ConPtyPaneViewModel : ViewModelBase, IMissionControl
     /// <summary>Set by the host (Mission Control) to remove this pane from its collection.</summary>
     public Action<ConPtyPaneViewModel>? CloseRequested { get; set; }
 
+    /// <summary>Raised when the user submits this task's hand-driven work for review; the host
+    /// commits the worktree and moves the task to WaitingForReview.</summary>
+    public event Action<string>? SubmitForReviewRequested;
+
     /// <summary>Task-based pane — dedup'd by <see cref="TaskId"/>. Pass null for an ad-hoc pane
     /// (no task, never deduped); prefer <see cref="CreateAdHoc"/> at ad-hoc call sites.</summary>
     public ConPtyPaneViewModel(string? taskId, string displayTitle, TerminalLaunchDescriptor descriptor)
@@ -50,6 +57,14 @@ public sealed partial class ConPtyPaneViewModel : ViewModelBase, IMissionControl
     [RelayCommand]
     private void Close() => CloseRequested?.Invoke(this);
 
+    private bool CanSubmitForReview() => IsTaskBased;
+
+    [RelayCommand(CanExecute = nameof(CanSubmitForReview))]
+    private void SubmitForReview()
+    {
+        if (TaskId is { } id) SubmitForReviewRequested?.Invoke(id);
+    }
+
     public void Dispose()
     {
         Terminal.PropertyChanged -= OnTerminalPropertyChanged;
diff --git a/src/ClaudeDo.Ui/ViewModels/MissionControlViewModel.cs b/src/ClaudeDo.Ui/ViewModels/MissionControlViewModel.cs
index b7a3966e..6ed5ee7d 100644
--- a/src/ClaudeDo.Ui/ViewModels/MissionControlViewModel.cs
+++ b/src/ClaudeDo.Ui/ViewModels/MissionControlViewModel.cs
@@ -248,6 +248,7 @@ public sealed partial class MissionControlViewModel : ViewModelBase, IDisposable
             var pane = new ConPtyPaneViewModel(taskId, title, descriptor);
             pane.ErrorReported += OnConPtyPaneError;
             pane.CloseRequested += CloseConPtySession;
+            pane.SubmitForReviewRequested += OnPaneSubmitForReview;
             ConPtySessions.Add(pane);
         }
         catch (Exception ex)
@@ -287,6 +288,7 @@ public sealed partial class MissionControlViewModel : ViewModelBase, IDisposable
             var pane = new ConPtyPaneViewModel(taskId, title, descriptor);
             pane.ErrorReported += OnConPtyPaneError;
             pane.CloseRequested += CloseConPtySession;
+            pane.SubmitForReviewRequested += OnPaneSubmitForReview;
             ConPtySessions.Add(pane);
         }
         catch (Exception ex)
@@ -311,6 +313,7 @@ public sealed partial class MissionControlViewModel : ViewModelBase, IDisposable
             var pane = ConPtyPaneViewModel.CreateAdHoc(title, descriptor);
             pane.ErrorReported += OnConPtyPaneError;
             pane.CloseRequested += CloseConPtySession;
+            pane.SubmitForReviewRequested += OnPaneSubmitForReview;
             ConPtySessions.Add(pane);
         }
         catch (Exception ex)
@@ -321,6 +324,22 @@ public sealed partial class MissionControlViewModel : ViewModelBase, IDisposable
 
     private void OnConPtyPaneError(string message) => ErrorReported?.Invoke(message);
 
+    // Submit a task's hand-driven ConPTY work for review, then close the pane (the interactive
+    // session is finished). The worker commits the worktree and moves the task to WaitingForReview.
+    private async void OnPaneSubmitForReview(string taskId)
+    {
+        try
+        {
+            await _worker.SubmitTaskForReviewAsync(taskId);
+            if (ConPtySessions.FirstOrDefault(s => s.TaskId == taskId) is { } pane)
+                CloseConPtySession(pane);
+        }
+        catch (Exception ex)
+        {
+            ErrorReported?.Invoke(Loc.T("missionControl.submitForReviewFailed", ex.Message));
+        }
+    }
+
     private void CloseConPtySession(ConPtyPaneViewModel pane)
     {
         if (!ConPtySessions.Contains(pane)) return;
diff --git a/src/ClaudeDo.Ui/Views/Islands/Detail/WorkConsole.axaml b/src/ClaudeDo.Ui/Views/Islands/Detail/WorkConsole.axaml
index 2eb3bbdf..0110347a 100644
--- a/src/ClaudeDo.Ui/Views/Islands/Detail/WorkConsole.axaml
+++ b/src/ClaudeDo.Ui/Views/Islands/Detail/WorkConsole.axaml
@@ -372,6 +372,17 @@
                       ToolTip.Tip="{loc:Tr session.reviewResetTip}"
                       Command="{Binding ResetReviewCommand}" />
             </StackPanel>
+
+            <!-- Submit an interactive (ConPTY) session for review: an Idle/Failed task that
+                 still has a worktree. Commits the worktree, then moves it to WaitingForReview. -->
+            <StackPanel Spacing="8" IsVisible="{Binding CanSubmitForReview}">
+              <Border Height="1" Background="{DynamicResource LineBrush}" />
+              <TextBlock Classes="meta" TextWrapping="Wrap"
+                         Foreground="{DynamicResource TextMuteBrush}"
+                         Text="Worked on this by hand? Submit the worktree for review to merge it." />
+              <Button Classes="btn accent" Content="Submit for review" HorizontalAlignment="Left"
+                      Command="{Binding SubmitForReviewCommand}" />
+            </StackPanel>
           </StackPanel>
         </ScrollViewer>
 
diff --git a/src/ClaudeDo.Ui/Views/MissionControl/ConPtyPaneView.axaml b/src/ClaudeDo.Ui/Views/MissionControl/ConPtyPaneView.axaml
index b8e18362..7b1eeef6 100644
--- a/src/ClaudeDo.Ui/Views/MissionControl/ConPtyPaneView.axaml
+++ b/src/ClaudeDo.Ui/Views/MissionControl/ConPtyPaneView.axaml
@@ -14,13 +14,18 @@
               Background="{DynamicResource Surface2Brush}"
               BorderBrush="{DynamicResource LineBrush}"
               BorderThickness="0,0,0,1" Padding="8,3">
-        <Grid ColumnDefinitions="*,Auto">
+        <Grid ColumnDefinitions="*,Auto,Auto">
           <TextBlock Grid.Column="0" Classes="meta" Text="{Binding DisplayTitle}"
                      TextTrimming="CharacterEllipsis"
                      ToolTip.Tip="{Binding DisplayTitle}"
                      Foreground="{DynamicResource TextDimBrush}"
                      VerticalAlignment="Center" Margin="4,0,0,0" />
-          <Button Grid.Column="1" Classes="title-ctrl"
+          <Button Grid.Column="1" Classes="btn" Margin="0,0,6,0"
+                  IsVisible="{Binding IsTaskBased}"
+                  Content="{loc:Tr missionControl.submitForReview}"
+                  ToolTip.Tip="{loc:Tr missionControl.submitForReviewTip}"
+                  Command="{Binding SubmitForReviewCommand}" />
+          <Button Grid.Column="2" Classes="title-ctrl"
                   Command="{Binding CloseCommand}"
                   ToolTip.Tip="{loc:Tr missionControl.closeSession}">
             <PathIcon Data="{StaticResource Icon.WinClose}" Width="12" Height="12"/>
diff --git a/src/ClaudeDo.Worker/Hub/WorkerHub.cs b/src/ClaudeDo.Worker/Hub/WorkerHub.cs
index 79c97dd8..7b2731a5 100644
--- a/src/ClaudeDo.Worker/Hub/WorkerHub.cs
+++ b/src/ClaudeDo.Worker/Hub/WorkerHub.cs
@@ -130,6 +130,7 @@ public sealed class WorkerHub : Microsoft.AspNetCore.SignalR.Hub
     private readonly LogRingBuffer? _logBuffer;
     private readonly ISessionSkillRegistry _skillRegistry;
     private readonly IInteractiveLaunchSpecService? _interactiveLaunchSpec;
+    private readonly WorktreeManager? _worktreeManager;
 
     public WorkerHub(
         QueueService queue,
@@ -157,7 +158,8 @@ public sealed class WorkerHub : Microsoft.AspNetCore.SignalR.Hub
         Runner.PendingQuestionRegistry pendingQuestions,
         ISessionSkillRegistry skillRegistry,
         LogRingBuffer? logBuffer = null,
-        IInteractiveLaunchSpecService? interactiveLaunchSpec = null)
+        IInteractiveLaunchSpecService? interactiveLaunchSpec = null,
+        WorktreeManager? worktreeManager = null)
     {
         _queue = queue;
         _waker = waker;
@@ -185,6 +187,7 @@ public sealed class WorkerHub : Microsoft.AspNetCore.SignalR.Hub
         _skillRegistry = skillRegistry;
         _logBuffer = logBuffer;
         _interactiveLaunchSpec = interactiveLaunchSpec;
+        _worktreeManager = worktreeManager;
     }
 
     // Persistence boundary for the session_skills JSON-array columns (task/list/global).
@@ -705,6 +708,40 @@ public sealed class WorkerHub : Microsoft.AspNetCore.SignalR.Hub
         return _interactiveLaunchSpec.BuildPlanningResume(ctx);
     });
 
+    // Submits an interactively-worked task for review: commits whatever the ConPTY session left
+    // in the worktree (so there is a diff to merge), then transitions Idle/Failed -> WaitingForReview.
+    // The normal Approve flow then merges it. This is the only path that flips a hand-driven session
+    // into the review pipeline — a ConPTY session never touches task status on its own.
+    public Task SubmitTaskForReview(string taskId) => HubGuard(async () =>
+    {
+        if (_worktreeManager is null)
+            throw new InvalidOperationException("Worktree manager is not configured.");
+
+        await using var ctx = await _dbFactory.CreateDbContextAsync();
+        var task = await new TaskRepository(ctx).GetByIdAsync(taskId, Context.ConnectionAborted)
+            ?? throw new KeyNotFoundException();
+        if (task.Status is TaskStatus.Running or TaskStatus.Queued)
+            throw new InvalidOperationException("Can't submit a running or queued task — interrupt it first.");
+        if (task.Status is TaskStatus.WaitingForReview or TaskStatus.WaitingForChildren)
+            throw new InvalidOperationException("Task is already awaiting review.");
+
+        var worktree = await new WorktreeRepository(ctx).GetByTaskIdAsync(taskId, Context.ConnectionAborted);
+        if (worktree is null || worktree.State is not (WorktreeState.Active or WorktreeState.Kept))
+            throw new InvalidOperationException("This task has no active worktree to submit.");
+        if (!Directory.Exists(worktree.Path))
+            throw new InvalidOperationException("The task's worktree directory no longer exists.");
+
+        var list = await new ListRepository(ctx).GetByIdAsync(task.ListId, Context.ConnectionAborted)
+            ?? throw new InvalidOperationException("Task list not found.");
+
+        var wtCtx = new WorktreeContext(worktree.Path, worktree.BranchName, worktree.BaseCommit);
+        await _worktreeManager.CommitIfChangedAsync(wtCtx, task, list, Context.ConnectionAborted);
+
+        var result = await _state.SubmitInteractiveForReviewAsync(taskId, DateTime.UtcNow, Context.ConnectionAborted);
+        if (!result.Ok)
+            throw new InvalidOperationException(result.Reason ?? "Could not submit for review.");
+    });
+
     public async Task<DiscardPlanningOutcome> DiscardPlanningSessionAsync(string taskId, bool dequeueQueuedChildren = false)
     {
         var outcome = await _planning.DiscardAsync(taskId, dequeueQueuedChildren, Context.ConnectionAborted);
diff --git a/src/ClaudeDo.Worker/State/Interfaces/ITaskStateService.cs b/src/ClaudeDo.Worker/State/Interfaces/ITaskStateService.cs
index 0454e9b0..eba6e2e0 100644
--- a/src/ClaudeDo.Worker/State/Interfaces/ITaskStateService.cs
+++ b/src/ClaudeDo.Worker/State/Interfaces/ITaskStateService.cs
@@ -6,6 +6,7 @@ public interface ITaskStateService
     Task<TransitionResult> StartRunningAsync(string taskId, DateTime startedAt, CancellationToken ct);
     Task<TransitionResult> CompleteAsync(string taskId, DateTime finishedAt, string? result, CancellationToken ct);
     Task<TransitionResult> SubmitForReviewAsync(string taskId, DateTime finishedAt, string? result, CancellationToken ct);
+    Task<TransitionResult> SubmitInteractiveForReviewAsync(string taskId, DateTime finishedAt, CancellationToken ct);
     Task<TransitionResult> SubmitForChildrenAsync(string taskId, DateTime finishedAt, string? result, CancellationToken ct);
     Task<TransitionResult> FailAsync(string taskId, DateTime finishedAt, string? error, CancellationToken ct);
     Task<TransitionResult> CancelAsync(string taskId, DateTime finishedAt, CancellationToken ct);
diff --git a/src/ClaudeDo.Worker/State/TaskStateService.cs b/src/ClaudeDo.Worker/State/TaskStateService.cs
index 22b30dbe..6e0f1a15 100644
--- a/src/ClaudeDo.Worker/State/TaskStateService.cs
+++ b/src/ClaudeDo.Worker/State/TaskStateService.cs
@@ -110,6 +110,26 @@ public sealed class TaskStateService : ITaskStateService
         return new TransitionResult(true, null);
     }
 
+    // Submit an interactively-worked task (a ConPTY session left its worktree with commits/changes)
+    // for review. Unlike SubmitForReviewAsync — which only fires from the headless Running state —
+    // this transitions from Idle or Failed, the states an interactive task sits in after the user
+    // finishes the session by hand. The caller commits the worktree first so there is a diff to merge.
+    public async Task<TransitionResult> SubmitInteractiveForReviewAsync(string taskId, DateTime finishedAt, CancellationToken ct)
+    {
+        await using var ctx = await _dbFactory.CreateDbContextAsync(ct);
+        var affected = await ctx.Tasks
+            .Where(t => t.Id == taskId && (t.Status == TaskStatus.Idle || t.Status == TaskStatus.Failed))
+            .ExecuteUpdateAsync(s => s
+                .SetProperty(t => t.Status, TaskStatus.WaitingForReview)
+                .SetProperty(t => t.FinishedAt, finishedAt), ct);
+
+        if (affected == 0)
+            return new TransitionResult(false, "Task is not Idle or Failed; cannot submit for review.");
+
+        await _broadcaster.TaskUpdated(taskId);
+        return new TransitionResult(true, null);
+    }
+
     public async Task<TransitionResult> SubmitForChildrenAsync(string taskId, DateTime finishedAt, string? result, CancellationToken ct)
     {
         await using var ctx = await _dbFactory.CreateDbContextAsync(ct);
diff --git a/tests/ClaudeDo.Ui.Tests/StubWorkerClient.cs b/tests/ClaudeDo.Ui.Tests/StubWorkerClient.cs
index d0b399a9..e13cafe8 100644
--- a/tests/ClaudeDo.Ui.Tests/StubWorkerClient.cs
+++ b/tests/ClaudeDo.Ui.Tests/StubWorkerClient.cs
@@ -95,6 +95,7 @@ public abstract class StubWorkerClient : IWorkerClient
     public virtual Task AbortConflictMergeAsync(string taskId) => Task.CompletedTask;
     public virtual Task StartPlanningSessionAsync(string taskId, CancellationToken ct = default) => Task.CompletedTask;
     public virtual Task ResumeTaskInTerminalAsync(string taskId, CancellationToken ct = default) => Task.CompletedTask;
+    public virtual Task SubmitTaskForReviewAsync(string taskId, CancellationToken ct = default) => Task.CompletedTask;
     public virtual Task<LaunchSpec> GetInteractiveLaunchSpecAsync(string taskId, CancellationToken ct = default)
         => Task.FromResult(new LaunchSpec(".", "claude", Array.Empty<string>(), new Dictionary<string, string>()));
     public virtual Task<LaunchSpec> GetAdHocLaunchSpecAsync(string directory, CancellationToken ct = default)
diff --git a/tests/ClaudeDo.Worker.Tests/State/ReviewTransitionTests.cs b/tests/ClaudeDo.Worker.Tests/State/ReviewTransitionTests.cs
index 86b8823f..d9ea7a4b 100644
--- a/tests/ClaudeDo.Worker.Tests/State/ReviewTransitionTests.cs
+++ b/tests/ClaudeDo.Worker.Tests/State/ReviewTransitionTests.cs
@@ -87,6 +87,38 @@ public sealed class ReviewTransitionTests : IDisposable
         Assert.Equal(TaskStatus.Queued, (await GetTaskAsync(id)).Status);
     }
 
+    // ─── SubmitInteractiveForReviewAsync ──────────────────────────────────
+
+    [Theory]
+    [InlineData(TaskStatus.Idle)]
+    [InlineData(TaskStatus.Failed)]
+    public async Task SubmitInteractiveForReviewAsync_FromIdleOrFailed_TransitionsToWaitingForReview(TaskStatus from)
+    {
+        var id = await SeedTaskAsync(from);
+
+        var result = await _sut.SubmitInteractiveForReviewAsync(id, DateTime.UtcNow, default);
+
+        Assert.True(result.Ok);
+        var t = await GetTaskAsync(id);
+        Assert.Equal(TaskStatus.WaitingForReview, t.Status);
+        Assert.NotNull(t.FinishedAt);
+    }
+
+    [Theory]
+    [InlineData(TaskStatus.Running)]
+    [InlineData(TaskStatus.Queued)]
+    [InlineData(TaskStatus.Done)]
+    [InlineData(TaskStatus.WaitingForReview)]
+    public async Task SubmitInteractiveForReviewAsync_FromOtherStates_Rejects(TaskStatus from)
+    {
+        var id = await SeedTaskAsync(from);
+
+        var result = await _sut.SubmitInteractiveForReviewAsync(id, DateTime.UtcNow, default);
+
+        Assert.False(result.Ok);
+        Assert.Equal(from, (await GetTaskAsync(id)).Status);
+    }
+
     // ─── ApproveReviewAsync ───────────────────────────────────────────────
 
     [Fact]
diff --git a/tests/ClaudeDo.Worker.Tests/UiVm/TasksIslandViewModelPlanningTests.cs b/tests/ClaudeDo.Worker.Tests/UiVm/TasksIslandViewModelPlanningTests.cs
index dd877a7d..60cdd73f 100644
--- a/tests/ClaudeDo.Worker.Tests/UiVm/TasksIslandViewModelPlanningTests.cs
+++ b/tests/ClaudeDo.Worker.Tests/UiVm/TasksIslandViewModelPlanningTests.cs
@@ -72,6 +72,7 @@ sealed class FakeWorkerClient : IWorkerClient
     public int PickUpInTerminalCalls { get; private set; }
     public string? LastPickUpTaskId { get; private set; }
     public Task ResumeTaskInTerminalAsync(string taskId, CancellationToken ct = default) { PickUpInTerminalCalls++; LastPickUpTaskId = taskId; return Task.CompletedTask; }
+    public Task SubmitTaskForReviewAsync(string taskId, CancellationToken ct = default) => Task.CompletedTask;
     public Task<LaunchSpec> GetInteractiveLaunchSpecAsync(string taskId, CancellationToken ct = default)
         => Task.FromResult(new LaunchSpec(".", "claude", Array.Empty<string>(), new Dictionary<string, string>()));
     public Task<LaunchSpec> GetAdHocLaunchSpecAsync(string directory, CancellationToken ct = default)