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+# Handler-Run Links Implementation Plan
+
+> **For agentic workers:** REQUIRED SUB-SKILL: Use superpowers:subagent-driven-development (recommended) or superpowers:executing-plans to implement this plan task-by-task. Steps use checkbox (`- [ ]`) syntax for tracking.
+
+**Goal:** A "Let Claude handle it" run records which tasks it processed, shows them as a list on the handler task's detail pane, and wears a HANDLER badge instead of MANUAL.
+
+**Architecture:** One new nullable column `TaskEntity.HandlerTaskId` (1:n, last run wins) stamped at handler-task creation from the selection the UI already passes down. The badge is a display-only computed property on `TaskRowViewModel`, driven by the existing `HandlerBaseCommit`. The panel reuses `ChildOutcomeRowViewModel` and the existing refresh path.
+
+**Tech Stack:** .NET 8, EF Core (SQLite), Avalonia 12 + CommunityToolkit.Mvvm, xUnit.
+
+**Spec:** `docs/superpowers/specs/2026-08-07-handler-run-links-design.md`
+
+---
+
+## File Structure
+
+**Modified:**
+- `src/ClaudeDo.Data/Models/TaskEntity.cs` — new `HandlerTaskId` property
+- `src/ClaudeDo.Data/Configuration/TaskEntityConfiguration.cs` — column mapping + index
+- `src/ClaudeDo.Data/Repositories/TaskRepository.cs` — `SetHandlerTaskIdAsync`
+- `src/ClaudeDo.Worker/Runner/InteractiveLaunchSpecService.cs` — stamp after creating the handler task
+- `src/ClaudeDo.Ui/ViewModels/Islands/TaskRowViewModel.cs` — `HandlerBaseCommit`, `IsHandlerRun`, `HandlerBadge`, `ManualBadge` precedence
+- `src/ClaudeDo.Ui/Views/Islands/TaskRowView.axaml` — HANDLER badge border
+- `src/ClaudeDo.Ui/Design/IslandStyles.axaml` — `HandlerBadgeBrush` + `Border.badge.handler`
+- `src/ClaudeDo.Localization/locales/en.json` + `de.json` — `tasks.badgeHandler`, `tasks.handlerTip`
+- `src/ClaudeDo.Ui/ViewModels/Islands/DetailsIslandViewModel.cs` — `HandledTasks` collection, loader, clear, refresh
+- `src/ClaudeDo.Ui/Views/Islands/Detail/WorkConsole.axaml` — HANDLED TASKS panel
+- `src/ClaudeDo.Data/CLAUDE.md`, `src/ClaudeDo.Ui/CLAUDE.md`, `docs/explore-notes/conpty-sessions.md` — docs
+
+**Created:**
+- `src/ClaudeDo.Data/Migrations/<timestamp>_AddHandlerTaskId.cs` (+ Designer, + snapshot update) — generated
+- `tests/ClaudeDo.Worker.Tests/Repositories/TaskRepositoryHandlerLinkTests.cs`
+- `tests/ClaudeDo.Ui.Tests/ViewModels/TaskRowViewModelHandlerBadgeTests.cs`
+- `tests/ClaudeDo.Ui.Tests/ViewModels/DetailsIslandHandledTasksTests.cs`
+
+---
+
+## Task 1: Data — `HandlerTaskId` column and migration
+
+**Files:**
+- Modify: `src/ClaudeDo.Data/Models/TaskEntity.cs:60-61`
+- Modify: `src/ClaudeDo.Data/Configuration/TaskEntityConfiguration.cs:96-97` and `:127-131`
+- Create: `src/ClaudeDo.Data/Migrations/<timestamp>_AddHandlerTaskId.cs` (generated)
+
+- [ ] **Step 1: Add the property**
+
+In `src/ClaudeDo.Data/Models/TaskEntity.cs`, directly after the existing `HandlerHeadCommit` line (`public string? HandlerHeadCommit { get; set; }`), add:
+
+```csharp
+
+    // Id of the "list handler" run task that processed this task ("Let Claude handle it").
+    // 1:n and last-run-wins -- a second handler run over the same task overwrites it. Deliberately
+    // NOT ParentTaskId: that is the planning-child relation and drives the indented tree rendering.
+    // No FK: a deleted handler task must not cascade into the tasks it merely touched.
+    public string? HandlerTaskId { get; set; }
+```
+
+- [ ] **Step 2: Map the column and index it**
+
+In `src/ClaudeDo.Data/Configuration/TaskEntityConfiguration.cs`, after the line
+`builder.Property(t => t.HandlerHeadCommit).HasColumnName("handler_head_commit");` add:
+
+```csharp
+        builder.Property(t => t.HandlerTaskId).HasColumnName("handler_task_id");
+```
+
+At the end of `Configure`, after the line
+`builder.HasIndex(t => t.BlockedByTaskId).HasDatabaseName("idx_tasks_blocked_by");` add:
+
+```csharp
+        builder.HasIndex(t => t.HandlerTaskId).HasDatabaseName("idx_tasks_handler_task_id");
+```
+
+Do **not** add a `HasOne`/`HasForeignKey` relationship — the column is intentionally FK-less.
+
+- [ ] **Step 3: Generate the migration**
+
+Run from the repo root:
+
+```bash
+dotnet ef migrations add AddHandlerTaskId --project src/ClaudeDo.Data/ClaudeDo.Data.csproj --startup-project src/ClaudeDo.Worker/ClaudeDo.Worker.csproj
+```
+
+Expected: creates `src/ClaudeDo.Data/Migrations/<timestamp>_AddHandlerTaskId.cs` + `.Designer.cs` and updates `ClaudeDoDbContextModelSnapshot.cs`. The `Up` method must contain exactly one `AddColumn<string>(name: "handler_task_id", table: "tasks", nullable: true)` and one `CreateIndex(name: "idx_tasks_handler_task_id", table: "tasks", column: "handler_task_id")`. If it contains anything else, another agent's uncommitted model change leaked in — delete the migration, coordinate, retry.
+
+If `dotnet ef` is unavailable, hand-author the migration + Designer mirroring
+`src/ClaudeDo.Data/Migrations/20260806111454_AddInteractiveSessionId.cs`, and add
+`Property<string>("HandlerTaskId").HasColumnType("TEXT").HasColumnName("handler_task_id");`
+plus the index to the `TaskEntity` builder in `ClaudeDoDbContextModelSnapshot.cs`.
+
+- [ ] **Step 4: Build**
+
+Run: `dotnet build src/ClaudeDo.Data/ClaudeDo.Data.csproj -c Release`
+Expected: `Build succeeded`, 0 errors.
+
+- [ ] **Step 5: Commit**
+
+```bash
+git add src/ClaudeDo.Data/Models/TaskEntity.cs src/ClaudeDo.Data/Configuration/TaskEntityConfiguration.cs src/ClaudeDo.Data/Migrations
+git commit -- src/ClaudeDo.Data/Models/TaskEntity.cs src/ClaudeDo.Data/Configuration/TaskEntityConfiguration.cs src/ClaudeDo.Data/Migrations -m "feat(data): add handler_task_id to link handled tasks to their handler run"
+```
+
+⚠️ Always commit with explicit paths (`git commit -- <paths>`), never a bare `git commit` — the
+main checkout is shared with concurrent sessions.
+
+---
+
+## Task 2: Data — `SetHandlerTaskIdAsync` repository method
+
+**Files:**
+- Modify: `src/ClaudeDo.Data/Repositories/TaskRepository.cs` (after `SetHandlerHeadCommitAsync`, currently `:394-403`)
+- Test: `tests/ClaudeDo.Worker.Tests/Repositories/TaskRepositoryHandlerLinkTests.cs` (create)
+
+- [ ] **Step 1: Write the failing test**
+
+Create `tests/ClaudeDo.Worker.Tests/Repositories/TaskRepositoryHandlerLinkTests.cs`:
+
+```csharp
+using ClaudeDo.Data;
+using ClaudeDo.Data.Models;
+using ClaudeDo.Data.Repositories;
+using ClaudeDo.Worker.Tests.Infrastructure;
+using TaskStatus = ClaudeDo.Data.Models.TaskStatus;
+
+namespace ClaudeDo.Worker.Tests.Repositories;
+
+/// Covers the handler-run link: SetHandlerTaskIdAsync stamps the tasks a "Let Claude handle it"
+/// run processed, so the handler task's detail pane can list them after the run.
+public sealed class TaskRepositoryHandlerLinkTests : IDisposable
+{
+    private readonly DbFixture _db = new();
+    private readonly ClaudeDoDbContext _ctx;
+    private readonly TaskRepository _tasks;
+    private readonly ListRepository _lists;
+
+    public TaskRepositoryHandlerLinkTests()
+    {
+        _ctx = _db.CreateContext();
+        _tasks = new TaskRepository(_ctx);
+        _lists = new ListRepository(_ctx);
+    }
+
+    public void Dispose()
+    {
+        _ctx.Dispose();
+        _db.Dispose();
+    }
+
+    private async Task<string> CreateListAsync()
+    {
+        var listId = Guid.NewGuid().ToString();
+        await _lists.AddAsync(new ListEntity
+        {
+            Id = listId,
+            Name = "Test List",
+            CreatedAt = DateTime.UtcNow,
+        });
+        return listId;
+    }
+
+    private async Task<string> AddTaskAsync(string listId)
+    {
+        var id = Guid.NewGuid().ToString();
+        await _tasks.AddAsync(new TaskEntity
+        {
+            Id = id,
+            ListId = listId,
+            Title = "T",
+            Status = TaskStatus.Idle,
+            CreatedAt = DateTime.UtcNow,
+        });
+        return id;
+    }
+
+    [Fact]
+    public async Task SetHandlerTaskIdAsync_StampsAllGivenTasks()
+    {
+        var listId = await CreateListAsync();
+        var a = await AddTaskAsync(listId);
+        var b = await AddTaskAsync(listId);
+        var handlerId = await AddTaskAsync(listId);
+
+        var affected = await _tasks.SetHandlerTaskIdAsync(new[] { a, b }, handlerId);
+
+        Assert.Equal(2, affected);
+        Assert.Equal(handlerId, (await _tasks.GetByIdAsync(a))!.HandlerTaskId);
+        Assert.Equal(handlerId, (await _tasks.GetByIdAsync(b))!.HandlerTaskId);
+        Assert.Null((await _tasks.GetByIdAsync(handlerId))!.HandlerTaskId);
+    }
+
+    [Fact]
+    public async Task SetHandlerTaskIdAsync_IgnoresUnknownIds()
+    {
+        var listId = await CreateListAsync();
+        var a = await AddTaskAsync(listId);
+        var handlerId = await AddTaskAsync(listId);
+
+        var affected = await _tasks.SetHandlerTaskIdAsync(
+            new[] { a, "does-not-exist" }, handlerId);
+
+        Assert.Equal(1, affected);
+        Assert.Equal(handlerId, (await _tasks.GetByIdAsync(a))!.HandlerTaskId);
+    }
+
+    [Fact]
+    public async Task SetHandlerTaskIdAsync_SecondRunOverwrites()
+    {
+        var listId = await CreateListAsync();
+        var a = await AddTaskAsync(listId);
+        var firstHandler = await AddTaskAsync(listId);
+        var secondHandler = await AddTaskAsync(listId);
+
+        await _tasks.SetHandlerTaskIdAsync(new[] { a }, firstHandler);
+        await _tasks.SetHandlerTaskIdAsync(new[] { a }, secondHandler);
+
+        Assert.Equal(secondHandler, (await _tasks.GetByIdAsync(a))!.HandlerTaskId);
+    }
+
+    [Fact]
+    public async Task SetHandlerTaskIdAsync_EmptyList_IsNoOp()
+    {
+        var listId = await CreateListAsync();
+        var handlerId = await AddTaskAsync(listId);
+
+        var affected = await _tasks.SetHandlerTaskIdAsync(Array.Empty<string>(), handlerId);
+
+        Assert.Equal(0, affected);
+    }
+}
+```
+
+- [ ] **Step 2: Run the tests to verify they fail**
+
+Run: `dotnet test tests/ClaudeDo.Worker.Tests/ClaudeDo.Worker.Tests.csproj -c Release --filter "FullyQualifiedName~TaskRepositoryHandlerLinkTests"`
+Expected: compile error — `TaskRepository` does not contain a definition for `SetHandlerTaskIdAsync`.
+
+- [ ] **Step 3: Implement the method**
+
+In `src/ClaudeDo.Data/Repositories/TaskRepository.cs`, directly after `SetHandlerHeadCommitAsync`, add:
+
+```csharp
+    // Links the tasks a "list handler" run processed back to the handler's own task, so the
+    // handler's detail pane can list them after the run. Stamped from the user's selection at
+    // creation time -- that way tasks the handler later cancels as duplicates stay visible.
+    // Unknown ids are silently skipped. Returns the number of rows actually stamped.
+    public async Task<int> SetHandlerTaskIdAsync(
+        IReadOnlyList<string> taskIds,
+        string handlerTaskId,
+        CancellationToken ct = default)
+    {
+        if (taskIds.Count == 0) return 0;
+
+        var ids = taskIds.Where(id => id != handlerTaskId).Distinct().ToList();
+        if (ids.Count == 0) return 0;
+
+        return await _context.Tasks
+            .Where(t => ids.Contains(t.Id))
+            .ExecuteUpdateAsync(s => s
+                .SetProperty(t => t.HandlerTaskId, handlerTaskId), ct);
+    }
+```
+
+- [ ] **Step 4: Run the tests to verify they pass**
+
+Run: `dotnet test tests/ClaudeDo.Worker.Tests/ClaudeDo.Worker.Tests.csproj -c Release --filter "FullyQualifiedName~TaskRepositoryHandlerLinkTests"`
+Expected: `Passed! - Failed: 0, Passed: 4`.
+
+- [ ] **Step 5: Commit**
+
+```bash
+git add src/ClaudeDo.Data/Repositories/TaskRepository.cs tests/ClaudeDo.Worker.Tests/Repositories/TaskRepositoryHandlerLinkTests.cs
+git commit -- src/ClaudeDo.Data/Repositories/TaskRepository.cs tests/ClaudeDo.Worker.Tests/Repositories/TaskRepositoryHandlerLinkTests.cs -m "feat(data): add SetHandlerTaskIdAsync to stamp handled tasks"
+```
+
+---
+
+## Task 3: Worker — stamp the selection when the handler task is created
+
+**Files:**
+- Modify: `src/ClaudeDo.Worker/Runner/InteractiveLaunchSpecService.cs:409-450`
+- Test: `tests/ClaudeDo.Worker.Tests/Runner/InteractiveLaunchSpecServiceTests.cs` (append a `[Fact]` in the `── CreateMergeHelperTaskAsync ──` region, currently starting at `:747`)
+
+Note: `CreateMergeHelperTaskAsync` already receives `IReadOnlyList<string> taskIds` — the UI →
+`IWorkerClient` → `WorkerHub` chain needs **no** change.
+
+- [ ] **Step 1: Write the failing test**
+
+Append to `tests/ClaudeDo.Worker.Tests/Runner/InteractiveLaunchSpecServiceTests.cs` inside the same test class, after the existing `CreateMergeHelperTaskAsync_CreatesIdleManualTask_StampsHandlerBaseCommit` test:
+
+```csharp
+    [Fact]
+    public async Task CreateMergeHelperTaskAsync_StampsHandlerTaskIdOnSelectedTasks()
+    {
+        if (!GitAvailable) { Assert.True(true, "git not available -- skipping"); return; }
+
+        var repo = CreateRepo();
+        var listId = await SeedListAsync(workingDir: repo.RepoDir, name: "Alpha");
+        var t1 = Guid.NewGuid().ToString();
+        var t2 = Guid.NewGuid().ToString();
+        await SeedTaskAsync(t1, listId, TaskStatus.WaitingForReview, title: "First task");
+        await SeedTaskAsync(t2, listId, TaskStatus.Idle, title: "Second task");
+
+        var svc = BuildService();
+        var handlerId = await svc.CreateMergeHelperTaskAsync(
+            new[] { t1, t2 }, listId, "List handler: Alpha", "Tasks handled by this run:", CancellationToken.None);
+
+        using var readCtx = _db.CreateContext();
+        var tasks = new TaskRepository(readCtx);
+        Assert.Equal(handlerId, (await tasks.GetByIdAsync(t1))!.HandlerTaskId);
+        Assert.Equal(handlerId, (await tasks.GetByIdAsync(t2))!.HandlerTaskId);
+        // The handler never links to itself.
+        Assert.Null((await tasks.GetByIdAsync(handlerId))!.HandlerTaskId);
+    }
+```
+
+- [ ] **Step 2: Run the test to verify it fails**
+
+Run: `dotnet test tests/ClaudeDo.Worker.Tests/ClaudeDo.Worker.Tests.csproj -c Release --filter "FullyQualifiedName~CreateMergeHelperTaskAsync_StampsHandlerTaskIdOnSelectedTasks"`
+Expected: FAIL — `Assert.Equal() Failure: Values differ … Actual: null`.
+
+- [ ] **Step 3: Stamp the selection**
+
+In `src/ClaudeDo.Worker/Runner/InteractiveLaunchSpecService.cs`, in `CreateMergeHelperTaskAsync`, replace:
+
+```csharp
+        await taskRepo.AddAsync(handlerTask, ct);
+
+        return handlerTask.Id;
+```
+
+with:
+
+```csharp
+        await taskRepo.AddAsync(handlerTask, ct);
+
+        // Link the selection back to this run BEFORE the session starts: the handler cancels
+        // duplicates in phase 1, and those still belong in the "what was this run supposed to do"
+        // list. Stamping later (e.g. at handoff) would lose them.
+        await taskRepo.SetHandlerTaskIdAsync(taskIds, handlerTask.Id, ct);
+
+        return handlerTask.Id;
+```
+
+- [ ] **Step 4: Run the test to verify it passes**
+
+Run: `dotnet test tests/ClaudeDo.Worker.Tests/ClaudeDo.Worker.Tests.csproj -c Release --filter "FullyQualifiedName~CreateMergeHelperTaskAsync"`
+Expected: `Passed! - Failed: 0` (all five `CreateMergeHelperTaskAsync` tests).
+
+- [ ] **Step 5: Commit**
+
+```bash
+git add src/ClaudeDo.Worker/Runner/InteractiveLaunchSpecService.cs tests/ClaudeDo.Worker.Tests/Runner/InteractiveLaunchSpecServiceTests.cs
+git commit -- src/ClaudeDo.Worker/Runner/InteractiveLaunchSpecService.cs tests/ClaudeDo.Worker.Tests/Runner/InteractiveLaunchSpecServiceTests.cs -m "feat(handler): link the selected tasks to the handler run task"
+```
+
+---
+
+## Task 4: Ui — HANDLER badge instead of MANUAL
+
+**Files:**
+- Modify: `src/ClaudeDo.Ui/ViewModels/Islands/TaskRowViewModel.cs:40,51,234-240,308-329`
+- Modify: `src/ClaudeDo.Ui/Views/Islands/TaskRowView.axaml:141-144`
+- Modify: `src/ClaudeDo.Ui/Design/IslandStyles.axaml:114-118` and `:987-990`
+- Modify: `src/ClaudeDo.Localization/locales/en.json:163-164`, `src/ClaudeDo.Localization/locales/de.json:163-164`
+- Test: `tests/ClaudeDo.Ui.Tests/ViewModels/TaskRowViewModelHandlerBadgeTests.cs` (create)
+
+- [ ] **Step 1: Write the failing test**
+
+Create `tests/ClaudeDo.Ui.Tests/ViewModels/TaskRowViewModelHandlerBadgeTests.cs`:
+
+```csharp
+using ClaudeDo.Data.Models;
+using ClaudeDo.Ui.ViewModels.Islands;
+using TaskStatus = ClaudeDo.Data.Models.TaskStatus;
+
+namespace ClaudeDo.Ui.Tests.ViewModels;
+
+/// A "list handler" host task is IsManual=true so automation skips it, but MANUAL reads wrong on
+/// it -- the HANDLER badge must win and MANUAL must disappear.
+public class TaskRowViewModelHandlerBadgeTests
+{
+    [Fact]
+    public void HandlerTask_ShowsHandlerBadge_AndSuppressesManualBadge()
+    {
+        var row = new TaskRowViewModel { Id = "t1" };
+        row.IsManual = true;
+        row.HandlerBaseCommit = "base123";
+
+        Assert.True(row.IsHandlerRun);
+        Assert.NotNull(row.HandlerBadge);
+        Assert.Null(row.ManualBadge);
+    }
+
+    [Fact]
+    public void PlainManualTask_StillShowsManualBadge()
+    {
+        var row = new TaskRowViewModel { Id = "t2" };
+        row.IsManual = true;
+
+        Assert.False(row.IsHandlerRun);
+        Assert.Null(row.HandlerBadge);
+        Assert.NotNull(row.ManualBadge);
+    }
+
+    [Fact]
+    public void UpdateFromEntity_MirrorsHandlerBaseCommit()
+    {
+        var row = new TaskRowViewModel { Id = "t3" };
+        row.UpdateFromEntity(new TaskEntity
+        {
+            Id = "t3",
+            ListId = "l1",
+            Title = "List handler: Alpha",
+            Status = TaskStatus.Idle,
+            IsManual = true,
+            HandlerBaseCommit = "base123",
+            CreatedAt = DateTime.UtcNow,
+        });
+
+        Assert.Equal("base123", row.HandlerBaseCommit);
+        Assert.True(row.IsHandlerRun);
+    }
+}
+```
+
+- [ ] **Step 2: Run the test to verify it fails**
+
+Run: `dotnet test tests/ClaudeDo.Ui.Tests/ClaudeDo.Ui.Tests.csproj -c Release --filter "FullyQualifiedName~TaskRowViewModelHandlerBadgeTests"`
+Expected: compile error — `TaskRowViewModel` has no `HandlerBaseCommit` / `IsHandlerRun` / `HandlerBadge`.
+
+- [ ] **Step 3: Add the properties**
+
+In `src/ClaudeDo.Ui/ViewModels/Islands/TaskRowViewModel.cs`, after the `_isManual` field
+declaration (`[ObservableProperty] private bool _isManual;`), add:
+
+```csharp
+    // Mirror of TaskEntity.HandlerBaseCommit -- non-null marks this row as a "list handler" run
+    // host task ("Let Claude handle it"), which wears HANDLER instead of MANUAL.
+    [ObservableProperty] private string? _handlerBaseCommit;
+```
+
+Replace the `ManualBadge` line (currently `public string? ManualBadge => IsManual ? Loc.T("tasks.badgeManual") : null;`) with:
+
+```csharp
+    public bool IsHandlerRun => !string.IsNullOrEmpty(HandlerBaseCommit);
+
+    public string? HandlerBadge => IsHandlerRun ? Loc.T("tasks.badgeHandler") : null;
+
+    // HANDLER outranks MANUAL: a handler host task is IsManual only so automation skips it, and
+    // "MANUAL" would read as a hand-written reminder. The two badges never show together.
+    public bool ShowManualBadge => IsManual && !IsHandlerRun;
+
+    public string? ManualBadge => ShowManualBadge ? Loc.T("tasks.badgeManual") : null;
+```
+
+Add a change hook next to the existing `OnIsManualChanged` partial method:
+
+```csharp
+    partial void OnHandlerBaseCommitChanged(string? value)
+    {
+        OnPropertyChanged(nameof(IsHandlerRun));
+        OnPropertyChanged(nameof(HandlerBadge));
+        OnPropertyChanged(nameof(ShowManualBadge));
+        OnPropertyChanged(nameof(ManualBadge));
+    }
+```
+
+Inside the existing `OnIsManualChanged`, next to the existing `OnPropertyChanged(nameof(ManualBadge));` line, add:
+
+```csharp
+        OnPropertyChanged(nameof(ShowManualBadge));
+```
+
+In `UpdateFromEntity`, after the line `IsManual          = t.IsManual;` add:
+
+```csharp
+        HandlerBaseCommit = t.HandlerBaseCommit;
+```
+
+Also add `HandlerBadge` to `RefreshLocalized`, next to the existing `PlanningBadge` line:
+
+```csharp
+        OnPropertyChanged(nameof(HandlerBadge));
+        OnPropertyChanged(nameof(ManualBadge));
+```
+
+- [ ] **Step 4: Add the locale keys**
+
+In `src/ClaudeDo.Localization/locales/en.json`, after `"manualTip": ...` (line 164) add:
+
+```json
+    "badgeHandler": "HANDLER",
+    "handlerTip": "Handler run — see the tasks it processed in the detail pane",
+```
+
+In `src/ClaudeDo.Localization/locales/de.json`, after `"manualTip": ...` (line 164) add:
+
+```json
+    "badgeHandler": "HANDLER",
+    "handlerTip": "Handler-Run — die bearbeiteten Tasks stehen im Detailbereich",
+```
+
+- [ ] **Step 5: Add the badge style and brush**
+
+In `src/ClaudeDo.Ui/Design/IslandStyles.axaml`, after the line
+`<SolidColorBrush x:Key="ManualBadgeBrush"   Color="{StaticResource TextFaintColor}"/>` add:
+
+```xml
+    <SolidColorBrush x:Key="HandlerBadgeBrush" Color="{StaticResource PeatSoftColor}"/>
+```
+
+After the existing `Border.badge.manual` style block add:
+
+```xml
+  <!-- handler → peat: a "Let Claude handle it" run host, not a hand-written reminder -->
+  <Style Selector="Border.badge.handler">
+    <Setter Property="Background" Value="{DynamicResource HandlerBadgeBrush}"/>
+  </Style>
+```
+
+- [ ] **Step 6: Render the badge**
+
+In `src/ClaudeDo.Ui/Views/Islands/TaskRowView.axaml`, replace the manual badge block (lines 141-144):
+
+```xml
+              <Border Classes="badge manual" IsVisible="{Binding IsManual}"
+                      ToolTip.Tip="{loc:Tr tasks.manualTip}">
+                <TextBlock Text="{Binding ManualBadge}"/>
+              </Border>
+```
+
+with:
+
+```xml
+              <Border Classes="badge manual" IsVisible="{Binding ShowManualBadge}"
+                      ToolTip.Tip="{loc:Tr tasks.manualTip}">
+                <TextBlock Text="{Binding ManualBadge}"/>
+              </Border>
+              <Border Classes="badge handler" IsVisible="{Binding IsHandlerRun}"
+                      ToolTip.Tip="{loc:Tr tasks.handlerTip}">
+                <TextBlock Text="{Binding HandlerBadge}"/>
+              </Border>
+```
+
+Only the `IsVisible` binding changed on the manual border (`IsManual` → `ShowManualBadge`); the
+handler border is new. No converter is needed — `ShowManualBadge` is already a `bool`.
+
+- [ ] **Step 7: Run tests to verify they pass**
+
+Run: `dotnet test tests/ClaudeDo.Ui.Tests/ClaudeDo.Ui.Tests.csproj -c Release --filter "FullyQualifiedName~TaskRowViewModelHandlerBadgeTests"`
+Expected: `Passed! - Failed: 0, Passed: 3`.
+
+Run: `dotnet test tests/ClaudeDo.Localization.Tests/ClaudeDo.Localization.Tests.csproj -c Release`
+Expected: `Passed! - Failed: 0` (en/de key parity).
+
+Run: `dotnet build src/ClaudeDo.App/ClaudeDo.App.csproj -c Release`
+Expected: `Build succeeded` — this compiles the AXAML.
+
+- [ ] **Step 8: Commit**
+
+```bash
+git add src/ClaudeDo.Ui/ViewModels/Islands/TaskRowViewModel.cs src/ClaudeDo.Ui/Views/Islands/TaskRowView.axaml src/ClaudeDo.Ui/Design/IslandStyles.axaml src/ClaudeDo.Localization/locales/en.json src/ClaudeDo.Localization/locales/de.json tests/ClaudeDo.Ui.Tests/ViewModels/TaskRowViewModelHandlerBadgeTests.cs
+git commit -- src/ClaudeDo.Ui/ViewModels/Islands/TaskRowViewModel.cs src/ClaudeDo.Ui/Views/Islands/TaskRowView.axaml src/ClaudeDo.Ui/Design/IslandStyles.axaml src/ClaudeDo.Localization/locales/en.json src/ClaudeDo.Localization/locales/de.json tests/ClaudeDo.Ui.Tests/ViewModels/TaskRowViewModelHandlerBadgeTests.cs -m "feat(ui): show a HANDLER badge on list-handler run tasks"
+```
+
+---
+
+## Task 5: Ui — "HANDLED TASKS" panel on the handler's detail pane
+
+**Files:**
+- Modify: `src/ClaudeDo.Ui/ViewModels/Islands/DetailsIslandViewModel.cs:248-255`, `:581-584`, `:685`, `:814-833`
+- Modify: `src/ClaudeDo.Ui/Views/Islands/Detail/WorkConsole.axaml:414-434`
+- Test: `tests/ClaudeDo.Ui.Tests/ViewModels/DetailsIslandHandledTasksTests.cs` (create)
+
+- [ ] **Step 1: Write the failing test**
+
+Create `tests/ClaudeDo.Ui.Tests/ViewModels/DetailsIslandHandledTasksTests.cs`:
+
+```csharp
+using ClaudeDo.Data;
+using ClaudeDo.Data.Models;
+using ClaudeDo.Ui.Services;
+using ClaudeDo.Ui.ViewModels.Islands;
+using Microsoft.EntityFrameworkCore;
+using TaskStatus = ClaudeDo.Data.Models.TaskStatus;
+
+namespace ClaudeDo.Ui.Tests.ViewModels;
+
+/// Covers the handler-run link: binding a "list handler" host task lists every task stamped with
+/// its id, including ones the handler cancelled as duplicates.
+public class DetailsIslandHandledTasksTests : IDisposable
+{
+    private readonly string _dbPath;
+
+    public DetailsIslandHandledTasksTests()
+    {
+        _dbPath = Path.Combine(Path.GetTempPath(), $"claudedo_details_handled_test_{Guid.NewGuid():N}.db");
+        using var ctx = NewContext();
+        ctx.Database.EnsureCreated();
+    }
+
+    public void Dispose()
+    {
+        try { File.Delete(_dbPath); } catch { }
+        try { File.Delete(_dbPath + "-wal"); } catch { }
+        try { File.Delete(_dbPath + "-shm"); } catch { }
+    }
+
+    private ClaudeDoDbContext NewContext()
+    {
+        var opts = new DbContextOptionsBuilder<ClaudeDoDbContext>()
+            .UseSqlite($"Data Source={_dbPath}")
+            .Options;
+        return new ClaudeDoDbContext(opts);
+    }
+
+    private sealed class TestDbFactory : IDbContextFactory<ClaudeDoDbContext>
+    {
+        private readonly Func<ClaudeDoDbContext> _create;
+        public TestDbFactory(Func<ClaudeDoDbContext> create) => _create = create;
+        public ClaudeDoDbContext CreateDbContext() => _create();
+    }
+
+    private sealed class NullServiceProvider : IServiceProvider
+    {
+        public object? GetService(Type serviceType) => null;
+    }
+
+    private sealed class StubNotesApi : ClaudeDo.Ui.Services.Interfaces.INotesApi
+    {
+        public Task<List<DailyNoteDto>> ListAsync(DateOnly day) =>
+            Task.FromResult(new List<DailyNoteDto>());
+        public Task<DailyNoteDto?> AddAsync(DateOnly day, string text) =>
+            Task.FromResult<DailyNoteDto?>(null);
+        public Task UpdateAsync(string id, string text) => Task.CompletedTask;
+        public Task DeleteAsync(string id) => Task.CompletedTask;
+    }
+
+    private sealed class FakeWorkerClient : StubWorkerClient
+    {
+        public override bool IsConnected => true;
+    }
+
+    private DetailsIslandViewModel BuildVm()
+    {
+        var factory = new TestDbFactory(NewContext);
+        return new DetailsIslandViewModel(
+            factory, new FakeWorkerClient(), new NullServiceProvider(), new StubNotesApi(), new MergeCoordinator());
+    }
+
+    [Fact]
+    public async Task Bind_HandlerTask_ListsHandledTasksWithTheirStatus()
+    {
+        const string listId = "list-1";
+        const string handlerId = "handler-task-1";
+
+        await using (var ctx = NewContext())
+        {
+            ctx.Lists.Add(new ListEntity { Id = listId, Name = "L", WorkingDir = @"C:\repo", CreatedAt = DateTime.UtcNow });
+            ctx.Tasks.Add(new TaskEntity
+            {
+                Id = handlerId, ListId = listId, Title = "List handler: L",
+                Status = TaskStatus.WaitingForReview, IsManual = true,
+                HandlerBaseCommit = "base123", HandlerHeadCommit = "head456",
+                CreatedAt = DateTime.UtcNow,
+            });
+            ctx.Tasks.Add(new TaskEntity
+            {
+                Id = "done-1", ListId = listId, Title = "Merged task",
+                Status = TaskStatus.Done, HandlerTaskId = handlerId,
+                SortOrder = 0, CreatedAt = DateTime.UtcNow,
+            });
+            ctx.Tasks.Add(new TaskEntity
+            {
+                Id = "dupe-1", ListId = listId, Title = "Duplicate the handler cancelled",
+                Status = TaskStatus.Cancelled, HandlerTaskId = handlerId,
+                SortOrder = 1, CreatedAt = DateTime.UtcNow,
+            });
+            ctx.Tasks.Add(new TaskEntity
+            {
+                Id = "unrelated-1", ListId = listId, Title = "Not part of the run",
+                Status = TaskStatus.Idle, CreatedAt = DateTime.UtcNow,
+            });
+            await ctx.SaveChangesAsync();
+        }
+
+        var vm = BuildVm();
+        vm.Bind(new TaskRowViewModel { Id = handlerId, Status = TaskStatus.WaitingForReview });
+
+        var deadline = DateTime.UtcNow.AddSeconds(5);
+        while (DateTime.UtcNow < deadline && vm.HandledTasks.Count == 0)
+            await Task.Delay(20);
+
+        Assert.Equal(2, vm.HandledTasks.Count);
+        Assert.True(vm.HasHandledTasks);
+        Assert.Equal("Merged task", vm.HandledTasks[0].Title);
+        Assert.Equal(TaskStatus.Done, vm.HandledTasks[0].Status);
+        Assert.Equal(TaskStatus.Cancelled, vm.HandledTasks[1].Status);
+        Assert.DoesNotContain(vm.HandledTasks, r => r.Id == "unrelated-1");
+    }
+
+    [Fact]
+    public async Task Bind_PlainTask_HasNoHandledTasks()
+    {
+        const string listId = "list-1";
+        const string taskId = "plain-1";
+
+        await using (var ctx = NewContext())
+        {
+            ctx.Lists.Add(new ListEntity { Id = listId, Name = "L", CreatedAt = DateTime.UtcNow });
+            ctx.Tasks.Add(new TaskEntity
+            {
+                Id = taskId, ListId = listId, Title = "Plain",
+                Status = TaskStatus.Idle, CreatedAt = DateTime.UtcNow,
+            });
+            await ctx.SaveChangesAsync();
+        }
+
+        var vm = BuildVm();
+        vm.Bind(new TaskRowViewModel { Id = taskId, Status = TaskStatus.Idle });
+        await Task.Delay(300);
+
+        Assert.Empty(vm.HandledTasks);
+        Assert.False(vm.HasHandledTasks);
+    }
+}
+```
+
+- [ ] **Step 2: Run the tests to verify they fail**
+
+Run: `dotnet test tests/ClaudeDo.Ui.Tests/ClaudeDo.Ui.Tests.csproj -c Release --filter "FullyQualifiedName~DetailsIslandHandledTasksTests"`
+Expected: compile error — `DetailsIslandViewModel` has no `HandledTasks` / `HasHandledTasks`.
+
+- [ ] **Step 3: Add the collection**
+
+In `src/ClaudeDo.Ui/ViewModels/Islands/DetailsIslandViewModel.cs`, after the line
+`public ObservableCollection<ChildOutcomeRowViewModel> ChildOutcomes { get; } = new();` add:
+
+```csharp
+    // Tasks a "list handler" run processed ("Let Claude handle it"), linked via
+    // TaskEntity.HandlerTaskId. Separate from ChildOutcomes on purpose: that collection is the
+    // planning/improvement parent's children and feeds the merge card's combined diff, which a
+    // handler run must not touch (it commits straight to the list's working dir).
+    public ObservableCollection<ChildOutcomeRowViewModel> HandledTasks { get; } = new();
+```
+
+After the line `public bool HasChildOutcomes => ChildOutcomes.Count > 0;` add:
+
+```csharp
+    public bool HasHandledTasks => HandledTasks.Count > 0;
+```
+
+- [ ] **Step 4: Clear it on rebind**
+
+In the same file, in the rebind reset block, after the line `ChildOutcomes.Clear();` add:
+
+```csharp
+        HandledTasks.Clear();
+```
+
+and after `OnPropertyChanged(nameof(HasChildOutcomes));` in that same block add:
+
+```csharp
+        OnPropertyChanged(nameof(HasHandledTasks));
+```
+
+- [ ] **Step 5: Load it on bind**
+
+In the same file, directly after the line `await LoadChildOutcomesAsync(row.Id, ct);` add:
+
+```csharp
+            await LoadHandledTasksAsync(row.Id, ct);
+```
+
+Then add the loader immediately after the closing brace of `LoadChildOutcomesAsync`:
+
+```csharp
+    // Tasks stamped with this handler run's id. Ordered like the task list itself so the panel
+    // reads in the same order the user picked them.
+    private async System.Threading.Tasks.Task LoadHandledTasksAsync(string handlerTaskId, CancellationToken ct)
+    {
+        try
+        {
+            await using var ctx = await _dbFactory.CreateDbContextAsync(ct);
+            var handled = await ctx.Tasks
+                .AsNoTracking()
+                .Include(t => t.Worktree)
+                .Where(t => t.HandlerTaskId == handlerTaskId)
+                .OrderBy(t => t.SortOrder).ThenBy(t => t.CreatedAt)
+                .ToListAsync(ct);
+            ct.ThrowIfCancellationRequested();
+            if (handled.Count == 0) return;
+
+            HandledTasks.Clear();
+            foreach (var h in handled)
+                HandledTasks.Add(new ChildOutcomeRowViewModel
+                {
+                    Id = h.Id,
+                    Title = h.Title,
+                    Status = h.Status,
+                    RoadblockCount = h.RoadblockCount,
+                    WorktreeState = h.Worktree?.State ?? ClaudeDo.Data.Models.WorktreeState.Active,
+                });
+            OnPropertyChanged(nameof(HasHandledTasks));
+        }
+        catch (OperationCanceledException) { }
+        catch { /* best-effort */ }
+    }
+```
+
+- [ ] **Step 6: Keep the rows live**
+
+In the same file, in `RefreshChildOutcomeAsync`, replace:
+
+```csharp
+        var row = ChildOutcomes.FirstOrDefault(c => c.Id == childTaskId);
+        if (row is null) return;
+```
+
+with:
+
+```csharp
+        // The same refresh serves both lists: a planning parent's children and a handler run's
+        // handled tasks. Only one of them can hold a given id.
+        var row = ChildOutcomes.FirstOrDefault(c => c.Id == childTaskId)
+                  ?? HandledTasks.FirstOrDefault(c => c.Id == childTaskId);
+        if (row is null) return;
+```
+
+- [ ] **Step 7: Render the panel**
+
+In `src/ClaudeDo.Ui/Views/Islands/Detail/WorkConsole.axaml`, directly after the closing
+`</StackPanel>` of the existing `<!-- Child outcomes -->` block, add:
+
+```xml
+            <!-- Handled tasks (list handler run) -->
+            <StackPanel Spacing="6" IsVisible="{Binding HasHandledTasks}">
+              <TextBlock Classes="section-label" Text="HANDLED TASKS" />
+              <ItemsControl ItemsSource="{Binding HandledTasks}">
+                <ItemsControl.ItemTemplate>
+                  <DataTemplate x:DataType="vm:ChildOutcomeRowViewModel">
+                    <Grid ColumnDefinitions="*,Auto,Auto" Margin="0,2">
+                      <TextBlock Grid.Column="0" Text="{Binding Title}"
+                                 TextTrimming="CharacterEllipsis"
+                                 VerticalAlignment="Center" />
+                      <TextBlock Grid.Column="1" Text="{Binding RoadblockText}"
+                                 IsVisible="{Binding HasRoadblock}"
+                                 Foreground="#E0A030"
+                                 Margin="8,0" VerticalAlignment="Center" />
+                      <TextBlock Grid.Column="2" Text="{Binding StatusLabel}"
+                                 Opacity="0.75" VerticalAlignment="Center" />
+                    </Grid>
+                  </DataTemplate>
+                </ItemsControl.ItemTemplate>
+              </ItemsControl>
+            </StackPanel>
+```
+
+- [ ] **Step 8: Run the tests to verify they pass**
+
+Run: `dotnet test tests/ClaudeDo.Ui.Tests/ClaudeDo.Ui.Tests.csproj -c Release --filter "FullyQualifiedName~DetailsIslandHandledTasksTests"`
+Expected: `Passed! - Failed: 0, Passed: 2`.
+
+Run: `dotnet build src/ClaudeDo.App/ClaudeDo.App.csproj -c Release`
+Expected: `Build succeeded`.
+
+- [ ] **Step 9: Commit**
+
+```bash
+git add src/ClaudeDo.Ui/ViewModels/Islands/DetailsIslandViewModel.cs src/ClaudeDo.Ui/Views/Islands/Detail/WorkConsole.axaml tests/ClaudeDo.Ui.Tests/ViewModels/DetailsIslandHandledTasksTests.cs
+git commit -- src/ClaudeDo.Ui/ViewModels/Islands/DetailsIslandViewModel.cs src/ClaudeDo.Ui/Views/Islands/Detail/WorkConsole.axaml tests/ClaudeDo.Ui.Tests/ViewModels/DetailsIslandHandledTasksTests.cs -m "feat(ui): list the tasks a handler run processed on its detail pane"
+```
+
+---
+
+## Task 6: Full verification and docs
+
+**Files:**
+- Modify: `src/ClaudeDo.Data/CLAUDE.md` (TaskEntity field list)
+- Modify: `src/ClaudeDo.Ui/CLAUDE.md` (TaskRowViewModel + DetailsIslandViewModel bullets)
+- Modify: `docs/explore-notes/conpty-sessions.md` (list handler → host task section)
+
+- [ ] **Step 1: Run every affected test project**
+
+```bash
+dotnet test tests/ClaudeDo.Worker.Tests/ClaudeDo.Worker.Tests.csproj -c Release
+dotnet test tests/ClaudeDo.Ui.Tests/ClaudeDo.Ui.Tests.csproj -c Release
+dotnet test tests/ClaudeDo.Data.Tests/ClaudeDo.Data.Tests.csproj -c Release
+dotnet test tests/ClaudeDo.Localization.Tests/ClaudeDo.Localization.Tests.csproj -c Release
+```
+
+Expected: `Failed: 0` in all four. If a hand-rolled fake in a test project fails to compile,
+it is one of the known `IWorkerClient`/ViewModel-ctor fakes — update it; do not skip the test.
+
+- [ ] **Step 2: Update `src/ClaudeDo.Data/CLAUDE.md`**
+
+In the `TaskEntity` bullet, append `HandlerTaskId` to the field enumeration (after
+`HandlerBaseCommit / HandlerHeadCommit`), and add a sub-bullet under the existing
+`HandlerBaseCommit`/`HandlerHeadCommit` sub-bullet:
+
+```markdown
+  - `HandlerTaskId` = back-link from a task to the **list handler run** that processed it (1:n, last run wins, no FK). Stamped from the user's selection when the handler task is created, so tasks the handler later cancels as duplicates stay listed. Deliberately not `ParentTaskId` — that is the planning-child relation and drives the indented tree.
+```
+
+- [ ] **Step 3: Update `src/ClaudeDo.Ui/CLAUDE.md`**
+
+In the `DetailsIslandViewModel` bullet, after the `ChildOutcomes` mention, add
+`, plus `HandledTasks` (tasks a list-handler run processed, via `HandlerTaskId`)`.
+
+In the `TaskRowViewModel` sentence, after the `IsManual` clause, add
+`, `IsHandlerRun` (→ HANDLER badge, which outranks MANUAL)`.
+
+- [ ] **Step 4: Update `docs/explore-notes/conpty-sessions.md`**
+
+In the "The host task and its commit range" section, add after the existing description:
+
+```markdown
+`CreateMergeHelperTaskAsync` also stamps `TaskEntity.HandlerTaskId` on every selected task
+(`TaskRepository.SetHandlerTaskIdAsync`) before the session starts, so the handler task's detail
+pane can list what the run was meant to process — including tasks phase 1 cancels as duplicates.
+The handler never links to itself.
+```
+
+Bump that note's "verified against" commit line to the current HEAD.
+
+- [ ] **Step 5: Commit**
+
+```bash
+git add src/ClaudeDo.Data/CLAUDE.md src/ClaudeDo.Ui/CLAUDE.md docs/explore-notes/conpty-sessions.md
+git commit -- src/ClaudeDo.Data/CLAUDE.md src/ClaudeDo.Ui/CLAUDE.md docs/explore-notes/conpty-sessions.md -m "docs(handler): document the handler-run task link"
+```
+
+- [ ] **Step 6: Report the visual-verification gap**
+
+The build and tests cannot confirm any of this renders correctly. Explicitly hand these to Mika:
+
+1. HANDLER badge colour and legibility on a handler task row (light **and** dark theme), and that MANUAL is gone from that row while still present on a normal manual reminder.
+2. The HANDLED TASKS panel on the handler task's Session tab: position relative to OUTCOMES, spacing, and behaviour with ~20 handled tasks (scroll).
+3. That a real "Let Claude handle it" run over a multi-task selection produces a populated panel after the run, including a phase-1-cancelled duplicate.
diff --git a/docs/superpowers/specs/2026-08-07-handler-run-links-design.md b/docs/superpowers/specs/2026-08-07-handler-run-links-design.md
index 38b8cd49..3702d674 100644
--- a/docs/superpowers/specs/2026-08-07-handler-run-links-design.md
+++ b/docs/superpowers/specs/2026-08-07-handler-run-links-design.md
@@ -134,7 +134,9 @@ Kinder-Panel:
 - Refresh über dieselben `TaskUpdated`-Events wie `ChildOutcomes`; der bestehende
   `RefreshChildOutcomeAsync`-Pfad (`:814-833`) wird um die zweite Collection erweitert.
 - Sichtbar nur wenn `HandledTasks.Count > 0`.
-- Klick auf eine Zeile springt zum Task — gleiche Interaktion wie bei den Kindern.
+- **Keine Klick-Interaktion** — das bestehende `ChildOutcomes`-Template ist eine reine Anzeige
+  (Titel / Roadblock / Status, kein Tapped-Handler). Die neue Liste bleibt identisch; "zum Task
+  springen" wäre neues Verhalten und ist hier nicht enthalten.
 
 ### 5. Fehlerfälle