Initial commit to new repository

src/AxCopilot/Views/EyeDropperWindow.xaml

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+<Window x:Class="AxCopilot.Views.EyeDropperWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        WindowStyle="None"
+        AllowsTransparency="True"
+        UseLayoutRounding="True"
+        SnapsToDevicePixels="True"
+        Background="Transparent"
+        Topmost="True"
+        ShowInTaskbar="False"
+        ResizeMode="NoResize"
+        WindowStartupLocation="Manual"
+        Cursor="Cross"
+        MouseDown="Window_MouseDown"
+        MouseMove="Window_MouseMove"
+        KeyDown="Window_KeyDown">
+
+    <!-- 전체 화면 투명 오버레이 (클릭 이벤트 수신용) -->
+    <Canvas x:Name="RootCanvas" Background="#01000000">
+        <!-- 마우스 따라다니는 돋보기 -->
+        <Border x:Name="Magnifier"
+                Width="90" Height="90"
+                CornerRadius="45"
+                BorderBrush="#88FFFFFF" BorderThickness="2"
+                IsHitTestVisible="False"
+                Visibility="Collapsed">
+            <Border.Effect>
+                <DropShadowEffect Color="Black" BlurRadius="8" ShadowDepth="2" Opacity="0.28"/>
+            </Border.Effect>
+            <Grid>
+                <Ellipse x:Name="MagPreview" Width="86" Height="86"/>
+                <!-- 중앙 십자선 -->
+                <Rectangle Width="1" Height="20" Fill="#88FFFFFF" HorizontalAlignment="Center" VerticalAlignment="Center"/>
+                <Rectangle Width="20" Height="1" Fill="#88FFFFFF" HorizontalAlignment="Center" VerticalAlignment="Center"/>
+            </Grid>
+        </Border>
+
+        <!-- HEX 코드 레이블 -->
+        <Border x:Name="HexLabel"
+                Background="#CC1A1B2E"
+                CornerRadius="6"
+                Padding="8,4"
+                IsHitTestVisible="False"
+                Visibility="Collapsed">
+            <TextBlock x:Name="HexLabelText"
+                       FontSize="12"
+                       FontFamily="Consolas"
+                       FontWeight="Bold"
+                       Foreground="White"/>
+        </Border>
+    </Canvas>
+</Window>