AX Agent 질문/의견 요청 흐름을 transcript 우선으로 전환

- user_ask 콜백을 별도 팝업 대신 본문 inline 카드 경로로 변경
- 선택지 pill, 직접 입력, 전달/취소 버튼을 timeline 안에서 처리
- 계획 승인과 질문 요청이 같은 transcript-first UX 원칙을 따르도록 정리
- claw-code parity 문서와 개발 이력 문서에 질문/승인 UX 기준을 반영

검증 결과
- dotnet build src/AxCopilot/AxCopilot.csproj -c Release -v minimal -p:OutputPath=bin\verify\ -p:IntermediateOutputPath=obj\verify\
- 경고 0 / 오류 0

src/AxCopilot/Views/ChatWindow.xaml.cs

@@ -67,6 +67,7 @@ public partial class ChatWindow : Window
     private bool _aiIconPulseStopped;  // 펄스 1회만 중지
     private WorkflowAnalyzerWindow? _analyzerWindow; // 워크플로우 분석기
     private PlanViewerWindow? _planViewerWindow;    // 실행 계획 뷰어
+    private Border? _userAskCard;                   // transcript 내 질문 카드
     private bool _userScrolled; // 사용자가 위로 스크롤했는지
     private readonly HashSet<string> _sessionPermissionRules = new(StringComparer.OrdinalIgnoreCase);
     private readonly Dictionary<string, bool> _sessionMcpEnabledOverrides = new(StringComparer.OrdinalIgnoreCase);
@@ -200,16 +201,7 @@ public partial class ChatWindow : Window
 
                 return decision != PermissionRequestWindow.PermissionPromptResult.Reject;
             },
-            UserAskCallback = async (question, options, defaultValue) =>
-            {
-                string? response = null;
-                var appDispatcher = System.Windows.Application.Current?.Dispatcher ?? Dispatcher;
-                await appDispatcher.InvokeAsync(() =>
-                {
-                    response = UserAskDialog.Show(question, options, defaultValue);
-                });
-                return response;
-            },
+            UserAskCallback = ShowInlineUserAskAsync,
         };
         SubAgentTool.StatusChanged += OnSubAgentStatusChanged;
 
@@ -9902,6 +9894,250 @@ public partial class ChatWindow : Window
         outerStack.Children.Add(resultLabel);
     }
 
+    private async Task<string?> ShowInlineUserAskAsync(string question, List<string> options, string defaultValue)
+    {
+        var tcs = new TaskCompletionSource<string?>();
+
+        await Dispatcher.InvokeAsync(() =>
+        {
+            AddUserAskCard(question, options, defaultValue, tcs);
+        });
+
+        var completed = await Task.WhenAny(tcs.Task, Task.Delay(TimeSpan.FromMinutes(5)));
+        if (completed != tcs.Task)
+        {
+            await Dispatcher.InvokeAsync(() =>
+            {
+                RemoveUserAskCard();
+            });
+            return null;
+        }
+
+        return await tcs.Task;
+    }
+
+    private void RemoveUserAskCard()
+    {
+        if (_userAskCard == null)
+            return;
+
+        MessagePanel.Children.Remove(_userAskCard);
+        _userAskCard = null;
+    }
+
+    private void AddUserAskCard(string question, List<string> options, string defaultValue, TaskCompletionSource<string?> tcs)
+    {
+        RemoveUserAskCard();
+
+        var accentBrush = TryFindResource("AccentColor") as Brush ?? Brushes.CornflowerBlue;
+        var accentColor = ((SolidColorBrush)accentBrush).Color;
+        var primaryText = TryFindResource("PrimaryText") as Brush ?? Brushes.White;
+        var secondaryText = TryFindResource("SecondaryText") as Brush ?? Brushes.Gray;
+        var borderBrush = TryFindResource("BorderColor") as Brush
+                          ?? new SolidColorBrush(Color.FromArgb(0x24, accentColor.R, accentColor.G, accentColor.B));
+        var itemBg = TryFindResource("ItemBackground") as Brush
+                     ?? new SolidColorBrush(Color.FromArgb(0x10, accentColor.R, accentColor.G, accentColor.B));
+        var hoverBg = TryFindResource("ItemHoverBackground") as Brush
+                      ?? new SolidColorBrush(Color.FromArgb(0x16, 0xFF, 0xFF, 0xFF));
+        var okBrush = BrushFromHex("#10B981");
+        var dangerBrush = BrushFromHex("#EF4444");
+
+        var container = new Border
+        {
+            Margin = new Thickness(40, 4, 90, 8),
+            HorizontalAlignment = HorizontalAlignment.Left,
+            MaxWidth = Math.Max(420, GetMessageMaxWidth() - 36),
+            Background = itemBg,
+            BorderBrush = borderBrush,
+            BorderThickness = new Thickness(1),
+            CornerRadius = new CornerRadius(14),
+            Padding = new Thickness(14, 12, 14, 12),
+        };
+
+        var outer = new StackPanel();
+        outer.Children.Add(new TextBlock
+        {
+            Text = "의견 요청",
+            FontSize = 12.5,
+            FontWeight = FontWeights.SemiBold,
+            Foreground = primaryText,
+        });
+        outer.Children.Add(new TextBlock
+        {
+            Text = question,
+            Margin = new Thickness(0, 4, 0, 10),
+            FontSize = 12.5,
+            Foreground = primaryText,
+            TextWrapping = TextWrapping.Wrap,
+            LineHeight = 20,
+        });
+
+        Border? selectedOption = null;
+        string selectedResponse = defaultValue;
+
+        if (options.Count > 0)
+        {
+            var optionPanel = new WrapPanel
+            {
+                Margin = new Thickness(0, 0, 0, 10),
+                ItemWidth = double.NaN,
+            };
+
+            foreach (var option in options.Where(static option => !string.IsNullOrWhiteSpace(option)))
+            {
+                var optionLabel = option.Trim();
+                var optBorder = new Border
+                {
+                    Background = Brushes.Transparent,
+                    BorderBrush = borderBrush,
+                    BorderThickness = new Thickness(1),
+                    CornerRadius = new CornerRadius(999),
+                    Padding = new Thickness(10, 6, 10, 6),
+                    Margin = new Thickness(0, 0, 8, 8),
+                    Cursor = Cursors.Hand,
+                    Child = new TextBlock
+                    {
+                        Text = optionLabel,
+                        FontSize = 12,
+                        Foreground = primaryText,
+                    },
+                };
+
+                optBorder.MouseEnter += (s, _) =>
+                {
+                    if (!ReferenceEquals(selectedOption, s))
+                        ((Border)s).Background = hoverBg;
+                };
+                optBorder.MouseLeave += (s, _) =>
+                {
+                    if (!ReferenceEquals(selectedOption, s))
+                        ((Border)s).Background = Brushes.Transparent;
+                };
+                optBorder.MouseLeftButtonUp += (_, _) =>
+                {
+                    if (selectedOption != null)
+                    {
+                        selectedOption.Background = Brushes.Transparent;
+                        selectedOption.BorderBrush = borderBrush;
+                    }
+
+                    selectedOption = optBorder;
+                    selectedOption.Background = new SolidColorBrush(Color.FromArgb(0x18, accentColor.R, accentColor.G, accentColor.B));
+                    selectedOption.BorderBrush = accentBrush;
+                    selectedResponse = optionLabel;
+                };
+
+                optionPanel.Children.Add(optBorder);
+            }
+
+            outer.Children.Add(optionPanel);
+        }
+
+        outer.Children.Add(new TextBlock
+        {
+            Text = "직접 입력",
+            FontSize = 11.5,
+            Foreground = secondaryText,
+            Margin = new Thickness(0, 0, 0, 6),
+        });
+
+        var inputBox = new TextBox
+        {
+            Text = defaultValue,
+            AcceptsReturn = true,
+            TextWrapping = TextWrapping.Wrap,
+            MinHeight = 42,
+            MaxHeight = 100,
+            FontSize = 12.5,
+            Padding = new Thickness(10, 8, 10, 8),
+            Background = Brushes.Transparent,
+            Foreground = primaryText,
+            CaretBrush = primaryText,
+            BorderBrush = borderBrush,
+            BorderThickness = new Thickness(1),
+        };
+        inputBox.TextChanged += (_, _) =>
+        {
+            if (!string.IsNullOrWhiteSpace(inputBox.Text))
+            {
+                selectedResponse = inputBox.Text.Trim();
+                if (selectedOption != null)
+                {
+                    selectedOption.Background = Brushes.Transparent;
+                    selectedOption.BorderBrush = borderBrush;
+                    selectedOption = null;
+                }
+            }
+        };
+        outer.Children.Add(inputBox);
+
+        var buttonRow = new StackPanel
+        {
+            Orientation = Orientation.Horizontal,
+            HorizontalAlignment = HorizontalAlignment.Right,
+            Margin = new Thickness(0, 12, 0, 0),
+        };
+
+        Border BuildActionButton(string label, Brush bg, Brush fg)
+        {
+            return new Border
+            {
+                Background = bg,
+                BorderBrush = bg,
+                BorderThickness = new Thickness(1),
+                CornerRadius = new CornerRadius(999),
+                Padding = new Thickness(12, 7, 12, 7),
+                Margin = new Thickness(8, 0, 0, 0),
+                Cursor = Cursors.Hand,
+                Child = new TextBlock
+                {
+                    Text = label,
+                    FontSize = 12,
+                    FontWeight = FontWeights.SemiBold,
+                    Foreground = fg,
+                },
+            };
+        }
+
+        var cancelBtn = BuildActionButton("취소", Brushes.Transparent, dangerBrush);
+        cancelBtn.BorderBrush = new SolidColorBrush(Color.FromArgb(0x40, 0xEF, 0x44, 0x44));
+        cancelBtn.MouseLeftButtonUp += (_, _) =>
+        {
+            RemoveUserAskCard();
+            tcs.TrySetResult(null);
+        };
+        buttonRow.Children.Add(cancelBtn);
+
+        var submitBtn = BuildActionButton("전달", okBrush, Brushes.White);
+        submitBtn.MouseLeftButtonUp += (_, _) =>
+        {
+            var finalResponse = !string.IsNullOrWhiteSpace(inputBox.Text)
+                ? inputBox.Text.Trim()
+                : selectedResponse?.Trim();
+
+            if (string.IsNullOrWhiteSpace(finalResponse))
+                finalResponse = defaultValue?.Trim();
+
+            if (string.IsNullOrWhiteSpace(finalResponse))
+                return;
+
+            RemoveUserAskCard();
+            tcs.TrySetResult(finalResponse);
+        };
+        buttonRow.Children.Add(submitBtn);
+
+        outer.Children.Add(buttonRow);
+        container.Child = outer;
+        _userAskCard = container;
+
+        container.Opacity = 0;
+        container.BeginAnimation(UIElement.OpacityProperty, new DoubleAnimation(0, 1, TimeSpan.FromMilliseconds(180)));
+        MessagePanel.Children.Add(container);
+        ForceScrollToEnd();
+        inputBox.Focus();
+        inputBox.CaretIndex = inputBox.Text.Length;
+    }
+
     // ════════════════════════════════════════════════════════════
     //  실행 계획 뷰어 (PlanViewerWindow) 연동
     // ════════════════════════════════════════════════════════════