using System.Linq;
using System.Windows.Data;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;
using System.Windows.Media;
using AxCopilot.Services;
using AxCopilot.ViewModels;

namespace AxCopilot.Views;

public partial class SettingsWindow : Window
{
    private const string UnifiedAdminPassword = "axgo123!";
    private readonly SettingsViewModel _vm;
    private readonly Action<string> _previewCallback;
    private readonly Action _revertCallback;
    private bool _saved;
    private bool _isDisplayModeSyncing;

    /// <summary>
    /// 핫키 녹화 시작/종료를 외부(App.xaml.cs)에 알리는 콜백.
    /// true = 녹화 시작(핫키 일시 정지), false = 녹화 종료(핫키 재개)
    /// </summary>
    public Action<bool>? SuspendHotkeyCallback { get; set; }

    /// <param name="previewCallback">테마 키를 받아 런처에 즉시 미리보기 적용</param>
    /// <param name="revertCallback">취소/X 닫기 시 원래 설정으로 복원</param>
    public SettingsWindow(SettingsViewModel vm, Action<string> previewCallback, Action revertCallback)
    {
        InitializeComponent();
        _vm = vm;
        _previewCallback = previewCallback;
        _revertCallback = revertCallback;
        DataContext = vm;

        if (MainSettingsTab != null && AgentTabItem != null && MainSettingsTab.Items.Contains(AgentTabItem))
            MainSettingsTab.Items.Remove(AgentTabItem);
        if (MainSettingsTab != null && AgentShortcutTabItem != null && MainSettingsTab.Items.Contains(AgentShortcutTabItem))
        {
            MainSettingsTab.Items.Remove(AgentShortcutTabItem);
            MainSettingsTab.Items.Add(AgentShortcutTabItem);
        }

        vm.ThemePreviewRequested += (_, _) => _previewCallback(vm.SelectedThemeKey);
        vm.SaveCompleted += (_, _) =>
        {
            _saved = true;
            Close();
            // 인덱스 재빌드를 백그라운드에서 조용히 실행 (UI 차단 없음)
            _ = Task.Run(async () =>
            {
                try
                {
                    var indexService = ((System.Windows.Application.Current) as App)?.IndexService;
                    if (indexService != null)
                        await indexService.BuildAsync();
                }
                catch { /* 인덱싱 실패해도 설정 저장은 완료 */ }
            });
        };

        Loaded += async (_, _) =>
        {
            RefreshHotkeyBadges();
            SetVersionText();
            EnsureHotkeyInCombo();
            BuildQuoteCategoryCheckboxes();
            BuildDockBarSettings();
            BuildTextActionCommandsPanel();
            if (HasLegacyAgentTab())
            {
                MoveBlockSectionToEtc();
                BuildServiceModelPanels();
            }

            // 스킬이 아직 로드되지 않았으면 백그라운드에서 로드 후 UI 구성
            var app = System.Windows.Application.Current as App;
            var skillsLoaded = Services.Agent.SkillService.Skills.Count > 0;
            if (!skillsLoaded && (app?.SettingsService?.Settings.Llm.EnableSkillSystem ?? false))
            {
                // 스킬 로드 (RuntimeDetector 포함)를 백그라운드에서 실행
                await Task.Run(() =>
                {
                    Services.Agent.SkillService.EnsureSkillFolder();
                    Services.Agent.SkillService.LoadSkills(app?.SettingsService?.Settings.Llm.SkillsFolderPath);
                });
            }

            if (HasLegacyAgentTab())
            {
                BuildToolRegistryPanel();
                LoadAdvancedSettings();
            }
            RefreshStorageInfo();
            // 개발자 모드는 저장된 설정 유지 (끄면 하위 기능 모두 비활성)
            UpdateDevModeContentVisibility();
            // AI 기능 토글 초기화
            ApplyAiEnabledState(app?.SettingsService?.Settings.AiEnabled ?? false, init: true);
            ApplyOperationModeState(app?.SettingsService?.Settings.OperationMode);
            InitializeDisplayModeUi();
            if (HasLegacyAgentTab())
                SyncAgentSelectionCards();
        };
    }

    private bool HasLegacyAgentTab()
        => MainSettingsTab != null && AgentTabItem != null && MainSettingsTab.Items.Contains(AgentTabItem);

    private void SyncAgentSelectionCards()
    {
        var service = (_vm.LlmService ?? "").Trim().ToLowerInvariant();
        if (AgentServiceCardOllama != null) AgentServiceCardOllama.IsChecked = service == "ollama";
        if (AgentServiceCardVllm != null) AgentServiceCardVllm.IsChecked = service == "vllm";
        if (AgentServiceCardGemini != null) AgentServiceCardGemini.IsChecked = service == "gemini";
        if (AgentServiceCardClaude != null) AgentServiceCardClaude.IsChecked = service == "claude";

        var permission = Services.Agent.PermissionModeCatalog.NormalizeGlobalMode(_vm.DefaultAgentPermission);
        if (AgentPermissionCardAsk != null) AgentPermissionCardAsk.IsChecked = permission == "Ask";
        if (AgentPermissionCardPlan != null) AgentPermissionCardPlan.IsChecked = permission == "Plan";
        if (AgentPermissionCardAuto != null) AgentPermissionCardAuto.IsChecked = permission == "Auto";
        if (AgentPermissionCardDeny != null) AgentPermissionCardDeny.IsChecked = permission == "Deny";

        var decision = (_vm.AgentDecisionLevel ?? "normal").Trim().ToLowerInvariant();
        if (AgentDecisionCardMinimal != null) AgentDecisionCardMinimal.IsChecked = decision == "minimal";
        if (AgentDecisionCardNormal != null) AgentDecisionCardNormal.IsChecked = decision == "normal";
        if (AgentDecisionCardDetailed != null) AgentDecisionCardDetailed.IsChecked = decision == "detailed";

        var operationMode = OperationModePolicy.Normalize(_vm.OperationMode);
        if (AgentOperationModeInternal != null) AgentOperationModeInternal.IsChecked = operationMode == OperationModePolicy.InternalMode;
        if (AgentOperationModeExternal != null) AgentOperationModeExternal.IsChecked = operationMode == OperationModePolicy.ExternalMode;

        var maxContextTokens = _vm.LlmMaxContextTokens;
        if (AgentContextTokens4K != null) AgentContextTokens4K.IsChecked = maxContextTokens <= 4096;
        if (AgentContextTokens16K != null) AgentContextTokens16K.IsChecked = maxContextTokens > 4096 && maxContextTokens <= 16384;
        if (AgentContextTokens64K != null) AgentContextTokens64K.IsChecked = maxContextTokens > 16384 && maxContextTokens <= 65536;
        if (AgentContextTokens256K != null) AgentContextTokens256K.IsChecked = maxContextTokens > 65536 && maxContextTokens <= 262144;
        if (AgentContextTokens1M != null) AgentContextTokens1M.IsChecked = maxContextTokens > 262144;

        var retentionDays = _vm.LlmRetentionDays;
        if (AgentRetentionDays7 != null) AgentRetentionDays7.IsChecked = retentionDays == 7;
        if (AgentRetentionDays30 != null) AgentRetentionDays30.IsChecked = retentionDays == 30;
        if (AgentRetentionDays90 != null) AgentRetentionDays90.IsChecked = retentionDays == 90;
        if (AgentRetentionDaysUnlimited != null) AgentRetentionDaysUnlimited.IsChecked = retentionDays == 0;

        var logLevel = (_vm.AgentLogLevel ?? "simple").Trim().ToLowerInvariant();
        if (AgentLogLevelSimple != null) AgentLogLevelSimple.IsChecked = logLevel == "simple";
        if (AgentLogLevelDetailed != null) AgentLogLevelDetailed.IsChecked = logLevel == "detailed";
        if (AgentLogLevelDebug != null) AgentLogLevelDebug.IsChecked = logLevel == "debug";
    }

    private void InitializeDisplayModeUi()
    {
        var app = System.Windows.Application.Current as App;
        if (app?.SettingsService?.Settings?.Llm != null)
            app.SettingsService.Settings.Llm.AgentUiExpressionLevel = "rich";
        SetDisplayMode("rich", persist: false);
    }

    private void DisplayMode_Checked(object sender, RoutedEventArgs e)
    {
        if (_isDisplayModeSyncing) return;
        var rb = sender as RadioButton;
        var next = rb?.Name switch
        {
            "DisplayModeRich" => "rich",
            "DisplayModeSimple" => "simple",
            _ => "balanced",
        };
        SetDisplayMode(next, persist: true);
    }

    private void AgentDisplayMode_Checked(object sender, RoutedEventArgs e)
    {
        if (_isDisplayModeSyncing) return;
        SetDisplayMode("rich", persist: true);
    }

    private void SetDisplayMode(string mode, bool persist)
    {
        mode = NormalizeDisplayMode(mode);

        _isDisplayModeSyncing = true;
        try
        {
            var rich = GetDisplayModeRadio("DisplayModeRich");
            var balanced = GetDisplayModeRadio("DisplayModeBalanced");
            var simple = GetDisplayModeRadio("DisplayModeSimple");
            var agentRich = GetDisplayModeRadio("AgentDisplayModeRich");
            var agentBalanced = GetDisplayModeRadio("AgentDisplayModeBalanced");
            var agentSimple = GetDisplayModeRadio("AgentDisplayModeSimple");
            if (rich != null) rich.IsChecked = mode == "rich";
            if (balanced != null) balanced.IsChecked = mode == "balanced";
            if (simple != null) simple.IsChecked = mode == "simple";
            if (agentRich != null) agentRich.IsChecked = mode == "rich";
            if (agentBalanced != null) agentBalanced.IsChecked = mode == "balanced";
            if (agentSimple != null) agentSimple.IsChecked = mode == "simple";
        }
        finally
        {
            _isDisplayModeSyncing = false;
        }

        ApplyMainTabVisibility(mode);
        if (HasLegacyAgentTab())
            ApplyAgentSubTabVisibility(mode);

        if (!persist) return;
        var app = System.Windows.Application.Current as App;
        if (app?.SettingsService?.Settings?.Llm == null) return;
        app.SettingsService.Settings.Llm.AgentUiExpressionLevel = mode;
        app.SettingsService.Save();
    }

    private void ApplyMainTabVisibility(string mode)
    {
        if (MainSettingsTab == null) return;

        var simpleKeep = new HashSet<string>(StringComparer.OrdinalIgnoreCase)
        {
            "일반", "테마", "기능"
        };
        var balancedKeep = new HashSet<string>(StringComparer.OrdinalIgnoreCase)
        {
            "일반", "테마", "클립보드", "캡처", "시스템", "기능"
        };

        foreach (var item in MainSettingsTab.Items.OfType<TabItem>())
        {
            var header = item.Header?.ToString() ?? "";
            var visible = mode switch
            {
                "simple" => simpleKeep.Contains(header),
                "balanced" => balancedKeep.Contains(header),
                _ => true,
            };

            if (string.Equals(header, "알림", StringComparison.OrdinalIgnoreCase))
                visible = false;
            item.Visibility = visible ? Visibility.Visible : Visibility.Collapsed;
        }

        if (MainSettingsTab.SelectedItem is TabItem selected && selected.Visibility == Visibility.Visible)
            return;

        var firstVisible = MainSettingsTab.Items.OfType<TabItem>().FirstOrDefault(t => t.Visibility == Visibility.Visible);
        if (firstVisible != null)
            MainSettingsTab.SelectedItem = firstVisible;
    }

    private void ApplyAgentSubTabVisibility(string mode)
    {
        if (AgentTabCommon == null) return;

        SetSubTabVisible(AgentTabCommon, true);
        SetSubTabVisible(AgentTabChat, true);
        SetSubTabVisible(AgentTabCoworkCode, true);
        SetSubTabVisible(AgentTabDev, true);
        SetSubTabVisible(AgentTabCowork, false);
        SetSubTabVisible(AgentTabCode, false);
        SetSubTabVisible(AgentTabTools, false);
        SetSubTabVisible(AgentTabEtc, false);

        if (AgentTabCommon.IsChecked != true
            && AgentTabChat.IsChecked != true
            && AgentTabCoworkCode.IsChecked != true
            && AgentTabDev.IsChecked != true)
        {
            AgentTabCommon.IsChecked = true;
        }

        AgentSubTab_Checked(this, new RoutedEventArgs());
    }

    private static void SetSubTabVisible(RadioButton? tab, bool visible)
    {
        if (tab == null) return;
        tab.Visibility = visible ? Visibility.Visible : Visibility.Collapsed;
        if (!visible) tab.IsChecked = false;
    }

    private static string NormalizeDisplayMode(string? mode)
    {
        return (mode ?? "balanced").Trim().ToLowerInvariant() switch
        {
            "rich" => "rich",
            "simple" => "simple",
            _ => "balanced",
        };
    }

    private RadioButton? GetDisplayModeRadio(string name)
    {
        if (MainSettingsTab?.Template == null) return null;
        return MainSettingsTab.Template.FindName(name, MainSettingsTab) as RadioButton;
    }

    // ─── 에이전트 차단 섹션 → 기타 탭 이동 ──────────────────────────────────────

    private void MoveBlockSectionToEtc()
    {
        if (AgentBlockSection == null || AgentEtcContent == null) return;
        var parent = AgentBlockSection.Parent as Panel;
        if (parent != null)
        {
            parent.Children.Remove(AgentBlockSection);
            AgentBlockSection.Margin = new Thickness(0, 0, 0, 16);
            AgentEtcContent.Children.Add(AgentBlockSection);
        }
    }

    // ─── 접기/열기 가능 섹션 헬퍼 ──────────────────────────────────────────
    private Border CreateCollapsibleSection(string title, UIElement content, bool expanded = true)
    {
        var headerColor = new SolidColorBrush((Color)ColorConverter.ConvertFromString("#AAAACC"));
        var section = new StackPanel();
        var contentPanel = new StackPanel { Visibility = expanded ? Visibility.Visible : Visibility.Collapsed };
        if (content is Panel panel)
        {
            // 패널의 자식들을 contentPanel로 옮김 (StackPanel 등)
            contentPanel.Children.Add(content);
        }
        else
        {
            contentPanel.Children.Add(content);
        }

        var arrow = new TextBlock
        {
            Text = "\uE70D",
            FontFamily = new FontFamily("Segoe MDL2 Assets"),
            FontSize = 9,
            Foreground = headerColor,
            VerticalAlignment = VerticalAlignment.Center,
            Margin = new Thickness(0, 0, 6, 0),
            RenderTransformOrigin = new Point(0.5, 0.5),
            RenderTransform = new RotateTransform(expanded ? 90 : 0),
        };
        var titleBlock = new TextBlock
        {
            Text = title,
            FontSize = 10.5,
            FontWeight = FontWeights.SemiBold,
            Foreground = headerColor,
            VerticalAlignment = VerticalAlignment.Center,
        };
        var headerPanel = new StackPanel { Orientation = Orientation.Horizontal };
        headerPanel.Children.Add(arrow);
        headerPanel.Children.Add(titleBlock);

        var header = new Border
        {
            Background = Brushes.Transparent,
            Cursor = Cursors.Hand,
            Padding = new Thickness(2, 10, 2, 6),
            Child = headerPanel,
        };
        header.MouseLeftButtonUp += (s, e) =>
        {
            bool isNowVisible = contentPanel.Visibility == Visibility.Visible;
            contentPanel.Visibility = isNowVisible ? Visibility.Collapsed : Visibility.Visible;
            arrow.RenderTransform = new RotateTransform(isNowVisible ? 0 : 90);
        };
        header.MouseEnter += (s, _) => titleBlock.Foreground = new SolidColorBrush((Color)ColorConverter.ConvertFromString("#CCCCEE"));
        header.MouseLeave += (s, _) => titleBlock.Foreground = headerColor;

        section.Children.Add(header);
        section.Children.Add(contentPanel);

        return new Border
        {
            Child = section,
            Margin = new Thickness(0, 2, 0, 0),
        };
    }

    private Border CreateCollapsibleSection(string title, IEnumerable<UIElement> children, bool expanded = true)
    {
        var contentPanel = new StackPanel();
        foreach (var child in children)
            contentPanel.Children.Add(child);
        return CreateCollapsibleSection(title, contentPanel, expanded);
    }

    // ─── 도구/커넥터 관리 UI (기타 탭) ─────────────────────────────────────────────

    private void BuildToolRegistryPanel()
    {
        if (AgentEtcContent == null) return;

        // 도구 목록 데이터 (카테고리별)
        var toolGroups = new (string Category, string Icon, string IconColor, (string Name, string Desc)[] Tools)[]
        {
            ("파일/검색", "\uE8B7", "#F59E0B", new[]
            {
                ("file_read",       "파일 읽기 ? 텍스트/바이너리 파일의 내용을 읽습니다"),
                ("file_write",      "파일 쓰기 ? 새 파일을 생성하거나 기존 파일을 덮어씁니다"),
                ("file_edit",       "파일 편집 ? 줄 번호 기반으로 파일의 특정 부분을 수정합니다"),
                ("glob",            "파일 패턴 검색 ? 글로브 패턴으로 파일을 찾습니다 (예: **/*.cs)"),
                ("grep_tool",       "텍스트 검색 ? 정규식으로 파일 내용을 검색합니다"),
                ("folder_map",      "폴더 구조 ? 프로젝트의 디렉토리 트리를 조회합니다"),
                ("document_read",   "문서 읽기 ? PDF, DOCX 등 문서 파일의 텍스트를 추출합니다"),
            }),
            ("프로세스/빌드", "\uE756", "#06B6D4", new[]
            {
                ("process",         "프로세스 실행 ? 외부 명령/프로그램을 실행합니다"),
                ("build_run",       "빌드/테스트 ? 프로젝트 타입을 감지하여 빌드/테스트를 실행합니다"),
                ("dev_env_detect",  "개발 환경 감지 ? IDE, 런타임, 빌드 도구를 자동으로 인식합니다"),
            }),
            ("코드 분석", "\uE943", "#818CF8", new[]
            {
                ("search_codebase", "코드 키워드 검색 ? TF-IDF 기반으로 관련 코드를 찾습니다"),
                ("code_review",     "AI 코드 리뷰 ? Git diff 분석, 파일 정적 검사, PR 요약"),
                ("lsp",             "LSP 인텔리전스 ? 정의 이동, 참조 검색, 심볼 목록 (C#/TS/Python)"),
                ("test_loop",       "테스트 루프 ? 테스트 생성/실행/분석 자동화"),
                ("git_tool",        "Git 작업 ? status, log, diff, commit 등 Git 명령 실행"),
                ("snippet_runner",  "코드 실행 ? C#/Python/JavaScript 스니펫 즉시 실행"),
            }),
            ("문서 생성", "\uE8A5", "#34D399", new[]
            {
                ("excel_create",    "Excel 생성 ? .xlsx 스프레드시트를 생성합니다"),
                ("docx_create",     "Word 생성 ? .docx 문서를 생성합니다"),
                ("csv_create",      "CSV 생성 ? CSV 파일을 생성합니다"),
                ("markdown_create", "마크다운 생성 ? .md 파일을 생성합니다"),
                ("html_create",     "HTML 생성 ? HTML 파일을 생성합니다"),
                ("chart_create",    "차트 생성 ? 데이터 시각화 차트를 생성합니다"),
                ("batch_create",    "배치 생성 ? 스크립트 파일을 생성합니다"),
                ("document_review", "문서 검증 ? 문서 품질을 검사합니다"),
                ("format_convert",  "포맷 변환 ? 문서 형식을 변환합니다"),
            }),
            ("데이터 처리", "\uE9F5", "#F59E0B", new[]
            {
                ("json_tool",       "JSON 처리 ? JSON 파싱, 변환, 검증, 포맷팅"),
                ("regex_tool",      "정규식 ? 정규식 테스트, 추출, 치환"),
                ("diff_tool",       "텍스트 비교 ? 두 파일/텍스트 비교, 통합 diff 출력"),
                ("base64_tool",     "인코딩 ? Base64/URL 인코딩, 디코딩"),
                ("hash_tool",       "해시 계산 ? MD5/SHA256 해시 계산 (파일/텍스트)"),
                ("datetime_tool",   "날짜/시간 ? 날짜 변환, 타임존, 기간 계산"),
            }),
            ("시스템/환경", "\uE770", "#06B6D4", new[]
            {
                ("clipboard_tool",  "클립보드 ? Windows 클립보드 읽기/쓰기 (텍스트/이미지)"),
                ("notify_tool",     "알림 ? Windows 시스템 알림 전송"),
                ("env_tool",        "환경변수 ? 환경변수 읽기/설정 (프로세스 범위)"),
                ("zip_tool",        "압축 ? 파일 압축(zip) / 해제"),
                ("http_tool",       "HTTP ? 로컬/사내 HTTP API 호출 (GET/POST)"),
                ("sql_tool",        "SQLite ? SQLite DB 쿼리 실행 (로컬 파일)"),
            }),
            ("에이전트", "\uE99A", "#F472B6", new[]
            {
                ("spawn_agent",     "서브에이전트 ? 하위 작업을 병렬로 실행하는 서브에이전트를 생성합니다"),
                ("wait_agents",     "에이전트 대기 ? 실행 중인 서브에이전트의 결과를 수집합니다"),
                ("memory",          "에이전트 메모리 ? 프로젝트 규칙, 선호도를 저장/검색합니다"),
                ("skill_manager",   "스킬 관리 ? 스킬 목록 조회, 상세 정보, 재로드"),
                ("project_rules",   "프로젝트 지침 ? AGENTS.md 개발 지침을 읽고 씁니다"),
            }),
        };

        // 도구 목록을 섹션으로 그룹화
        var toolCards = new List<UIElement>();

        // 설명
        // 도구 헤더
        toolCards.Add(new TextBlock
        {
            Text = $"등록된 도구/커넥터 ({toolGroups.Sum(g => g.Tools.Length)})",
            FontSize = 13,
            FontWeight = FontWeights.SemiBold,
            Foreground = TryFindResource("PrimaryText") as Brush ?? Brushes.White,
            Margin = new Thickness(2, 4, 0, 4),
        });
        toolCards.Add(new TextBlock
        {
            Text = "에이전트가 사용할 수 있는 도구 목록입니다. 코워크/코드 탭에서 LLM이 자동으로 호출합니다.",
            FontSize = 11,
            Foreground = TryFindResource("SecondaryText") as Brush
                         ?? new SolidColorBrush((Color)ColorConverter.ConvertFromString("#9999BB")),
            Margin = new Thickness(2, 0, 0, 10),
            TextWrapping = TextWrapping.Wrap,
        });

        foreach (var group in toolGroups)
        {
            // 카테고리 카드
            var card = new Border
            {
                Background = TryFindResource("ItemBackground") as Brush ?? Brushes.White,
                CornerRadius = new CornerRadius(10),
                Padding = new Thickness(14, 10, 14, 10),
                Margin = new Thickness(0, 0, 0, 6),
            };

            var cardPanel = new StackPanel();

            // 도구 아이템 패널 (접기/열기 대상)
            var toolItemsPanel = new StackPanel { Visibility = Visibility.Collapsed };

            // 접기/열기 화살표
            var arrow = new TextBlock
            {
                Text = "\uE70D",
                FontFamily = new FontFamily("Segoe MDL2 Assets"),
                FontSize = 9,
                Foreground = TryFindResource("SecondaryText") as Brush ?? Brushes.Gray,
                VerticalAlignment = VerticalAlignment.Center,
                Margin = new Thickness(0, 0, 6, 0),
                RenderTransformOrigin = new Point(0.5, 0.5),
                RenderTransform = new RotateTransform(0),
            };

            // 카테고리 헤더 (클릭 가능)
            var catHeader = new Border
            {
                Background = Brushes.Transparent,
                Cursor = Cursors.Hand,
            };
            var catHeaderPanel = new StackPanel { Orientation = Orientation.Horizontal };
            catHeaderPanel.Children.Add(arrow);
            catHeaderPanel.Children.Add(new TextBlock
            {
                Text = group.Icon,
                FontFamily = new FontFamily("Segoe MDL2 Assets"),
                FontSize = 14,
                Foreground = new SolidColorBrush((Color)ColorConverter.ConvertFromString(group.IconColor)),
                VerticalAlignment = VerticalAlignment.Center,
                Margin = new Thickness(0, 0, 8, 0),
            });
            var catTitle = new TextBlock
            {
                Text = $"{group.Category}  ({group.Tools.Length})",
                FontSize = 12.5,
                FontWeight = FontWeights.SemiBold,
                Foreground = TryFindResource("PrimaryText") as Brush
                             ?? new SolidColorBrush((Color)ColorConverter.ConvertFromString("#1A1B2E")),
                VerticalAlignment = VerticalAlignment.Center,
            };
            catHeaderPanel.Children.Add(catTitle);
            catHeader.Child = catHeaderPanel;

            // 클릭 시 접기/열기 토글
            catHeader.MouseLeftButtonDown += (s, e) =>
            {
                e.Handled = true;
                bool isVisible = toolItemsPanel.Visibility == Visibility.Visible;
                toolItemsPanel.Visibility = isVisible ? Visibility.Collapsed : Visibility.Visible;
                arrow.RenderTransform = new RotateTransform(isVisible ? 0 : 90);
            };

            cardPanel.Children.Add(catHeader);

            // 구분선
            toolItemsPanel.Children.Add(new Border
            {
                Height = 1,
                Background = TryFindResource("BorderColor") as Brush
                             ?? new SolidColorBrush((Color)ColorConverter.ConvertFromString("#F0F0F4")),
                Margin = new Thickness(0, 6, 0, 4),
            });

            // 도구 아이템
            foreach (var (name, toolDesc) in group.Tools)
            {
                var row = new Grid { Margin = new Thickness(0, 3, 0, 3) };
                row.ColumnDefinitions.Add(new ColumnDefinition { Width = new GridLength(1, GridUnitType.Auto) });
                row.ColumnDefinitions.Add(new ColumnDefinition());

                var nameBlock = new TextBlock
                {
                    Text = name,
                    FontSize = 12,
                    FontFamily = new FontFamily("Consolas, Cascadia Code, Segoe UI"),
                    Foreground = TryFindResource("AccentColor") as Brush
                                 ?? new SolidColorBrush((Color)ColorConverter.ConvertFromString("#4B5EFC")),
                    VerticalAlignment = VerticalAlignment.Center,
                    MinWidth = 130,
                    Margin = new Thickness(4, 0, 12, 0),
                };
                Grid.SetColumn(nameBlock, 0);
                row.Children.Add(nameBlock);

                var descBlock = new TextBlock
                {
                    Text = toolDesc,
                    FontSize = 11.5,
                    Foreground = TryFindResource("SecondaryText") as Brush
                                 ?? new SolidColorBrush((Color)ColorConverter.ConvertFromString("#6666AA")),
                    VerticalAlignment = VerticalAlignment.Center,
                    TextWrapping = TextWrapping.Wrap,
                };
                Grid.SetColumn(descBlock, 1);
                row.Children.Add(descBlock);

                toolItemsPanel.Children.Add(row);
            }

            cardPanel.Children.Add(toolItemsPanel);
            card.Child = cardPanel;
            toolCards.Add(card);
        }

        // ── 도구 목록을 직접 추가 (카테고리별 접기/열기) ──
        foreach (var card in toolCards)
            AgentEtcContent.Children.Insert(AgentEtcContent.Children.Count, card);

        int insertIdx = AgentEtcContent.Children.Count;

        // ── 로드된 스킬 목록 ──
        BuildSkillListSection(ref insertIdx);
    }

    private void BuildSkillListSection(ref int insertIdx)
    {
        if (AgentEtcContent == null) return;

        var skills = Services.Agent.SkillService.Skills;
        if (skills.Count == 0) return;

        var accentColor = (Color)ColorConverter.ConvertFromString("#4B5EFC");
        var subtleText = (Color)ColorConverter.ConvertFromString("#6666AA");

        // 스킬 콘텐츠를 모아서 접기/열기 섹션에 넣기
        var skillItems = new List<UIElement>();

        // 설명
        skillItems.Add(new TextBlock
        {
            Text = "/ 명령으로 호출할 수 있는 스킬 목록입니다. 앱 내장 + 사용자 추가 스킬이 포함됩니다.\n" +
                   "(스킬은 사용자가 직접 /명령어를 입력해야 실행됩니다. LLM이 자동 호출하지 않습니다.)",
            FontSize = 11,
            Foreground = new SolidColorBrush(subtleText),
            Margin = new Thickness(2, 0, 0, 10),
            TextWrapping = TextWrapping.Wrap,
        });

        // 내장 스킬 / 고급 스킬 분류
        var builtIn = skills.Where(s => string.IsNullOrEmpty(s.Requires)).ToList();
        var advanced = skills.Where(s => !string.IsNullOrEmpty(s.Requires)).ToList();

        // 내장 스킬 카드
        if (builtIn.Count > 0)
        {
            var card = CreateSkillGroupCard("내장 스킬", "\uE768", "#34D399", builtIn);
            skillItems.Add(card);
        }

        // 고급 스킬 (런타임 의존) 카드
        if (advanced.Count > 0)
        {
            var card = CreateSkillGroupCard("고급 스킬 (런타임 필요)", "\uE9D9", "#A78BFA", advanced);
            skillItems.Add(card);
        }

        // ── 스킬 가져오기/내보내기 버튼 ──
        var btnPanel = new StackPanel
        {
            Orientation = Orientation.Horizontal,
            Margin = new Thickness(2, 4, 0, 10),
        };

        // 가져오기 버튼
        var importBtn = new Border
        {
            Background = new SolidColorBrush((Color)ColorConverter.ConvertFromString("#4B5EFC")),
            CornerRadius = new CornerRadius(8),
            Padding = new Thickness(14, 7, 14, 7),
            Margin = new Thickness(0, 0, 8, 0),
            Cursor = Cursors.Hand,
        };
        var importContent = new StackPanel { Orientation = Orientation.Horizontal };
        importContent.Children.Add(new TextBlock
        {
            Text = "\uE8B5",
            FontFamily = new FontFamily("Segoe MDL2 Assets"),
            FontSize = 12,
            Foreground = Brushes.White,
            VerticalAlignment = VerticalAlignment.Center,
            Margin = new Thickness(0, 0, 6, 0),
        });
        importContent.Children.Add(new TextBlock
        {
            Text = "스킬 가져오기 (.zip)",
            FontSize = 12,
            FontWeight = FontWeights.SemiBold,
            Foreground = Brushes.White,
            VerticalAlignment = VerticalAlignment.Center,
        });
        importBtn.Child = importContent;
        importBtn.MouseLeftButtonUp += SkillImport_Click;
        importBtn.MouseEnter += (s, _) => ((Border)s).Opacity = 0.85;
        importBtn.MouseLeave += (s, _) => ((Border)s).Opacity = 1.0;
        btnPanel.Children.Add(importBtn);

        // 내보내기 버튼
        var exportBtn = new Border
        {
            Background = new SolidColorBrush((Color)ColorConverter.ConvertFromString("#F0F1F5")),
            CornerRadius = new CornerRadius(8),
            Padding = new Thickness(14, 7, 14, 7),
            Cursor = Cursors.Hand,
        };
        var exportContent = new StackPanel { Orientation = Orientation.Horizontal };
        exportContent.Children.Add(new TextBlock
        {
            Text = "\uEDE1",
            FontFamily = new FontFamily("Segoe MDL2 Assets"),
            FontSize = 12,
            Foreground = new SolidColorBrush((Color)ColorConverter.ConvertFromString("#555")),
            VerticalAlignment = VerticalAlignment.Center,
            Margin = new Thickness(0, 0, 6, 0),
        });
        exportContent.Children.Add(new TextBlock
        {
            Text = "스킬 내보내기",
            FontSize = 12,
            FontWeight = FontWeights.SemiBold,
            Foreground = new SolidColorBrush((Color)ColorConverter.ConvertFromString("#444")),
            VerticalAlignment = VerticalAlignment.Center,
        });
        exportBtn.Child = exportContent;
        exportBtn.MouseLeftButtonUp += SkillExport_Click;
        exportBtn.MouseEnter += (s, _) => ((Border)s).Opacity = 0.85;
        exportBtn.MouseLeave += (s, _) => ((Border)s).Opacity = 1.0;
        btnPanel.Children.Add(exportBtn);

        skillItems.Add(btnPanel);

        // ── 갤러리/통계 링크 버튼 ──
        var linkPanel = new StackPanel
        {
            Orientation = Orientation.Horizontal,
            Margin = new Thickness(2, 0, 0, 12),
        };

        var galleryBtn = new Border
        {
            CornerRadius = new CornerRadius(8),
            Padding = new Thickness(14, 7, 14, 7),
            Margin = new Thickness(0, 0, 8, 0),
            Background = new SolidColorBrush(Color.FromArgb(0x18, 0x4B, 0x5E, 0xFC)),
            Cursor = Cursors.Hand,
        };
        var galleryContent = new StackPanel { Orientation = Orientation.Horizontal };
        galleryContent.Children.Add(new TextBlock
        {
            Text = "\uE768",
            FontFamily = new FontFamily("Segoe MDL2 Assets"),
            FontSize = 12,
            Foreground = new SolidColorBrush((Color)ColorConverter.ConvertFromString("#4B5EFC")),
            VerticalAlignment = VerticalAlignment.Center,
            Margin = new Thickness(0, 0, 6, 0),
        });
        galleryContent.Children.Add(new TextBlock
        {
            Text = "스킬 갤러리 열기",
            FontSize = 12,
            FontWeight = FontWeights.SemiBold,
            Foreground = new SolidColorBrush((Color)ColorConverter.ConvertFromString("#4B5EFC")),
        });
        galleryBtn.Child = galleryContent;
        galleryBtn.MouseLeftButtonUp += (_, _) =>
        {
            var win = new SkillGalleryWindow();
            win.Owner = Window.GetWindow(this);
            win.ShowDialog();
        };
        galleryBtn.MouseEnter += (s, _) => ((Border)s).Opacity = 0.8;
        galleryBtn.MouseLeave += (s, _) => ((Border)s).Opacity = 1.0;
        linkPanel.Children.Add(galleryBtn);

        var statsBtn = new Border
        {
            CornerRadius = new CornerRadius(8),
            Padding = new Thickness(14, 7, 14, 7),
            Background = new SolidColorBrush(Color.FromArgb(0x18, 0xA7, 0x8B, 0xFA)),
            Cursor = Cursors.Hand,
        };
        var statsContent = new StackPanel { Orientation = Orientation.Horizontal };
        statsContent.Children.Add(new TextBlock
        {
            Text = "\uE9D9",
            FontFamily = new FontFamily("Segoe MDL2 Assets"),
            FontSize = 12,
            Foreground = new SolidColorBrush((Color)ColorConverter.ConvertFromString("#A78BFA")),
            VerticalAlignment = VerticalAlignment.Center,
            Margin = new Thickness(0, 0, 6, 0),
        });
        statsContent.Children.Add(new TextBlock
        {
            Text = "실행 통계 보기",
            FontSize = 12,
            FontWeight = FontWeights.SemiBold,
            Foreground = new SolidColorBrush((Color)ColorConverter.ConvertFromString("#A78BFA")),
        });
        statsBtn.Child = statsContent;
        statsBtn.MouseLeftButtonUp += (_, _) =>
        {
            var win = new AgentStatsDashboardWindow();
            win.Owner = Window.GetWindow(this);
            win.ShowDialog();
        };
        statsBtn.MouseEnter += (s, _) => ((Border)s).Opacity = 0.8;
        statsBtn.MouseLeave += (s, _) => ((Border)s).Opacity = 1.0;
        linkPanel.Children.Add(statsBtn);

        skillItems.Add(linkPanel);

        // ── 스킬 섹션 직접 추가 ──
        // 스킬 헤더
        var skillHeader = new TextBlock
        {
            Text = $"슬래시 스킬 ({skills.Count})",
            FontSize = 13,
            FontWeight = FontWeights.SemiBold,
            Foreground = TryFindResource("PrimaryText") as Brush ?? Brushes.White,
            Margin = new Thickness(2, 16, 0, 8),
        };
        AgentEtcContent.Children.Insert(insertIdx++, skillHeader);
        foreach (var item in skillItems)
            AgentEtcContent.Children.Insert(insertIdx++, item);
    }

    private Border CreateSkillGroupCard(string title, string icon, string colorHex,
        List<Services.Agent.SkillDefinition> skills)
    {
        var color = (Color)ColorConverter.ConvertFromString(colorHex);
        var card = new Border
        {
            Background = TryFindResource("ItemBackground") as Brush ?? Brushes.White,
            CornerRadius = new CornerRadius(10),
            Padding = new Thickness(14, 10, 14, 10),
            Margin = new Thickness(0, 0, 0, 6),
        };

        var panel = new StackPanel();

        // 스킬 아이템 패널 (접기/열기 대상)
        var skillItemsPanel = new StackPanel { Visibility = Visibility.Collapsed };

        // 접기/열기 화살표
        var arrow = new TextBlock
        {
            Text = "\uE70D",
            FontFamily = new FontFamily("Segoe MDL2 Assets"),
            FontSize = 9,
            Foreground = TryFindResource("SecondaryText") as Brush ?? Brushes.Gray,
            VerticalAlignment = VerticalAlignment.Center,
            Margin = new Thickness(0, 0, 6, 0),
            RenderTransformOrigin = new Point(0.5, 0.5),
            RenderTransform = new RotateTransform(0),
        };

        // 카테고리 헤더 (클릭 가능)
        var catHeader = new Border
        {
            Background = Brushes.Transparent,
            Cursor = Cursors.Hand,
        };
        var catHeaderPanel = new StackPanel { Orientation = Orientation.Horizontal };
        catHeaderPanel.Children.Add(arrow);
        catHeaderPanel.Children.Add(new TextBlock
        {
            Text = icon,
            FontFamily = new FontFamily("Segoe MDL2 Assets"),
            FontSize = 14,
            Foreground = new SolidColorBrush(color),
            VerticalAlignment = VerticalAlignment.Center,
            Margin = new Thickness(0, 0, 8, 0),
        });
        catHeaderPanel.Children.Add(new TextBlock
        {
            Text = $"{title}  ({skills.Count})",
            FontSize = 12.5,
            FontWeight = FontWeights.SemiBold,
            Foreground = TryFindResource("PrimaryText") as Brush
                         ?? new SolidColorBrush((Color)ColorConverter.ConvertFromString("#1A1B2E")),
            VerticalAlignment = VerticalAlignment.Center,
        });
        catHeader.Child = catHeaderPanel;

        // 클릭 시 접기/열기 토글
        catHeader.MouseLeftButtonDown += (s, e) =>
        {
            e.Handled = true;
            bool isVisible = skillItemsPanel.Visibility == Visibility.Visible;
            skillItemsPanel.Visibility = isVisible ? Visibility.Collapsed : Visibility.Visible;
            arrow.RenderTransform = new RotateTransform(isVisible ? 0 : 90);
        };

        panel.Children.Add(catHeader);

        // 구분선
        skillItemsPanel.Children.Add(new Border
        {
            Height = 1,
            Background = TryFindResource("BorderColor") as Brush
                         ?? new SolidColorBrush((Color)ColorConverter.ConvertFromString("#F0F0F4")),
            Margin = new Thickness(0, 2, 0, 4),
        });

        // 스킬 아이템
        foreach (var skill in skills)
        {
            var row = new StackPanel { Margin = new Thickness(0, 4, 0, 4) };

            // 위 줄: 스킬 명칭 + 가용성 뱃지
            var namePanel = new StackPanel { Orientation = Orientation.Horizontal };
            namePanel.Children.Add(new TextBlock
            {
                Text = $"/{skill.Name}",
                FontSize = 12,
                FontFamily = new FontFamily("Consolas, Cascadia Code, Segoe UI"),
                Foreground = skill.IsAvailable
                    ? (TryFindResource("AccentColor") as Brush ?? new SolidColorBrush((Color)ColorConverter.ConvertFromString("#4B5EFC")))
                    : Brushes.Gray,
                VerticalAlignment = VerticalAlignment.Center,
                Margin = new Thickness(4, 0, 8, 0),
                Opacity = skill.IsAvailable ? 1.0 : 0.5,
            });

            if (!skill.IsAvailable && !string.IsNullOrEmpty(skill.Requires))
            {
                namePanel.Children.Add(new Border
                {
                    Background = new SolidColorBrush(Color.FromArgb(0x20, 0xF8, 0x71, 0x71)),
                    CornerRadius = new CornerRadius(4),
                    Padding = new Thickness(5, 1, 5, 1),
                    VerticalAlignment = VerticalAlignment.Center,
                    Child = new TextBlock
                    {
                        Text = skill.UnavailableHint,
                        FontSize = 9,
                        Foreground = new SolidColorBrush(Color.FromRgb(0xF8, 0x71, 0x71)),
                        FontWeight = FontWeights.SemiBold,
                    },
                });
            }
            else if (skill.IsAvailable && !string.IsNullOrEmpty(skill.Requires))
            {
                namePanel.Children.Add(new Border
                {
                    Background = new SolidColorBrush(Color.FromArgb(0x20, 0x34, 0xD3, 0x99)),
                    CornerRadius = new CornerRadius(4),
                    Padding = new Thickness(5, 1, 5, 1),
                    VerticalAlignment = VerticalAlignment.Center,
                    Child = new TextBlock
                    {
                        Text = "? 사용 가능",
                        FontSize = 9,
                        Foreground = new SolidColorBrush(Color.FromRgb(0x34, 0xD3, 0x99)),
                        FontWeight = FontWeights.SemiBold,
                    },
                });
            }

            row.Children.Add(namePanel);

            // 아래 줄: 설명 (뱃지와 구분되도록 위 여백 추가)
            row.Children.Add(new TextBlock
            {
                Text = $"{skill.Label} ? {skill.Description}",
                FontSize = 11.5,
                Foreground = TryFindResource("SecondaryText") as Brush
                             ?? new SolidColorBrush((Color)ColorConverter.ConvertFromString("#6666AA")),
                TextWrapping = TextWrapping.Wrap,
                Margin = new Thickness(4, 3, 0, 0),
                Opacity = skill.IsAvailable ? 1.0 : 0.5,
            });

            skillItemsPanel.Children.Add(row);
        }

        panel.Children.Add(skillItemsPanel);
        card.Child = panel;
        return card;
    }

    // ─── 선택 텍스트 AI 명령 설정 ────────────────────────────────────────────────

    private void BuildTextActionCommandsPanel()
    {
        if (TextActionCommandsPanel == null) return;
        TextActionCommandsPanel.Children.Clear();

        var svc = (System.Windows.Application.Current as App)?.SettingsService;
        if (svc == null) return;
        var enabled = svc.Settings.Launcher.TextActionCommands;
        var toggleStyle = TryFindResource("ToggleSwitch") as Style;

        foreach (var (key, label) in TextActionPopup.AvailableCommands)
        {
            var row = new Grid { Margin = new Thickness(0, 3, 0, 3) };
            row.ColumnDefinitions.Add(new ColumnDefinition { Width = new GridLength(1, GridUnitType.Star) });
            row.ColumnDefinitions.Add(new ColumnDefinition { Width = GridLength.Auto });

            var labelBlock = new TextBlock
            {
                Text = label, FontSize = 12.5,
                VerticalAlignment = VerticalAlignment.Center,
                Foreground = TryFindResource("PrimaryText") as Brush ?? Brushes.Black,
            };
            Grid.SetColumn(labelBlock, 0);
            row.Children.Add(labelBlock);

            var capturedKey = key;
            var cb = new CheckBox
            {
                IsChecked = enabled.Contains(key, StringComparer.OrdinalIgnoreCase),
                HorizontalAlignment = HorizontalAlignment.Right,
                VerticalAlignment = VerticalAlignment.Center,
            };
            if (toggleStyle != null) cb.Style = toggleStyle;
            cb.Checked += (_, _) =>
            {
                if (!enabled.Contains(capturedKey)) enabled.Add(capturedKey);
                svc.Save();
            };
            cb.Unchecked += (_, _) =>
            {
                // 최소 1개 유지
                if (enabled.Count <= 1) { cb.IsChecked = true; return; }
                enabled.RemoveAll(x => x == capturedKey);
                svc.Save();
            };
            Grid.SetColumn(cb, 1);
            row.Children.Add(cb);

            TextActionCommandsPanel.Children.Add(row);
        }
    }

    // ─── 테마 하위 탭 전환 ──────────────────────────────────────────────────────

    private void ThemeSubTab_Checked(object sender, RoutedEventArgs e)
    {
        if (ThemeSelectPanel == null || ThemeColorsPanel == null) return;
        if (ThemeSubTabSelect?.IsChecked == true)
        {
            ThemeSelectPanel.Visibility = Visibility.Visible;
            ThemeColorsPanel.Visibility = Visibility.Collapsed;
        }
        else
        {
            ThemeSelectPanel.Visibility = Visibility.Collapsed;
            ThemeColorsPanel.Visibility = Visibility.Visible;
        }
    }

    // ─── 일반 하위 탭 전환 (일반 + 알림) ──────────────────────────────────────

    private bool _notifyMoved;

    private void GeneralSubTab_Checked(object sender, RoutedEventArgs e)
    {
        if (GeneralMainPanel == null || GeneralNotifyPanel == null) return;

        // 알림 탭 내용을 최초 1회 NotifyContent로 이동
        if (!_notifyMoved && NotifyContent != null)
        {
            MoveNotifyTabContent();
            _notifyMoved = true;
        }

        GeneralMainPanel.Visibility = GeneralSubTabMain?.IsChecked == true ? Visibility.Visible : Visibility.Collapsed;
        GeneralNotifyPanel.Visibility = GeneralSubTabNotify?.IsChecked == true ? Visibility.Visible : Visibility.Collapsed;
        if (GeneralStoragePanel != null)
        {
            GeneralStoragePanel.Visibility = GeneralSubTabStorage?.IsChecked == true ? Visibility.Visible : Visibility.Collapsed;
            if (GeneralSubTabStorage?.IsChecked == true) RefreshStorageInfo2();
        }
    }

    private void MoveNotifyTabContent()
    {
        // XAML의 알림 TabItem에서 ScrollViewer → StackPanel 내용을 NotifyContent로 이동
        // 사이드 네비의 "알림" 탭을 찾아서 숨기기
        var mainTab = Content as System.Windows.Controls.Grid;
        var tabControl = mainTab?.Children.OfType<TabControl>().FirstOrDefault()
                         ?? FindVisualChild<TabControl>(this);
        if (tabControl == null) return;

        TabItem? notifyTab = null;
        foreach (TabItem tab in tabControl.Items)
        {
            if (tab.Header?.ToString() == "알림") { notifyTab = tab; break; }
        }

        if (notifyTab?.Content is ScrollViewer sv && sv.Content is StackPanel sp)
        {
            // 내용물을 NotifyContent로 복제 이동
            var children = sp.Children.Cast<UIElement>().ToList();
            sp.Children.Clear();
            foreach (var child in children)
                NotifyContent.Children.Add(child);
        }

        // 알림 탭 숨기기
        if (notifyTab != null) notifyTab.Visibility = Visibility.Collapsed;
    }

    private static T? FindVisualChild<T>(DependencyObject parent) where T : DependencyObject
    {
        for (int i = 0; i < VisualTreeHelper.GetChildrenCount(parent); i++)
        {
            var child = VisualTreeHelper.GetChild(parent, i);
            if (child is T t) return t;
            var result = FindVisualChild<T>(child);
            if (result != null) return result;
        }
        return null;
    }

    // ─── 독 바 설정 ────────────────────────────────────────────────────────────

    private void BuildDockBarSettings()
    {
        var svc = (System.Windows.Application.Current as App)?.SettingsService;
        if (svc == null) return;
        var launcher = svc.Settings.Launcher;

        // 토글 바인딩
        ChkDockAutoShow.IsChecked = launcher.DockBarAutoShow;
        ChkDockAutoShow.Checked += (_, _) =>
        {
            launcher.DockBarAutoShow = true; svc.Save();
            (System.Windows.Application.Current as App)?.ToggleDockBar();
        };
        ChkDockAutoShow.Unchecked += (_, _) =>
        {
            launcher.DockBarAutoShow = false; svc.Save();
            // 끄기 시에는 설정만 저장 ? 독 바를 토글하지 않음 (이미 표시 중이면 유지, 다음 재시작 시 안 뜸)
        };

        ChkDockRainbowGlow.IsChecked = launcher.DockBarRainbowGlow;
        ChkDockRainbowGlow.Checked += (_, _) => { launcher.DockBarRainbowGlow = true; svc.Save(); RefreshDock(); };
        ChkDockRainbowGlow.Unchecked += (_, _) => { launcher.DockBarRainbowGlow = false; svc.Save(); RefreshDock(); };

        SliderDockOpacity.Value = launcher.DockBarOpacity;
        SliderDockOpacity.ValueChanged += (_, e) => { launcher.DockBarOpacity = e.NewValue; svc.Save(); RefreshDock(); };

        // 표시 항목 토글 리스트
        if (DockItemsPanel == null) return;
        DockItemsPanel.Children.Clear();
        var toggleStyle = TryFindResource("ToggleSwitch") as System.Windows.Style;
        var enabled = launcher.DockBarItems;

        foreach (var (key, icon, tooltip) in DockBarWindow.AvailableItems)
        {
            var row = new System.Windows.Controls.Grid { Margin = new Thickness(0, 3, 0, 3) };
            row.ColumnDefinitions.Add(new ColumnDefinition { Width = new GridLength(1, GridUnitType.Star) });
            row.ColumnDefinitions.Add(new ColumnDefinition { Width = GridLength.Auto });

            var label = new TextBlock
            {
                Text = $"{tooltip}",
                FontSize = 12.5,
                VerticalAlignment = VerticalAlignment.Center,
                Foreground = TryFindResource("PrimaryText") as System.Windows.Media.Brush ?? System.Windows.Media.Brushes.Black,
            };
            System.Windows.Controls.Grid.SetColumn(label, 0);
            row.Children.Add(label);

            var capturedKey = key;
            var cb = new CheckBox
            {
                IsChecked = enabled.Contains(key),
                HorizontalAlignment = HorizontalAlignment.Right,
                VerticalAlignment = VerticalAlignment.Center,
            };
            if (toggleStyle != null) cb.Style = toggleStyle;
            cb.Checked += (_, _) => { if (!enabled.Contains(capturedKey)) enabled.Add(capturedKey); svc.Save(); RefreshDock(); };
            cb.Unchecked += (_, _) => { enabled.RemoveAll(x => x == capturedKey); svc.Save(); RefreshDock(); };
            System.Windows.Controls.Grid.SetColumn(cb, 1);
            row.Children.Add(cb);

            DockItemsPanel.Children.Add(row);
        }
    }

    private static SolidColorBrush BrushFromHex(string hex)
    {
        try { return new SolidColorBrush((Color)ColorConverter.ConvertFromString(hex)); }
        catch { return new SolidColorBrush(Colors.Gray); }
    }

    private static void RefreshDock()
    {
        (System.Windows.Application.Current as App)?.RefreshDockBar();
    }

    private void BtnDockResetPosition_Click(object sender, RoutedEventArgs e)
    {
        var result = CustomMessageBox.Show(
            "독 바를 화면 하단 중앙으로 이동하시겠습니까?",
            "독 바 위치 초기화",
            MessageBoxButton.YesNo, MessageBoxImage.Question);
        if (result != MessageBoxResult.Yes) return;

        var svc = (System.Windows.Application.Current as App)?.SettingsService;
        if (svc == null) return;
        svc.Settings.Launcher.DockBarLeft = -1;
        svc.Settings.Launcher.DockBarTop = -1;
        svc.Save();

        // 즉시 독 바 위치 이동
        (System.Windows.Application.Current as App)?.RefreshDockBar();
    }

    // ─── 저장 공간 관리 ──────────────────────────────────────────────────────

    private void RefreshStorageInfo()
    {
        if (StorageSummaryText == null) return;
        var report = StorageAnalyzer.Analyze();

        StorageSummaryText.Text = $"앱 전체 사용량: {StorageAnalyzer.FormatSize(report.TotalAppUsage)}";
        StorageDriveText.Text = $"드라이브 {report.DriveLabel} 여유: {StorageAnalyzer.FormatSize(report.DriveFreeSpace)} / {StorageAnalyzer.FormatSize(report.DriveTotalSpace)}";

        if (StorageDetailPanel == null) return;
        StorageDetailPanel.Children.Clear();

        var items = new (string Label, long Size)[]
        {
            ("대화 기록", report.Conversations),
            ("감사 로그", report.AuditLogs),
            ("앱 로그", report.Logs),
            ("코드 인덱스", report.CodeIndex),
            ("임베딩 DB", report.EmbeddingDb),
            ("클립보드 히스토리", report.ClipboardHistory),
            ("플러그인", report.Plugins),
            ("JSON 스킬", report.Skills),
        };

        foreach (var (label, size) in items)
        {
            if (size == 0) continue;
            var row = new Grid { Margin = new Thickness(0, 2, 0, 2) };
            row.ColumnDefinitions.Add(new ColumnDefinition { Width = new GridLength(1, GridUnitType.Star) });
            row.ColumnDefinitions.Add(new ColumnDefinition { Width = GridLength.Auto });

            var labelTb = new TextBlock { Text = label, FontSize = 12, Foreground = TryFindResource("PrimaryText") as Brush ?? Brushes.Black, VerticalAlignment = VerticalAlignment.Center };
            Grid.SetColumn(labelTb, 0);
            row.Children.Add(labelTb);

            var sizeTb = new TextBlock { Text = StorageAnalyzer.FormatSize(size), FontSize = 12, FontFamily = new FontFamily("Consolas"), Foreground = Brushes.Gray, VerticalAlignment = VerticalAlignment.Center };
            Grid.SetColumn(sizeTb, 1);
            row.Children.Add(sizeTb);

            StorageDetailPanel.Children.Add(row);
        }
    }

    private void BtnStorageRefresh_Click(object sender, RoutedEventArgs e) => RefreshStorageInfo();

    private void RefreshStorageInfo2()
    {
        if (StorageSummaryText2 == null) return;
        var report = StorageAnalyzer.Analyze();
        StorageSummaryText2.Text = $"앱 전체 사용량: {StorageAnalyzer.FormatSize(report.TotalAppUsage)}";
        StorageDriveText2.Text = $"드라이브 {report.DriveLabel} 여유: {StorageAnalyzer.FormatSize(report.DriveFreeSpace)} / {StorageAnalyzer.FormatSize(report.DriveTotalSpace)}";

        if (StorageDetailPanel2 == null) return;
        StorageDetailPanel2.Children.Clear();
        var items = new (string Label, long Size)[]
        {
            ("대화 기록", report.Conversations), ("감사 로그", report.AuditLogs),
            ("앱 로그", report.Logs), ("코드 인덱스", report.CodeIndex),
            ("임베딩 DB", report.EmbeddingDb),
            ("클립보드 히스토리", report.ClipboardHistory),
            ("플러그인", report.Plugins), ("JSON 스킬", report.Skills),
        };
        foreach (var (label, size) in items)
        {
            if (size == 0) continue;
            var row = new Grid { Margin = new Thickness(0, 2, 0, 2) };
            row.ColumnDefinitions.Add(new ColumnDefinition { Width = new GridLength(1, GridUnitType.Star) });
            row.ColumnDefinitions.Add(new ColumnDefinition { Width = GridLength.Auto });
            var labelTb = new TextBlock { Text = label, FontSize = 12, Foreground = TryFindResource("PrimaryText") as Brush ?? Brushes.Black };
            Grid.SetColumn(labelTb, 0); row.Children.Add(labelTb);
            var sizeTb = new TextBlock { Text = StorageAnalyzer.FormatSize(size), FontSize = 12, FontFamily = new FontFamily("Consolas"), Foreground = Brushes.Gray };
            Grid.SetColumn(sizeTb, 1); row.Children.Add(sizeTb);
            StorageDetailPanel2.Children.Add(row);
        }
    }

    private void BtnStorageRefresh2_Click(object sender, RoutedEventArgs e) => RefreshStorageInfo2();

    private void BtnStorageCleanup_Click(object sender, RoutedEventArgs e)
    {
        // 테마 리소스 조회
        var bgBrush = TryFindResource("LauncherBackground") as Brush ?? new SolidColorBrush(Color.FromRgb(0x1A, 0x1B, 0x2E));
        var fgBrush = TryFindResource("PrimaryText") as Brush ?? Brushes.White;
        var subFgBrush = TryFindResource("SecondaryText") as Brush ?? Brushes.Gray;
        var borderBrush = TryFindResource("BorderColor") as Brush ?? new SolidColorBrush(Color.FromRgb(0x4B, 0x5E, 0xFC));
        var itemBg = TryFindResource("ItemBackground") as Brush ?? new SolidColorBrush(Color.FromArgb(0x10, 0xFF, 0xFF, 0xFF));
        var hoverBg = TryFindResource("ItemHoverBackground") as Brush ?? new SolidColorBrush(Color.FromArgb(0x22, 0xFF, 0xFF, 0xFF));
        var shadowColor = TryFindResource("ShadowColor") is Color sc ? sc : Colors.Black;

        // 보관 기간 선택 팝업 ? 커스텀 버튼으로 날짜 선택
        var popup = new Window
        {
            WindowStyle = WindowStyle.None, AllowsTransparency = true, Background = Brushes.Transparent,
            Width = 360, SizeToContent = SizeToContent.Height,
            WindowStartupLocation = WindowStartupLocation.CenterOwner,
            Owner = this, ShowInTaskbar = false, Topmost = true,
        };

        int selectedDays = -1;

        var outerBorder = new Border
        {
            Background = bgBrush, CornerRadius = new CornerRadius(14), BorderBrush = borderBrush,
            BorderThickness = new Thickness(1), Margin = new Thickness(16),
            Effect = new System.Windows.Media.Effects.DropShadowEffect { BlurRadius = 20, ShadowDepth = 4, Opacity = 0.3, Color = shadowColor },
        };

        var stack = new StackPanel { Margin = new Thickness(24, 20, 24, 20) };
        stack.Children.Add(new TextBlock { Text = "보관 기간 선택", FontSize = 15, FontWeight = FontWeights.SemiBold, Foreground = fgBrush, Margin = new Thickness(0, 0, 0, 6) });
        stack.Children.Add(new TextBlock { Text = "선택한 기간 이전의 데이터를 삭제합니다.\n※ 통계/대화 기록은 삭제되지 않습니다.", FontSize = 12, Foreground = subFgBrush, TextWrapping = TextWrapping.Wrap, Margin = new Thickness(0, 0, 0, 16) });

        var btnDays = new (int Days, string Label)[] { (7, "최근 7일만 보관"), (14, "최근 14일만 보관"), (30, "최근 30일만 보관"), (0, "전체 삭제") };
        foreach (var (days, label) in btnDays)
        {
            var d = days;
            var isDelete = d == 0;
            var deleteBg = new SolidColorBrush(Color.FromArgb(0x18, 0xFF, 0x44, 0x44));
            var deleteBorder = new SolidColorBrush(Color.FromArgb(0x40, 0xFF, 0x44, 0x44));
            var deleteText = new SolidColorBrush(Color.FromRgb(0xFF, 0x66, 0x66));
            var btn = new Border
            {
                CornerRadius = new CornerRadius(10), Cursor = Cursors.Hand,
                Padding = new Thickness(14, 10, 14, 10), Margin = new Thickness(0, 0, 0, 6),
                Background = isDelete ? deleteBg : itemBg,
                BorderBrush = isDelete ? deleteBorder : borderBrush,
                BorderThickness = new Thickness(1),
            };
            btn.Child = new TextBlock { Text = label, FontSize = 13, Foreground = isDelete ? deleteText : fgBrush };
            var normalBg = isDelete ? deleteBg : itemBg;
            btn.MouseEnter += (s, _) => { if (s is Border b) b.Background = hoverBg; };
            btn.MouseLeave += (s, _) => { if (s is Border b) b.Background = normalBg; };
            btn.MouseLeftButtonUp += (_, _) => { selectedDays = d; popup.Close(); };
            stack.Children.Add(btn);
        }

        // 취소
        var cancelBtn = new Border { CornerRadius = new CornerRadius(10), Cursor = Cursors.Hand, Padding = new Thickness(14, 8, 14, 8), Margin = new Thickness(0, 6, 0, 0), Background = Brushes.Transparent };
        cancelBtn.Child = new TextBlock { Text = "취소", FontSize = 12, Foreground = subFgBrush, HorizontalAlignment = HorizontalAlignment.Center };
        cancelBtn.MouseLeftButtonUp += (_, _) => popup.Close();
        stack.Children.Add(cancelBtn);

        outerBorder.Child = stack;
        popup.Content = outerBorder;
        popup.ShowDialog();

        if (selectedDays < 0) return;

        // 삭제 전 확인
        var confirmMsg = selectedDays == 0
            ? "전체 데이터를 삭제합니다. 정말 진행하시겠습니까?"
            : $"최근 {selectedDays}일 이전의 데이터를 삭제합니다. 정말 진행하시겠습니까?";
        var confirm = CustomMessageBox.Show(confirmMsg, "삭제 확인", MessageBoxButton.YesNo, MessageBoxImage.Warning);
        if (confirm != MessageBoxResult.Yes) return;

        var freed = StorageAnalyzer.Cleanup(
            retainDays: selectedDays,
            cleanConversations: false,
            cleanAuditLogs: true,
            cleanLogs: true,
            cleanCodeIndex: true,
            cleanClipboard: selectedDays == 0
        );

        CustomMessageBox.Show(
            $"{StorageAnalyzer.FormatSize(freed)}를 확보했습니다.",
            "정리 완료", MessageBoxButton.OK, MessageBoxImage.Information);

        RefreshStorageInfo();
    }

    // ─── 알림 카테고리 체크박스 ───────────────────────────────────────────────

    private void BuildQuoteCategoryCheckboxes()
    {
        if (QuoteCategoryPanel == null) return;
        QuoteCategoryPanel.Children.Clear();

        var enabled = _vm.GetReminderCategories();
        var toggleStyle = TryFindResource("ToggleSwitch") as Style;

        foreach (var (key, label, countFunc) in Services.QuoteService.Categories)
        {
            var count = countFunc();
            var displayLabel = key == "today_events"
                ? $"{label} ({count}개, 오늘 {Services.QuoteService.GetTodayMatchCount()}개)"
                : $"{label} ({count}개)";

            // 좌: 라벨, 우: 토글 스위치
            var row = new Grid { Margin = new Thickness(0, 3, 0, 3) };
            row.ColumnDefinitions.Add(new ColumnDefinition { Width = new GridLength(1, GridUnitType.Star) });
            row.ColumnDefinitions.Add(new ColumnDefinition { Width = GridLength.Auto });

            var labelBlock = new TextBlock
            {
                Text = displayLabel,
                FontSize = 12.5,
                VerticalAlignment = VerticalAlignment.Center,
                Foreground = TryFindResource("PrimaryText") as System.Windows.Media.Brush
                             ?? System.Windows.Media.Brushes.White,
            };
            Grid.SetColumn(labelBlock, 0);
            row.Children.Add(labelBlock);

            var cb = new CheckBox
            {
                IsChecked = enabled.Contains(key, StringComparer.OrdinalIgnoreCase),
                Tag = key,
                HorizontalAlignment = HorizontalAlignment.Right,
                VerticalAlignment = VerticalAlignment.Center,
            };
            if (toggleStyle != null) cb.Style = toggleStyle;
            cb.Checked += (s, _) =>
            {
                if (s is CheckBox c && c.Tag is string k && !enabled.Contains(k))
                    enabled.Add(k);
            };
            cb.Unchecked += (s, _) =>
            {
                if (s is CheckBox c && c.Tag is string k)
                    enabled.RemoveAll(x => x.Equals(k, StringComparison.OrdinalIgnoreCase));
            };
            Grid.SetColumn(cb, 1);
            row.Children.Add(cb);

            QuoteCategoryPanel.Children.Add(row);
        }
    }

    // ─── 버전 표시 ──────────────────────────────────────────────────────────

    /// <summary>
    /// 하단 버전 텍스트를 AxCopilot.csproj &lt;Version&gt; 값에서 동적으로 읽어 설정합니다.
    /// 버전을 올릴 때는 AxCopilot.csproj → &lt;Version&gt; 하나만 수정하면 됩니다.
    /// 이 함수와 SettingsWindow.xaml 의 VersionInfoText 는 항상 함께 유지됩니다.
    /// </summary>
    private void SetVersionText()
    {
        try
        {
            var asm = System.Reflection.Assembly.GetExecutingAssembly();
            // FileVersionInfo 에서 읽어야 csproj <Version> 이 반영됩니다.
            var fvi = System.Diagnostics.FileVersionInfo.GetVersionInfo(asm.Location);
            var ver = fvi.ProductVersion ?? fvi.FileVersion ?? "?";
            // 빌드 메타데이터 제거 (예: "1.0.3+gitabcdef" → "1.0.3")
            var plusIdx = ver.IndexOf('+');
            if (plusIdx > 0) ver = ver[..plusIdx];
            VersionInfoText.Text = $"AX Copilot  ·  v{ver}";
        }
        catch
        {
            VersionInfoText.Text = "AX Copilot";
        }
    }

    // ─── 핫키 (콤보박스 선택 방식) ──────────────────────────────────────────

    /// <summary>이전 녹화기에서 호출되던 초기화 ? 콤보박스 전환 후 무연산 (호환용)</summary>
    private void RefreshHotkeyBadges() { /* 콤보박스 SelectedValue 바인딩으로 대체 */ }

    /// <summary>현재 핫키가 콤보박스 목록에 없으면 항목으로 추가합니다.</summary>
    private void EnsureHotkeyInCombo()
    {
        if (HotkeyCombo == null) return;
        var hotkey = _vm.Hotkey;
        if (string.IsNullOrWhiteSpace(hotkey)) return;

        // 이미 목록에 있는지 확인
        foreach (System.Windows.Controls.ComboBoxItem item in HotkeyCombo.Items)
        {
            if (item.Tag is string tag && tag == hotkey) return;
        }

        // 목록에 없으면 현재 값을 추가
        var display = hotkey.Replace("+", " + ");
        var newItem = new System.Windows.Controls.ComboBoxItem
        {
            Content = $"{display} (사용자 정의)",
            Tag = hotkey
        };
        HotkeyCombo.Items.Insert(0, newItem);
        HotkeyCombo.SelectedIndex = 0;
    }

    /// <summary>Window-level PreviewKeyDown ? 핫키 녹화 제거 후 잔여 호출 보호</summary>
    private void Window_PreviewKeyDown(object sender, KeyEventArgs e) { }

    /// <summary>WPF Key → HotkeyParser가 인식하는 문자열 이름.</summary>
    private static string GetKeyName(Key key) => key switch
    {
        Key.Space    => "Space",
        Key.Enter or Key.Return => "Enter",
        Key.Tab      => "Tab",
        Key.Back     => "Backspace",
        Key.Delete   => "Delete",
        Key.Escape   => "Escape",
        Key.Home     => "Home",
        Key.End      => "End",
        Key.PageUp   => "PageUp",
        Key.PageDown => "PageDown",
        Key.Left     => "Left",
        Key.Right    => "Right",
        Key.Up       => "Up",
        Key.Down     => "Down",
        Key.Insert   => "Insert",
        // A?Z
        >= Key.A and <= Key.Z   => key.ToString(),
        // 0?9 (메인 키보드)
        >= Key.D0 and <= Key.D9 => ((int)(key - Key.D0)).ToString(),
        // F1?F12
        >= Key.F1 and <= Key.F12 => key.ToString(),
        // 기호
        Key.OemTilde         => "`",
        Key.OemMinus         => "-",
        Key.OemPlus          => "=",
        Key.OemOpenBrackets  => "[",
        Key.OemCloseBrackets => "]",
        Key.OemPipe or Key.OemBackslash => "\\",
        Key.OemSemicolon     => ";",
        Key.OemQuotes        => "'",
        Key.OemComma         => ",",
        Key.OemPeriod        => ".",
        Key.OemQuestion      => "/",
        _                    => key.ToString()
    };

    private void HotkeyCombo_SelectionChanged(object sender, System.Windows.Controls.SelectionChangedEventArgs e)
    {
        // 콤보박스 선택이 바뀌면 ViewModel의 Hotkey를 업데이트
        // (바인딩이 SelectedValue에 연결되어 자동 처리되지만,
        //  기존 RefreshHotkeyBadges 호출은 콤보박스 도입으로 불필요)
    }

    // ─── 기존 이벤트 핸들러 ──────────────────────────────────────────────────

    private async void BtnTestConnection_Click(object sender, RoutedEventArgs e)
    {
        var btn = sender as Button;
        if (btn != null) btn.Content = "테스트 중...";
        try
        {
            // 현재 UI 값으로 임시 LLM 서비스 생성하여 테스트 (설정 저장/창 닫기 없이)
            var llm = new Services.LlmService(_vm.Service);
            var (ok, msg) = await llm.TestConnectionAsync();
            llm.Dispose();
            CustomMessageBox.Show(msg, ok ? "연결 성공" : "연결 실패",
                MessageBoxButton.OK,
                ok ? MessageBoxImage.Information : MessageBoxImage.Warning);
        }
        catch (Exception ex)
        {
            CustomMessageBox.Show(ex.Message, "오류", MessageBoxButton.OK, MessageBoxImage.Error);
        }
        finally
        {
            if (btn != null) btn.Content = "테스트";
        }
    }

    // ─── 등록 모델 관리 ──────────────────────────────────────────────────

    private bool IsEncryptionEnabled =>
        (Application.Current as App)?.SettingsService?.Settings.Llm.EncryptionEnabled ?? false;

    /// <summary>현재 선택된 서비스 서브탭 이름을 반환합니다.</summary>
    private string GetCurrentServiceSubTab()
    {
        if (SvcTabOllama?.IsChecked == true) return "ollama";
        if (SvcTabVllm?.IsChecked == true) return "vllm";
        if (SvcTabGemini?.IsChecked == true) return "gemini";
        if (SvcTabSigmoid?.IsChecked == true) return "claude";
        return _vm.LlmService; // 폴백
    }

    private void BtnBrowseSkillFolder_Click(object sender, RoutedEventArgs e)
    {
        var dlg = new System.Windows.Forms.FolderBrowserDialog
        {
            Description = "스킬 파일이 있는 폴더를 선택하세요",
            ShowNewFolderButton = true,
        };
        if (!string.IsNullOrEmpty(_vm.SkillsFolderPath) && System.IO.Directory.Exists(_vm.SkillsFolderPath))
            dlg.SelectedPath = _vm.SkillsFolderPath;
        if (dlg.ShowDialog() == System.Windows.Forms.DialogResult.OK)
            _vm.SkillsFolderPath = dlg.SelectedPath;
    }

    private void BtnOpenSkillFolder_Click(object sender, RoutedEventArgs e)
    {
        // 기본 스킬 폴더 열기 (사용자 앱데이터)
        var folder = !string.IsNullOrEmpty(_vm.SkillsFolderPath) && System.IO.Directory.Exists(_vm.SkillsFolderPath)
            ? _vm.SkillsFolderPath
            : System.IO.Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "AxCopilot", "skills");
        if (!System.IO.Directory.Exists(folder)) System.IO.Directory.CreateDirectory(folder);
        try { System.Diagnostics.Process.Start("explorer.exe", folder); } catch { }
    }

    // ─── 스킬 가져오기/내보내기 ──────────────────────────────────────────

    private void SkillImport_Click(object sender, MouseButtonEventArgs e)
    {
        var dlg = new Microsoft.Win32.OpenFileDialog
        {
            Filter = "스킬 패키지 (*.zip)|*.zip",
            Title = "가져올 스킬 zip 파일을 선택하세요",
        };
        if (dlg.ShowDialog() != true) return;

        var count = Services.Agent.SkillService.ImportSkills(dlg.FileName);
        if (count > 0)
            CustomMessageBox.Show($"스킬 {count}개를 성공적으로 가져왔습니??.\n스킬 목록이 갱신됩니다.", "스킬 가져오기");
        else
            CustomMessageBox.Show("스킬 가져오기에 실패했습니다.\nzip 파일에 .skill.md 또는 SKILL.md 파일이 포함되어야 합니다.", "스킬 가져오기");
    }

    private void SkillExport_Click(object sender, MouseButtonEventArgs e)
    {
        var skills = Services.Agent.SkillService.Skills;
        if (skills.Count == 0)
        {
            CustomMessageBox.Show("내보낼 스킬이 없습니다.", "스킬 내보내기");
            return;
        }

        // 스킬 선택 팝업
        var popup = new Window
        {
            WindowStyle = WindowStyle.None,
            AllowsTransparency = true,
            Background = Brushes.Transparent,
            SizeToContent = SizeToContent.WidthAndHeight,
            WindowStartupLocation = WindowStartupLocation.CenterOwner,
            Owner = this,
            MaxHeight = 450,
        };

        var bgBrush = TryFindResource("LauncherBackground") as Brush ?? Brushes.White;
        var fgBrush = TryFindResource("PrimaryText") as Brush ?? Brushes.Black;
        var subFgBrush = TryFindResource("SecondaryText") as Brush ?? Brushes.Gray;

        var outer = new Border
        {
            Background = bgBrush,
            CornerRadius = new CornerRadius(12),
            Padding = new Thickness(20),
            MinWidth = 360,
            Effect = new System.Windows.Media.Effects.DropShadowEffect
            {
                BlurRadius = 20, ShadowDepth = 4, Opacity = 0.3,
                Color = Colors.Black,
            },
        };
        var mainPanel = new StackPanel();
        mainPanel.Children.Add(new TextBlock
        {
            Text = "내보낼 스킬 선택",
            FontSize = 15,
            FontWeight = FontWeights.SemiBold,
            Foreground = fgBrush,
            Margin = new Thickness(0, 0, 0, 12),
        });

        var checkBoxes = new List<(CheckBox cb, Services.Agent.SkillDefinition skill)>();
        var listPanel = new StackPanel();
        foreach (var skill in skills)
        {
            var cb = new CheckBox
            {
                Content = $"/{skill.Name} ? {skill.Label}",
                FontSize = 12.5,
                Foreground = fgBrush,
                Margin = new Thickness(0, 3, 0, 3),
                IsChecked = false,
            };
            checkBoxes.Add((cb, skill));
            listPanel.Children.Add(cb);
        }
        var scrollViewer = new ScrollViewer
        {
            Content = listPanel,
            MaxHeight = 280,
            VerticalScrollBarVisibility = ScrollBarVisibility.Auto,
        };
        mainPanel.Children.Add(scrollViewer);

        // 버튼 행
        var btnRow = new StackPanel
        {
            Orientation = Orientation.Horizontal,
            HorizontalAlignment = HorizontalAlignment.Right,
            Margin = new Thickness(0, 14, 0, 0),
        };
        var cancelBtn = new Border
        {
            Background = new SolidColorBrush((Color)ColorConverter.ConvertFromString("#F0F1F5")),
            CornerRadius = new CornerRadius(8),
            Padding = new Thickness(16, 7, 16, 7),
            Margin = new Thickness(0, 0, 8, 0),
            Cursor = Cursors.Hand,
            Child = new TextBlock { Text = "취소", FontSize = 12, Foreground = subFgBrush },
        };
        cancelBtn.MouseLeftButtonUp += (_, _) => popup.Close();
        btnRow.Children.Add(cancelBtn);

        var okBtn = new Border
        {
            Background = new SolidColorBrush((Color)ColorConverter.ConvertFromString("#4B5EFC")),
            CornerRadius = new CornerRadius(8),
            Padding = new Thickness(16, 7, 16, 7),
            Cursor = Cursors.Hand,
            Child = new TextBlock { Text = "내보내기", FontSize = 12, FontWeight = FontWeights.SemiBold, Foreground = Brushes.White },
        };
        okBtn.MouseLeftButtonUp += (_, _) =>
        {
            var selected = checkBoxes.Where(x => x.cb.IsChecked == true).Select(x => x.skill).ToList();
            if (selected.Count == 0)
            {
                CustomMessageBox.Show("내보낼 스킬을 선택하세요.", "스킬 내보내기");
                return;
            }

            // 저장 폴더 선택
            var folderDlg = new System.Windows.Forms.FolderBrowserDialog
            {
                Description = "스킬 zip을 저장할 폴더를 선택하세요",
            };
            if (folderDlg.ShowDialog() != System.Windows.Forms.DialogResult.OK) return;

            int exported = 0;
            foreach (var skill in selected)
            {
                var result = Services.Agent.SkillService.ExportSkill(skill, folderDlg.SelectedPath);
                if (result != null) exported++;
            }

            popup.Close();
            if (exported > 0)
                CustomMessageBox.Show($"{exported}개 스킬을 내보냈습니다.\n경로: {folderDlg.SelectedPath}", "스킬 내보내기");
            else
                CustomMessageBox.Show("내보내기에 실패했습니다.", "스킬 내보내기");
        };
        btnRow.Children.Add(okBtn);
        mainPanel.Children.Add(btnRow);

        outer.Child = mainPanel;
        popup.Content = outer;
        popup.KeyDown += (_, ke) => { if (ke.Key == Key.Escape) popup.Close(); };
        popup.ShowDialog();
    }

    private void BtnAddModel_Click(object sender, RoutedEventArgs e)
    {
        var currentService = GetCurrentServiceSubTab();
        var dlg = new ModelRegistrationDialog(currentService);
        dlg.Owner = this;
        if (dlg.ShowDialog() == true)
        {
            _vm.RegisteredModels.Add(new ViewModels.RegisteredModelRow
            {
                Alias = dlg.ModelAlias,
                EncryptedModelName = Services.CryptoService.EncryptIfEnabled(dlg.ModelName, IsEncryptionEnabled),
                Service = currentService,
                Endpoint = dlg.Endpoint,
                ApiKey = dlg.ApiKey,
                AllowInsecureTls = dlg.AllowInsecureTls,
                AuthType = dlg.AuthType,
                Cp4dUrl = dlg.Cp4dUrl,
                Cp4dUsername = dlg.Cp4dUsername,
                Cp4dPassword = Services.CryptoService.EncryptIfEnabled(dlg.Cp4dPassword, IsEncryptionEnabled),
            });
            BuildFallbackModelsPanel();
            BuildServiceModelPanels();
        }
    }

    private void BtnEditModel_Click(object sender, RoutedEventArgs e)
    {
        if (sender is not Button btn || btn.Tag is not ViewModels.RegisteredModelRow row) return;

        string currentModel = Services.CryptoService.DecryptIfEnabled(row.EncryptedModelName, IsEncryptionEnabled);
        string cp4dPw = Services.CryptoService.DecryptIfEnabled(row.Cp4dPassword ?? "", IsEncryptionEnabled);

        var currentService = GetCurrentServiceSubTab();
        var dlg = new ModelRegistrationDialog(currentService, row.Alias, currentModel,
            row.Endpoint, row.ApiKey, row.AllowInsecureTls,
            row.AuthType ?? "bearer", row.Cp4dUrl ?? "", row.Cp4dUsername ?? "", cp4dPw);
        dlg.Owner = this;
        if (dlg.ShowDialog() == true)
        {
            row.Alias = dlg.ModelAlias;
            row.EncryptedModelName = Services.CryptoService.EncryptIfEnabled(dlg.ModelName, IsEncryptionEnabled);
            row.Service = currentService;
            row.Endpoint = dlg.Endpoint;
            row.ApiKey = dlg.ApiKey;
            row.AllowInsecureTls = dlg.AllowInsecureTls;
            row.AuthType = dlg.AuthType;
            row.Cp4dUrl = dlg.Cp4dUrl;
            row.Cp4dUsername = dlg.Cp4dUsername;
            row.Cp4dPassword = Services.CryptoService.EncryptIfEnabled(dlg.Cp4dPassword, IsEncryptionEnabled);
            BuildFallbackModelsPanel();
            BuildServiceModelPanels();
        }
    }

    private void BtnDeleteModel_Click(object sender, RoutedEventArgs e)
    {
        if (sender is not Button btn || btn.Tag is not ViewModels.RegisteredModelRow row) return;
        var result = CustomMessageBox.Show($"'{row.Alias}' 모델을 삭제하시겠습니까?", "모델 삭제",
            MessageBoxButton.YesNo, MessageBoxImage.Question);
        if (result == MessageBoxResult.Yes)
        {
            _vm.RegisteredModels.Remove(row);
            BuildFallbackModelsPanel();
            BuildServiceModelPanels();
        }
    }

    // ─── 프롬프트 템플릿 관리 ────────────────────────────────────────────

    private void BtnAddTemplate_Click(object sender, RoutedEventArgs e)
    {
        var dlg = new PromptTemplateDialog();
        dlg.Owner = this;
        if (dlg.ShowDialog() == true)
        {
            _vm.PromptTemplates.Add(new ViewModels.PromptTemplateRow
            {
                Name = dlg.TemplateName,
                Content = dlg.TemplateContent,
            });
        }
    }

    private void BtnEditTemplate_Click(object sender, RoutedEventArgs e)
    {
        if (sender is not Button btn || btn.Tag is not ViewModels.PromptTemplateRow row) return;
        var dlg = new PromptTemplateDialog(row.Name, row.Content);
        dlg.Owner = this;
        if (dlg.ShowDialog() == true)
        {
            row.Name = dlg.TemplateName;
            row.Content = dlg.TemplateContent;
        }
    }

    private void BtnDeleteTemplate_Click(object sender, RoutedEventArgs e)
    {
        if (sender is not Button btn || btn.Tag is not ViewModels.PromptTemplateRow row) return;
        var result = CustomMessageBox.Show($"'{row.Name}' 템플릿을 삭제하시겠습니까?", "템플릿 삭제",
            MessageBoxButton.YesNo, MessageBoxImage.Question);
        if (result == MessageBoxResult.Yes)
            _vm.PromptTemplates.Remove(row);
    }

    // ─── AX Agent 서브탭 전환 ───────────────────────────────────────────

    private void AgentSubTab_Checked(object sender, RoutedEventArgs e)
    {
        if (AgentPanelCommon == null) return; // 초기화 전 방어
        var showCommon = AgentTabCommon.IsChecked == true;
        var showService = AgentTabChat.IsChecked == true;
        var showPermission = AgentTabCoworkCode.IsChecked == true;
        var showAdvanced = AgentTabDev.IsChecked == true;

        AgentPanelCommon.Visibility = showCommon || showService ? Visibility.Visible : Visibility.Collapsed;
        if (AgentCommonOverviewSection != null)
            AgentCommonOverviewSection.Visibility = showCommon ? Visibility.Visible : Visibility.Collapsed;
        if (AgentCommonRuntimeSection != null)
            AgentCommonRuntimeSection.Visibility = showCommon ? Visibility.Visible : Visibility.Collapsed;
        if (AgentServiceSection != null)
            AgentServiceSection.Visibility = showService ? Visibility.Visible : Visibility.Collapsed;

        AgentPanelCoworkCode.Visibility = showPermission ? Visibility.Visible : Visibility.Collapsed;
        AgentPanelChat.Visibility = Visibility.Collapsed;
        AgentPanelCowork.Visibility = Visibility.Collapsed;
        AgentPanelCode.Visibility = Visibility.Collapsed;

        if (AgentPanelDev != null)
            AgentPanelDev.Visibility = showAdvanced ? Visibility.Visible : Visibility.Collapsed;
        if (AgentPanelEtc != null)
            AgentPanelEtc.Visibility = Visibility.Collapsed;
        if (AgentPanelTools != null)
            AgentPanelTools.Visibility = Visibility.Collapsed;
    }

    // ─── 도구 관리 카드 UI ──────────────────────────────────────────────

    private bool _toolCardsLoaded;
    private HashSet<string> _disabledTools = new(StringComparer.OrdinalIgnoreCase);

    /// <summary>도구 카드 UI를 카테고리별로 생성합니다.</summary>
    private void LoadToolCards()
    {
        if (_toolCardsLoaded || ToolCardsPanel == null) return;
        _toolCardsLoaded = true;

        var app = System.Windows.Application.Current as App;
        var settings = app?.SettingsService?.Settings.Llm;
        using var tools = Services.Agent.ToolRegistry.CreateDefault();
        _disabledTools = new HashSet<string>(settings?.DisabledTools ?? new(), StringComparer.OrdinalIgnoreCase);
        var disabled = _disabledTools;

        // 카테고리 매핑
        var categories = new Dictionary<string, List<Services.Agent.IAgentTool>>
        {
            ["파일/검색"] = new(),
            ["문서 생성"] = new(),
            ["문서 품질"] = new(),
            ["코드/개발"] = new(),
            ["데이터/유틸"] = new(),
            ["시스템"] = new(),
        };

        var toolCategoryMap = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
        {
            // 파일/검색
            ["file_read"] = "파일/검색", ["file_write"] = "파일/검색", ["file_edit"] = "파일/검색",
            ["glob"] = "파일/검색", ["grep"] = "파일/검색", ["folder_map"] = "파일/검색",
            ["document_read"] = "파일/검색", ["file_watch"] = "파일/검색",
            // 문서 생성
            ["excel_skill"] = "문서 생성", ["docx_skill"] = "문서 생성", ["csv_skill"] = "문서 생성",
            ["markdown_skill"] = "문서 생성", ["html_skill"] = "문서 생성", ["chart_skill"] = "문서 생성",
            ["batch_skill"] = "문서 생성", ["pptx_skill"] = "문서 생성",
            ["document_planner"] = "문서 생성", ["document_assembler"] = "문서 생성",
            // 문서 품질
            ["document_review"] = "문서 품질", ["format_convert"] = "문서 품질",
            ["template_render"] = "문서 품질", ["text_summarize"] = "문서 품질",
            // 코드/개발
            ["dev_env_detect"] = "코드/개발", ["build_run"] = "코드/개발", ["git_tool"] = "코드/개발",
            ["lsp"] = "코드/개발", ["sub_agent"] = "코드/개발", ["wait_agents"] = "코드/개발",
            ["code_search"] = "코드/개발", ["test_loop"] = "코드/개발",
            ["code_review"] = "코드/개발", ["project_rule"] = "코드/개발",
            // 시스템
            ["process"] = "시스템", ["skill_manager"] = "시스템", ["memory"] = "시스템",
            ["clipboard"] = "시스템", ["notify"] = "시스템", ["env"] = "시스템",
            ["image_analyze"] = "시스템",
        };

        foreach (var tool in tools.All)
        {
            var cat = toolCategoryMap.TryGetValue(tool.Name, out var c) ? c : "데이터/유틸";
            if (categories.ContainsKey(cat))
                categories[cat].Add(tool);
            else
                categories["데이터/유틸"].Add(tool);
        }

        var accentBrush = TryFindResource("AccentColor") as Brush ?? Brushes.CornflowerBlue;
        var secondaryText = TryFindResource("SecondaryText") as Brush ?? Brushes.Gray;
        var itemBg = TryFindResource("ItemBackground") as Brush ?? new SolidColorBrush(Color.FromRgb(0xF5, 0xF5, 0xF8));

        foreach (var kv in categories)
        {
            if (kv.Value.Count == 0) continue;

            // 카테고리 헤더
            var header = new TextBlock
            {
                Text = $"{kv.Key}  ({kv.Value.Count})",
                FontSize = 13, FontWeight = FontWeights.SemiBold,
                Foreground = TryFindResource("PrimaryText") as Brush ?? Brushes.Black,
                Margin = new Thickness(0, 8, 0, 6),
            };
            ToolCardsPanel.Children.Add(header);

            // 카드 WrapPanel
            var wrap = new WrapPanel { Margin = new Thickness(0, 0, 0, 4) };
            foreach (var tool in kv.Value.OrderBy(t => t.Name))
            {
                var isEnabled = !disabled.Contains(tool.Name);
                var card = CreateToolCard(tool, isEnabled, disabled, accentBrush, secondaryText, itemBg);
                wrap.Children.Add(card);
            }
            ToolCardsPanel.Children.Add(wrap);
        }

        // MCP 서버 상태
        LoadMcpStatus();
    }

    /// <summary>개별 도구 카드를 생성합니다 (이름 + 설명 + 토글).</summary>
    private Border CreateToolCard(Services.Agent.IAgentTool tool, bool isEnabled,
        HashSet<string> disabled, Brush accentBrush, Brush secondaryText, Brush itemBg)
    {
        var card = new Border
        {
            Background = itemBg,
            CornerRadius = new CornerRadius(8),
            Padding = new Thickness(10, 8, 10, 8),
            Margin = new Thickness(0, 0, 8, 8),
            Width = 240,
            BorderBrush = isEnabled ? Brushes.Transparent : new SolidColorBrush(Color.FromArgb(0x30, 0xDC, 0x26, 0x26)),
            BorderThickness = new Thickness(1),
        };

        var grid = new Grid();
        grid.ColumnDefinitions.Add(new ColumnDefinition { Width = new GridLength(1, GridUnitType.Star) });
        grid.ColumnDefinitions.Add(new ColumnDefinition { Width = GridLength.Auto });

        // 이름 + 설명
        var textStack = new StackPanel { VerticalAlignment = VerticalAlignment.Center };
        var nameBlock = new TextBlock
        {
            Text = tool.Name,
            FontSize = 12, FontWeight = FontWeights.SemiBold,
            Foreground = TryFindResource("PrimaryText") as Brush ?? Brushes.Black,
            TextTrimming = TextTrimming.CharacterEllipsis,
        };
        textStack.Children.Add(nameBlock);

        var desc = tool.Description;
        if (desc.Length > 50) desc = desc[..50] + "…";
        var descBlock = new TextBlock
        {
            Text = desc,
            FontSize = 10.5,
            Foreground = secondaryText,
            TextTrimming = TextTrimming.CharacterEllipsis,
            Margin = new Thickness(0, 2, 0, 0),
        };
        textStack.Children.Add(descBlock);
        Grid.SetColumn(textStack, 0);
        grid.Children.Add(textStack);

        // 토글 (CheckBox + ToggleSwitch 스타일)
        var toggle = new CheckBox
        {
            IsChecked = isEnabled,
            Style = TryFindResource("ToggleSwitch") as Style,
            VerticalAlignment = VerticalAlignment.Center,
            Margin = new Thickness(8, 0, 0, 0),
        };
        toggle.Checked += (_, _) =>
        {
            disabled.Remove(tool.Name);
            card.BorderBrush = Brushes.Transparent;
        };
        toggle.Unchecked += (_, _) =>
        {
            disabled.Add(tool.Name);
            card.BorderBrush = new SolidColorBrush(Color.FromArgb(0x30, 0xDC, 0x26, 0x26));
        };
        Grid.SetColumn(toggle, 1);
        grid.Children.Add(toggle);

        card.Child = grid;
        return card;
    }

    /// <summary>MCP 서버 연결 상태 표시를 생성합니다.</summary>
    private void LoadMcpStatus()
    {
        if (McpStatusPanel == null) return;
        McpStatusPanel.Children.Clear();

        var app = System.Windows.Application.Current as App;
        var settings = app?.SettingsService?.Settings.Llm;
        var mcpServers = settings?.McpServers;

        if (mcpServers == null || mcpServers.Count == 0)
        {
            McpStatusPanel.Children.Add(new TextBlock
            {
                Text = "등록된 MCP 서버가 없습니다.",
                FontSize = 12,
                Foreground = TryFindResource("SecondaryText") as Brush ?? Brushes.Gray,
                Margin = new Thickness(0, 4, 0, 0),
            });
            return;
        }

        var itemBg = TryFindResource("ItemBackground") as Brush ?? new SolidColorBrush(Color.FromRgb(0xF5, 0xF5, 0xF8));

        foreach (var server in mcpServers)
        {
            var row = new Border
            {
                Background = itemBg,
                CornerRadius = new CornerRadius(8),
                Padding = new Thickness(12, 8, 12, 8),
                Margin = new Thickness(0, 0, 0, 6),
            };

            var grid = new Grid();
            grid.ColumnDefinitions.Add(new ColumnDefinition { Width = GridLength.Auto });
            grid.ColumnDefinitions.Add(new ColumnDefinition { Width = new GridLength(1, GridUnitType.Star) });
            grid.ColumnDefinitions.Add(new ColumnDefinition { Width = GridLength.Auto });

            // 상태 아이콘
            var statusDot = new Border
            {
                Width = 8, Height = 8,
                CornerRadius = new CornerRadius(4),
                Background = new SolidColorBrush(Color.FromRgb(0x34, 0xA8, 0x53)), // 녹색 (등록됨)
                VerticalAlignment = VerticalAlignment.Center,
                Margin = new Thickness(0, 0, 8, 0),
            };
            Grid.SetColumn(statusDot, 0);
            grid.Children.Add(statusDot);

            // 서버 이름 + 명령
            var infoStack = new StackPanel { VerticalAlignment = VerticalAlignment.Center };
            infoStack.Children.Add(new TextBlock
            {
                Text = server.Name ?? "(이름 없음)",
                FontSize = 12, FontWeight = FontWeights.SemiBold,
                Foreground = TryFindResource("PrimaryText") as Brush ?? Brushes.Black,
            });
            infoStack.Children.Add(new TextBlock
            {
                Text = server.Command ?? "",
                FontSize = 10.5,
                Foreground = TryFindResource("SecondaryText") as Brush ?? Brushes.Gray,
                TextTrimming = TextTrimming.CharacterEllipsis,
            });
            Grid.SetColumn(infoStack, 1);
            grid.Children.Add(infoStack);

            // 상태 텍스트
            var statusText = new TextBlock
            {
                Text = "등록됨",
                FontSize = 11,
                Foreground = new SolidColorBrush(Color.FromRgb(0x34, 0xA8, 0x53)),
                VerticalAlignment = VerticalAlignment.Center,
            };
            Grid.SetColumn(statusText, 2);
            grid.Children.Add(statusText);

            row.Child = grid;
            McpStatusPanel.Children.Add(row);
        }
    }

    // ─── 기능 설정 서브탭 전환 ──────────────────────────────────────────
    private void FuncSubTab_Checked(object sender, RoutedEventArgs e)
    {
        if (FuncPanel_AI == null) return; // 초기화 전 방어

        FuncPanel_AI.Visibility       = FuncSubTab_AI.IsChecked == true       ? Visibility.Visible : Visibility.Collapsed;
        FuncPanel_Launcher.Visibility = FuncSubTab_Launcher.IsChecked == true ? Visibility.Visible : Visibility.Collapsed;
        FuncPanel_Design.Visibility   = FuncSubTab_Design.IsChecked == true   ? Visibility.Visible : Visibility.Collapsed;
    }

    // ─── 접기/열기 섹션 토글 ───────────────────────────────────────────
    private void CollapsibleSection_Toggle(object sender, System.Windows.Input.MouseButtonEventArgs e)
    {
        if (sender is Border border && border.Tag is System.Windows.Controls.Expander expander)
            expander.IsExpanded = !expander.IsExpanded;
    }

    private void ServiceSubTab_Checked(object sender, RoutedEventArgs e)
    {
        if (SvcPanelOllama == null) return; // 초기화 전 방어
        SvcPanelOllama.Visibility = SvcTabOllama.IsChecked == true ? Visibility.Visible : Visibility.Collapsed;
        SvcPanelVllm.Visibility   = SvcTabVllm.IsChecked   == true ? Visibility.Visible : Visibility.Collapsed;
        SvcPanelGemini.Visibility = SvcTabGemini.IsChecked == true ? Visibility.Visible : Visibility.Collapsed;
        SvcPanelSigmoid.Visibility = SvcTabSigmoid.IsChecked == true ? Visibility.Visible : Visibility.Collapsed;
        BuildServiceModelPanels();
        SyncAgentSelectionCards();
    }

    private void AgentServiceCard_Checked(object sender, RoutedEventArgs e)
    {
        if (!IsLoaded || sender is not RadioButton rb || rb.IsChecked != true) return;
        var service = rb.Name switch
        {
            "AgentServiceCardVllm" => "vllm",
            "AgentServiceCardGemini" => "gemini",
            "AgentServiceCardClaude" => "claude",
            _ => "ollama",
        };

        _vm.LlmService = service;
        if (SvcTabOllama != null) SvcTabOllama.IsChecked = service == "ollama";
        if (SvcTabVllm != null) SvcTabVllm.IsChecked = service == "vllm";
        if (SvcTabGemini != null) SvcTabGemini.IsChecked = service == "gemini";
        if (SvcTabSigmoid != null) SvcTabSigmoid.IsChecked = service == "claude";
        BuildServiceModelPanels();
    }

    private void AgentPermissionCard_Checked(object sender, RoutedEventArgs e)
    {
        if (!IsLoaded || sender is not RadioButton rb || rb.IsChecked != true) return;
        _vm.DefaultAgentPermission = rb.Name switch
        {
            "AgentPermissionCardPlan" => "Plan",
            "AgentPermissionCardAuto" => "Auto",
            "AgentPermissionCardDeny" => "Deny",
            _ => "Ask",
        };
    }

    private void AgentDecisionCard_Checked(object sender, RoutedEventArgs e)
    {
        if (!IsLoaded || sender is not RadioButton rb || rb.IsChecked != true) return;
        _vm.AgentDecisionLevel = rb.Name switch
        {
            "AgentDecisionCardMinimal" => "minimal",
            "AgentDecisionCardDetailed" => "detailed",
            _ => "normal",
        };
    }

    private void AgentOperationModeCard_Checked(object sender, RoutedEventArgs e)
    {
        if (!IsLoaded || sender is not RadioButton rb || rb.IsChecked != true)
            return;

        var next = rb.Name == "AgentOperationModeExternal"
            ? OperationModePolicy.ExternalMode
            : OperationModePolicy.InternalMode;

        var app = System.Windows.Application.Current as App;
        var settings = app?.SettingsService?.Settings;
        if (settings == null)
            return;

        var current = OperationModePolicy.Normalize(settings.OperationMode);
        if (string.Equals(next, current, StringComparison.OrdinalIgnoreCase))
            return;

        var ok = PromptPasswordDialog(
            "운영 모드 변경 ? 비밀번호 확인",
            "\U0001f512 사내/사외 모드 변경",
            "비밀번호를 입력하세요:");
        if (!ok)
        {
            ApplyOperationModeState(settings.OperationMode);
            return;
        }

        settings.OperationMode = next;
        _vm.OperationMode = next;
        app?.SettingsService?.Save();
        ApplyOperationModeState(next);
    }

    private void AgentContextTokensCard_Checked(object sender, RoutedEventArgs e)
    {
        if (!IsLoaded || sender is not RadioButton rb || rb.IsChecked != true)
            return;

        _vm.LlmMaxContextTokens = rb.Name switch
        {
            "AgentContextTokens16K" => 16384,
            "AgentContextTokens64K" => 65536,
            "AgentContextTokens256K" => 262144,
            "AgentContextTokens1M" => 1_000_000,
            _ => 4096,
        };
    }

    private void AgentRetentionDaysCard_Checked(object sender, RoutedEventArgs e)
    {
        if (!IsLoaded || sender is not RadioButton rb || rb.IsChecked != true)
            return;

        _vm.LlmRetentionDays = rb.Name switch
        {
            "AgentRetentionDays30" => 30,
            "AgentRetentionDays90" => 90,
            "AgentRetentionDaysUnlimited" => 0,
            _ => 7,
        };
    }

    private void AgentLogLevelCard_Checked(object sender, RoutedEventArgs e)
    {
        if (!IsLoaded || sender is not RadioButton rb || rb.IsChecked != true)
            return;

        _vm.AgentLogLevel = rb.Name switch
        {
            "AgentLogLevelDetailed" => "detailed",
            "AgentLogLevelDebug" => "debug",
            _ => "simple",
        };
    }

    private void BuildServiceModelPanels()
    {
        BuildRegisteredModelList("ollama", OllamaRegisteredModelsList);
        BuildRegisteredModelList("vllm", VllmRegisteredModelsList);
        BuildServiceModelChips("ollama", OllamaModelChipPanel, _vm.OllamaModel, value => _vm.OllamaModel = value);
        BuildServiceModelChips("vllm", VllmModelChipPanel, _vm.VllmModel, value => _vm.VllmModel = value);
        BuildPresetModelChips(
            GeminiModelChipPanel,
            _vm.GeminiModel,
            value => _vm.GeminiModel = value,
            new (string Id, string Label, string Hint)[]
            {
                ("gemini-3.1-pro-preview", "Gemini 3.1 Pro", "최고 성능"),
                ("gemini-3-flash", "Gemini 3 Flash", "빠른 응답"),
                ("gemini-3.1-flash-lite-preview", "Gemini 3.1 Flash Lite", "경량"),
                ("gemini-2.5-flash", "Gemini 2.5 Flash", "균형"),
                ("gemini-2.5-flash-lite", "Gemini 2.5 Flash Lite", "저비용"),
            });
        BuildPresetModelChips(
            ClaudeModelChipPanel,
            _vm.ClaudeModel,
            value => _vm.ClaudeModel = value,
            new (string Id, string Label, string Hint)[]
            {
                (ProviderModelIds.SigmoidOpus46, "Claude Opus 4.6", "최고 성능"),
                (ProviderModelIds.SigmoidSonnet46, "Claude Sonnet 4.6", "균형"),
                (ProviderModelIds.SigmoidHaiku45_20251001, "Claude Haiku 4.5", "경량"),
                (ProviderModelIds.SigmoidSonnet45_20250929, "Claude Sonnet 4.5", "이전 안정판"),
                (ProviderModelIds.SigmoidOpus4_20250514, "Claude Opus 4", "이전 최고급"),
            });
    }

    private void BuildRegisteredModelList(string service, ItemsControl? target)
    {
        if (target == null) return;
        var view = new ListCollectionView(_vm.RegisteredModels);
        view.Filter = item =>
        {
            if (item is not RegisteredModelRow row) return false;
            return string.Equals(row.Service, service, StringComparison.OrdinalIgnoreCase);
        };
        target.ItemsSource = view;
    }

    private void BuildServiceModelChips(string service, WrapPanel? panel, string selectedValue, Action<string> applySelection)
    {
        if (panel == null)
            return;

        panel.Children.Clear();
        var models = _vm.RegisteredModels
            .Where(row => string.Equals(row.Service, service, StringComparison.OrdinalIgnoreCase))
            .ToList();

        if (models.Count == 0)
        {
            panel.Children.Add(new Border
            {
                Background = TryFindResource("ItemBackground") as Brush ?? Brushes.WhiteSmoke,
                BorderBrush = TryFindResource("BorderColor") as Brush ?? Brushes.LightGray,
                BorderThickness = new Thickness(1),
                CornerRadius = new CornerRadius(10),
                Padding = new Thickness(12, 8, 12, 8),
                Child = new TextBlock
                {
                    Text = "등록된 모델이 없습니다. + 모델 추가로 먼저 등록하세요.",
                    FontSize = 11.5,
                    Foreground = TryFindResource("SecondaryText") as Brush ?? Brushes.Gray,
                }
            });
            return;
        }

        foreach (var model in models)
        {
            var isSelected = string.Equals(model.EncryptedModelName, selectedValue, StringComparison.OrdinalIgnoreCase);
            var chip = new Border
            {
                Cursor = Cursors.Hand,
                CornerRadius = new CornerRadius(10),
                BorderThickness = new Thickness(1),
                BorderBrush = isSelected
                    ? (TryFindResource("AccentColor") as Brush ?? Brushes.DodgerBlue)
                    : (TryFindResource("BorderColor") as Brush ?? Brushes.LightGray),
                Background = isSelected
                    ? (TryFindResource("ItemHoverBackground") as Brush ?? Brushes.AliceBlue)
                    : Brushes.Transparent,
                Padding = new Thickness(12, 9, 12, 9),
                Margin = new Thickness(0, 0, 8, 8),
                Child = new StackPanel
                {
                    Children =
                    {
                        new TextBlock
                        {
                            Text = string.IsNullOrWhiteSpace(model.Alias) ? "(이름 없음)" : model.Alias,
                            FontSize = 12,
                            FontWeight = isSelected ? FontWeights.SemiBold : FontWeights.Normal,
                            Foreground = isSelected
                                ? (TryFindResource("AccentColor") as Brush ?? Brushes.DodgerBlue)
                                : (TryFindResource("PrimaryText") as Brush ?? Brushes.Black),
                        },
                        new TextBlock
                        {
                            Text = string.IsNullOrWhiteSpace(model.Endpoint) ? "기본 서버 사용" : model.Endpoint,
                            FontSize = 10.5,
                            Margin = new Thickness(0, 3, 0, 0),
                            Foreground = TryFindResource("SecondaryText") as Brush ?? Brushes.Gray,
                        }
                    }
                }
            };

            var captured = model.EncryptedModelName;
            chip.MouseLeftButtonUp += (_, _) =>
            {
                applySelection(captured);
                BuildServiceModelPanels();
            };
            panel.Children.Add(chip);
        }
    }

    private void BuildPresetModelChips(
        WrapPanel? panel,
        string? selectedValue,
        Action<string> applySelection,
        IEnumerable<(string Id, string Label, string Hint)> models)
    {
        if (panel == null)
            return;

        panel.Children.Clear();
        foreach (var model in models)
        {
            var isSelected = string.Equals(model.Id, selectedValue, StringComparison.OrdinalIgnoreCase);
            var chip = new Border
            {
                Cursor = Cursors.Hand,
                CornerRadius = new CornerRadius(12),
                BorderThickness = new Thickness(1),
                BorderBrush = isSelected
                    ? (TryFindResource("AccentColor") as Brush ?? Brushes.DodgerBlue)
                    : (TryFindResource("BorderColor") as Brush ?? Brushes.LightGray),
                Background = isSelected
                    ? (TryFindResource("ItemHoverBackground") as Brush ?? Brushes.AliceBlue)
                    : Brushes.Transparent,
                Padding = new Thickness(12, 9, 12, 9),
                Margin = new Thickness(0, 0, 8, 8),
                Child = new StackPanel
                {
                    Children =
                    {
                        new TextBlock
                        {
                            Text = model.Label,
                            FontSize = 12,
                            FontWeight = isSelected ? FontWeights.SemiBold : FontWeights.Normal,
                            Foreground = isSelected
                                ? (TryFindResource("AccentColor") as Brush ?? Brushes.DodgerBlue)
                                : (TryFindResource("PrimaryText") as Brush ?? Brushes.Black),
                        },
                        new TextBlock
                        {
                            Text = model.Hint,
                            FontSize = 10.5,
                            Margin = new Thickness(0, 3, 0, 0),
                            Foreground = TryFindResource("SecondaryText") as Brush ?? Brushes.Gray,
                        }
                    }
                }
            };

            var capturedId = model.Id;
            chip.MouseLeftButtonUp += (_, _) =>
            {
                applySelection(capturedId);
                BuildServiceModelPanels();
            };
            panel.Children.Add(chip);
        }
    }

    private void ThemeCard_Click(object sender, RoutedEventArgs e)
    {
        if (sender is Button btn && btn.Tag is string key)
            _vm.SelectTheme(key);
    }

    private void ColorSwatch_Click(object sender, RoutedEventArgs e)
    {
        if (sender is Button btn && btn.Tag is ColorRowModel row)
            _vm.PickColor(row);
    }

    private void DevModeCheckBox_Checked(object sender, RoutedEventArgs e)
    {
        if (sender is not CheckBox cb || !cb.IsChecked.GetValueOrDefault()) return;
        // 설정 창 로드 중 바인딩에 의한 자동 Checked 이벤트 무시 (이미 활성화된 상태 복원)
        if (!IsLoaded) return;

        // 테마 리소스 조회
        var bgBrush = TryFindResource("LauncherBackground") as Brush ?? new SolidColorBrush(Color.FromRgb(0x1E, 0x1E, 0x2E));
        var fgBrush = TryFindResource("PrimaryText") as Brush ?? Brushes.White;
        var subFgBrush = TryFindResource("SecondaryText") as Brush ?? Brushes.Gray;
        var borderBrush = TryFindResource("BorderColor") as Brush ?? new SolidColorBrush(Color.FromRgb(0x40, 0x40, 0x60));
        var itemBg = TryFindResource("ItemBackground") as Brush ?? new SolidColorBrush(Color.FromRgb(0x2A, 0x2A, 0x40));

        // 비밀번호 확인 다이얼로그
        var dlg = new Window
        {
            Title = "개발자 모드 ? 비밀번호 확인",
            Width = 340, SizeToContent = SizeToContent.Height,
            WindowStartupLocation = WindowStartupLocation.CenterOwner,
            Owner = this, ResizeMode = ResizeMode.NoResize,
            WindowStyle = WindowStyle.None, AllowsTransparency = true,
            Background = Brushes.Transparent,
        };
        var border = new Border
        {
            Background = bgBrush, CornerRadius = new CornerRadius(12),
            BorderBrush = borderBrush, BorderThickness = new Thickness(1), Padding = new Thickness(20),
        };
        var stack = new StackPanel();
        stack.Children.Add(new TextBlock
        {
            Text = "\U0001f512 개발자 모드 활성화",
            FontSize = 15, FontWeight = FontWeights.SemiBold,
            Foreground = fgBrush, Margin = new Thickness(0, 0, 0, 12),
        });
        stack.Children.Add(new TextBlock
        {
            Text = "비밀번호를 입력하세요:",
            FontSize = 12, Foreground = subFgBrush, Margin = new Thickness(0, 0, 0, 6),
        });
        var pwBox = new PasswordBox
        {
            FontSize = 14, Padding = new Thickness(8, 6, 8, 6),
            Background = itemBg, Foreground = fgBrush, BorderBrush = borderBrush, PasswordChar = '*',
        };
        stack.Children.Add(pwBox);

        var btnRow = new StackPanel { Orientation = Orientation.Horizontal, HorizontalAlignment = HorizontalAlignment.Right, Margin = new Thickness(0, 16, 0, 0) };
        var cancelBtn = new Button { Content = "취소", Padding = new Thickness(16, 6, 16, 6), Margin = new Thickness(0, 0, 8, 0) };
        cancelBtn.Click += (_, _) => { dlg.DialogResult = false; };
        btnRow.Children.Add(cancelBtn);
        var okBtn = new Button { Content = "확인", Padding = new Thickness(16, 6, 16, 6), IsDefault = true };
        okBtn.Click += (_, _) =>
        {
            if (pwBox.Password == UnifiedAdminPassword)
                dlg.DialogResult = true;
            else
            {
                pwBox.Clear();
                pwBox.Focus();
            }
        };
        btnRow.Children.Add(okBtn);
        stack.Children.Add(btnRow);
        border.Child = stack;
        dlg.Content = border;
        dlg.Loaded += (_, _) => pwBox.Focus();

        if (dlg.ShowDialog() != true)
        {
            // 비밀번호 실패/취소 ? 체크 해제 + DevMode 강제 false
            _vm.DevMode = false;
            cb.IsChecked = false;
        }
        UpdateDevModeContentVisibility();
    }

    private void DevModeCheckBox_Unchecked(object sender, RoutedEventArgs e)
    {
        UpdateDevModeContentVisibility();
    }

    /// <summary>개발자 모드 활성화 상태에 따라 개발자 탭 내용 표시/숨김.</summary>
    private void UpdateDevModeContentVisibility()
    {
        if (DevModeContent != null)
            DevModeContent.Visibility = _vm.DevMode ? Visibility.Visible : Visibility.Collapsed;
    }

    // ─── AI 기능 활성화 토글 ────────────────────────────────────────────────

    /// <summary>AI 기능 토글 상태를 UI와 설정에 반영합니다.</summary>
    private void ApplyAiEnabledState(bool enabled, bool init = false)
    {
        ApplyMainTabVisibility(NormalizeDisplayMode((System.Windows.Application.Current as App)?.SettingsService?.Settings?.Llm?.AgentUiExpressionLevel));
    }

    public void SelectAgentSettingsTab()
    {
        OpenAgentSettingsShortcut(closeAfterOpen: false);
    }

    private void BtnAgentSettingsBack_Click(object sender, RoutedEventArgs e)
    {
        if (MainSettingsTab == null)
            return;

        var fallback = MainSettingsTab.Items
            .OfType<TabItem>()
            .FirstOrDefault(t => t != AgentTabItem && t.Visibility == Visibility.Visible);

        if (fallback != null)
            MainSettingsTab.SelectedItem = fallback;
    }

    private void BtnAgentShortcut_Click(object sender, RoutedEventArgs e)
    {
        OpenAgentSettingsShortcut(closeAfterOpen: true);
    }

    private void MainSettingsTab_SelectionChanged(object sender, SelectionChangedEventArgs e)
    {
        if (MainSettingsTab?.SelectedItem is not TabItem selected)
            return;

        if (!ReferenceEquals(selected, AgentShortcutTabItem))
            return;

        OpenAgentSettingsShortcut(closeAfterOpen: true);
    }

    private void OpenAgentSettingsShortcut(bool closeAfterOpen)
    {
        var app = System.Windows.Application.Current as App;
        app?.OpenAgentSettingsInChat();

        if (closeAfterOpen)
            Close();
    }

    private void ApplyOperationModeState(string? mode)
    {
        var normalized = OperationModePolicy.Normalize(mode);
        if (AgentOperationModeInternal != null) AgentOperationModeInternal.IsChecked = normalized == OperationModePolicy.InternalMode;
        if (AgentOperationModeExternal != null) AgentOperationModeExternal.IsChecked = normalized == OperationModePolicy.ExternalMode;
    }

    private static void SyncOperationModeCombo(ComboBox? combo, string normalized)
    {
        if (combo == null)
            return;

        foreach (var item in combo.Items.OfType<ComboBoxItem>())
        {
            var key = item.Tag as string;
            if (string.Equals(key, normalized, StringComparison.OrdinalIgnoreCase))
            {
                if (!ReferenceEquals(combo.SelectedItem, item))
                    combo.SelectedItem = item;
                return;
            }
        }
    }

    private bool PromptPasswordDialog(string title, string header, string message)
    {
        var bgBrush = TryFindResource("LauncherBackground") as Brush ?? new SolidColorBrush(Color.FromRgb(0x1E, 0x1E, 0x2E));
        var fgBrush = TryFindResource("PrimaryText") as Brush ?? Brushes.White;
        var subFgBrush = TryFindResource("SecondaryText") as Brush ?? Brushes.Gray;
        var borderBrush = TryFindResource("BorderColor") as Brush ?? new SolidColorBrush(Color.FromRgb(0x40, 0x40, 0x60));
        var itemBg = TryFindResource("ItemBackground") as Brush ?? new SolidColorBrush(Color.FromRgb(0x2A, 0x2A, 0x40));

        var dlg = new Window
        {
            Title = title,
            Width = 340,
            SizeToContent = SizeToContent.Height,
            WindowStartupLocation = WindowStartupLocation.CenterOwner,
            Owner = this,
            ResizeMode = ResizeMode.NoResize,
            WindowStyle = WindowStyle.None,
            AllowsTransparency = true,
            Background = Brushes.Transparent,
        };
        var border = new Border
        {
            Background = bgBrush,
            CornerRadius = new CornerRadius(12),
            BorderBrush = borderBrush,
            BorderThickness = new Thickness(1),
            Padding = new Thickness(20),
        };
        var stack = new StackPanel();
        stack.Children.Add(new TextBlock
        {
            Text = header,
            FontSize = 15,
            FontWeight = FontWeights.SemiBold,
            Foreground = fgBrush,
            Margin = new Thickness(0, 0, 0, 12),
        });
        stack.Children.Add(new TextBlock
        {
            Text = message,
            FontSize = 12,
            Foreground = subFgBrush,
            Margin = new Thickness(0, 0, 0, 6),
        });
        var pwBox = new PasswordBox
        {
            FontSize = 14,
            Padding = new Thickness(8, 6, 8, 6),
            Background = itemBg,
            Foreground = fgBrush,
            BorderBrush = borderBrush,
            PasswordChar = '*',
        };
        stack.Children.Add(pwBox);

        var btnRow = new StackPanel
        {
            Orientation = Orientation.Horizontal,
            HorizontalAlignment = HorizontalAlignment.Right,
            Margin = new Thickness(0, 16, 0, 0),
        };
        var cancelBtn = new Button { Content = "취소", Padding = new Thickness(16, 6, 16, 6), Margin = new Thickness(0, 0, 8, 0) };
        cancelBtn.Click += (_, _) => { dlg.DialogResult = false; };
        btnRow.Children.Add(cancelBtn);
        var okBtn = new Button { Content = "확인", Padding = new Thickness(16, 6, 16, 6), IsDefault = true };
        okBtn.Click += (_, _) =>
        {
            if (pwBox.Password == UnifiedAdminPassword)
                dlg.DialogResult = true;
            else
            {
                pwBox.Clear();
                pwBox.Focus();
            }
        };
        btnRow.Children.Add(okBtn);
        stack.Children.Add(btnRow);
        border.Child = stack;
        dlg.Content = border;
        dlg.Loaded += (_, _) => pwBox.Focus();
        return dlg.ShowDialog() == true;
    }

    private void AiEnabled_Changed(object sender, RoutedEventArgs e)
    {
        if (!IsLoaded) return;
        var sourceToggle = sender as CheckBox;
        var tryEnable = sourceToggle?.IsChecked == true;

        // 비활성화는 즉시 적용 (비밀번호 불필요)
        if (!tryEnable)
        {
            var app2 = System.Windows.Application.Current as App;
            if (app2?.SettingsService?.Settings != null)
            {
                app2.SettingsService.Settings.AiEnabled = false;
                app2.SettingsService.Save();
            }
            ApplyAiEnabledState(false);
            return;
        }

        // 이미 활성화된 상태에서 설정 창이 열릴 때 토글 복원으로 인한 이벤트 → 비밀번호 불필요
        var currentApp = System.Windows.Application.Current as App;
        if (currentApp?.SettingsService?.Settings.AiEnabled == true) return;

        // 새로 활성화하는 경우에만 비밀번호 확인
        var bgBrush    = TryFindResource("LauncherBackground") as Brush ?? new SolidColorBrush(Color.FromRgb(0x1E, 0x1E, 0x2E));
        var fgBrush    = TryFindResource("PrimaryText") as Brush ?? Brushes.White;
        var subFgBrush = TryFindResource("SecondaryText") as Brush ?? Brushes.Gray;
        var borderBrush = TryFindResource("BorderColor") as Brush ?? new SolidColorBrush(Color.FromRgb(0x40, 0x40, 0x60));
        var itemBg     = TryFindResource("ItemBackground") as Brush ?? new SolidColorBrush(Color.FromRgb(0x2A, 0x2A, 0x40));

        var dlg = new Window
        {
            Title = "AI 기능 활성화 ? 비밀번호 확인",
            Width = 340, SizeToContent = SizeToContent.Height,
            WindowStartupLocation = WindowStartupLocation.CenterOwner,
            Owner = this, ResizeMode = ResizeMode.NoResize,
            WindowStyle = WindowStyle.None, AllowsTransparency = true,
            Background = Brushes.Transparent,
        };
        var border = new Border
        {
            Background = bgBrush, CornerRadius = new CornerRadius(12),
            BorderBrush = borderBrush, BorderThickness = new Thickness(1), Padding = new Thickness(20),
        };
        var stack = new StackPanel();
        stack.Children.Add(new TextBlock
        {
            Text = "\U0001f512 AI 기능 활성화",
            FontSize = 15, FontWeight = FontWeights.SemiBold,
            Foreground = fgBrush, Margin = new Thickness(0, 0, 0, 12),
        });
        stack.Children.Add(new TextBlock
        {
            Text = "비밀번호를 입력하세요:",
            FontSize = 12, Foreground = subFgBrush, Margin = new Thickness(0, 0, 0, 6),
        });
        var pwBox = new PasswordBox
        {
            FontSize = 14, Padding = new Thickness(8, 6, 8, 6),
            Background = itemBg, Foreground = fgBrush, BorderBrush = borderBrush, PasswordChar = '*',
        };
        stack.Children.Add(pwBox);

        var btnRow = new StackPanel { Orientation = Orientation.Horizontal, HorizontalAlignment = HorizontalAlignment.Right, Margin = new Thickness(0, 16, 0, 0) };
        var cancelBtn = new Button { Content = "취소", Padding = new Thickness(16, 6, 16, 6), Margin = new Thickness(0, 0, 8, 0) };
        cancelBtn.Click += (_, _) => { dlg.DialogResult = false; };
        btnRow.Children.Add(cancelBtn);
        var okBtn = new Button { Content = "확인", Padding = new Thickness(16, 6, 16, 6), IsDefault = true };
        okBtn.Click += (_, _) =>
        {
            if (pwBox.Password == UnifiedAdminPassword)
                dlg.DialogResult = true;
            else
            {
                pwBox.Clear();
                pwBox.Focus();
            }
        };
        btnRow.Children.Add(okBtn);
        stack.Children.Add(btnRow);
        border.Child = stack;
        dlg.Content = border;
        dlg.Loaded += (_, _) => pwBox.Focus();

        if (dlg.ShowDialog() == true)
        {
            var app = System.Windows.Application.Current as App;
            if (app?.SettingsService?.Settings != null)
            {
                app.SettingsService.Settings.AiEnabled = true;
                app.SettingsService.Save();
            }
            ApplyAiEnabledState(true);
        }
        else
        {
            // 취소/실패 ? 토글 원상복구
            if (AgentAiEnabledToggle != null) AgentAiEnabledToggle.IsChecked = false;
        }
    }

    private void OperationModeCombo_SelectionChanged(object sender, SelectionChangedEventArgs e)
    {
        if (!IsLoaded) return;
        if (sender is not ComboBox combo || combo.SelectedItem is not ComboBoxItem selected) return;
        var mode = selected.Tag as string;
        if (string.IsNullOrWhiteSpace(mode)) return;

        var app = System.Windows.Application.Current as App;
        var settings = app?.SettingsService?.Settings;
        if (settings == null) return;

        var normalized = OperationModePolicy.Normalize(mode);
        var current = OperationModePolicy.Normalize(settings.OperationMode);
        if (string.Equals(normalized, current, StringComparison.OrdinalIgnoreCase))
            return;

        var ok = PromptPasswordDialog(
            "운영 모드 변경 ? 비밀번호 확인",
            "\U0001f512 사내/사외 모드 변경",
            "비밀번호를 입력하세요:");
        if (!ok)
        {
            ApplyOperationModeState(settings.OperationMode);
            return;
        }

        settings.OperationMode = normalized;
        app?.SettingsService?.Save();
    }

    private void StepApprovalCheckBox_Checked(object sender, RoutedEventArgs e)
    {
        if (sender is not CheckBox cb || !cb.IsChecked.GetValueOrDefault()) return;
        // 설정 창 로드 중 바인딩에 의한 자동 Checked 이벤트 무시 (이미 활성화된 상태 복원)
        if (!IsLoaded) return;

        // 테마 리소스 조회
        var bgBrush = TryFindResource("LauncherBackground") as Brush ?? new SolidColorBrush(Color.FromRgb(0x1E, 0x1E, 0x2E));
        var fgBrush = TryFindResource("PrimaryText") as Brush ?? Brushes.White;
        var subFgBrush = TryFindResource("SecondaryText") as Brush ?? Brushes.Gray;
        var borderBrush = TryFindResource("BorderColor") as Brush ?? new SolidColorBrush(Color.FromRgb(0x40, 0x40, 0x60));
        var itemBg = TryFindResource("ItemBackground") as Brush ?? new SolidColorBrush(Color.FromRgb(0x2A, 0x2A, 0x40));

        var dlg = new Window
        {
            Title = "스텝 바이 스텝 승인 ? 비밀번호 확인",
            Width = 340, SizeToContent = SizeToContent.Height,
            WindowStartupLocation = WindowStartupLocation.CenterOwner,
            Owner = this, ResizeMode = ResizeMode.NoResize,
            WindowStyle = WindowStyle.None, AllowsTransparency = true,
            Background = Brushes.Transparent,
        };
        var border = new Border
        {
            Background = bgBrush, CornerRadius = new CornerRadius(12),
            BorderBrush = borderBrush, BorderThickness = new Thickness(1), Padding = new Thickness(20),
        };
        var stack = new StackPanel();
        stack.Children.Add(new TextBlock
        {
            Text = "\U0001f50d 스텝 바이 스텝 승인 활성화",
            FontSize = 15, FontWeight = FontWeights.SemiBold,
            Foreground = fgBrush, Margin = new Thickness(0, 0, 0, 12),
        });
        stack.Children.Add(new TextBlock
        {
            Text = "개발자 비밀번호를 입력하세요:",
            FontSize = 12, Foreground = subFgBrush, Margin = new Thickness(0, 0, 0, 6),
        });
        var pwBox = new PasswordBox
        {
            FontSize = 14, Padding = new Thickness(8, 6, 8, 6),
            Background = itemBg, Foreground = fgBrush, BorderBrush = borderBrush, PasswordChar = '*',
        };
        stack.Children.Add(pwBox);

        var btnRow = new StackPanel { Orientation = Orientation.Horizontal, HorizontalAlignment = HorizontalAlignment.Right, Margin = new Thickness(0, 16, 0, 0) };
        var cancelBtn = new Button { Content = "취소", Padding = new Thickness(16, 6, 16, 6), Margin = new Thickness(0, 0, 8, 0) };
        cancelBtn.Click += (_, _) => { dlg.DialogResult = false; };
        btnRow.Children.Add(cancelBtn);
        var okBtn = new Button { Content = "확인", Padding = new Thickness(16, 6, 16, 6), IsDefault = true };
        okBtn.Click += (_, _) =>
        {
            if (pwBox.Password == UnifiedAdminPassword)
                dlg.DialogResult = true;
            else
            {
                pwBox.Clear();
                pwBox.Focus();
            }
        };
        btnRow.Children.Add(okBtn);
        stack.Children.Add(btnRow);
        border.Child = stack;
        dlg.Content = border;
        dlg.Loaded += (_, _) => pwBox.Focus();

        if (dlg.ShowDialog() != true)
        {
            cb.IsChecked = false;
        }
    }

    private void BtnClearMemory_Click(object sender, RoutedEventArgs e)
    {
        var result = CustomMessageBox.Show(
            "에이전트 메모리를 초기화하면 학습된 모든 규칙과 선호도가 삭제됩니다.\n계속하시겠습니까?",
            "에이전트 메모리 초기화",
            MessageBoxButton.YesNo,
            MessageBoxImage.Warning);
        if (result != MessageBoxResult.Yes) return;

        var app = System.Windows.Application.Current as App;
        app?.MemoryService?.Clear();
        CustomMessageBox.Show("에이전트 메모리가 초기화되었습니다.", "완료", MessageBoxButton.OK, MessageBoxImage.Information);
    }

    // ─── 에이전트 훅 관리 ─────────────────────────────────────────────────

    private void AddHookBtn_Click(object sender, MouseButtonEventArgs e)
    {
        ShowHookEditDialog(null, -1);
    }

    /// <summary>플레이스홀더(워터마크) TextBlock 생성 헬퍼.</summary>
    private static TextBlock CreatePlaceholder(string text, Brush foreground, string? currentValue)
    {
        return new TextBlock
        {
            Text = text,
            FontSize = 13,
            Foreground = foreground,
            Opacity = 0.45,
            IsHitTestVisible = false,
            VerticalAlignment = VerticalAlignment.Center,
            Padding = new Thickness(14, 8, 14, 8),
            Visibility = string.IsNullOrEmpty(currentValue) ? Visibility.Visible : Visibility.Collapsed,
        };
    }

    private void ShowHookEditDialog(Models.AgentHookEntry? existing, int index)
    {
        var bgBrush = TryFindResource("LauncherBackground") as Brush ?? new SolidColorBrush(Color.FromRgb(0x1E, 0x1E, 0x2E));
        var fgBrush = TryFindResource("PrimaryText") as Brush ?? Brushes.White;
        var subFgBrush = TryFindResource("SecondaryText") as Brush ?? Brushes.Gray;
        var borderBrush = TryFindResource("BorderColor") as Brush ?? new SolidColorBrush(Color.FromRgb(0x40, 0x40, 0x60));
        var itemBg = TryFindResource("ItemBackground") as Brush ?? new SolidColorBrush(Color.FromRgb(0x2A, 0x2A, 0x40));
        var accentBrush = TryFindResource("AccentColor") as Brush ?? Brushes.CornflowerBlue;

        var isNew = existing == null;
        var dlg = new Window
        {
            Title = isNew ? "훅 추가" : "훅 편집",
            Width = 420, SizeToContent = SizeToContent.Height,
            WindowStartupLocation = WindowStartupLocation.CenterOwner,
            Owner = this, ResizeMode = ResizeMode.NoResize,
            WindowStyle = WindowStyle.None, AllowsTransparency = true,
            Background = Brushes.Transparent,
        };

        var border = new Border
        {
            Background = bgBrush, CornerRadius = new CornerRadius(12),
            BorderBrush = borderBrush, BorderThickness = new Thickness(1), Padding = new Thickness(20),
        };
        var stack = new StackPanel();

        // 제목
        stack.Children.Add(new TextBlock
        {
            Text = isNew ? "\u2699 훅 추가" : "\u2699 훅 편집",
            FontSize = 15, FontWeight = FontWeights.SemiBold,
            Foreground = fgBrush, Margin = new Thickness(0, 0, 0, 14),
        });

        // ESC 키로 닫기
        dlg.KeyDown += (_, e) => { if (e.Key == System.Windows.Input.Key.Escape) dlg.Close(); };

        // 훅 이름
        stack.Children.Add(new TextBlock { Text = "훅 이름", FontSize = 12, Foreground = subFgBrush, Margin = new Thickness(0, 0, 0, 4) });
        var nameBox = new TextBox
        {
            Text = existing?.Name ?? "", FontSize = 13,
            Foreground = fgBrush, Background = itemBg,
            BorderBrush = borderBrush, Padding = new Thickness(12, 8, 12, 8),
        };
        var nameHolder = CreatePlaceholder("예: 코드 리뷰 후 알림", subFgBrush, existing?.Name);
        nameBox.TextChanged += (_, _) => nameHolder.Visibility = string.IsNullOrEmpty(nameBox.Text) ? Visibility.Visible : Visibility.Collapsed;
        var nameGrid = new Grid();
        nameGrid.Children.Add(nameBox);
        nameGrid.Children.Add(nameHolder);
        stack.Children.Add(nameGrid);

        // 대상 도구
        stack.Children.Add(new TextBlock { Text = "대상 도구 (* = 모든 도구)", FontSize = 12, Foreground = subFgBrush, Margin = new Thickness(0, 10, 0, 4) });
        var toolBox = new TextBox
        {
            Text = existing?.ToolName ?? "*", FontSize = 13,
            Foreground = fgBrush, Background = itemBg,
            BorderBrush = borderBrush, Padding = new Thickness(12, 8, 12, 8),
        };
        var toolHolder = CreatePlaceholder("예: file_write, grep_tool", subFgBrush, existing?.ToolName ?? "*");
        toolBox.TextChanged += (_, _) => toolHolder.Visibility = string.IsNullOrEmpty(toolBox.Text) ? Visibility.Visible : Visibility.Collapsed;
        var toolGrid = new Grid();
        toolGrid.Children.Add(toolBox);
        toolGrid.Children.Add(toolHolder);
        stack.Children.Add(toolGrid);

        // 타이밍
        stack.Children.Add(new TextBlock { Text = "실행 타이밍", FontSize = 12, Foreground = subFgBrush, Margin = new Thickness(0, 10, 0, 4) });
        var timingPanel = new StackPanel { Orientation = Orientation.Horizontal };
        var preRadio = new RadioButton { Content = "Pre (실행 전)", Foreground = fgBrush, FontSize = 13, Margin = new Thickness(0, 0, 16, 0), IsChecked = (existing?.Timing ?? "post") == "pre" };
        var postRadio = new RadioButton { Content = "Post (실행 후)", Foreground = fgBrush, FontSize = 13, IsChecked = (existing?.Timing ?? "post") != "pre" };
        timingPanel.Children.Add(preRadio);
        timingPanel.Children.Add(postRadio);
        stack.Children.Add(timingPanel);

        // 스크립트 경로
        stack.Children.Add(new TextBlock { Text = "스크립트 경로 (.bat / .cmd / .ps1)", FontSize = 12, Foreground = subFgBrush, Margin = new Thickness(0, 10, 0, 4) });
        var pathGrid = new Grid();
        pathGrid.ColumnDefinitions.Add(new ColumnDefinition { Width = new GridLength(1, GridUnitType.Star) });
        pathGrid.ColumnDefinitions.Add(new ColumnDefinition { Width = GridLength.Auto });
        var pathInnerGrid = new Grid();
        var pathBox = new TextBox
        {
            Text = existing?.ScriptPath ?? "", FontSize = 13,
            Foreground = fgBrush, Background = itemBg,
            BorderBrush = borderBrush, Padding = new Thickness(12, 8, 12, 8),
        };
        var pathHolder = CreatePlaceholder("예: C:\\scripts\\review-notify.bat", subFgBrush, existing?.ScriptPath);
        pathBox.TextChanged += (_, _) => pathHolder.Visibility = string.IsNullOrEmpty(pathBox.Text) ? Visibility.Visible : Visibility.Collapsed;
        pathInnerGrid.Children.Add(pathBox);
        pathInnerGrid.Children.Add(pathHolder);
        Grid.SetColumn(pathInnerGrid, 0);
        pathGrid.Children.Add(pathInnerGrid);

        var browseBtn = new Border
        {
            Background = itemBg, CornerRadius = new CornerRadius(6),
            Padding = new Thickness(10, 6, 10, 6), Margin = new Thickness(6, 0, 0, 0),
            Cursor = Cursors.Hand, VerticalAlignment = VerticalAlignment.Center,
        };
        browseBtn.Child = new TextBlock { Text = "...", FontSize = 13, Foreground = accentBrush };
        browseBtn.MouseLeftButtonUp += (_, _) =>
        {
            var ofd = new Microsoft.Win32.OpenFileDialog
            {
                Filter = "스크립트 파일|*.bat;*.cmd;*.ps1|모든 파일|*.*",
                Title = "훅 스크립트 선택",
            };
            if (ofd.ShowDialog() == true) pathBox.Text = ofd.FileName;
        };
        Grid.SetColumn(browseBtn, 1);
        pathGrid.Children.Add(browseBtn);
        stack.Children.Add(pathGrid);

        // 추가 인수
        stack.Children.Add(new TextBlock { Text = "추가 인수 (선택)", FontSize = 12, Foreground = subFgBrush, Margin = new Thickness(0, 10, 0, 4) });
        var argsBox = new TextBox
        {
            Text = existing?.Arguments ?? "", FontSize = 13,
            Foreground = fgBrush, Background = itemBg,
            BorderBrush = borderBrush, Padding = new Thickness(12, 8, 12, 8),
        };
        var argsHolder = CreatePlaceholder("예: --verbose --output log.txt", subFgBrush, existing?.Arguments);
        argsBox.TextChanged += (_, _) => argsHolder.Visibility = string.IsNullOrEmpty(argsBox.Text) ? Visibility.Visible : Visibility.Collapsed;
        var argsGrid = new Grid();
        argsGrid.Children.Add(argsBox);
        argsGrid.Children.Add(argsHolder);
        stack.Children.Add(argsGrid);

        // 버튼 행
        var btnRow = new StackPanel { Orientation = Orientation.Horizontal, HorizontalAlignment = HorizontalAlignment.Right, Margin = new Thickness(0, 16, 0, 0) };
        var cancelBorder = new Border
        {
            Background = itemBg, CornerRadius = new CornerRadius(8),
            Padding = new Thickness(16, 8, 16, 8), Margin = new Thickness(0, 0, 8, 0), Cursor = Cursors.Hand,
        };
        cancelBorder.Child = new TextBlock { Text = "취소", FontSize = 13, Foreground = subFgBrush };
        cancelBorder.MouseLeftButtonUp += (_, _) => dlg.Close();
        btnRow.Children.Add(cancelBorder);

        var saveBorder = new Border
        {
            Background = accentBrush, CornerRadius = new CornerRadius(8),
            Padding = new Thickness(16, 8, 16, 8), Cursor = Cursors.Hand,
        };
        saveBorder.Child = new TextBlock { Text = isNew ? "추가" : "저장", FontSize = 13, Foreground = Brushes.White, FontWeight = FontWeights.SemiBold };
        saveBorder.MouseLeftButtonUp += (_, _) =>
        {
            if (string.IsNullOrWhiteSpace(nameBox.Text) || string.IsNullOrWhiteSpace(pathBox.Text))
            {
                CustomMessageBox.Show("훅 이름과 스크립트 경로를 입력하세요.", "입력 오류", MessageBoxButton.OK, MessageBoxImage.Warning);
                return;
            }
            var entry = new Models.AgentHookEntry
            {
                Name = nameBox.Text.Trim(),
                ToolName = string.IsNullOrWhiteSpace(toolBox.Text) ? "*" : toolBox.Text.Trim(),
                Timing = preRadio.IsChecked == true ? "pre" : "post",
                ScriptPath = pathBox.Text.Trim(),
                Arguments = argsBox.Text.Trim(),
                Enabled = existing?.Enabled ?? true,
            };

            var hooks = _vm.Service.Settings.Llm.AgentHooks;
            if (isNew)
                hooks.Add(entry);
            else if (index >= 0 && index < hooks.Count)
                hooks[index] = entry;

            BuildHookCards();
            dlg.Close();
        };
        btnRow.Children.Add(saveBorder);
        stack.Children.Add(btnRow);

        border.Child = stack;
        dlg.Content = border;
        dlg.ShowDialog();
    }

    private void BuildHookCards()
    {
        if (HookListPanel == null) return;
        HookListPanel.Children.Clear();

        var hooks = _vm.Service.Settings.Llm.AgentHooks;
        var primaryText = TryFindResource("PrimaryText") as Brush ?? Brushes.Black;
        var secondaryText = TryFindResource("SecondaryText") as Brush ?? Brushes.Gray;
        var accentBrush = TryFindResource("AccentColor") as Brush ?? Brushes.Blue;

        for (int i = 0; i < hooks.Count; i++)
        {
            var hook = hooks[i];
            var idx = i;

            var card = new Border
            {
                Background = TryFindResource("ItemBackground") as Brush ?? Brushes.LightGray,
                CornerRadius = new CornerRadius(8), Padding = new Thickness(10, 8, 10, 8),
                Margin = new Thickness(0, 0, 0, 4),
            };

            var grid = new Grid();
            grid.ColumnDefinitions.Add(new ColumnDefinition { Width = GridLength.Auto });   // 토글
            grid.ColumnDefinitions.Add(new ColumnDefinition { Width = new GridLength(1, GridUnitType.Star) }); // 정보
            grid.ColumnDefinitions.Add(new ColumnDefinition { Width = GridLength.Auto });   // 편집
            grid.ColumnDefinitions.Add(new ColumnDefinition { Width = GridLength.Auto });   // 삭제

            // 토글
            var toggle = new CheckBox
            {
                IsChecked = hook.Enabled,
                VerticalAlignment = VerticalAlignment.Center,
                Margin = new Thickness(0, 0, 8, 0),
                Style = TryFindResource("ToggleSwitch") as Style,
            };
            var capturedHook = hook;
            toggle.Checked += (_, _) => capturedHook.Enabled = true;
            toggle.Unchecked += (_, _) => capturedHook.Enabled = false;
            Grid.SetColumn(toggle, 0);
            grid.Children.Add(toggle);

            // 정보
            var info = new StackPanel { VerticalAlignment = VerticalAlignment.Center };
            var timingBadge = hook.Timing == "pre" ? "PRE" : "POST";
            var timingColor = hook.Timing == "pre" ? "#FF9800" : "#4CAF50";
            var headerPanel = new StackPanel { Orientation = Orientation.Horizontal };
            headerPanel.Children.Add(new TextBlock
            {
                Text = hook.Name, FontSize = 13, FontWeight = FontWeights.SemiBold,
                Foreground = primaryText, VerticalAlignment = VerticalAlignment.Center,
            });
            headerPanel.Children.Add(new Border
            {
                Background = new SolidColorBrush((Color)ColorConverter.ConvertFromString(timingColor)),
                CornerRadius = new CornerRadius(4), Padding = new Thickness(5, 1, 5, 1),
                Margin = new Thickness(6, 0, 0, 0), VerticalAlignment = VerticalAlignment.Center,
                Child = new TextBlock { Text = timingBadge, FontSize = 9, Foreground = Brushes.White, FontWeight = FontWeights.Bold },
            });
            if (hook.ToolName != "*")
            {
                headerPanel.Children.Add(new Border
                {
                    Background = new SolidColorBrush(Color.FromArgb(40, 100, 100, 255)),
                    CornerRadius = new CornerRadius(4), Padding = new Thickness(5, 1, 5, 1),
                    Margin = new Thickness(4, 0, 0, 0), VerticalAlignment = VerticalAlignment.Center,
                    Child = new TextBlock { Text = hook.ToolName, FontSize = 9, Foreground = accentBrush },
                });
            }
            info.Children.Add(headerPanel);
            info.Children.Add(new TextBlock
            {
                Text = System.IO.Path.GetFileName(hook.ScriptPath),
                FontSize = 11, Foreground = secondaryText,
                TextTrimming = TextTrimming.CharacterEllipsis, MaxWidth = 200,
            });
            Grid.SetColumn(info, 1);
            grid.Children.Add(info);

            // 편집 버튼
            var editBtn = new Border
            {
                Cursor = Cursors.Hand, VerticalAlignment = VerticalAlignment.Center,
                Margin = new Thickness(4, 0, 4, 0), Padding = new Thickness(6),
            };
            editBtn.Child = new TextBlock
            {
                Text = "\uE70F", FontFamily = new FontFamily("Segoe MDL2 Assets"),
                FontSize = 12, Foreground = secondaryText,
            };
            editBtn.MouseLeftButtonUp += (_, _) => ShowHookEditDialog(hooks[idx], idx);
            Grid.SetColumn(editBtn, 2);
            grid.Children.Add(editBtn);

            // 삭제 버튼
            var delBtn = new Border
            {
                Cursor = Cursors.Hand, VerticalAlignment = VerticalAlignment.Center,
                Margin = new Thickness(0, 0, 0, 0), Padding = new Thickness(6),
            };
            delBtn.Child = new TextBlock
            {
                Text = "\uE74D", FontFamily = new FontFamily("Segoe MDL2 Assets"),
                FontSize = 12, Foreground = new SolidColorBrush(Color.FromRgb(0xEF, 0x53, 0x50)),
            };
            delBtn.MouseLeftButtonUp += (_, _) =>
            {
                hooks.RemoveAt(idx);
                BuildHookCards();
            };
            Grid.SetColumn(delBtn, 3);
            grid.Children.Add(delBtn);

            card.Child = grid;
            HookListPanel.Children.Add(card);
        }
    }

    // ─── MCP 서버 관리 ─────────────────────────────────────────────────
    private void BtnAddMcpServer_Click(object sender, RoutedEventArgs e)
    {
        var dlg = new InputDialog("MCP 서버 추가", "서버 이름:", placeholder: "예: my-mcp-server");
        dlg.Owner = this;
        if (dlg.ShowDialog() != true || string.IsNullOrWhiteSpace(dlg.ResponseText)) return;

        var name = dlg.ResponseText.Trim();
        var cmdDlg = new InputDialog("MCP 서버 추가", "실행 명령:", placeholder: "예: npx -y @modelcontextprotocol/server-filesystem");
        cmdDlg.Owner = this;
        if (cmdDlg.ShowDialog() != true || string.IsNullOrWhiteSpace(cmdDlg.ResponseText)) return;

        var entry = new Models.McpServerEntry { Name = name, Command = cmdDlg.ResponseText.Trim(), Enabled = true };
        _vm.Service.Settings.Llm.McpServers.Add(entry);
        BuildMcpServerCards();
    }

    private void BuildMcpServerCards()
    {
        if (McpServerListPanel == null) return;
        McpServerListPanel.Children.Clear();

        var servers = _vm.Service.Settings.Llm.McpServers;
        var primaryText = TryFindResource("PrimaryText") as System.Windows.Media.Brush ?? System.Windows.Media.Brushes.Black;
        var secondaryText = TryFindResource("SecondaryText") as System.Windows.Media.Brush ?? System.Windows.Media.Brushes.Gray;
        var accentBrush = TryFindResource("AccentColor") as System.Windows.Media.Brush ?? System.Windows.Media.Brushes.Blue;

        for (int i = 0; i < servers.Count; i++)
        {
            var srv = servers[i];
            var idx = i;

            var card = new Border
            {
                Background = TryFindResource("ItemBackground") as System.Windows.Media.Brush,
                CornerRadius = new CornerRadius(10),
                Padding = new Thickness(14, 10, 14, 10),
                Margin = new Thickness(0, 4, 0, 0),
                BorderBrush = TryFindResource("BorderColor") as System.Windows.Media.Brush,
                BorderThickness = new Thickness(1),
            };

            var grid = new Grid();
            grid.ColumnDefinitions.Add(new ColumnDefinition { Width = new GridLength(1, GridUnitType.Star) });
            grid.ColumnDefinitions.Add(new ColumnDefinition { Width = GridLength.Auto });

            var info = new StackPanel { VerticalAlignment = VerticalAlignment.Center };
            info.Children.Add(new TextBlock
            {
                Text = srv.Name, FontSize = 13.5, FontWeight = FontWeights.SemiBold, Foreground = primaryText,
            });
            var detailSp = new StackPanel { Orientation = Orientation.Horizontal, Margin = new Thickness(0, 3, 0, 0) };
            detailSp.Children.Add(new Border
            {
                Background = srv.Enabled ? accentBrush : System.Windows.Media.Brushes.Gray,
                CornerRadius = new CornerRadius(4), Padding = new Thickness(6, 1, 6, 1), Margin = new Thickness(0, 0, 8, 0), Opacity = 0.8,
                Child = new TextBlock { Text = srv.Enabled ? "활성" : "비활성", FontSize = 10, Foreground = System.Windows.Media.Brushes.White, FontWeight = FontWeights.SemiBold },
            });
            detailSp.Children.Add(new TextBlock
            {
                Text = $"{srv.Command} {string.Join(" ", srv.Args)}", FontSize = 11,
                Foreground = secondaryText, VerticalAlignment = VerticalAlignment.Center,
                MaxWidth = 300, TextTrimming = TextTrimming.CharacterEllipsis,
            });
            info.Children.Add(detailSp);
            Grid.SetColumn(info, 0);
            grid.Children.Add(info);

            var btnPanel = new StackPanel { Orientation = Orientation.Horizontal, VerticalAlignment = VerticalAlignment.Center };

            // 활성/비활성 토글
            var toggleBtn = new Button
            {
                Content = srv.Enabled ? "\uE73E" : "\uE711",
                FontFamily = new System.Windows.Media.FontFamily("Segoe MDL2 Assets"),
                FontSize = 12, ToolTip = srv.Enabled ? "비활성화" : "활성화",
                Background = System.Windows.Media.Brushes.Transparent, BorderThickness = new Thickness(0),
                Foreground = srv.Enabled ? accentBrush : System.Windows.Media.Brushes.Gray,
                Padding = new Thickness(6, 4, 6, 4), Cursor = Cursors.Hand,
            };
            toggleBtn.Click += (_, _) => { servers[idx].Enabled = !servers[idx].Enabled; BuildMcpServerCards(); };
            btnPanel.Children.Add(toggleBtn);

            // 삭제
            var delBtn = new Button
            {
                Content = "\uE74D", FontFamily = new System.Windows.Media.FontFamily("Segoe MDL2 Assets"),
                FontSize = 12, ToolTip = "삭제",
                Background = System.Windows.Media.Brushes.Transparent, BorderThickness = new Thickness(0),
                Foreground = new System.Windows.Media.SolidColorBrush(System.Windows.Media.Color.FromRgb(0xDD, 0x44, 0x44)),
                Padding = new Thickness(6, 4, 6, 4), Cursor = Cursors.Hand,
            };
            delBtn.Click += (_, _) => { servers.RemoveAt(idx); BuildMcpServerCards(); };
            btnPanel.Children.Add(delBtn);

            Grid.SetColumn(btnPanel, 1);
            grid.Children.Add(btnPanel);
            card.Child = grid;
            McpServerListPanel.Children.Add(card);
        }
    }

    // ─── 감사 로그 폴더 열기 ────────────────────────────────────────────
    private void BtnOpenAuditLog_Click(object sender, RoutedEventArgs e)
    {
        try { System.Diagnostics.Process.Start("explorer.exe", Services.AuditLogService.GetAuditFolder()); } catch { }
    }

    // ─── 폴백/MCP 텍스트 박스 로드/저장 ───────────────────────────────────
    private void BuildFallbackModelsPanel()
    {
        if (FallbackModelsPanel == null) return;
        FallbackModelsPanel.Children.Clear();

        var llm = _vm.Service.Settings.Llm;
        var fallbacks = llm.FallbackModels;
        var toggleStyle = TryFindResource("ToggleSwitch") as Style;

        // 서비스별로 모델 수집 (순서 고정: Ollama → vLLM → Gemini → Claude)
        var sections = new (string Service, string Label, string Color, List<string> Models)[]
        {
            ("ollama", "Ollama", "#107C10", new()),
            ("vllm",   "vLLM",   "#0078D4", new()),
            ("gemini", "Gemini", "#4285F4", new()),
            ("claude", "Claude", "#8B5CF6", new()),
        };

        // RegisteredModels → ViewModel과 AppSettings 양쪽에서 수집 (저장 전에도 반영)
        // 1) ViewModel의 RegisteredModels (UI에서 방금 추가한 것 포함)
        foreach (var row in _vm.RegisteredModels)
        {
            var svc = (row.Service ?? "").ToLowerInvariant();
            if (svc == string.Concat("cl", "aude"))
                svc = "claude";
            var modelName = !string.IsNullOrEmpty(row.Alias) ? row.Alias : row.EncryptedModelName;
            var section = sections.FirstOrDefault(s => s.Service == svc);
            if (section.Models != null && !string.IsNullOrEmpty(modelName) && !section.Models.Contains(modelName))
                section.Models.Add(modelName);
        }
        // 2) AppSettings의 RegisteredModels (기존 저장된 것 ? ViewModel에 없는 경우 보완)
        foreach (var m in llm.RegisteredModels)
        {
            var svc = (m.Service ?? "").ToLowerInvariant();
            if (svc == string.Concat("cl", "aude"))
                svc = "claude";
            var modelName = !string.IsNullOrEmpty(m.Alias) ? m.Alias : m.EncryptedModelName;
            var section = sections.FirstOrDefault(s => s.Service == svc);
            if (section.Models != null && !string.IsNullOrEmpty(modelName) && !section.Models.Contains(modelName))
                section.Models.Add(modelName);
        }

        // 현재 활성 모델 추가 (중복 제거)
        if (!string.IsNullOrEmpty(llm.OllamaModel) && !sections[0].Models.Contains(llm.OllamaModel))
            sections[0].Models.Add(llm.OllamaModel);
        if (!string.IsNullOrEmpty(llm.VllmModel) && !sections[1].Models.Contains(llm.VllmModel))
            sections[1].Models.Add(llm.VllmModel);

        // Gemini/Claude 고정 모델 목록
        foreach (var gm in new[] { "gemini-2.5-flash", "gemini-2.5-pro", "gemini-2.0-flash", "gemini-1.5-pro", "gemini-1.5-flash" })
            if (!sections[2].Models.Contains(gm)) sections[2].Models.Add(gm);
        foreach (var cm in new[]
        {
            string.Concat("cl", "aude-sonnet-4-6"),
            string.Concat("cl", "aude-opus-4-6"),
            string.Concat("cl", "aude-haiku-4-5"),
            string.Concat("cl", "aude-sonnet-4-5"),
        })
            if (!sections[3].Models.Contains(cm)) sections[3].Models.Add(cm);

        // 렌더링 ? 모델이 없는 섹션도 헤더는 표시
        foreach (var (service, svcLabel, svcColor, models) in sections)
        {
            FallbackModelsPanel.Children.Add(new TextBlock
            {
                Text = svcLabel,
                FontSize = 11, FontWeight = FontWeights.SemiBold,
                Foreground = BrushFromHex(svcColor),
                Margin = new Thickness(0, 8, 0, 4),
            });

            if (models.Count == 0)
            {
                FallbackModelsPanel.Children.Add(new TextBlock
                {
                    Text = "등록된 모델 없음",
                    FontSize = 11, Foreground = Brushes.Gray, FontStyle = FontStyles.Italic,
                    Margin = new Thickness(8, 2, 0, 4),
                });
                continue;
            }

            foreach (var modelName in models)
            {
                var fullKey = $"{service}:{modelName}";

                var row = new Grid { Margin = new Thickness(8, 2, 0, 2) };
                row.ColumnDefinitions.Add(new ColumnDefinition { Width = new GridLength(1, GridUnitType.Star) });
                row.ColumnDefinitions.Add(new ColumnDefinition { Width = GridLength.Auto });

                var label = new TextBlock
                {
                    Text = modelName, FontSize = 12, FontFamily = new FontFamily("Consolas, Courier New"),
                    VerticalAlignment = VerticalAlignment.Center,
                    Foreground = TryFindResource("PrimaryText") as Brush ?? Brushes.Black,
                };
                Grid.SetColumn(label, 0);
                row.Children.Add(label);

                var captured = fullKey;
                var cb = new CheckBox
                {
                    IsChecked = fallbacks.Contains(fullKey, StringComparer.OrdinalIgnoreCase),
                    HorizontalAlignment = HorizontalAlignment.Right,
                    VerticalAlignment = VerticalAlignment.Center,
                };
                if (toggleStyle != null) cb.Style = toggleStyle;
                cb.Checked += (_, _) =>
                {
                    if (!fallbacks.Contains(captured)) fallbacks.Add(captured);
                    FallbackModelsBox.Text = string.Join("\n", fallbacks);
                };
                cb.Unchecked += (_, _) =>
                {
                    fallbacks.RemoveAll(x => x.Equals(captured, StringComparison.OrdinalIgnoreCase));
                    FallbackModelsBox.Text = string.Join("\n", fallbacks);
                };
                Grid.SetColumn(cb, 1);
                row.Children.Add(cb);

                FallbackModelsPanel.Children.Add(row);
            }
        }
    }

    private void LoadAdvancedSettings()
    {
        var llm = _vm.Service.Settings.Llm;
        if (FallbackModelsBox != null)
            FallbackModelsBox.Text = string.Join("\n", llm.FallbackModels);
        BuildFallbackModelsPanel();
        if (McpServersBox != null)
        {
            try
            {
                var json = System.Text.Json.JsonSerializer.Serialize(llm.McpServers,
                    new System.Text.Json.JsonSerializerOptions { WriteIndented = true,
                        Encoder = System.Text.Encodings.Web.JavaScriptEncoder.UnsafeRelaxedJsonEscaping });
                McpServersBox.Text = json;
            }
            catch { McpServersBox.Text = "[]"; }
        }
        BuildMcpServerCards();
        BuildHookCards();
    }

    private void SaveAdvancedSettings()
    {
        var llm = _vm.Service.Settings.Llm;
        if (FallbackModelsBox != null)
        {
            llm.FallbackModels = FallbackModelsBox.Text
                .Split('\n', StringSplitOptions.RemoveEmptyEntries)
                .Select(s => s.Trim())
                .Where(s => s.Length > 0)
                .ToList();
        }
        if (McpServersBox != null && !string.IsNullOrWhiteSpace(McpServersBox.Text))
        {
            try
            {
                llm.McpServers = System.Text.Json.JsonSerializer.Deserialize<List<Models.McpServerEntry>>(
                    McpServersBox.Text) ?? new();
            }
            catch { /* JSON 파싱 실패 시 기존 유지 */ }
        }

        // 도구 비활성 목록 저장
        if (_toolCardsLoaded)
            llm.DisabledTools = _disabledTools.ToList();
    }

    private void AddSnippet_Click(object sender, RoutedEventArgs e)
    {
        if (!_vm.AddSnippet())
            CustomMessageBox.Show(
                "키워드와 내용은 필수 항목입니다.\n동일한 키워드가 이미 존재하면 추가할 수 없습니다.",
                "입력 오류", MessageBoxButton.OK, MessageBoxImage.Warning);
    }

    private void DeleteSnippet_Click(object sender, RoutedEventArgs e)
    {
        if (sender is Button btn && btn.Tag is ViewModels.SnippetRowModel row)
            _vm.RemoveSnippet(row);
    }

    private void Browse_Click(object sender, RoutedEventArgs e) => _vm.BrowseTarget();

    private void AddShortcut_Click(object sender, RoutedEventArgs e)
    {
        if (!_vm.AddShortcut())
            CustomMessageBox.Show(
                "키워드와 실행 대상은 필수 항목입니다.\n이미 동일한 키워드가 존재하면 추가할 수 없습니다.",
                "입력 오류", MessageBoxButton.OK, MessageBoxImage.Warning);
    }

    private void DeleteShortcut_Click(object sender, RoutedEventArgs e)
    {
        if (sender is Button btn && btn.Tag is ViewModels.AppShortcutModel shortcut)
            _vm.RemoveShortcut(shortcut);
    }

    private void AddBatchCommand_Click(object sender, RoutedEventArgs e)
    {
        if (!_vm.AddBatchCommand())
            CustomMessageBox.Show(
                "키워드와 명령어는 필수 항목입니다.\n동일한 키워드가 이미 존재하면 추가할 수 없습니다.",
                "입력 오류", MessageBoxButton.OK, MessageBoxImage.Warning);
    }

    private void DeleteBatchCommand_Click(object sender, RoutedEventArgs e)
    {
        if (sender is Button btn && btn.Tag is ViewModels.BatchCommandModel cmd)
            _vm.RemoveBatchCommand(cmd);
    }

    private void ResetCommandAliases_Click(object sender, RoutedEventArgs e)
    {
        _vm.ResetSystemCommandAliases();
    }

    private void AddIndexPath_Click(object sender, RoutedEventArgs e)
    {
        var text = NewIndexPathBox?.Text?.Trim() ?? "";
        if (!string.IsNullOrWhiteSpace(text))
        {
            _vm.AddIndexPath(text);
            if (NewIndexPathBox != null) NewIndexPathBox.Text = "";
        }
    }

    private void BrowseIndexPath_Click(object sender, RoutedEventArgs e) => _vm.BrowseIndexPath();

    private void ResetCapPrefix_Click(object sender, RoutedEventArgs e) => _vm.ResetCapPrefix();

    private void ResetCapGlobalHotkey_Click(object sender, RoutedEventArgs e) => _vm.ResetCapGlobalHotkey();

    private void CapHotkeyRecorder_PreviewKeyDown(object sender, System.Windows.Input.KeyEventArgs e)
    {
        e.Handled = true;
        var key = e.Key == System.Windows.Input.Key.System ? e.SystemKey : e.Key;

        // 수정자만 입력된 경우 무시
        if (key is System.Windows.Input.Key.LeftCtrl or System.Windows.Input.Key.RightCtrl
            or System.Windows.Input.Key.LeftAlt or System.Windows.Input.Key.RightAlt
            or System.Windows.Input.Key.LeftShift or System.Windows.Input.Key.RightShift
            or System.Windows.Input.Key.LWin or System.Windows.Input.Key.RWin)
            return;

        if (key == System.Windows.Input.Key.Escape) return;

        var parts = new List<string>();
        if (System.Windows.Input.Keyboard.Modifiers.HasFlag(System.Windows.Input.ModifierKeys.Control)) parts.Add("Ctrl");
        if (System.Windows.Input.Keyboard.Modifiers.HasFlag(System.Windows.Input.ModifierKeys.Alt)) parts.Add("Alt");
        if (System.Windows.Input.Keyboard.Modifiers.HasFlag(System.Windows.Input.ModifierKeys.Shift)) parts.Add("Shift");
        if (System.Windows.Input.Keyboard.Modifiers.HasFlag(System.Windows.Input.ModifierKeys.Windows)) parts.Add("Win");

        var keyName = key switch
        {
            System.Windows.Input.Key.Snapshot => "PrintScreen",
            System.Windows.Input.Key.Scroll   => "ScrollLock",
            System.Windows.Input.Key.Pause    => "Pause",
            _ => key.ToString()
        };
        parts.Add(keyName);

        var hotkey = string.Join("+", parts);
        if (AxCopilot.Core.HotkeyParser.TryParse(hotkey, out _))
            _vm.CapGlobalHotkey = hotkey;
    }

    private void ReminderCorner_Click(object sender, RoutedEventArgs e)
    {
        if (sender is System.Windows.Controls.RadioButton rb && rb.Tag is string corner)
            _vm.ReminderCorner = corner;
    }

    private void ReminderPreview_Click(object sender, RoutedEventArgs e)
    {
        try
        {
            var svc = _vm.Service;
            var (text, author) = Services.QuoteService.GetRandom(svc.Settings.Reminder.EnabledCategories);
            var usage = TimeSpan.FromMinutes(42); // 샘플 값

            // 현재 편집 중인 값을 임시로 적용
            var cfg = svc.Settings.Reminder;
            var origCorner  = cfg.Corner;
            var origSeconds = cfg.DisplaySeconds;
            cfg.Corner         = _vm.ReminderCorner;
            cfg.DisplaySeconds = _vm.ReminderDisplaySeconds;

            var popup = new ReminderPopupWindow(text, author, usage, svc);
            popup.Show();

            cfg.Corner         = origCorner;
            cfg.DisplaySeconds = origSeconds;
        }
        catch (Exception ex)
        {
            Services.LogService.Warn($"알림 미리보기 실패: {ex.Message}");
        }
    }

    private void RemoveIndexPath_Click(object sender, RoutedEventArgs e)
    {
        if (sender is Button btn && btn.Tag is string path)
            _vm.RemoveIndexPath(path);
    }

    private void AddExtension_Click(object sender, RoutedEventArgs e)
    {
        var text = NewExtensionBox?.Text?.Trim() ?? "";
        if (!string.IsNullOrWhiteSpace(text))
        {
            _vm.AddExtension(text);
            if (NewExtensionBox != null) NewExtensionBox.Text = "";
        }
    }

    private void RemoveExtension_Click(object sender, RoutedEventArgs e)
    {
        if (sender is Button btn && btn.Tag is string ext)
            _vm.RemoveExtension(ext);
    }

    private void Save_Click(object sender, RoutedEventArgs e)
    {
        SaveAdvancedSettings(); // 폴백/MCP 텍스트 박스 → settings 저장
        _vm.Save();
        CustomMessageBox.Show("설정이 저장되었습니다.", "AX Copilot", MessageBoxButton.OK, MessageBoxImage.Information);
    }

    private void Cancel_Click(object sender, RoutedEventArgs e)
    {
        Close();
    }

    private void ExportSettings_Click(object sender, RoutedEventArgs e)
    {
        var dlg = new Microsoft.Win32.SaveFileDialog
        {
            Title      = "설정 내보내기",
            Filter     = "AX Copilot 설정|*.axsettings",
            FileName   = $"AxCopilot_Settings_{DateTime.Now:yyyyMMdd}",
            DefaultExt = ".axsettings"
        };
        if (dlg.ShowDialog() != true) return;

        try
        {
            var srcPath = SettingsService.SettingsPath;
            if (System.IO.File.Exists(srcPath))
            {
                System.IO.File.Copy(srcPath, dlg.FileName, overwrite: true);
                CustomMessageBox.Show(
                    $"설정이 내보내졌습니다:\n{dlg.FileName}",
                    "AX Copilot", MessageBoxButton.OK,
                    MessageBoxImage.Information);
            }
        }
        catch (Exception ex)
        {
            CustomMessageBox.Show($"내보내기 실패: {ex.Message}", "오류");
        }
    }

    private void ImportSettings_Click(object sender, RoutedEventArgs e)
    {
        var dlg = new Microsoft.Win32.OpenFileDialog
        {
            Title  = "설정 불러오기",
            Filter = "AX Copilot 설정|*.axsettings|모든 파일|*.*"
        };
        if (dlg.ShowDialog() != true) return;

        var result = CustomMessageBox.Show(
            "설정을 불러오면 현재 설정이 덮어씌워집니다.\n계속하시겠습니까?",
            "AX Copilot ? 설정 불러오기",
            MessageBoxButton.YesNo,
            MessageBoxImage.Question);

        if (result != System.Windows.MessageBoxResult.Yes) return;

        try
        {
            var fileContent = System.IO.File.ReadAllText(dlg.FileName);
            // 암호화된 파일인지 판별: PortableDecrypt 시도
            var json = CryptoService.PortableDecrypt(fileContent);
            if (string.IsNullOrEmpty(json))
            {
                // 평문 JSON일 수 있음 ? 직접 파싱 시도
                try
                {
                    var test = System.Text.Json.JsonSerializer.Deserialize<Models.AppSettings>(fileContent);
                    if (test != null) json = fileContent;
                }
                catch { }
            }

            if (string.IsNullOrEmpty(json))
            {
                CustomMessageBox.Show("유효하지 않은 설정 파일입니다.", "오류");
                return;
            }

            // 유효한 설정인지 최종 확인
            var settings = System.Text.Json.JsonSerializer.Deserialize<Models.AppSettings>(json);
            if (settings == null)
            {
                CustomMessageBox.Show("설정 파일을 파싱할 수 없습니다.", "오류");
                return;
            }

            // 암호화하여 저장
            var encrypted = CryptoService.PortableEncrypt(json);
            System.IO.File.WriteAllText(SettingsService.SettingsPath, encrypted);

            CustomMessageBox.Show(
                "설정이 불러와졌습니다.\n변경 사항을 적용하려면 앱을 재시작하세요.",
                "AX Copilot", MessageBoxButton.OK,
                MessageBoxImage.Information);
            Close();
        }
        catch (Exception ex)
        {
            CustomMessageBox.Show($"불러오기 실패: {ex.Message}", "오류");
        }
    }

    protected override void OnClosing(System.ComponentModel.CancelEventArgs e)
    {
        // 저장하지 않고 닫아도 확인 없이 바로 닫힘 (revert는 OnClosed에서 처리)
        base.OnClosing(e);
    }

    protected override void OnClosed(EventArgs e)
    {
        if (!_saved) _revertCallback();
        base.OnClosed(e);
    }
}