AX Agent 작업 폴더 팝업 단순화

작업 폴더 선택 팝업을 검색과 요약 스트립 중심 구조에서 최근 폴더 목록 중심 구조로 재구성했다.

현재 선택 체크가 보이는 최근 폴더 목록과 다른 폴더 선택 액션만 남겨 캡처와 비슷한 빠른 선택 흐름으로 정리했다.

README와 DEVELOPMENT 문서에 변경 이력과 시점을 반영했다.

검증: 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

@@ -1502,48 +1502,23 @@
                        AllowsTransparency="True" PopupAnimation="Fade">
                     <Border Background="{DynamicResource LauncherBackground}"
                             BorderBrush="{DynamicResource BorderColor}"
-                            BorderThickness="1" CornerRadius="16">
+                            BorderThickness="1"
+                            CornerRadius="16"
+                            MinWidth="286"
+                            MaxWidth="332">
                         <Border.Effect>
                             <DropShadowEffect BlurRadius="22" ShadowDepth="0" Opacity="0.14"/>
                         </Border.Effect>
                         <StackPanel Margin="0">
-                            <TextBlock Text="워크스페이스 선택"
-                                       Margin="16,14,16,6"
+                            <TextBlock Text="최근"
+                                       Margin="16,14,16,10"
                                        FontSize="12.5"
                                        FontWeight="SemiBold"
                                        Foreground="{DynamicResource PrimaryText}"/>
-                            <Border Margin="4,4,4,8"
-                                    CornerRadius="10"
-                                    BorderBrush="{DynamicResource BorderColor}"
-                                    BorderThickness="1"
-                                    Background="{DynamicResource ItemBackground}">
-                                <Grid>
-                                    <Grid.ColumnDefinitions>
-                                        <ColumnDefinition Width="Auto"/>
-                                        <ColumnDefinition Width="*"/>
-                                    </Grid.ColumnDefinitions>
-                                    <TextBlock Text="&#xE721;"
-                                               FontFamily="Segoe MDL2 Assets"
-                                               FontSize="11"
-                                               Foreground="{DynamicResource SecondaryText}"
-                                               VerticalAlignment="Center"
-                                               Margin="10,0,8,0"/>
-                                    <TextBox x:Name="FolderMenuSearchBox"
-                                             Grid.Column="1"
-                                             BorderThickness="0"
-                                             Background="Transparent"
-                                             Foreground="{DynamicResource PrimaryText}"
-                                             CaretBrush="{DynamicResource AccentColor}"
-                                             FontSize="11.5"
-                                             Padding="0,8,10,8"
-                                             ToolTip="프로젝트 검색"
-                                             TextChanged="FolderMenuSearchBox_TextChanged"/>
-                                </Grid>
-                            </Border>
                             <ScrollViewer MaxHeight="360"
                                           VerticalScrollBarVisibility="Auto"
                                           HorizontalScrollBarVisibility="Disabled"
-                                          Padding="4,0,4,8">
+                                          Padding="10,0,10,10">
                                 <StackPanel x:Name="FolderMenuItems" Margin="2"/>
                             </ScrollViewer>
                         </StackPanel>