chore: release v2.4

- Add theme system (Dark/Light palettes, ModernTheme, ThemeManager)
- Add InputDialog, Spinner common view
- Add DuplicatesCsvExportService
- Refresh views, dialogs, and view models across tabs
- Update localization strings (en/fr)
- Tweak services (transfer, permissions, search, user access, ownership elevation, bulk operations)

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

SharepointToolbox/Views/Tabs/TransferView.xaml

@@ -1,10 +1,13 @@
 <UserControl x:Class="SharepointToolbox.Views.Tabs.TransferView"
              xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-             xmlns:loc="clr-namespace:SharepointToolbox.Localization">
+             xmlns:loc="clr-namespace:SharepointToolbox.Localization"
+             xmlns:common="clr-namespace:SharepointToolbox.Views.Common">
     <DockPanel Margin="10">
         <!-- Options Panel (Left) -->
-        <StackPanel DockPanel.Dock="Left" Width="340" Margin="0,0,10,0">
+        <ScrollViewer DockPanel.Dock="Left" Width="340" Margin="0,0,10,0"
+                      VerticalScrollBarVisibility="Auto" HorizontalScrollBarVisibility="Disabled">
+        <StackPanel>
             <!-- Source -->
             <GroupBox Header="{Binding Source={x:Static loc:TranslationSource.Instance}, Path=[transfer.sourcesite]}"
                       Margin="0,0,0,10">
@@ -14,7 +17,21 @@
                     <Button Content="{Binding Source={x:Static loc:TranslationSource.Instance}, Path=[transfer.browse]}"
                             Click="BrowseSource_Click" Margin="0,0,0,5" />
                     <TextBlock Text="{Binding SourceLibrary}" FontWeight="SemiBold" />
-                    <TextBlock Text="{Binding SourceFolderPath}" Foreground="Gray" />
+                    <TextBlock Text="{Binding SourceFolderPath}" Foreground="{DynamicResource TextMutedBrush}" />
+                    <StackPanel Orientation="Horizontal">
+                        <TextBlock Foreground="{DynamicResource AccentBrush}" FontStyle="Italic" FontSize="11"
+                                   Text="{Binding SelectedFileCount, Mode=OneWay}" />
+                        <TextBlock Foreground="{DynamicResource AccentBrush}" FontStyle="Italic" FontSize="11"
+                                   Text="{Binding Source={x:Static loc:TranslationSource.Instance}, Path=[transfer.text.files_selected]}" />
+                    </StackPanel>
+                    <CheckBox Content="{Binding Source={x:Static loc:TranslationSource.Instance}, Path=[transfer.chk.include_source]}"
+                              IsChecked="{Binding IncludeSourceFolder}"
+                              Margin="0,6,0,0"
+                              ToolTip="{Binding Source={x:Static loc:TranslationSource.Instance}, Path=[transfer.chk.include_source.tooltip]}" />
+                    <CheckBox Content="{Binding Source={x:Static loc:TranslationSource.Instance}, Path=[transfer.chk.copy_contents]}"
+                              IsChecked="{Binding CopyFolderContents}"
+                              Margin="0,4,0,0"
+                              ToolTip="{Binding Source={x:Static loc:TranslationSource.Instance}, Path=[transfer.chk.copy_contents.tooltip]}" />
                 </StackPanel>
             </GroupBox>
 
@@ -27,7 +44,7 @@
                     <Button Content="{Binding Source={x:Static loc:TranslationSource.Instance}, Path=[transfer.browse]}"
                             Click="BrowseDest_Click" Margin="0,0,0,5" />
                     <TextBlock Text="{Binding DestLibrary}" FontWeight="SemiBold" />
-                    <TextBlock Text="{Binding DestFolderPath}" Foreground="Gray" />
+                    <TextBlock Text="{Binding DestFolderPath}" Foreground="{DynamicResource TextMutedBrush}" />
                 </StackPanel>
             </GroupBox>
 
@@ -62,9 +79,8 @@
                     Visibility="{Binding IsRunning, Converter={StaticResource BoolToVisibilityConverter}}" />
 
             <!-- Progress -->
-            <ProgressBar Height="20" Margin="0,10,0,5"
-                         Value="{Binding ProgressValue}"
-                         Visibility="{Binding IsRunning, Converter={StaticResource BoolToVisibilityConverter}}" />
+            <common:Spinner Width="20" Height="20" HorizontalAlignment="Left" Margin="0,10,0,5"
+                            Visibility="{Binding IsRunning, Converter={StaticResource BoolToVisibilityConverter}}" />
             <TextBlock Text="{Binding StatusMessage}" TextWrapping="Wrap" />
 
             <!-- Results -->
@@ -74,6 +90,7 @@
                     Command="{Binding ExportFailedCommand}"
                     Visibility="{Binding HasFailures, Converter={StaticResource BoolToVisibilityConverter}}" />
         </StackPanel>
+        </ScrollViewer>
 
         <!-- Right panel placeholder for future enhancements -->
         <Border />