[Phase 43] 4개 대형 파일 파셜 클래스 분할

SettingsWindow.AgentConfig (1,202줄):
- AgentConfig.cs → 608줄 (등록모델·스킬·프롬프트·AI토글·사내외모드)
- AgentHooks.cs → 605줄 (에이전트훅·MCP서버·감사로그·폴백설정)

ChatWindow.Presets (1,280줄):
- Presets.cs → 315줄 (대화 주제 버튼)
- CustomPresets.cs → 978줄 (커스텀 프리셋 관리·하단바·포맷메뉴)

ChatWindow.PreviewAndFiles (1,105줄):
- PreviewAndFiles.cs → 709줄 (미리보기 패널)
- FileBrowser.cs → 408줄 (에이전트 진행률 바·파일 탐색기)

WorkflowAnalyzerWindow (929줄):
- WorkflowAnalyzerWindow.xaml.cs → 274줄 (리사이즈·탭·데이터수집)
- WorkflowAnalyzerWindow.Charts.cs → 667줄 (차트·타임라인·패널·유틸)

빌드: 경고 0, 오류 0

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

src/AxCopilot/Views/ChatWindow.PreviewAndFiles.cs

@@ -706,400 +706,4 @@ public partial class ChatWindow
         win.Content = content;
         win.Show();
     }
-
-    // ─── 에이전트 스티키 진행률 바 ──────────────────────────────────────────
-
-    private DateTime _progressStartTime;
-    private DispatcherTimer? _progressElapsedTimer;
-
-    private void UpdateAgentProgressBar(AgentEvent evt)
-    {
-        switch (evt.Type)
-        {
-            case AgentEventType.Planning when evt.Steps is { Count: > 0 }:
-                ShowStickyProgress(evt.Steps.Count);
-                break;
-
-            case AgentEventType.StepStart when evt.StepTotal > 0:
-                UpdateStickyProgress(evt.StepCurrent, evt.StepTotal, evt.Summary);
-                break;
-
-            case AgentEventType.Complete:
-                HideStickyProgress();
-                break;
-        }
-    }
-
-    private void ShowStickyProgress(int totalSteps)
-    {
-        _progressStartTime = DateTime.Now;
-        AgentProgressBar.Visibility = Visibility.Visible;
-        ProgressIcon.Text = "\uE768"; // play
-        ProgressStepLabel.Text = $"작업 준비 중... (0/{totalSteps})";
-        ProgressPercent.Text = "0%";
-        ProgressElapsed.Text = "0:00";
-        ProgressFill.Width = 0;
-
-        // 경과 시간 타이머
-        _progressElapsedTimer?.Stop();
-        _progressElapsedTimer = new DispatcherTimer { Interval = TimeSpan.FromSeconds(1) };
-        _progressElapsedTimer.Tick += (_, _) =>
-        {
-            var elapsed = DateTime.Now - _progressStartTime;
-            ProgressElapsed.Text = elapsed.TotalHours >= 1
-                ? elapsed.ToString(@"h\:mm\:ss")
-                : elapsed.ToString(@"m\:ss");
-        };
-        _progressElapsedTimer.Start();
-    }
-
-    private void UpdateStickyProgress(int currentStep, int totalSteps, string stepDescription)
-    {
-        if (AgentProgressBar.Visibility != Visibility.Visible) return;
-
-        var pct = totalSteps > 0 ? (double)currentStep / totalSteps : 0;
-        ProgressStepLabel.Text = $"{stepDescription} ({currentStep}/{totalSteps})";
-        ProgressPercent.Text = $"{(int)(pct * 100)}%";
-
-        // 프로그레스 바 너비 애니메이션
-        var parentBorder = ProgressFill.Parent as Border;
-        if (parentBorder != null)
-        {
-            var targetWidth = parentBorder.ActualWidth * pct;
-            var anim = new System.Windows.Media.Animation.DoubleAnimation(
-                ProgressFill.Width, targetWidth, TimeSpan.FromMilliseconds(300))
-            {
-                EasingFunction = new System.Windows.Media.Animation.QuadraticEase(),
-            };
-            ProgressFill.BeginAnimation(WidthProperty, anim);
-        }
-    }
-
-    private void HideStickyProgress()
-    {
-        _progressElapsedTimer?.Stop();
-        _progressElapsedTimer = null;
-
-        if (AgentProgressBar.Visibility != Visibility.Visible) return;
-
-        // 완료 표시 후 페이드아웃
-        ProgressIcon.Text = "\uE930"; // check
-        ProgressStepLabel.Text = "작업 완료";
-        ProgressPercent.Text = "100%";
-
-        // 프로그레스 바 100%
-        var parentBorder = ProgressFill.Parent as Border;
-        if (parentBorder != null)
-        {
-            var anim = new System.Windows.Media.Animation.DoubleAnimation(
-                ProgressFill.Width, parentBorder.ActualWidth, TimeSpan.FromMilliseconds(200));
-            ProgressFill.BeginAnimation(WidthProperty, anim);
-        }
-
-        // 3초 후 숨기기
-        var hideTimer = new DispatcherTimer { Interval = TimeSpan.FromSeconds(3) };
-        hideTimer.Tick += (_, _) =>
-        {
-            hideTimer.Stop();
-            var fadeOut = new System.Windows.Media.Animation.DoubleAnimation(1, 0, TimeSpan.FromMilliseconds(300));
-            fadeOut.Completed += (_, _) =>
-            {
-                AgentProgressBar.Visibility = Visibility.Collapsed;
-                AgentProgressBar.Opacity = 1;
-                ProgressFill.BeginAnimation(WidthProperty, null);
-                ProgressFill.Width = 0;
-            };
-            AgentProgressBar.BeginAnimation(UIElement.OpacityProperty, fadeOut);
-        };
-        hideTimer.Start();
-    }
-
-    // ─── 파일 탐색기 ──────────────────────────────────────────────────────
-
-    private static readonly HashSet<string> _ignoredDirs = new(StringComparer.OrdinalIgnoreCase)
-    {
-        "bin", "obj", "node_modules", ".git", ".vs", ".idea", ".vscode",
-        "__pycache__", ".mypy_cache", ".pytest_cache", "dist", "build",
-        ".cache", ".next", ".nuxt", "coverage", ".terraform",
-    };
-
-    private DispatcherTimer? _fileBrowserRefreshTimer;
-
-    private void ToggleFileBrowser()
-    {
-        if (FileBrowserPanel.Visibility == Visibility.Visible)
-        {
-            FileBrowserPanel.Visibility = Visibility.Collapsed;
-            Llm.ShowFileBrowser = false;
-        }
-        else
-        {
-            FileBrowserPanel.Visibility = Visibility.Visible;
-            Llm.ShowFileBrowser = true;
-            BuildFileTree();
-        }
-        _settings.Save();
-    }
-
-    private void BtnFileBrowserRefresh_Click(object sender, RoutedEventArgs e) => BuildFileTree();
-
-    private void BtnFileBrowserOpenFolder_Click(object sender, RoutedEventArgs e)
-    {
-        var folder = GetCurrentWorkFolder();
-        if (string.IsNullOrEmpty(folder) || !System.IO.Directory.Exists(folder)) return;
-        try { System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo { FileName = folder, UseShellExecute = true }); } catch (Exception) { /* 폴더 열기 실패 */ }
-    }
-
-    private void BtnFileBrowserClose_Click(object sender, RoutedEventArgs e)
-    {
-        FileBrowserPanel.Visibility = Visibility.Collapsed;
-    }
-
-    private void BuildFileTree()
-    {
-        FileTreeView.Items.Clear();
-        var folder = GetCurrentWorkFolder();
-        if (string.IsNullOrEmpty(folder) || !System.IO.Directory.Exists(folder))
-        {
-            FileTreeView.Items.Add(new TreeViewItem { Header = "작업 폴더를 선택하세요", IsEnabled = false });
-            return;
-        }
-
-        FileBrowserTitle.Text = $"파일 탐색기 — {System.IO.Path.GetFileName(folder)}";
-        var count = 0;
-        PopulateDirectory(new System.IO.DirectoryInfo(folder), FileTreeView.Items, 0, ref count);
-    }
-
-    private void PopulateDirectory(System.IO.DirectoryInfo dir, ItemCollection items, int depth, ref int count)
-    {
-        if (depth > 4 || count > 200) return;
-
-        // 디렉터리
-        try
-        {
-            foreach (var subDir in dir.GetDirectories().OrderBy(d => d.Name))
-            {
-                if (count > 200) break;
-                if (_ignoredDirs.Contains(subDir.Name) || subDir.Name.StartsWith('.')) continue;
-
-                count++;
-                var dirItem = new TreeViewItem
-                {
-                    Header = CreateFileTreeHeader("\uED25", subDir.Name, null),
-                    Tag = subDir.FullName,
-                    IsExpanded = depth < 1,
-                };
-
-                // 지연 로딩: 더미 자식 → 펼칠 때 실제 로드
-                if (depth < 3)
-                {
-                    dirItem.Items.Add(new TreeViewItem { Header = "로딩 중..." }); // 더미
-                    var capturedDir = subDir;
-                    var capturedDepth = depth;
-                    dirItem.Expanded += (s, _) =>
-                    {
-                        if (s is TreeViewItem ti && ti.Items.Count == 1 && ti.Items[0] is TreeViewItem d && d.Header?.ToString() == "로딩 중...")
-                        {
-                            ti.Items.Clear();
-                            int c = 0;
-                            PopulateDirectory(capturedDir, ti.Items, capturedDepth + 1, ref c);
-                        }
-                    };
-                }
-                else
-                {
-                    PopulateDirectory(subDir, dirItem.Items, depth + 1, ref count);
-                }
-
-                items.Add(dirItem);
-            }
-        }
-        catch (Exception) { /* 비핵심 작업 실패 — UI 차단 방지 */ }
-
-        // 파일
-        try
-        {
-            foreach (var file in dir.GetFiles().OrderBy(f => f.Name))
-            {
-                if (count > 200) break;
-                count++;
-
-                var ext = file.Extension.ToLowerInvariant();
-                var icon = GetFileIcon(ext);
-                var size = FormatFileSize(file.Length);
-
-                var fileItem = new TreeViewItem
-                {
-                    Header = CreateFileTreeHeader(icon, file.Name, size),
-                    Tag = file.FullName,
-                };
-
-                // 더블클릭 → 프리뷰
-                var capturedPath = file.FullName;
-                fileItem.MouseDoubleClick += (s, e) =>
-                {
-                    e.Handled = true;
-                    TryShowPreview(capturedPath);
-                };
-
-                // 우클릭 → 컨텍스트 메뉴 (MouseRightButtonUp에서 열어야 Popup이 바로 닫히지 않음)
-                fileItem.MouseRightButtonUp += (s, e) =>
-                {
-                    e.Handled = true;
-                    if (s is TreeViewItem ti) ti.IsSelected = true;
-                    ShowFileTreeContextMenu(capturedPath);
-                };
-
-                items.Add(fileItem);
-            }
-        }
-        catch (Exception) { /* 비핵심 작업 실패 — UI 차단 방지 */ }
-    }
-
-    private static StackPanel CreateFileTreeHeader(string icon, string name, string? sizeText)
-    {
-        var sp = new StackPanel { Orientation = Orientation.Horizontal };
-        sp.Children.Add(new TextBlock
-        {
-            Text = icon,
-            FontFamily = ThemeResourceHelper.SegoeMdl2,
-            FontSize = 11,
-            Foreground = new SolidColorBrush(Color.FromRgb(0x9C, 0xA3, 0xAF)),
-            VerticalAlignment = VerticalAlignment.Center,
-            Margin = new Thickness(0, 0, 5, 0),
-        });
-        sp.Children.Add(new TextBlock
-        {
-            Text = name,
-            FontSize = 11.5,
-            VerticalAlignment = VerticalAlignment.Center,
-        });
-        if (sizeText != null)
-        {
-            sp.Children.Add(new TextBlock
-            {
-                Text = $"  {sizeText}",
-                FontSize = 10,
-                Foreground = new SolidColorBrush(Color.FromRgb(0x6B, 0x72, 0x80)),
-                VerticalAlignment = VerticalAlignment.Center,
-            });
-        }
-        return sp;
-    }
-
-    private static string GetFileIcon(string ext) => ext switch
-    {
-        ".html" or ".htm" => "\uEB41",
-        ".xlsx" or ".xls" => "\uE9F9",
-        ".docx" or ".doc" => "\uE8A5",
-        ".pdf" => "\uEA90",
-        ".csv" => "\uE80A",
-        ".md" => "\uE70B",
-        ".json" or ".xml" => "\uE943",
-        ".png" or ".jpg" or ".jpeg" or ".gif" or ".svg" or ".webp" => "\uEB9F",
-        ".cs" or ".py" or ".js" or ".ts" or ".java" or ".cpp" => "\uE943",
-        ".bat" or ".cmd" or ".ps1" or ".sh" => "\uE756",
-        ".txt" or ".log" => "\uE8A5",
-        _ => "\uE7C3",
-    };
-
-    private static string FormatFileSize(long bytes) => bytes switch
-    {
-        < 1024 => $"{bytes} B",
-        < 1024 * 1024 => $"{bytes / 1024.0:F1} KB",
-        _ => $"{bytes / (1024.0 * 1024.0):F1} MB",
-    };
-
-    private void ShowFileTreeContextMenu(string filePath)
-    {
-        var primaryText = ThemeResourceHelper.Primary(this);
-        var secondaryText = ThemeResourceHelper.Secondary(this);
-        var hoverBg = ThemeResourceHelper.Hint(this);
-        var dangerBrush = new SolidColorBrush(Color.FromRgb(0xE7, 0x4C, 0x3C));
-
-        var (popup, panel) = PopupMenuHelper.Create(this, this, PlacementMode.MousePoint, minWidth: 200);
-
-        void AddItem(string icon, string label, Action action, Brush? labelColor = null, Brush? iconColor = null)
-            => panel.Children.Add(PopupMenuHelper.MenuItem(label, labelColor ?? primaryText, hoverBg,
-                () => { popup.IsOpen = false; action(); },
-                icon: icon, iconColor: iconColor ?? secondaryText, fontSize: 12.5));
-
-        void AddSep() => panel.Children.Add(PopupMenuHelper.Separator());
-
-        var ext = System.IO.Path.GetExtension(filePath).ToLowerInvariant();
-        if (_previewableExtensions.Contains(ext))
-            AddItem("\uE8A1", "미리보기", () => ShowPreviewPanel(filePath));
-
-        AddItem("\uE8A7", "외부 프로그램으로 열기", () =>
-        {
-            try { System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo { FileName = filePath, UseShellExecute = true }); } catch (Exception) { /* 파일 열기 실패 */ }
-        });
-        AddItem("\uED25", "폴더에서 보기", () =>
-        {
-            try { System.Diagnostics.Process.Start("explorer.exe", $"/select,\"{filePath}\""); } catch (Exception) { /* 탐색기 열기 실패 */ }
-        });
-        AddItem("\uE8C8", "경로 복사", () =>
-        {
-            try { Clipboard.SetText(filePath); ShowToast("경로 복사됨"); } catch (Exception) { /* 클립보드 접근 실패 */ }
-        });
-
-        AddSep();
-
-        // 이름 변경
-        AddItem("\uE8AC", "이름 변경", () =>
-        {
-            var dir = System.IO.Path.GetDirectoryName(filePath) ?? "";
-            var oldName = System.IO.Path.GetFileName(filePath);
-            var dlg = new Views.InputDialog("이름 변경", "새 파일 이름:", oldName) { Owner = this };
-            if (dlg.ShowDialog() == true && !string.IsNullOrWhiteSpace(dlg.ResponseText))
-            {
-                var newPath = System.IO.Path.Combine(dir, dlg.ResponseText.Trim());
-                try
-                {
-                    System.IO.File.Move(filePath, newPath);
-                    BuildFileTree();
-                    ShowToast($"이름 변경: {dlg.ResponseText.Trim()}");
-                }
-                catch (Exception ex) { ShowToast($"이름 변경 실패: {ex.Message}", "\uE783"); }
-            }
-        });
-
-        // 삭제
-        AddItem("\uE74D", "삭제", () =>
-        {
-            var result = MessageBox.Show(
-                $"파일을 삭제하시겠습니까?\n{System.IO.Path.GetFileName(filePath)}",
-                "파일 삭제 확인", MessageBoxButton.YesNo, MessageBoxImage.Warning);
-            if (result == MessageBoxResult.Yes)
-            {
-                try
-                {
-                    System.IO.File.Delete(filePath);
-                    BuildFileTree();
-                    ShowToast("파일 삭제됨");
-                }
-                catch (Exception ex) { ShowToast($"삭제 실패: {ex.Message}", "\uE783"); }
-            }
-        }, dangerBrush, dangerBrush);
-
-        // Dispatcher로 열어야 MouseRightButtonUp 후 바로 닫히지 않음
-        Dispatcher.BeginInvoke(() => { popup.IsOpen = true; },
-            System.Windows.Threading.DispatcherPriority.Input);
-    }
-
-    /// <summary>에이전트가 파일 생성 시 파일 탐색기를 자동 새로고침합니다.</summary>
-    private void RefreshFileTreeIfVisible()
-    {
-        if (FileBrowserPanel.Visibility != Visibility.Visible) return;
-
-        // 디바운스: 500ms 내 중복 호출 방지
-        _fileBrowserRefreshTimer?.Stop();
-        _fileBrowserRefreshTimer = new DispatcherTimer { Interval = TimeSpan.FromMilliseconds(500) };
-        _fileBrowserRefreshTimer.Tick += (_, _) =>
-        {
-            _fileBrowserRefreshTimer.Stop();
-            BuildFileTree();
-        };
-        _fileBrowserRefreshTimer.Start();
-    }
 }