feat(ui): make TaskDetailViewModel editable with auto-save and tag CRUD

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/ClaudeDo.Ui/ViewModels/TaskDetailViewModel.cs

@@ -16,12 +16,18 @@ public partial class TaskDetailViewModel : ViewModelBase
     private readonly ListRepository _listRepo;
     private readonly GitService _git;
     private readonly WorkerClient _worker;
+    private readonly TagRepository _tagRepo;
 
     [ObservableProperty] private string _title = "";
     [ObservableProperty] private string? _description;
     [ObservableProperty] private string? _result;
     [ObservableProperty] private string? _logPath;
     [ObservableProperty] private string _statusText = "";
+    [ObservableProperty] private string _statusChoice = "Manual";
+    [ObservableProperty] private string _commitType = "chore";
+
+    public static string[] StatusChoices { get; } = ["Manual", "Queued", "Running", "Done", "Failed"];
+    public static string[] CommitTypes { get; } = ["feat", "fix", "refactor", "docs", "test", "chore", "ci", "perf", "style", "build"];
 
     // Worktree
     [ObservableProperty] private bool _hasWorktree;
@@ -32,19 +38,25 @@ public partial class TaskDetailViewModel : ViewModelBase
 
     // Live stream
     public ObservableCollection<string> LiveLines { get; } = new();
+    public ObservableCollection<TagEntity> Tags { get; } = new();
+    [ObservableProperty] private string _newTagInput = "";
 
     private string? _taskId;
     private string? _listId;
+    private bool _isLoading;
     private const int MaxLiveLines = 500;
 
+    public event Action<string>? TaskChanged;
+
     public TaskDetailViewModel(TaskRepository taskRepo, WorktreeRepository worktreeRepo,
-        ListRepository listRepo, GitService git, WorkerClient worker)
+        ListRepository listRepo, GitService git, WorkerClient worker, TagRepository tagRepo)
     {
         _taskRepo = taskRepo;
         _worktreeRepo = worktreeRepo;
         _listRepo = listRepo;
         _git = git;
         _worker = worker;
+        _tagRepo = tagRepo;
 
         worker.TaskMessageEvent += OnTaskMessage;
         worker.WorktreeUpdatedEvent += OnWorktreeUpdated;
@@ -59,16 +71,77 @@ public partial class TaskDetailViewModel : ViewModelBase
         var task = await _taskRepo.GetByIdAsync(taskId);
         if (task is null) return;
 
-        _listId = task.ListId;
+        _isLoading = true;
-        Title = task.Title;
+        try
-        Description = task.Description;
+        {
-        Result = task.Result;
+            _listId = task.ListId;
-        LogPath = task.LogPath;
+            Title = task.Title;
-        StatusText = task.Status.ToString().ToLowerInvariant();
+            Description = task.Description;
+            Result = task.Result;
+            LogPath = task.LogPath;
+            StatusText = task.Status.ToString().ToLowerInvariant();
+            StatusChoice = task.Status.ToString();
+            CommitType = task.CommitType;
+
+            Tags.Clear();
+            var tags = await _taskRepo.GetTagsAsync(taskId);
+            foreach (var tag in tags)
+                Tags.Add(tag);
+        }
+        finally
+        {
+            _isLoading = false;
+        }
 
         await LoadWorktreeAsync(taskId);
     }
 
+    public async Task SaveAsync()
+    {
+        if (_isLoading || _taskId is null) return;
+
+        var entity = await _taskRepo.GetByIdAsync(_taskId);
+        if (entity is null) return;
+
+        entity.Title = Title;
+        entity.Description = Description;
+        entity.CommitType = CommitType;
+
+        if (Enum.TryParse<Data.Models.TaskStatus>(StatusChoice, true, out var status))
+            entity.Status = status;
+
+        await _taskRepo.UpdateAsync(entity);
+        StatusText = entity.Status.ToString().ToLowerInvariant();
+        TaskChanged?.Invoke(_taskId);
+    }
+
+    [RelayCommand]
+    private async Task AddTag()
+    {
+        var name = NewTagInput.Trim();
+        if (string.IsNullOrEmpty(name) || _taskId is null) return;
+
+        var tagId = await _tagRepo.GetOrCreateAsync(name);
+        await _taskRepo.AddTagAsync(_taskId, tagId);
+
+        Tags.Clear();
+        var tags = await _taskRepo.GetTagsAsync(_taskId);
+        foreach (var tag in tags)
+            Tags.Add(tag);
+
+        NewTagInput = "";
+        TaskChanged?.Invoke(_taskId);
+    }
+
+    [RelayCommand]
+    private async Task RemoveTag(TagEntity tag)
+    {
+        if (_taskId is null) return;
+        await _taskRepo.RemoveTagAsync(_taskId, tag.Id);
+        Tags.Remove(tag);
+        TaskChanged?.Invoke(_taskId);
+    }
+
     public void Clear()
     {
         _taskId = null;
@@ -80,6 +153,10 @@ public partial class TaskDetailViewModel : ViewModelBase
         StatusText = "";
         HasWorktree = false;
         LiveLines.Clear();
+        Tags.Clear();
+        NewTagInput = "";
+        StatusChoice = "Manual";
+        CommitType = "chore";
     }
 
     private async Task LoadWorktreeAsync(string taskId)