Initial commit to new repository

src/AxCopilot/Views/AgentStatsDashboardWindow.xaml.cs

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+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Shapes;
+using AxCopilot.Services;
+
+namespace AxCopilot.Views;
+
+/// <summary>에이전트 실행 통계 대시보드 창.</summary>
+public partial class AgentStatsDashboardWindow : Window
+{
+    private int _currentDays = 1; // 현재 필터 (오늘=1)
+
+    public AgentStatsDashboardWindow()
+    {
+        InitializeComponent();
+        Loaded += (_, _) => LoadStats(_currentDays);
+    }
+
+    // ─── 이벤트 핸들러 ────────────────────────────────────────────────────
+
+    private void TitleBar_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
+    {
+        // 타이틀바 우측 닫기 버튼 영역에서는 DragMove 실행하지 않음
+        var pos = e.GetPosition(this);
+        if (pos.X > ActualWidth - 50) return;
+
+        if (e.ClickCount == 2)
+        {
+            WindowState = WindowState == WindowState.Maximized
+                ? WindowState.Normal : WindowState.Maximized;
+        }
+        else DragMove();
+    }
+
+    private void BtnClose_Click(object sender, MouseButtonEventArgs e) => Close();
+
+    private void Filter_Click(object sender, MouseButtonEventArgs e)
+    {
+        if (sender is not Border b || b.Tag is not string tagStr) return;
+        if (!int.TryParse(tagStr, out var days)) return;
+
+        _currentDays = days;
+        UpdateFilterButtons(b);
+        LoadStats(days);
+    }
+
+    private void BtnClearStats_Click(object sender, MouseButtonEventArgs e)
+    {
+        var result = CustomMessageBox.Show(
+            "모든 통계 데이터를 삭제하시겠습니까?\n이 작업은 되돌릴 수 없습니다.",
+            "통계 초기화",
+            MessageBoxButton.YesNo, MessageBoxImage.Question);
+        if (result != MessageBoxResult.Yes) return;
+
+        AgentStatsService.Clear();
+        LoadStats(_currentDays);
+    }
+
+    // ─── 통계 로드/렌더링 ─────────────────────────────────────────────────
+
+    private void LoadStats(int days)
+    {
+        var summary = AgentStatsService.Aggregate(days);
+        RenderSummaryCards(summary);
+        RenderDailyChart(summary, days);
+        RenderToolFreq(summary);
+        RenderBreakdowns(summary);
+        UpdateStatus(summary, days);
+    }
+
+    private void RenderSummaryCards(AgentStatsService.AgentStatsSummary s)
+    {
+        SummaryCards.Children.Clear();
+        SummaryCards.Children.Add(MakeSummaryCard("\uE9D9", "총 실행",   s.TotalSessions.ToString("N0"),  "#A78BFA"));
+        SummaryCards.Children.Add(MakeSummaryCard("\uE8A7", "도구 호출", s.TotalToolCalls.ToString("N0"), "#3B82F6"));
+        SummaryCards.Children.Add(MakeSummaryCard("\uE7C8", "총 토큰",   FormatTokens(s.TotalTokens),     "#10B981"));
+        SummaryCards.Children.Add(MakeSummaryCard("\uE73E", "재시도 품질",
+            $"{s.RetryQualityRate * 100:F0}%",
+            "#F59E0B"));
+    }
+
+    private Border MakeSummaryCard(string icon, string label, string value, string colorHex)
+    {
+        var bg  = TryFindResource("ItemBackground") as Brush
+                  ?? new SolidColorBrush(Color.FromRgb(0x2A, 0x2A, 0x40));
+        var fg  = TryFindResource("PrimaryText")    as Brush ?? Brushes.White;
+        var sub = TryFindResource("SecondaryText")  as Brush ?? Brushes.Gray;
+        var col = (Color)ColorConverter.ConvertFromString(colorHex);
+
+        var card = new Border
+        {
+            Background   = bg,
+            CornerRadius = new CornerRadius(10),
+            Padding      = new Thickness(14, 12, 14, 12),
+            Margin       = new Thickness(0, 0, 8, 0),
+        };
+        var sp = new StackPanel();
+        sp.Children.Add(new TextBlock
+        {
+            Text       = icon,
+            FontFamily = new FontFamily("Segoe MDL2 Assets"),
+            FontSize   = 16,
+            Foreground = new SolidColorBrush(col),
+            Margin     = new Thickness(0, 0, 0, 6),
+        });
+        sp.Children.Add(new TextBlock
+        {
+            Text       = value,
+            FontSize   = 20,
+            FontWeight = FontWeights.Bold,
+            Foreground = fg,
+        });
+        sp.Children.Add(new TextBlock
+        {
+            Text       = label,
+            FontSize   = 11,
+            Foreground = sub,
+            Margin     = new Thickness(0, 2, 0, 0),
+        });
+        card.Child = sp;
+        return card;
+    }
+
+    private void RenderDailyChart(AgentStatsService.AgentStatsSummary s, int days)
+    {
+        DailyBarChart.Children.Clear();
+        DailyBarLabels.Children.Clear();
+
+        // 최근 N일 날짜 범위 구성
+        var endDate   = DateTime.Today;
+        int chartDays = days == 1 ? 1 : days == 0 ? 30 : days;
+        var dates     = Enumerable.Range(0, chartDays)
+                                  .Select(i => endDate.AddDays(-(chartDays - 1 - i)))
+                                  .ToList();
+
+        var maxVal = dates
+            .Select(d => s.DailySessions.GetValueOrDefault(d.ToString("yyyy-MM-dd"), 0))
+            .DefaultIfEmpty(0).Max();
+        if (maxVal == 0) maxVal = 1;
+
+        var barColor = (Color)ColorConverter.ConvertFromString("#4B5EFC");
+        var chartW   = 748.0; // 근사값 (Canvas는 레이아웃 후 ActualWidth 확정)
+        var barGap   = 2.0;
+        var barW     = Math.Max(4, (chartW - barGap * dates.Count) / dates.Count);
+        var chartH   = 100.0;
+
+        for (int i = 0; i < dates.Count; i++)
+        {
+            var dateKey = dates[i].ToString("yyyy-MM-dd");
+            var val     = s.DailySessions.GetValueOrDefault(dateKey, 0);
+            var barH    = Math.Max(2, val / (double)maxVal * (chartH - 4));
+            var x       = i * (barW + barGap);
+
+            var rect = new Rectangle
+            {
+                Width            = barW,
+                Height           = barH,
+                Fill             = new SolidColorBrush(Color.FromArgb(0xCC,
+                    barColor.R, barColor.G, barColor.B)),
+                RadiusX          = 3,
+                RadiusY          = 3,
+                ToolTip          = $"{dateKey}: {val}회",
+            };
+            Canvas.SetLeft(rect, x);
+            Canvas.SetTop(rect, chartH - barH);
+            DailyBarChart.Children.Add(rect);
+
+            // 레이블: 7일 이하면 모두 표시, 그 이상이면 월요일만
+            if (dates.Count <= 7 || dates[i].DayOfWeek == DayOfWeek.Monday)
+            {
+                var lbl = new TextBlock
+                {
+                    Text       = dates[i].ToString("MM/dd"),
+                    FontSize   = 9,
+                    Foreground = TryFindResource("SecondaryText") as Brush ?? Brushes.Gray,
+                };
+                Canvas.SetLeft(lbl, x);
+                DailyBarLabels.Children.Add(lbl);
+            }
+        }
+    }
+
+    private void RenderToolFreq(AgentStatsService.AgentStatsSummary s)
+    {
+        ToolFreqPanel.Children.Clear();
+        if (s.ToolFrequency.Count == 0)
+        {
+            ToolFreqPanel.Children.Add(new TextBlock
+            {
+                Text       = "데이터 없음",
+                FontSize   = 12,
+                Foreground = TryFindResource("SecondaryText") as Brush ?? Brushes.Gray,
+            });
+            return;
+        }
+
+        var maxVal   = s.ToolFrequency.Values.Max();
+        var barColor = (Color)ColorConverter.ConvertFromString("#3B82F6");
+
+        foreach (var (tool, count) in s.ToolFrequency)
+        {
+            var ratio = (double)count / maxVal;
+            var row   = new Grid { Margin = new Thickness(0, 2, 0, 2) };
+            row.ColumnDefinitions.Add(new ColumnDefinition { Width = new GridLength(120) });
+            row.ColumnDefinitions.Add(new ColumnDefinition());
+            row.ColumnDefinitions.Add(new ColumnDefinition { Width = new GridLength(36) });
+
+            var nameTb = new TextBlock
+            {
+                Text       = tool,
+                FontSize   = 11,
+                FontFamily = new FontFamily("Consolas"),
+                Foreground = TryFindResource("PrimaryText") as Brush ?? Brushes.White,
+                TextTrimming = TextTrimming.CharacterEllipsis,
+                VerticalAlignment = VerticalAlignment.Center,
+            };
+            Grid.SetColumn(nameTb, 0);
+
+            var barBg = new Border
+            {
+                Background   = new SolidColorBrush(Color.FromArgb(0x20, 0x3B, 0x82, 0xF6)),
+                CornerRadius = new CornerRadius(3),
+                Height       = 10,
+                Margin       = new Thickness(6, 0, 4, 0),
+                VerticalAlignment = VerticalAlignment.Center,
+            };
+            var barFg = new Border
+            {
+                Background   = new SolidColorBrush(Color.FromArgb(0xCC, barColor.R, barColor.G, barColor.B)),
+                CornerRadius = new CornerRadius(3),
+                Height       = 10,
+                HorizontalAlignment = HorizontalAlignment.Left,
+            };
+            barFg.Width = ratio * 150; // 최대 150px
+            barBg.Child = barFg;
+            Grid.SetColumn(barBg, 1);
+
+            var countTb = new TextBlock
+            {
+                Text       = count.ToString(),
+                FontSize   = 11,
+                FontWeight = FontWeights.SemiBold,
+                Foreground = TryFindResource("SecondaryText") as Brush ?? Brushes.Gray,
+                HorizontalAlignment = HorizontalAlignment.Right,
+                VerticalAlignment   = VerticalAlignment.Center,
+            };
+            Grid.SetColumn(countTb, 2);
+
+            row.Children.Add(nameTb);
+            row.Children.Add(barBg);
+            row.Children.Add(countTb);
+            ToolFreqPanel.Children.Add(row);
+        }
+    }
+
+    private void RenderBreakdowns(AgentStatsService.AgentStatsSummary s)
+    {
+        // 탭 분포
+        TabBreakPanel.Children.Clear();
+        var tabColors = new Dictionary<string, string>
+        {
+            ["Cowork"] = "#A78BFA",
+            ["Code"]   = "#34D399",
+            ["Chat"]   = "#3B82F6",
+        };
+        foreach (var (tab, count) in s.TabBreakdown.OrderByDescending(kv => kv.Value))
+        {
+            var c = tabColors.GetValueOrDefault(tab, "#9CA3AF");
+            TabBreakPanel.Children.Add(MakeBreakRow(tab, count, c,
+                s.TabBreakdown.Values.DefaultIfEmpty(1).Max()));
+        }
+        if (s.TabBreakdown.Count == 0)
+            TabBreakPanel.Children.Add(MakeEmptyText());
+
+        // 모델 분포
+        ModelBreakPanel.Children.Clear();
+        foreach (var (model, count) in s.ModelBreakdown.OrderByDescending(kv => kv.Value))
+        {
+            var shortName = model.Length > 18 ? model[..18] + "…" : model;
+            ModelBreakPanel.Children.Add(MakeBreakRow(shortName, count, "#F59E0B",
+                s.ModelBreakdown.Values.DefaultIfEmpty(1).Max()));
+        }
+        if (s.ModelBreakdown.Count == 0)
+            ModelBreakPanel.Children.Add(MakeEmptyText());
+    }
+
+    private UIElement MakeBreakRow(string label, int count, string colorHex, int maxVal)
+    {
+        var ratio = maxVal > 0 ? (double)count / maxVal : 0;
+        var col   = (Color)ColorConverter.ConvertFromString(colorHex);
+
+        var row = new StackPanel { Margin = new Thickness(0, 2, 0, 2) };
+        var header = new Grid();
+        header.ColumnDefinitions.Add(new ColumnDefinition());
+        header.ColumnDefinitions.Add(new ColumnDefinition { Width = new GridLength(1, GridUnitType.Auto) });
+
+        var lbl = new TextBlock
+        {
+            Text      = label,
+            FontSize  = 11,
+            Foreground = TryFindResource("PrimaryText") as Brush ?? Brushes.White,
+        };
+        Grid.SetColumn(lbl, 0);
+
+        var cnt = new TextBlock
+        {
+            Text      = count.ToString(),
+            FontSize  = 11,
+            FontWeight= FontWeights.SemiBold,
+            Foreground = TryFindResource("SecondaryText") as Brush ?? Brushes.Gray,
+        };
+        Grid.SetColumn(cnt, 1);
+        header.Children.Add(lbl);
+        header.Children.Add(cnt);
+        row.Children.Add(header);
+
+        // 바 차트
+        var barBg = new Border
+        {
+            Background   = new SolidColorBrush(Color.FromArgb(0x20, col.R, col.G, col.B)),
+            CornerRadius = new CornerRadius(3),
+            Height       = 6,
+            Margin       = new Thickness(0, 3, 0, 0),
+        };
+        var barFg = new Border
+        {
+            Background   = new SolidColorBrush(Color.FromArgb(0xCC, col.R, col.G, col.B)),
+            CornerRadius = new CornerRadius(3),
+            Height       = 6,
+            HorizontalAlignment = HorizontalAlignment.Left,
+        };
+        barFg.Width = ratio * 160; // 최대 160px
+        barBg.Child = barFg;
+        row.Children.Add(barBg);
+        return row;
+    }
+
+    private TextBlock MakeEmptyText() => new()
+    {
+        Text       = "데이터 없음",
+        FontSize   = 11,
+        Foreground = TryFindResource("SecondaryText") as Brush ?? Brushes.Gray,
+    };
+
+    private void UpdateFilterButtons(Border active)
+    {
+        foreach (var btn in new[] { FilterToday, Filter7d, Filter30d, FilterAll })
+        {
+            var isActive = btn == active;
+            btn.Background = isActive
+                ? new SolidColorBrush(Color.FromRgb(0x4B, 0x5E, 0xFC))
+                : TryFindResource("ItemBackground") as Brush
+                  ?? new SolidColorBrush(Color.FromRgb(0x30, 0x30, 0x45));
+            if (btn.Child is TextBlock tb)
+            {
+                tb.Foreground = isActive
+                    ? Brushes.White
+                    : TryFindResource("SecondaryText") as Brush ?? Brushes.Gray;
+            }
+        }
+    }
+
+    private void UpdateStatus(AgentStatsService.AgentStatsSummary s, int days)
+    {
+        var period = days switch
+        {
+            1  => "오늘",
+            7  => "최근 7일",
+            30 => "최근 30일",
+            _  => "전체 기간",
+        };
+        var fileSize = AgentStatsService.GetFileSize();
+        var taskQuality = string.Join(", ",
+            s.RetryQualityByTaskType
+             .OrderByDescending(kv => kv.Value)
+             .ThenBy(kv => kv.Key, StringComparer.Ordinal)
+             .Take(3)
+             .Select(kv => $"{kv.Key} {kv.Value * 100:F0}%"));
+        var taskQualityText = string.IsNullOrWhiteSpace(taskQuality)
+            ? "task 품질 데이터 없음"
+            : $"task 품질 {taskQuality}";
+        StatusText.Text =
+            $"{period} 기준 | 세션 {s.TotalSessions}회, 도구 호출 {s.TotalToolCalls}회, " +
+            $"토큰 {FormatTokens(s.TotalTokens)} | 재시도 복구 {s.TotalRecoveredAfterFailure}, 반복차단 {s.TotalRepeatedFailureBlocked} | {taskQualityText} | 저장 파일 {FormatFileSize(fileSize)}";
+    }
+
+    private static string FormatTokens(int t) =>
+        t >= 1_000_000 ? $"{t / 1_000_000.0:F1}M"
+        : t >= 1_000 ? $"{t / 1_000.0:F1}K"
+        : t.ToString();
+
+    private static string FormatFileSize(long bytes) =>
+        bytes >= 1024 * 1024 ? $"{bytes / (1024.0 * 1024):F1}MB"
+        : bytes >= 1024 ? $"{bytes / 1024.0:F1}KB"
+        : $"{bytes}B";
+}