feat(ui): add RepoImportModalView

src/ClaudeDo.Ui/Views/Modals/RepoImportModalView.axaml

@@ -0,0 +1,73 @@
+<Window xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:vm="using:ClaudeDo.Ui.ViewModels.Modals"
+        x:Class="ClaudeDo.Ui.Views.Modals.RepoImportModalView"
+        x:DataType="vm:RepoImportModalViewModel"
+        Title="Add repos as lists"
+        Width="560" Height="480"
+        WindowDecorations="None"
+        ExtendClientAreaToDecorationsHint="True"
+        WindowStartupLocation="CenterOwner"
+        Background="{DynamicResource SurfaceBrush}">
+  <Window.KeyBindings>
+    <KeyBinding Gesture="Escape" Command="{Binding CancelCommand}"/>
+  </Window.KeyBindings>
+  <Border BorderBrush="{DynamicResource LineBrush}" BorderThickness="1">
+    <Grid RowDefinitions="36,Auto,*,52">
+
+      <!-- Header -->
+      <Border Grid.Row="0" Background="{DynamicResource DeepBrush}"
+              BorderBrush="{DynamicResource LineBrush}" BorderThickness="0,0,0,1">
+        <Grid ColumnDefinitions="*,Auto" Margin="14,0">
+          <TextBlock Text="ADD REPOS AS LISTS" FontFamily="{DynamicResource MonoFont}" FontSize="11"
+                     LetterSpacing="1.4" Foreground="{DynamicResource TextBrush}" VerticalAlignment="Center"/>
+          <Button Grid.Column="1" Classes="icon-btn" Content="✕" FontSize="12"
+                  Command="{Binding CancelCommand}" VerticalAlignment="Center"/>
+        </Grid>
+      </Border>
+
+      <!-- Add folder row -->
+      <Border Grid.Row="1" Padding="16,12,16,4">
+        <Button Content="Add folder…" Click="AddFolderClicked" HorizontalAlignment="Left"/>
+      </Border>
+
+      <!-- Repo checklist -->
+      <ScrollViewer Grid.Row="2" Padding="16,4,16,8">
+        <ItemsControl ItemsSource="{Binding Repos}">
+          <ItemsControl.ItemTemplate>
+            <DataTemplate DataType="vm:RepoImportItemViewModel">
+              <Grid ColumnDefinitions="Auto,*,Auto" Margin="0,4">
+                <CheckBox Grid.Column="0"
+                          IsChecked="{Binding IsChecked, Mode=TwoWay}"
+                          IsEnabled="{Binding CanToggle}"
+                          VerticalAlignment="Center"/>
+                <StackPanel Grid.Column="1" Margin="6,0" VerticalAlignment="Center">
+                  <TextBlock Text="{Binding Name}" Foreground="{DynamicResource TextBrush}" FontSize="13"/>
+                  <TextBlock Text="{Binding FullPath}" Foreground="{DynamicResource TextFaintBrush}"
+                             FontFamily="{DynamicResource MonoFont}" FontSize="10"
+                             TextTrimming="CharacterEllipsis"/>
+                </StackPanel>
+                <TextBlock Grid.Column="2" Text="(already added)"
+                           Foreground="{DynamicResource TextFaintBrush}" FontSize="11"
+                           VerticalAlignment="Center"
+                           IsVisible="{Binding AlreadyAdded}"/>
+              </Grid>
+            </DataTemplate>
+          </ItemsControl.ItemTemplate>
+        </ItemsControl>
+      </ScrollViewer>
+
+      <!-- Footer -->
+      <Border Grid.Row="3" Background="{DynamicResource DeepBrush}"
+              BorderBrush="{DynamicResource LineBrush}" BorderThickness="0,1,0,0">
+        <StackPanel Orientation="Horizontal" Spacing="8" HorizontalAlignment="Right"
+                    VerticalAlignment="Center" Margin="16,0">
+          <Button Content="Cancel" Command="{Binding CancelCommand}" MinWidth="90"/>
+          <Button Content="{Binding CreateButtonText}" Command="{Binding CreateCommand}"
+                  IsEnabled="{Binding CanCreate}" MinWidth="120" Classes="primary"/>
+        </StackPanel>
+      </Border>
+
+    </Grid>
+  </Border>
+</Window>

src/ClaudeDo.Ui/Views/Modals/RepoImportModalView.axaml.cs

@@ -0,0 +1,30 @@
+using Avalonia.Controls;
+using Avalonia.Interactivity;
+using Avalonia.Platform.Storage;
+using ClaudeDo.Ui.ViewModels.Modals;
+
+namespace ClaudeDo.Ui.Views.Modals;
+
+public partial class RepoImportModalView : Window
+{
+    public RepoImportModalView()
+    {
+        InitializeComponent();
+    }
+
+    private async void AddFolderClicked(object? sender, RoutedEventArgs e)
+    {
+        if (DataContext is not RepoImportModalViewModel vm) return;
+        var top = TopLevel.GetTopLevel(this);
+        if (top is null) return;
+
+        var folders = await top.StorageProvider.OpenFolderPickerAsync(new FolderPickerOpenOptions
+        {
+            Title = "Choose folders containing repos",
+            AllowMultiple = true,
+        });
+        if (folders.Count == 0) return;
+
+        vm.AddFolders(folders.Select(f => f.Path.LocalPath));
+    }
+}