chore: deprecate standalone SecureStoreManager utility

Move SecureStoreManager project and tests to Deprecated folder and remove
from solution. SecureStore functionality is now integrated into ConfigManager.

Deprecated/JdeScoping.SecureStoreManager/Views/MainWindow.axaml

@@ -0,0 +1,114 @@
+<Window xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:vm="clr-namespace:JdeScoping.SecureStoreManager.ViewModels"
+        x:Class="JdeScoping.SecureStoreManager.Views.MainWindow"
+        Title="{Binding WindowTitle}"
+        Height="500" Width="800"
+        MinHeight="400" MinWidth="600"
+        WindowStartupLocation="CenterScreen">
+    <!-- DataContext is set via DI in App.axaml.cs -->
+
+    <Window.KeyBindings>
+        <KeyBinding Gesture="Ctrl+N" Command="{Binding NewStoreCommand}" />
+        <KeyBinding Gesture="Ctrl+O" Command="{Binding OpenStoreCommand}" />
+        <KeyBinding Gesture="Ctrl+S" Command="{Binding SaveCommand}" />
+        <KeyBinding Gesture="Ctrl+W" Command="{Binding CloseStoreCommand}" />
+        <KeyBinding Gesture="Delete" Command="{Binding DeleteSecretCommand}" />
+    </Window.KeyBindings>
+
+    <Grid RowDefinitions="Auto,Auto,*,Auto">
+        <!-- Menu Bar -->
+        <Menu Grid.Row="0">
+            <MenuItem Header="_File">
+                <MenuItem Header="_New Store..." Command="{Binding NewStoreCommand}" InputGesture="Ctrl+N" />
+                <MenuItem Header="_Open Store..." Command="{Binding OpenStoreCommand}" InputGesture="Ctrl+O" />
+                <Separator />
+                <MenuItem Header="_Save" Command="{Binding SaveCommand}" InputGesture="Ctrl+S" />
+                <Separator />
+                <MenuItem Header="_Close Store" Command="{Binding CloseStoreCommand}" InputGesture="Ctrl+W" />
+                <Separator />
+                <MenuItem Header="E_xit" Command="{Binding ExitCommand}" InputGesture="Alt+F4" />
+            </MenuItem>
+            <MenuItem Header="_Secrets">
+                <MenuItem Header="_Add Secret..." Command="{Binding AddSecretCommand}" />
+                <MenuItem Header="_Edit Secret..." Command="{Binding EditSecretCommand}" />
+                <Separator />
+                <MenuItem Header="_Delete Secret" Command="{Binding DeleteSecretCommand}" InputGesture="Delete" />
+            </MenuItem>
+            <MenuItem Header="_Tools">
+                <MenuItem Header="_Generate Key File..." Command="{Binding GenerateKeyFileCommand}" />
+                <MenuItem Header="_Export Current Key..." Command="{Binding ExportKeyCommand}" />
+            </MenuItem>
+        </Menu>
+
+        <!-- Toolbar -->
+        <Border Grid.Row="1" BorderBrush="LightGray" BorderThickness="0,0,0,1" Padding="5">
+            <StackPanel Orientation="Horizontal" Spacing="5">
+                <Button Content="New" Command="{Binding NewStoreCommand}" ToolTip.Tip="Create new store (Ctrl+N)" Padding="8,4" />
+                <Button Content="Open" Command="{Binding OpenStoreCommand}" ToolTip.Tip="Open existing store (Ctrl+O)" Padding="8,4" />
+                <Button Content="Save" Command="{Binding SaveCommand}" ToolTip.Tip="Save changes (Ctrl+S)" Padding="8,4" />
+                <Rectangle Width="1" Fill="LightGray" Margin="5,0" />
+                <Button Content="Add" Command="{Binding AddSecretCommand}" ToolTip.Tip="Add new secret" Padding="8,4" />
+                <Button Content="Edit" Command="{Binding EditSecretCommand}" ToolTip.Tip="Edit selected secret" Padding="8,4" />
+                <Button Content="Delete" Command="{Binding DeleteSecretCommand}" ToolTip.Tip="Delete selected secret (Delete)" Padding="8,4" />
+            </StackPanel>
+        </Border>
+
+        <!-- Main Content -->
+        <Grid Grid.Row="2" Margin="10">
+            <!-- Empty State -->
+            <TextBlock Text="No store open. Use File > New Store or File > Open Store to begin."
+                       HorizontalAlignment="Center" VerticalAlignment="Center"
+                       FontSize="14" Foreground="Gray"
+                       IsVisible="{Binding !IsStoreOpen}" />
+
+            <!-- Secrets Grid -->
+            <DataGrid ItemsSource="{Binding Secrets}"
+                      SelectedItem="{Binding SelectedSecret}"
+                      AutoGenerateColumns="False"
+                      IsReadOnly="True"
+                      SelectionMode="Single"
+                      CanUserReorderColumns="True"
+                      CanUserResizeColumns="True"
+                      CanUserSortColumns="True"
+                      GridLinesVisibility="Horizontal"
+                      IsVisible="{Binding IsStoreOpen}"
+                      x:Name="SecretsDataGrid"
+                      DoubleTapped="DataGrid_DoubleTapped">
+                <DataGrid.Columns>
+                    <DataGridTextColumn Header="Key" Binding="{Binding Key}" Width="200" />
+                    <DataGridTextColumn Header="Value" Binding="{Binding DisplayValue}" Width="*" />
+                    <DataGridTemplateColumn Header="Actions" Width="150">
+                        <DataGridTemplateColumn.CellTemplate>
+                            <DataTemplate>
+                                <StackPanel Orientation="Horizontal" HorizontalAlignment="Center" Spacing="5">
+                                    <Button Content="{Binding IsValueVisible, Converter={StaticResource BoolToVisibilityIcon}}"
+                                            Command="{Binding ToggleVisibilityCommand}"
+                                            ToolTip.Tip="Show/Hide value"
+                                            Width="50" Height="24"
+                                            FontSize="11" />
+                                    <Button Content="Copy"
+                                            Command="{Binding CopyToClipboardCommand}"
+                                            ToolTip.Tip="Copy value to clipboard"
+                                            Width="50" Height="24"
+                                            FontSize="11" />
+                                </StackPanel>
+                            </DataTemplate>
+                        </DataGridTemplateColumn.CellTemplate>
+                    </DataGridTemplateColumn>
+                </DataGrid.Columns>
+            </DataGrid>
+        </Grid>
+
+        <!-- Status Bar -->
+        <Border Grid.Row="3" Background="#F0F0F0" BorderBrush="LightGray" BorderThickness="0,1,0,0" Padding="10,5">
+            <DockPanel>
+                <StackPanel Orientation="Horizontal" DockPanel.Dock="Right">
+                    <TextBlock Text="Secrets: " />
+                    <TextBlock Text="{Binding Secrets.Count}" />
+                </StackPanel>
+                <TextBlock Text="{Binding StatusMessage}" />
+            </DockPanel>
+        </Border>
+    </Grid>
+</Window>

Deprecated/JdeScoping.SecureStoreManager/Views/MainWindow.axaml.cs

@@ -0,0 +1,106 @@
+using Avalonia.Controls;
+using Avalonia.Input;
+using Avalonia.Interactivity;
+using JdeScoping.SecureStoreManager.ViewModels;
+
+namespace JdeScoping.SecureStoreManager.Views;
+
+public partial class MainWindow : Window
+{
+    private MainWindowViewModel? ViewModel => DataContext as MainWindowViewModel;
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="MainWindow"/> class.
+    /// </summary>
+    public MainWindow()
+    {
+        InitializeComponent();
+        Loaded += MainWindow_Loaded;
+        Closing += MainWindow_Closing;
+    }
+
+    private void MainWindow_Loaded(object? sender, RoutedEventArgs e)
+    {
+        if (ViewModel == null)
+            return;
+
+        // Subscribe to dialog request events (these open dialogs with their own DataContext)
+        ViewModel.OnRequestNewStoreDialog += ShowNewStoreDialog;
+        ViewModel.OnRequestOpenStoreDialog += ShowOpenStoreDialog;
+        ViewModel.OnRequestAddSecretDialog += ShowAddSecretDialog;
+        ViewModel.OnRequestEditSecretDialog += ShowEditSecretDialog;
+        ViewModel.OnRequestClose += () => Close();
+    }
+
+    private async void MainWindow_Closing(object? sender, WindowClosingEventArgs e)
+    {
+        if (ViewModel == null)
+            return;
+
+        e.Cancel = true;
+        if (await ViewModel.PromptForUnsavedChangesAsync())
+        {
+            e.Cancel = false;
+        }
+    }
+
+    private void DataGrid_DoubleTapped(object? sender, TappedEventArgs e)
+    {
+        if (ViewModel?.SelectedSecret != null)
+        {
+            ViewModel.EditSecretCommand.Execute(null);
+        }
+    }
+
+    private async void ShowNewStoreDialog()
+    {
+        if (ViewModel == null) return;
+
+        var dialog = new NewStoreDialog();
+        var result = await dialog.ShowDialog<bool?>(this);
+        if (result == true)
+        {
+            var vm = dialog.ViewModel;
+            await ViewModel.CreateNewStoreAsync(vm.StorePath, vm.KeyFilePath);
+        }
+    }
+
+    private async void ShowOpenStoreDialog()
+    {
+        if (ViewModel == null) return;
+
+        var dialog = new OpenStoreDialog();
+        var result = await dialog.ShowDialog<bool?>(this);
+        if (result == true)
+        {
+            var vm = dialog.ViewModel;
+            await ViewModel.OpenExistingStoreAsync(vm.StorePath, vm.KeyFilePath);
+        }
+    }
+
+    private async void ShowAddSecretDialog()
+    {
+        if (ViewModel == null) return;
+
+        var dialog = new SecretEditDialog();
+        var result = await dialog.ShowDialog<bool?>(this);
+        if (result == true)
+        {
+            var vm = dialog.ViewModel;
+            await ViewModel.SaveSecretAsync(vm.Key, vm.Value, isNew: true);
+        }
+    }
+
+    private async void ShowEditSecretDialog(string key, string value)
+    {
+        if (ViewModel == null) return;
+
+        var dialog = new SecretEditDialog(key, value);
+        var result = await dialog.ShowDialog<bool?>(this);
+        if (result == true)
+        {
+            var vm = dialog.ViewModel;
+            await ViewModel.SaveSecretAsync(vm.Key, vm.Value, isNew: false);
+        }
+    }
+}

Deprecated/JdeScoping.SecureStoreManager/Views/NewStoreDialog.axaml

@@ -0,0 +1,63 @@
+<Window xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:vm="clr-namespace:JdeScoping.SecureStoreManager.ViewModels"
+        x:Class="JdeScoping.SecureStoreManager.Views.NewStoreDialog"
+        Title="Create New Store"
+        Height="280" Width="500"
+        WindowStartupLocation="CenterOwner"
+        CanResize="False"
+        ShowInTaskbar="False">
+    <!-- DataContext is set in code-behind -->
+
+    <Grid Margin="15" RowDefinitions="Auto,Auto,*,Auto">
+        <!-- Store Path -->
+        <Border Grid.Row="0" BorderBrush="Gray" BorderThickness="1" CornerRadius="3" Padding="10" Margin="0,0,0,10">
+            <StackPanel>
+                <TextBlock Text="Store Location" FontWeight="SemiBold" Margin="0,0,0,10" />
+                <Grid ColumnDefinitions="*,Auto">
+                    <TextBox Grid.Column="0"
+                             Text="{Binding StorePath, Mode=TwoWay}"
+                             Margin="0,0,5,0" />
+                    <Button Grid.Column="1"
+                            Content="Browse..."
+                            Command="{Binding BrowseStorePathCommand}"
+                            Padding="10,5" />
+                </Grid>
+            </StackPanel>
+        </Border>
+
+        <!-- Key File Settings -->
+        <Border Grid.Row="1"
+                BorderBrush="Gray" BorderThickness="1" CornerRadius="3" Padding="10" Margin="0,0,0,10">
+            <StackPanel>
+                <TextBlock Text="Key File" FontWeight="SemiBold" Margin="0,0,0,10" />
+                <TextBlock Text="The key file is required to encrypt and decrypt the store."
+                           FontSize="11" Foreground="Gray" Margin="0,0,0,10" TextWrapping="Wrap" />
+                <Grid ColumnDefinitions="*,Auto">
+                    <TextBox Grid.Column="0"
+                             Text="{Binding KeyFilePath, Mode=TwoWay}"
+                             Margin="0,0,5,0" />
+                    <Button Grid.Column="1"
+                            Content="Browse..."
+                            Command="{Binding BrowseKeyFilePathCommand}"
+                            Padding="10,5" />
+                </Grid>
+            </StackPanel>
+        </Border>
+
+        <!-- Validation Error -->
+        <TextBlock Grid.Row="2"
+                   Text="{Binding ValidationError}"
+                   Foreground="Red"
+                   FontSize="11"
+                   Margin="0,5,0,0"
+                   IsVisible="{Binding ValidationError, Converter={StaticResource StringToBool}}"
+                   VerticalAlignment="Top" />
+
+        <!-- Buttons -->
+        <StackPanel Grid.Row="3" Orientation="Horizontal" HorizontalAlignment="Right" Spacing="10">
+            <Button Content="Create" Click="CreateButton_Click" IsEnabled="{Binding IsValid}" MinWidth="80" Padding="10,5" />
+            <Button Content="Cancel" Click="CancelButton_Click" MinWidth="80" Padding="10,5" />
+        </StackPanel>
+    </Grid>
+</Window>

Deprecated/JdeScoping.SecureStoreManager/Views/NewStoreDialog.axaml.cs

@@ -0,0 +1,70 @@
+using Avalonia.Controls;
+using Avalonia.Interactivity;
+using Avalonia.Platform.Storage;
+using JdeScoping.SecureStoreManager.Constants;
+using JdeScoping.SecureStoreManager.ViewModels;
+using MsBox.Avalonia;
+using MsBox.Avalonia.Enums;
+
+namespace JdeScoping.SecureStoreManager.Views;
+
+public partial class NewStoreDialog : Window
+{
+    /// <summary>
+    /// Gets the view model for this dialog.
+    /// </summary>
+    public NewStoreDialogViewModel ViewModel => (NewStoreDialogViewModel)DataContext!;
+
+    /// <summary>
+    /// Initializes a new instance of the NewStoreDialog.
+    /// </summary>
+    public NewStoreDialog()
+    {
+        InitializeComponent();
+        DataContext = new NewStoreDialogViewModel();
+        Loaded += NewStoreDialog_Loaded;
+    }
+
+    private void NewStoreDialog_Loaded(object? sender, RoutedEventArgs e)
+    {
+        ViewModel.OnShowSaveFileDialog += ShowSaveFileDialogAsync;
+    }
+
+    private async Task<string?> ShowSaveFileDialogAsync(string title, string fileTypeName, string pattern, string defaultExtension)
+    {
+        var file = await StorageProvider.SaveFilePickerAsync(new FilePickerSaveOptions
+        {
+            Title = title,
+            DefaultExtension = defaultExtension,
+            FileTypeChoices = new[]
+            {
+                new FilePickerFileType(fileTypeName) { Patterns = new[] { pattern } },
+                new FilePickerFileType(FileExtensions.AllFilesTypeName) { Patterns = new[] { FileExtensions.AllFilesPattern } }
+            }
+        });
+
+        return file?.Path.LocalPath;
+    }
+
+    private async void CreateButton_Click(object? sender, RoutedEventArgs e)
+    {
+        if (!ViewModel.IsValid)
+        {
+            var box = MessageBoxManager
+                .GetMessageBoxStandard(
+                    DialogStrings.ValidationErrorTitle,
+                    ViewModel.ValidationError ?? DialogStrings.DefaultValidationError,
+                    ButtonEnum.Ok,
+                    MsBox.Avalonia.Enums.Icon.Warning);
+            await box.ShowWindowDialogAsync(this);
+            return;
+        }
+
+        Close(true);
+    }
+
+    private void CancelButton_Click(object? sender, RoutedEventArgs e)
+    {
+        Close(false);
+    }
+}

Deprecated/JdeScoping.SecureStoreManager/Views/OpenStoreDialog.axaml

@@ -0,0 +1,63 @@
+<Window xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:vm="clr-namespace:JdeScoping.SecureStoreManager.ViewModels"
+        x:Class="JdeScoping.SecureStoreManager.Views.OpenStoreDialog"
+        Title="Open Store"
+        Height="280" Width="500"
+        WindowStartupLocation="CenterOwner"
+        CanResize="False"
+        ShowInTaskbar="False">
+    <!-- DataContext is set in code-behind -->
+
+    <Grid Margin="15" RowDefinitions="Auto,Auto,*,Auto">
+        <!-- Store Path -->
+        <Border Grid.Row="0" BorderBrush="Gray" BorderThickness="1" CornerRadius="3" Padding="10" Margin="0,0,0,10">
+            <StackPanel>
+                <TextBlock Text="Store File" FontWeight="SemiBold" Margin="0,0,0,10" />
+                <Grid ColumnDefinitions="*,Auto">
+                    <TextBox Grid.Column="0"
+                             Text="{Binding StorePath, Mode=TwoWay}"
+                             Margin="0,0,5,0" />
+                    <Button Grid.Column="1"
+                            Content="Browse..."
+                            Command="{Binding BrowseStorePathCommand}"
+                            Padding="10,5" />
+                </Grid>
+            </StackPanel>
+        </Border>
+
+        <!-- Key File Settings -->
+        <Border Grid.Row="1"
+                BorderBrush="Gray" BorderThickness="1" CornerRadius="3" Padding="10" Margin="0,0,0,10">
+            <StackPanel>
+                <TextBlock Text="Key File" FontWeight="SemiBold" Margin="0,0,0,10" />
+                <TextBlock Text="Select the key file used to encrypt this store."
+                           FontSize="11" Foreground="Gray" Margin="0,0,0,10" TextWrapping="Wrap" />
+                <Grid ColumnDefinitions="*,Auto">
+                    <TextBox Grid.Column="0"
+                             Text="{Binding KeyFilePath, Mode=TwoWay}"
+                             Margin="0,0,5,0" />
+                    <Button Grid.Column="1"
+                            Content="Browse..."
+                            Command="{Binding BrowseKeyFilePathCommand}"
+                            Padding="10,5" />
+                </Grid>
+            </StackPanel>
+        </Border>
+
+        <!-- Validation Error -->
+        <TextBlock Grid.Row="2"
+                   Text="{Binding ValidationError}"
+                   Foreground="Red"
+                   FontSize="11"
+                   Margin="0,5,0,0"
+                   IsVisible="{Binding ValidationError, Converter={StaticResource StringToBool}}"
+                   VerticalAlignment="Top" />
+
+        <!-- Buttons -->
+        <StackPanel Grid.Row="3" Orientation="Horizontal" HorizontalAlignment="Right" Spacing="10">
+            <Button Content="Open" Click="OpenButton_Click" IsEnabled="{Binding IsValid}" MinWidth="80" Padding="10,5" />
+            <Button Content="Cancel" Click="CancelButton_Click" MinWidth="80" Padding="10,5" />
+        </StackPanel>
+    </Grid>
+</Window>

Deprecated/JdeScoping.SecureStoreManager/Views/OpenStoreDialog.axaml.cs

@@ -0,0 +1,70 @@
+using Avalonia.Controls;
+using Avalonia.Interactivity;
+using Avalonia.Platform.Storage;
+using JdeScoping.SecureStoreManager.Constants;
+using JdeScoping.SecureStoreManager.ViewModels;
+using MsBox.Avalonia;
+using MsBox.Avalonia.Enums;
+
+namespace JdeScoping.SecureStoreManager.Views;
+
+public partial class OpenStoreDialog : Window
+{
+    /// <summary>
+    /// Gets the view model for this dialog.
+    /// </summary>
+    public OpenStoreDialogViewModel ViewModel => (OpenStoreDialogViewModel)DataContext!;
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="OpenStoreDialog"/> class.
+    /// </summary>
+    public OpenStoreDialog()
+    {
+        InitializeComponent();
+        DataContext = new OpenStoreDialogViewModel();
+        Loaded += OpenStoreDialog_Loaded;
+    }
+
+    private void OpenStoreDialog_Loaded(object? sender, RoutedEventArgs e)
+    {
+        ViewModel.OnShowOpenFileDialog += ShowOpenFileDialogAsync;
+    }
+
+    private async Task<string?> ShowOpenFileDialogAsync(string title, string fileTypeName, string pattern)
+    {
+        var files = await StorageProvider.OpenFilePickerAsync(new FilePickerOpenOptions
+        {
+            Title = title,
+            AllowMultiple = false,
+            FileTypeFilter = new[]
+            {
+                new FilePickerFileType(fileTypeName) { Patterns = new[] { pattern } },
+                new FilePickerFileType(FileExtensions.AllFilesTypeName) { Patterns = new[] { FileExtensions.AllFilesPattern } }
+            }
+        });
+
+        return files.Count > 0 ? files[0].Path.LocalPath : null;
+    }
+
+    private async void OpenButton_Click(object? sender, RoutedEventArgs e)
+    {
+        if (!ViewModel.IsValid)
+        {
+            var box = MessageBoxManager
+                .GetMessageBoxStandard(
+                    DialogStrings.ValidationErrorTitle,
+                    ViewModel.ValidationError ?? DialogStrings.DefaultValidationError,
+                    ButtonEnum.Ok,
+                    MsBox.Avalonia.Enums.Icon.Warning);
+            await box.ShowWindowDialogAsync(this);
+            return;
+        }
+
+        Close(true);
+    }
+
+    private void CancelButton_Click(object? sender, RoutedEventArgs e)
+    {
+        Close(false);
+    }
+}

Deprecated/JdeScoping.SecureStoreManager/Views/SecretEditDialog.axaml

@@ -0,0 +1,48 @@
+<Window xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:vm="clr-namespace:JdeScoping.SecureStoreManager.ViewModels"
+        x:Class="JdeScoping.SecureStoreManager.Views.SecretEditDialog"
+        Title="{Binding DialogTitle}"
+        Height="280" Width="450"
+        WindowStartupLocation="CenterOwner"
+        CanResize="False"
+        ShowInTaskbar="False">
+    <!-- DataContext is set in code-behind -->
+
+    <Grid Margin="15" RowDefinitions="Auto,Auto,*,Auto">
+        <!-- Key -->
+        <Grid Grid.Row="0" ColumnDefinitions="80,*" Margin="0,0,0,10">
+            <TextBlock Grid.Column="0" Text="Key:" VerticalAlignment="Center" Margin="0,5,10,5" />
+            <TextBox Grid.Column="1"
+                     Text="{Binding Key, Mode=TwoWay}"
+                     IsEnabled="{Binding IsKeyEditable}"
+                     Margin="0,5" />
+        </Grid>
+
+        <!-- Value -->
+        <Grid Grid.Row="1" ColumnDefinitions="80,*" Margin="0,0,0,10">
+            <TextBlock Grid.Column="0" Text="Value:" VerticalAlignment="Top" Margin="0,8,10,5" />
+            <TextBox Grid.Column="1"
+                     Text="{Binding Value, Mode=TwoWay}"
+                     TextWrapping="Wrap"
+                     AcceptsReturn="True"
+                     Height="80"
+                     Margin="0,5" />
+        </Grid>
+
+        <!-- Validation Error -->
+        <TextBlock Grid.Row="2"
+                   Text="{Binding ValidationError}"
+                   Foreground="Red"
+                   FontSize="11"
+                   Margin="0,5,0,0"
+                   IsVisible="{Binding ValidationError, Converter={StaticResource StringToBool}}"
+                   VerticalAlignment="Top" />
+
+        <!-- Buttons -->
+        <StackPanel Grid.Row="3" Orientation="Horizontal" HorizontalAlignment="Right" Spacing="10">
+            <Button Content="Save" Click="SaveButton_Click" IsEnabled="{Binding IsValid}" MinWidth="80" Padding="10,5" />
+            <Button Content="Cancel" Click="CancelButton_Click" MinWidth="80" Padding="10,5" />
+        </StackPanel>
+    </Grid>
+</Window>

Deprecated/JdeScoping.SecureStoreManager/Views/SecretEditDialog.axaml.cs

@@ -0,0 +1,57 @@
+using Avalonia.Controls;
+using Avalonia.Interactivity;
+using JdeScoping.SecureStoreManager.ViewModels;
+using MsBox.Avalonia;
+using MsBox.Avalonia.Enums;
+
+namespace JdeScoping.SecureStoreManager.Views;
+
+public partial class SecretEditDialog : Window
+{
+    /// <summary>
+    /// Gets the view model for this dialog.
+    /// </summary>
+    public SecretEditDialogViewModel ViewModel => (SecretEditDialogViewModel)DataContext!;
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="SecretEditDialog"/> class for creating a new secret.
+    /// </summary>
+    public SecretEditDialog()
+    {
+        InitializeComponent();
+        DataContext = new SecretEditDialogViewModel();
+    }
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="SecretEditDialog"/> class for editing an existing secret.
+    /// </summary>
+    /// <param name="key">The secret key.</param>
+    /// <param name="value">The secret value.</param>
+    public SecretEditDialog(string key, string value)
+    {
+        InitializeComponent();
+        DataContext = new SecretEditDialogViewModel(key, value);
+    }
+
+    private async void SaveButton_Click(object? sender, RoutedEventArgs e)
+    {
+        if (!ViewModel.IsValid)
+        {
+            var box = MessageBoxManager
+                .GetMessageBoxStandard(
+                    "Validation Error",
+                    ViewModel.ValidationError ?? "Please fill in all required fields.",
+                    ButtonEnum.Ok,
+                    MsBox.Avalonia.Enums.Icon.Warning);
+            await box.ShowWindowDialogAsync(this);
+            return;
+        }
+
+        Close(true);
+    }
+
+    private void CancelButton_Click(object? sender, RoutedEventArgs e)
+    {
+        Close(false);
+    }
+}