feat(ui): add ListSettingsModalView

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

@@ -0,0 +1,80 @@
+<Window xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:vm="clr-namespace:ClaudeDo.Ui.ViewModels.Modals"
+        x:Class="ClaudeDo.Ui.Views.Modals.ListSettingsModalView"
+        x:DataType="vm:ListSettingsModalViewModel"
+        Title="List settings"
+        Width="520" Height="600"
+        WindowStartupLocation="CenterOwner"
+        CanResize="False">
+    <DockPanel Margin="16">
+        <StackPanel DockPanel.Dock="Bottom" Orientation="Horizontal" HorizontalAlignment="Right" Spacing="8" Margin="0,16,0,0">
+            <Button Content="Cancel" Command="{Binding CancelCommand}" />
+            <Button Content="Save" Command="{Binding SaveCommand}" Classes="accent" />
+        </StackPanel>
+
+        <ScrollViewer>
+            <StackPanel Spacing="16">
+                <TextBlock Text="General" FontSize="16" FontWeight="SemiBold" />
+
+                <StackPanel Spacing="4">
+                    <TextBlock Text="Name" />
+                    <TextBox Text="{Binding Name}" />
+                </StackPanel>
+
+                <StackPanel Spacing="4">
+                    <TextBlock Text="Working directory" />
+                    <Grid ColumnDefinitions="*,Auto">
+                        <TextBox Grid.Column="0" Text="{Binding WorkingDir}" Watermark="(none)" />
+                        <Button Grid.Column="1" Content="Browse..." Margin="8,0,0,0" Click="BrowseClicked" />
+                    </Grid>
+                </StackPanel>
+
+                <StackPanel Spacing="4">
+                    <TextBlock Text="Default commit type" />
+                    <ComboBox ItemsSource="{Binding CommitTypeOptions}"
+                              SelectedItem="{Binding DefaultCommitType, Mode=TwoWay}"
+                              HorizontalAlignment="Left" MinWidth="160" />
+                </StackPanel>
+
+                <Separator Margin="0,8,0,8" />
+
+                <Grid ColumnDefinitions="*,Auto">
+                    <TextBlock Grid.Column="0" Text="Agent" FontSize="16" FontWeight="SemiBold" />
+                    <Button Grid.Column="1" Content="Reset agent settings"
+                            Command="{Binding ResetAgentSettingsCommand}" />
+                </Grid>
+
+                <StackPanel Spacing="4">
+                    <TextBlock Text="Model" />
+                    <ComboBox ItemsSource="{Binding ModelOptions}"
+                              SelectedItem="{Binding SelectedModel, Mode=TwoWay}"
+                              HorizontalAlignment="Left" MinWidth="160" />
+                </StackPanel>
+
+                <StackPanel Spacing="4">
+                    <TextBlock Text="System prompt (appended)" />
+                    <TextBox Text="{Binding SystemPrompt, Mode=TwoWay}"
+                             AcceptsReturn="True" TextWrapping="Wrap"
+                             MinHeight="80" />
+                </StackPanel>
+
+                <StackPanel Spacing="4">
+                    <TextBlock Text="Agent file" />
+                    <ComboBox ItemsSource="{Binding Agents}"
+                              SelectedItem="{Binding SelectedAgent, Mode=TwoWay}"
+                              HorizontalAlignment="Left" MinWidth="240">
+                        <ComboBox.ItemTemplate>
+                            <DataTemplate>
+                                <StackPanel>
+                                    <TextBlock Text="{Binding Name}" />
+                                    <TextBlock Text="{Binding Description}" Opacity="0.6" FontSize="11" />
+                                </StackPanel>
+                            </DataTemplate>
+                        </ComboBox.ItemTemplate>
+                    </ComboBox>
+                </StackPanel>
+            </StackPanel>
+        </ScrollViewer>
+    </DockPanel>
+</Window>

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

@@ -0,0 +1,31 @@
+using Avalonia.Controls;
+using Avalonia.Interactivity;
+using Avalonia.Platform.Storage;
+using ClaudeDo.Ui.ViewModels.Modals;
+
+namespace ClaudeDo.Ui.Views.Modals;
+
+public partial class ListSettingsModalView : Window
+{
+    public ListSettingsModalView()
+    {
+        InitializeComponent();
+    }
+
+    private async void BrowseClicked(object? sender, RoutedEventArgs e)
+    {
+        if (DataContext is not ListSettingsModalViewModel vm) return;
+        var top = TopLevel.GetTopLevel(this);
+        if (top is null) return;
+
+        var folders = await top.StorageProvider.OpenFolderPickerAsync(new FolderPickerOpenOptions
+        {
+            Title = "Choose working directory",
+            AllowMultiple = false,
+        });
+        if (folders.Count > 0)
+        {
+            vm.WorkingDir = folders[0].Path.LocalPath;
+        }
+    }
+}