feat(ui): Log Visualizer overlay reachable from a clickable footer log line

src/ClaudeDo.Ui/ViewModels/Modals/LogVisualizerViewModel.cs

@@ -0,0 +1,58 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.Threading.Tasks;
+using ClaudeDo.Data.Models;
+using ClaudeDo.Ui.Localization;
+using ClaudeDo.Ui.Services;
+using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.Input;
+
+namespace ClaudeDo.Ui.ViewModels.Modals;
+
+/// <summary>
+/// Log Visualizer overlay — shows the worker's last 30 min of log records (all levels),
+/// fetched once on open via <see cref="IWorkerClient.GetRecentLogsAsync"/> with a manual
+/// Refresh and a "warnings &amp; errors only" filter.
+/// </summary>
+public sealed partial class LogVisualizerViewModel : ViewModelBase
+{
+    private readonly IWorkerClient _worker;
+    private IReadOnlyList<WorkerLogEntry> _all = Array.Empty<WorkerLogEntry>();
+
+    public ObservableCollection<LogVisualizerRow> Rows { get; } = new();
+
+    [ObservableProperty] private bool _warnErrorOnly;
+    [ObservableProperty] private string _statusText = "";
+
+    public Action? CloseAction { get; set; }
+
+    public LogVisualizerViewModel(IWorkerClient worker) => _worker = worker;
+
+    [RelayCommand]
+    public async Task RefreshAsync()
+    {
+        _all = await _worker.GetRecentLogsAsync();
+        Apply();
+    }
+
+    partial void OnWarnErrorOnlyChanged(bool value) => Apply();
+
+    private void Apply()
+    {
+        Rows.Clear();
+        IEnumerable<WorkerLogEntry> items = WarnErrorOnly
+            ? _all.Where(e => e.Level is WorkerLogLevel.Warn or WorkerLogLevel.Error)
+            : _all;
+        foreach (var e in items)
+            Rows.Add(new LogVisualizerRow(e.TimestampUtc.ToLocalTime().ToString("HH:mm:ss"), e.Message, e.Level));
+        StatusText = Rows.Count == 0
+            ? Loc.T("modals.logVisualizer.empty")
+            : Loc.T("modals.logVisualizer.count", Rows.Count);
+    }
+
+    [RelayCommand] private void Close() => CloseAction?.Invoke();
+}
+
+public sealed record LogVisualizerRow(string Time, string Message, WorkerLogLevel Level);