feat(ui): replace LiveLines with formatted LiveText, add log reload and start feedback

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

src/ClaudeDo.Ui/ViewModels/TaskDetailViewModel.cs

@@ -1,8 +1,11 @@
 using System.Collections.ObjectModel;
+using System.ComponentModel;
 using System.Diagnostics;
+using System.IO;
 using ClaudeDo.Data.Git;
 using ClaudeDo.Data.Models;
 using ClaudeDo.Data.Repositories;
+using ClaudeDo.Ui.Helpers;
 using ClaudeDo.Ui.Services;
 using CommunityToolkit.Mvvm.ComponentModel;
 using CommunityToolkit.Mvvm.Input;
@@ -37,14 +40,14 @@ public partial class TaskDetailViewModel : ViewModelBase
     [ObservableProperty] private string _worktreeState = "";
 
     // Live stream
-    public ObservableCollection<string> LiveLines { get; } = new();
+    [ObservableProperty] private string _liveText = "";
+    private StreamLineFormatter _formatter = 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;
 
@@ -61,12 +64,15 @@ public partial class TaskDetailViewModel : ViewModelBase
         worker.TaskMessageEvent += OnTaskMessage;
         worker.WorktreeUpdatedEvent += OnWorktreeUpdated;
         worker.TaskUpdatedEvent += OnTaskUpdated;
+        worker.RunNowRequestedEvent += OnRunNowRequested;
+        worker.TaskStartedEvent += OnTaskStarted;
     }
 
     public async Task LoadAsync(string taskId)
     {
         _taskId = taskId;
-        LiveLines.Clear();
+        LiveText = "";
+        _formatter = new StreamLineFormatter();
 
         var task = await _taskRepo.GetByIdAsync(taskId);
         if (task is null) return;
@@ -79,6 +85,13 @@ public partial class TaskDetailViewModel : ViewModelBase
             Description = task.Description;
             Result = task.Result;
             LogPath = task.LogPath;
+            if (task.LogPath is not null
+                && task.Status is Data.Models.TaskStatus.Done or Data.Models.TaskStatus.Failed
+                && File.Exists(task.LogPath))
+            {
+                _formatter = new StreamLineFormatter();
+                LiveText = _formatter.FormatFile(task.LogPath);
+            }
             StatusText = task.Status.ToString().ToLowerInvariant();
             StatusChoice = task.Status.ToString();
             CommitType = task.CommitType;
@@ -152,7 +165,8 @@ public partial class TaskDetailViewModel : ViewModelBase
         LogPath = null;
         StatusText = "";
         HasWorktree = false;
-        LiveLines.Clear();
+        LiveText = "";
+        _formatter = new StreamLineFormatter();
         Tags.Clear();
         NewTagInput = "";
         StatusChoice = "Manual";
@@ -259,9 +273,27 @@ public partial class TaskDetailViewModel : ViewModelBase
     private void OnTaskMessage(string taskId, string line)
     {
         if (taskId != _taskId) return;
-        if (LiveLines.Count >= MaxLiveLines)
-            LiveLines.RemoveAt(0);
-        LiveLines.Add(line);
+        var formatted = _formatter.FormatLine(line);
+        if (formatted is not null)
+        {
+            LiveText += formatted;
+            if (LiveText.Length > 50_000)
+                LiveText = StreamLineFormatter.Trim(LiveText);
+        }
+    }
+
+    private void OnRunNowRequested(string taskId)
+    {
+        if (taskId != _taskId) return;
+        StatusText = "starting...";
+        LiveText = "";
+        _formatter = new StreamLineFormatter();
+    }
+
+    private void OnTaskStarted(string slot, string taskId, DateTime startedAt)
+    {
+        if (taskId != _taskId) return;
+        StatusText = "running";
     }
 
     private async void OnWorktreeUpdated(string taskId)

src/ClaudeDo.Ui/Views/TaskDetailView.axaml

@@ -107,17 +107,19 @@
             <TextBlock Text="Live Output" FontWeight="SemiBold" FontSize="12"
                        Foreground="{StaticResource TextSecondaryBrush}" Margin="0,8,0,2"/>
             <Border BorderBrush="{StaticResource BorderSubtleBrush}" BorderThickness="1"
-                    CornerRadius="6" Padding="6" MaxHeight="200">
-                <ScrollViewer>
-                    <ItemsControl ItemsSource="{Binding LiveLines}">
-                        <ItemsControl.ItemTemplate>
-                            <DataTemplate>
-                                <TextBlock Text="{Binding}" FontFamily="Consolas,Courier New,monospace"
-                                           FontSize="11" TextWrapping="NoWrap"
-                                           Foreground="{StaticResource TextPrimaryBrush}"/>
-                            </DataTemplate>
-                        </ItemsControl.ItemTemplate>
-                    </ItemsControl>
+                    CornerRadius="6" Padding="6" MaxHeight="300">
+                <ScrollViewer x:Name="LiveOutputScroll">
+                    <TextBox x:Name="LiveOutputBox"
+                             Text="{Binding LiveText, Mode=OneWay}"
+                             IsReadOnly="True"
+                             AcceptsReturn="True"
+                             TextWrapping="NoWrap"
+                             FontFamily="Consolas,Courier New,monospace"
+                             FontSize="11"
+                             Foreground="{StaticResource TextPrimaryBrush}"
+                             Background="Transparent"
+                             BorderThickness="0"
+                             Padding="0"/>
                 </ScrollViewer>
             </Border>
 

src/ClaudeDo.Ui/Views/TaskDetailView.axaml.cs

@@ -1,3 +1,4 @@
+using System.ComponentModel;
 using Avalonia.Controls;
 using Avalonia.Input;
 using Avalonia.Interactivity;
@@ -31,4 +32,22 @@ public partial class TaskDetailView : UserControl
     {
         this.FindControl<TextBox>("TitleBox")?.Focus();
     }
+
+    protected override void OnDataContextChanged(EventArgs e)
+    {
+        base.OnDataContextChanged(e);
+        if (DataContext is TaskDetailViewModel vm)
+        {
+            vm.PropertyChanged += OnViewModelPropertyChanged;
+        }
+    }
+
+    private void OnViewModelPropertyChanged(object? sender, PropertyChangedEventArgs e)
+    {
+        if (e.PropertyName == nameof(TaskDetailViewModel.LiveText))
+        {
+            var scroll = this.FindControl<ScrollViewer>("LiveOutputScroll");
+            scroll?.ScrollToEnd();
+        }
+    }
 }