[v2.0.0] AgentSettingsPanel 프리셋 섹션 추가

AgentSettingsPanel.xaml (+46줄):
- 프리셋 섹션 신규 추가 (MCP 서버 ↔ 고급 사이)
- "새 프리셋 저장" 버튼 (BtnPresetSave, 보라 아이콘)
- "프리셋 관리 →" 버튼 (BtnPresetManage, 화살표 아이콘)
- 호버 스타일 DynamicResource 적용

AgentSettingsPanel.xaml.cs (+10줄):
- PresetSaveRequested / PresetManageRequested Action 콜백 프로퍼티 추가
- BtnPresetSave_Click / BtnPresetManage_Click 핸들러 추가

ChatWindow.CustomPresets.cs (+110줄):
- ShowPresetManagePopup() 메서드 신규 구현
  · 현재 탭의 커스텀 프리셋 목록을 Popup으로 표시
  · 각 항목에 편집(✏)·삭제(🗑) 아이콘 인라인 배치
  · "새 프리셋 추가" 단축 버튼 하단 고정
  · PlacementMode.Left로 설정 패널 왼쪽에 앵커

ChatWindow.MoodMenu.cs (+2줄):
- ToggleSettingsPanel() 내 PresetSaveRequested·PresetManageRequested 콜백 연결

빌드: 경고 0, 오류 0

src/AxCopilot/Views/ChatWindow.CustomPresets.cs

@@ -156,6 +156,173 @@ public partial class ChatWindow
         return item;
     }
 
+    /// <summary>현재 탭의 커스텀 프리셋 목록 팝업을 표시합니다.</summary>
+    internal void ShowPresetManagePopup()
+    {
+        var customPresets = Llm.CustomPresets
+            .Where(c => c.Tab.Equals(_activeTab, StringComparison.OrdinalIgnoreCase))
+            .ToList();
+
+        var primaryText   = ThemeResourceHelper.Primary(this);
+        var secondaryText = ThemeResourceHelper.Secondary(this);
+        var menuBg        = ThemeResourceHelper.Background(this);
+        var borderBrush   = ThemeResourceHelper.Border(this);
+        var hoverBg       = ThemeResourceHelper.HoverBg(this);
+
+        var popup = new Popup
+        {
+            PlacementTarget = SettingsPanel,
+            Placement       = PlacementMode.Left,
+            VerticalOffset  = -40,
+            StaysOpen       = false,
+            AllowsTransparency = true,
+        };
+
+        var outer = new Border
+        {
+            Background      = menuBg,
+            CornerRadius    = new CornerRadius(12),
+            BorderBrush     = borderBrush,
+            BorderThickness = new Thickness(1),
+            Padding         = new Thickness(4),
+            MinWidth        = 230,
+            MaxHeight       = 340,
+            Effect = new System.Windows.Media.Effects.DropShadowEffect
+            {
+                BlurRadius = 16, ShadowDepth = 2, Opacity = 0.35, Color = Colors.Black,
+            },
+        };
+
+        var sv = new ScrollViewer
+        {
+            VerticalScrollBarVisibility   = ScrollBarVisibility.Auto,
+            HorizontalScrollBarVisibility = ScrollBarVisibility.Disabled,
+        };
+
+        var stack = new StackPanel { Margin = new Thickness(4) };
+
+        // 헤더
+        stack.Children.Add(new TextBlock
+        {
+            Text       = $"{_activeTab} 탭 프리셋 ({customPresets.Count}개)",
+            FontSize   = 12,
+            FontWeight = FontWeights.SemiBold,
+            Foreground = primaryText,
+            Margin     = new Thickness(8, 8, 8, 6),
+        });
+
+        if (customPresets.Count == 0)
+        {
+            stack.Children.Add(new TextBlock
+            {
+                Text       = "커스텀 프리셋이 없습니다.",
+                FontSize   = 12,
+                Foreground = secondaryText,
+                Margin     = new Thickness(8, 0, 8, 8),
+            });
+        }
+        else
+        {
+            foreach (var cp in customPresets)
+            {
+                var capturedCp = cp;
+
+                var row = new Border
+                {
+                    Background    = Brushes.Transparent,
+                    CornerRadius  = new CornerRadius(6),
+                    Padding       = new Thickness(6, 5, 6, 5),
+                    Cursor        = Cursors.Hand,
+                };
+                row.MouseEnter += (s, _) => { if (s is Border b) b.Background = hoverBg; };
+                row.MouseLeave += (s, _) => { if (s is Border b) b.Background = Brushes.Transparent; };
+
+                var rowGrid = new Grid();
+                rowGrid.ColumnDefinitions.Add(new ColumnDefinition { Width = new GridLength(1, GridUnitType.Star) });
+                rowGrid.ColumnDefinitions.Add(new ColumnDefinition { Width = GridLength.Auto });
+                rowGrid.ColumnDefinitions.Add(new ColumnDefinition { Width = GridLength.Auto });
+
+                rowGrid.Children.Add(new TextBlock
+                {
+                    Text            = capturedCp.Label,
+                    FontSize        = 12,
+                    Foreground      = primaryText,
+                    VerticalAlignment = VerticalAlignment.Center,
+                    TextTrimming    = TextTrimming.CharacterEllipsis,
+                });
+
+                var editIcon = new TextBlock
+                {
+                    Text          = "\uE70F",
+                    FontFamily    = ThemeResourceHelper.SegoeMdl2,
+                    FontSize      = 12,
+                    Foreground    = secondaryText,
+                    VerticalAlignment = VerticalAlignment.Center,
+                    Cursor        = Cursors.Hand,
+                    Margin        = new Thickness(8, 0, 4, 0),
+                };
+                Grid.SetColumn(editIcon, 1);
+                editIcon.MouseLeftButtonDown += (_, _) =>
+                {
+                    popup.IsOpen = false;
+                    var entry = Llm.CustomPresets.FirstOrDefault(c => c.Id == capturedCp.Id);
+                    if (entry != null) ShowCustomPresetDialog(entry);
+                };
+
+                var delIcon = new TextBlock
+                {
+                    Text          = "\uE74D",
+                    FontFamily    = ThemeResourceHelper.SegoeMdl2,
+                    FontSize      = 12,
+                    Foreground    = new SolidColorBrush(Color.FromRgb(0xEF, 0x44, 0x44)),
+                    VerticalAlignment = VerticalAlignment.Center,
+                    Cursor        = Cursors.Hand,
+                    Margin        = new Thickness(4, 0, 0, 0),
+                };
+                Grid.SetColumn(delIcon, 2);
+                delIcon.MouseLeftButtonDown += (_, _) =>
+                {
+                    popup.IsOpen = false;
+                    var result = CustomMessageBox.Show(
+                        $"'{capturedCp.Label}' 프리셋을 삭제하시겠습니까?",
+                        "프리셋 삭제", MessageBoxButton.YesNo, MessageBoxImage.Question);
+                    if (result == MessageBoxResult.Yes)
+                    {
+                        Llm.CustomPresets.RemoveAll(c => c.Id == capturedCp.Id);
+                        _settings.Save();
+                        BuildTopicButtons();
+                    }
+                };
+
+                rowGrid.Children.Add(editIcon);
+                rowGrid.Children.Add(delIcon);
+                row.Child = rowGrid;
+                stack.Children.Add(row);
+            }
+        }
+
+        // 구분선 + 새 프리셋 추가
+        stack.Children.Add(new Border
+        {
+            Height     = 1,
+            Background = borderBrush,
+            Margin     = new Thickness(4, 4, 4, 4),
+        });
+
+        var addItem = CreateContextMenuItem("\uE710", "새 프리셋 추가", primaryText, secondaryText);
+        addItem.MouseLeftButtonDown += (_, _) =>
+        {
+            popup.IsOpen = false;
+            ShowCustomPresetDialog(null);
+        };
+        stack.Children.Add(addItem);
+
+        sv.Content   = stack;
+        outer.Child  = sv;
+        popup.Child  = outer;
+        popup.IsOpen = true;
+    }
+
     /// <summary>대화 주제 선택 — 프리셋 시스템 프롬프트 + 카테고리 적용.</summary>
     private void SelectTopic(Services.TopicPreset preset)
     {

src/AxCopilot/Views/ChatWindow.MoodMenu.cs

@@ -451,6 +451,8 @@ public partial class ChatWindow
             SettingsPanel.ServiceSelectorRequested  = () => BtnModelSelector_Click(BtnModelSelector, new System.Windows.RoutedEventArgs());
             SettingsPanel.ModelSelectorRequested    = () => BtnModelSelector_Click(BtnModelSelector, new System.Windows.RoutedEventArgs());
             SettingsPanel.WorkFolderBrowseRequested = () => BrowseWorkFolder();
+            SettingsPanel.PresetSaveRequested       = () => ShowCustomPresetDialog(null);
+            SettingsPanel.PresetManageRequested     = () => ShowPresetManagePopup();
             SettingsPanel.IsOpen = true;
         }
     }

src/AxCopilot/Views/Controls/AgentSettingsPanel.xaml

@@ -351,6 +351,63 @@
 
                     <Border Height="1" Background="{DynamicResource BorderColor}" Margin="0,8,0,16"/>
 
+                    <!-- ═══ 프리셋 ═══ -->
+                    <TextBlock Text="프리셋" FontSize="13" FontWeight="SemiBold"
+                               Foreground="{DynamicResource PrimaryText}" Margin="0,0,0,8"/>
+
+                    <!-- 새 프리셋 저장 -->
+                    <Border x:Name="BtnPresetSave"
+                            CornerRadius="8" Padding="10,8" Margin="0,0,0,6" Cursor="Hand"
+                            MouseLeftButtonUp="BtnPresetSave_Click">
+                        <Border.Style>
+                            <Style TargetType="Border">
+                                <Setter Property="Background" Value="{DynamicResource ItemBackground}"/>
+                                <Style.Triggers>
+                                    <Trigger Property="IsMouseOver" Value="True">
+                                        <Setter Property="Background" Value="{DynamicResource ItemHoverBackground}"/>
+                                    </Trigger>
+                                </Style.Triggers>
+                            </Style>
+                        </Border.Style>
+                        <StackPanel Orientation="Horizontal">
+                            <TextBlock Text="&#xE74E;" FontFamily="Segoe MDL2 Assets" FontSize="13"
+                                       Foreground="#6366F1" VerticalAlignment="Center"/>
+                            <TextBlock Text=" 새 프리셋 저장" FontSize="12"
+                                       Foreground="{DynamicResource PrimaryText}" VerticalAlignment="Center"
+                                       Margin="6,0,0,0"/>
+                        </StackPanel>
+                    </Border>
+
+                    <!-- 프리셋 관리 -->
+                    <Border x:Name="BtnPresetManage"
+                            CornerRadius="8" Padding="10,8" Margin="0,0,0,8" Cursor="Hand"
+                            MouseLeftButtonUp="BtnPresetManage_Click">
+                        <Border.Style>
+                            <Style TargetType="Border">
+                                <Setter Property="Background" Value="{DynamicResource ItemBackground}"/>
+                                <Style.Triggers>
+                                    <Trigger Property="IsMouseOver" Value="True">
+                                        <Setter Property="Background" Value="{DynamicResource ItemHoverBackground}"/>
+                                    </Trigger>
+                                </Style.Triggers>
+                            </Style>
+                        </Border.Style>
+                        <Grid>
+                            <StackPanel Orientation="Horizontal">
+                                <TextBlock Text="&#xE8A4;" FontFamily="Segoe MDL2 Assets" FontSize="13"
+                                           Foreground="{DynamicResource SecondaryText}" VerticalAlignment="Center"/>
+                                <TextBlock Text=" 프리셋 관리" FontSize="12"
+                                           Foreground="{DynamicResource PrimaryText}" VerticalAlignment="Center"
+                                           Margin="6,0,0,0"/>
+                            </StackPanel>
+                            <TextBlock Text="&#xE76C;" FontFamily="Segoe MDL2 Assets" FontSize="11"
+                                       Foreground="{DynamicResource SecondaryText}"
+                                       HorizontalAlignment="Right" VerticalAlignment="Center"/>
+                        </Grid>
+                    </Border>
+
+                    <Border Height="1" Background="{DynamicResource BorderColor}" Margin="0,8,0,16"/>
+
                     <!-- ═══ 고급 ═══ -->
                     <TextBlock Text="고급" FontSize="13" FontWeight="SemiBold"
                                Foreground="{DynamicResource PrimaryText}" Margin="0,0,0,8"/>

src/AxCopilot/Views/Controls/AgentSettingsPanel.xaml.cs

@@ -29,6 +29,12 @@ public partial class AgentSettingsPanel : UserControl
     /// <summary>작업 폴더 탐색 요청 콜백 (ChatWindow.BrowseWorkFolder로 위임).</summary>
     public Action? WorkFolderBrowseRequested;
 
+    /// <summary>새 프리셋 저장 요청 콜백 (ChatWindow.ShowCustomPresetDialog(null)로 위임).</summary>
+    public Action? PresetSaveRequested;
+
+    /// <summary>프리셋 관리 요청 콜백 (ChatWindow.ShowPresetManagePopup()으로 위임).</summary>
+    public Action? PresetManageRequested;
+
     /// <summary>설정 패널 열림/닫힘 상태.</summary>
     public bool IsOpen
     {
@@ -190,6 +196,12 @@ public partial class AgentSettingsPanel : UserControl
         WorkFolderBrowseRequested?.Invoke();
     }
 
+    private void BtnPresetSave_Click(object sender, System.Windows.Input.MouseButtonEventArgs e)
+        => PresetSaveRequested?.Invoke();
+
+    private void BtnPresetManage_Click(object sender, System.Windows.Input.MouseButtonEventArgs e)
+        => PresetManageRequested?.Invoke();
+
     private void UpdateWorkFolder(SettingsService settings)
     {
         var folder = settings.Settings.Llm.WorkFolder;