재구성 AX Agent 설정과 채팅 UI를 Claude형 구조로

src/AxCopilot/Views/DockBarWindow.xaml.cs

@@ -3,9 +3,12 @@ using System.Runtime.InteropServices;
 using System.Windows;
 using System.Windows.Controls;
 using System.Windows.Input;
+using System.Windows.Interop;
 using System.Windows.Media;
 using System.Windows.Threading;
 using AxCopilot.Services;
+using FormsCursor = System.Windows.Forms.Cursor;
+using FormsScreen = System.Windows.Forms.Screen;
 
 namespace AxCopilot.Views;
 
@@ -48,14 +51,19 @@ public partial class DockBarWindow : Window
     private DispatcherTimer? _glowTimer;
 
     /// <summary>설정 저장 콜백 (위치 저장용).</summary>
-    public Action<double, double>? OnPositionChanged { get; set; }
+    public Action<string, double, double>? OnPositionChanged { get; set; }
 
     public DockBarWindow()
     {
         InitializeComponent();
 
         MouseLeftButtonDown += (_, e) => { if (e.LeftButton == MouseButtonState.Pressed) try { DragMove(); } catch { } };
-        LocationChanged += (_, _) => OnPositionChanged?.Invoke(Left, Top);
+        LocationChanged += (_, _) =>
+        {
+            var deviceName = GetCurrentMonitorDeviceName();
+            if (!string.IsNullOrWhiteSpace(deviceName))
+                OnPositionChanged?.Invoke(deviceName, Left, Top);
+        };
         Loaded += (_, _) => PositionDock();
         Closed += (_, _) => { _timer?.Stop(); _glowTimer?.Stop(); _cpuCounter?.Dispose(); };
     }
@@ -65,7 +73,7 @@ public partial class DockBarWindow : Window
     {
         Opacity = Math.Clamp(opacity, 0.3, 1.0);
 
-        if (left >= 0 && top >= 0)
+        if (left >= 0 && top >= 0 && IsWithinConnectedScreen(left, top))
         {
             Left = left;
             Top = top;
@@ -269,11 +277,34 @@ public partial class DockBarWindow : Window
 
     private void PositionDock()
     {
-        var screen = SystemParameters.WorkArea;
-        Left = (screen.Width - ActualWidth) / 2 + screen.Left;
+        var screen = FormsScreen.FromPoint(FormsCursor.Position).WorkingArea;
+        Left = screen.Left + (screen.Width - ActualWidth) / 2;
         Top = screen.Bottom - ActualHeight - 8;
     }
 
+    private string GetCurrentMonitorDeviceName()
+    {
+        var handle = new WindowInteropHelper(this).Handle;
+        return handle != IntPtr.Zero
+            ? FormsScreen.FromHandle(handle).DeviceName
+            : FormsScreen.FromPoint(FormsCursor.Position).DeviceName;
+    }
+
+    private bool IsWithinConnectedScreen(double left, double top)
+    {
+        var width = ActualWidth > 0 ? ActualWidth : (Width > 0 ? Width : 420);
+        var height = ActualHeight > 0 ? ActualHeight : (Height > 0 ? Height : 56);
+
+        foreach (var screen in FormsScreen.AllScreens)
+        {
+            var area = screen.WorkingArea;
+            if (left >= area.Left && top >= area.Top && left + width <= area.Right && top + height <= area.Bottom)
+                return true;
+        }
+
+        return false;
+    }
+
     private void OnTick(object? sender, EventArgs e)
     {
         if (_clockText != null)