Fix issue when generating more images

Signed-off-by: Shawn Yuan (from Dev Box) <shuaiyuan@microsoft.com>

src/modules/AdvancedPaste/AdvancedPaste/AdvancedPasteXAML/Controls/PromptBox.xaml

@@ -430,12 +430,19 @@
                                         Grid.Row="1"
                                         MinHeight="104"
                                         MaxHeight="320">
-                                        <TextBlock
-                                            Foreground="{ThemeResource TextFillColorSecondaryBrush}"
-                                            IsTextSelectionEnabled="True"
-                                            Style="{StaticResource CaptionTextBlockStyle}"
-                                            Text="{x:Bind ViewModel.CustomFormatResult, Mode=OneWay}"
-                                            TextWrapping="Wrap" />
+                                        <StackPanel>
+                                            <TextBlock
+                                                Foreground="{ThemeResource TextFillColorSecondaryBrush}"
+                                                IsTextSelectionEnabled="True"
+                                                Style="{StaticResource CaptionTextBlockStyle}"
+                                                Text="{x:Bind ViewModel.CustomFormatResult, Mode=OneWay}"
+                                                TextWrapping="Wrap"
+                                                Visibility="{x:Bind ViewModel.HasCustomFormatText, Mode=OneWay, Converter={StaticResource BoolToVisibilityConverter}}" />
+                                            <Image
+                                                Source="{x:Bind ViewModel.CustomFormatImageResult, Mode=OneWay}"
+                                                Stretch="Uniform"
+                                                Visibility="{x:Bind ViewModel.HasCustomFormatImage, Mode=OneWay, Converter={StaticResource BoolToVisibilityConverter}}" />
+                                        </StackPanel>
                                     </ScrollViewer>
                                 </Grid>
                                 <Rectangle

src/modules/AdvancedPaste/AdvancedPaste/Helpers/DataPackageHelpers.cs

@@ -46,6 +46,13 @@ internal static class DataPackageHelpers
         return dataPackage;
     }
 
+    internal static DataPackage CreateFromImage(RandomAccessStreamReference imageStreamRef)
+    {
+        DataPackage dataPackage = new();
+        dataPackage.SetBitmap(imageStreamRef);
+        return dataPackage;
+    }
+
     internal static async Task<DataPackage> CreateFromFileAsync(string fileName)
     {
         var storageFile = await StorageFile.GetFileFromPathAsync(fileName);

src/modules/AdvancedPaste/AdvancedPaste/Models/GeneratedResponse.cs

@@ -0,0 +1,14 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using Windows.ApplicationModel.DataTransfer;
+
+namespace AdvancedPaste.Models;
+
+public class GeneratedResponse
+{
+    public ClipboardItem Preview { get; set; }
+
+    public DataPackage Data { get; set; }
+}

src/modules/AdvancedPaste/AdvancedPaste/Models/PasteFormats.cs

@@ -122,4 +122,15 @@ public enum PasteFormats
         KernelFunctionDescription = "Takes input instructions and transforms clipboard text (not TXT files) with these input instructions, putting the result back on the clipboard. This uses AI to accomplish the task.",
         RequiresPrompt = true)]
     CustomTextTransformation,
+
+    [PasteFormatMetadata(
+        IsCoreAction = false,
+        ResourceId = "TextToImage",
+        IconGlyph = "\uE91B",
+        RequiresAIService = true,
+        CanPreview = false,
+        SupportedClipboardFormats = ClipboardFormat.Text,
+        KernelFunctionDescription = "Generates an image based on the text description in the clipboard.",
+        RequiresPrompt = true)]
+    TextToImage,
 }

src/modules/AdvancedPaste/AdvancedPaste/Services/AdvancedAIKernelService.cs

@@ -12,6 +12,7 @@ using Microsoft.PowerToys.Settings.UI.Library;
 using Microsoft.SemanticKernel;
 using Microsoft.SemanticKernel.ChatCompletion;
 using Microsoft.SemanticKernel.Connectors.OpenAI;
+using Microsoft.SemanticKernel.TextToImage;
 
 namespace AdvancedPaste.Services;
 
@@ -45,24 +46,23 @@ public sealed class AdvancedAIKernelService : KernelServiceBase
 
     protected override PromptExecutionSettings PromptExecutionSettings => CreatePromptExecutionSettings();
 
-    protected override void AddChatCompletionService(IKernelBuilder kernelBuilder)
+    protected override void AddAIServices(IKernelBuilder kernelBuilder)
     {
         ArgumentNullException.ThrowIfNull(kernelBuilder);
 
+        // 1. Register the primary Chat Completion Service
+        RegisterChatService(kernelBuilder);
+
+        // 2. Register auxiliary services (e.g., TextToImage) by searching through all configured providers
+        RegisterAuxiliaryServices(kernelBuilder);
+    }
+
+    private void RegisterChatService(IKernelBuilder kernelBuilder)
+    {
         var runtimeConfig = GetRuntimeConfiguration();
         var serviceType = runtimeConfig.ServiceType;
         var modelName = runtimeConfig.ModelName;
-        var requiresApiKey = RequiresApiKey(serviceType);
-        var apiKey = string.Empty;
-        if (requiresApiKey)
-        {
-            this.credentialsProvider.Refresh();
-            apiKey = (this.credentialsProvider.GetKey() ?? string.Empty).Trim();
-            if (string.IsNullOrWhiteSpace(apiKey))
-            {
-                throw new InvalidOperationException($"An API key is required for {serviceType} but none was found in the credential vault.");
-            }
-        }
+        var apiKey = GetApiKey(serviceType);
 
         var endpoint = string.IsNullOrWhiteSpace(runtimeConfig.Endpoint) ? null : runtimeConfig.Endpoint.Trim();
         var deployment = string.IsNullOrWhiteSpace(runtimeConfig.DeploymentName) ? modelName : runtimeConfig.DeploymentName;
@@ -80,6 +80,76 @@ public sealed class AdvancedAIKernelService : KernelServiceBase
         }
     }
 
+    private void RegisterAuxiliaryServices(IKernelBuilder kernelBuilder)
+    {
+        // Try to find a dedicated Image Generation provider
+        if (TryRegisterImageService(kernelBuilder))
+        {
+            return;
+        }
+    }
+
+    private bool TryRegisterImageService(IKernelBuilder kernelBuilder)
+    {
+        var allProviders = this.UserSettings.PasteAIConfiguration?.Providers;
+        if (allProviders == null)
+        {
+            return false;
+        }
+
+        var imageProvider = allProviders.FirstOrDefault(p =>
+            p.Capabilities.HasFlag(AIServiceCapability.TextToImage));
+
+        if (imageProvider == null)
+        {
+            return false;
+        }
+
+        var serviceType = NormalizeServiceType(imageProvider.ServiceTypeKind);
+        var apiKey = this.credentialsProvider.GetKey(imageProvider.Id, serviceType);
+
+        if (string.IsNullOrWhiteSpace(apiKey))
+        {
+            return false;
+        }
+
+        var endpoint = string.IsNullOrWhiteSpace(imageProvider.EndpointUrl) ? null : imageProvider.EndpointUrl.Trim();
+        var deployment = string.IsNullOrWhiteSpace(imageProvider.DeploymentName) ? imageProvider.ModelName : imageProvider.DeploymentName;
+
+        switch (serviceType)
+        {
+            case AIServiceType.OpenAI:
+#pragma warning disable SKEXP0010
+                kernelBuilder.AddOpenAITextToImage(apiKey, modelId: imageProvider.ModelName);
+#pragma warning restore SKEXP0010
+                return true;
+            case AIServiceType.AzureOpenAI:
+#pragma warning disable SKEXP0010
+                kernelBuilder.AddAzureOpenAITextToImage(deployment, RequireEndpoint(endpoint, serviceType), apiKey);
+#pragma warning restore SKEXP0010
+                return true;
+            default:
+                return false;
+        }
+    }
+
+    private string GetApiKey(AIServiceType serviceType)
+    {
+        if (!RequiresApiKey(serviceType))
+        {
+            return string.Empty;
+        }
+
+        this.credentialsProvider.Refresh();
+        var apiKey = (this.credentialsProvider.GetKey() ?? string.Empty).Trim();
+        if (string.IsNullOrWhiteSpace(apiKey))
+        {
+            throw new InvalidOperationException($"An API key is required for {serviceType} but none was found in the credential vault.");
+        }
+
+        return apiKey;
+    }
+
     protected override AIServiceUsage GetAIServiceUsage(ChatMessageContent chatMessage)
     {
         return AIServiceUsageHelper.GetOpenAIServiceUsage(chatMessage);

src/modules/AdvancedPaste/AdvancedPaste/Services/EnhancedVaultCredentialsProvider.cs

@@ -50,6 +50,12 @@ public sealed class EnhancedVaultCredentialsProvider : IAICredentialsProvider
         }
     }
 
+    public string GetKey(string providerId, AIServiceType serviceType)
+    {
+        var entry = BuildCredentialEntry(NormalizeServiceType(serviceType), providerId);
+        return LoadKey(entry);
+    }
+
     public bool IsConfigured()
     {
         return !string.IsNullOrEmpty(GetKey());

src/modules/AdvancedPaste/AdvancedPaste/Services/IAICredentialsProvider.cs

@@ -2,6 +2,8 @@
 // The Microsoft Corporation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 
+using Microsoft.PowerToys.Settings.UI.Library;
+
 namespace AdvancedPaste.Services;
 
 /// <summary>
@@ -21,6 +23,14 @@ public interface IAICredentialsProvider
     /// <returns>Credential string or <see cref="string.Empty"/> when missing.</returns>
     string GetKey();
 
+    /// <summary>
+    /// Retrieves the credential for a specific AI provider.
+    /// </summary>
+    /// <param name="providerId">The unique identifier of the provider.</param>
+    /// <param name="serviceType">The type of the service.</param>
+    /// <returns>Credential string or <see cref="string.Empty"/> when missing.</returns>
+    string GetKey(string providerId, AIServiceType serviceType);
+
     /// <summary>
     /// Refreshes the cached credential for the active AI provider.
     /// </summary>

src/modules/AdvancedPaste/AdvancedPaste/Services/KernelServiceBase.cs

@@ -5,6 +5,8 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Net.Http;
+using System.Runtime.InteropServices.WindowsRuntime;
 using System.Threading;
 using System.Threading.Tasks;
 using AdvancedPaste.Helpers;
@@ -18,7 +20,10 @@ using Microsoft.PowerToys.Settings.UI.Library;
 using Microsoft.PowerToys.Telemetry;
 using Microsoft.SemanticKernel;
 using Microsoft.SemanticKernel.ChatCompletion;
+using Microsoft.SemanticKernel.Connectors.OpenAI;
+using Microsoft.SemanticKernel.TextToImage;
 using Windows.ApplicationModel.DataTransfer;
+using Windows.Storage.Streams;
 
 namespace AdvancedPaste.Services;
 
@@ -40,7 +45,7 @@ public abstract class KernelServiceBase(
 
     protected abstract PromptExecutionSettings PromptExecutionSettings { get; }
 
-    protected abstract void AddChatCompletionService(IKernelBuilder kernelBuilder);
+    protected abstract void AddAIServices(IKernelBuilder kernelBuilder);
 
     protected abstract AIServiceUsage GetAIServiceUsage(ChatMessageContent chatMessage);
 
@@ -211,12 +216,19 @@ public abstract class KernelServiceBase(
     private Kernel CreateKernel()
     {
         var kernelBuilder = Kernel.CreateBuilder();
-        AddChatCompletionService(kernelBuilder);
-        kernelBuilder.Plugins.AddFromFunctions("Actions", GetKernelFunctions());
+        AddAIServices(kernelBuilder);
+
+        // Build a temporary kernel to check registered services
+        // Note: This is a lightweight check. In a more complex DI scenario, we might need a different approach.
+        // However, since we are building the kernel right here, we can inspect the builder's services.
+#pragma warning disable SKEXP0001
+        var hasTextToImageService = kernelBuilder.Services.Any(s => s.ServiceType == typeof(ITextToImageService));
+#pragma warning restore SKEXP0001
+        kernelBuilder.Plugins.AddFromFunctions("Actions", GetKernelFunctions(hasTextToImageService));
         return kernelBuilder.Build();
     }
 
-    private IEnumerable<KernelFunction> GetKernelFunctions()
+    private IEnumerable<KernelFunction> GetKernelFunctions(bool hasTextToImageService)
     {
         // Get standard format functions
         var standardFunctions =
@@ -224,15 +236,9 @@ public abstract class KernelServiceBase(
             let metadata = PasteFormat.MetadataDict[format]
             let coreDescription = metadata.KernelFunctionDescription
             where !string.IsNullOrEmpty(coreDescription)
-            let requiresPrompt = metadata.RequiresPrompt
-            orderby requiresPrompt descending
-            select KernelFunctionFactory.CreateFromMethod(
-                method: requiresPrompt ? async (Kernel kernel, string prompt) => await ExecutePromptTransformAsync(kernel, format, prompt)
-                                       : async (Kernel kernel) => await ExecuteStandardTransformAsync(kernel, format),
-                functionName: format.ToString(),
-                description: requiresPrompt ? coreDescription : $"{coreDescription} Puts the result back on the clipboard.",
-                parameters: requiresPrompt ? [new(PromptParameterName) { Description = "Input instructions to AI", ParameterType = typeof(string) }] : null,
-                returnParameter: new() { Description = "Array of available clipboard formats after operation" });
+            where format != PasteFormats.TextToImage || hasTextToImageService // Filter out TextToImage if the service is not available
+            orderby metadata.RequiresPrompt descending
+            select CreateKernelFunctionForFormat(format, metadata, coreDescription);
 
         HashSet<string> usedFunctionNames = new(Enum.GetNames<PasteFormats>(), StringComparer.OrdinalIgnoreCase);
 
@@ -257,6 +263,32 @@ public abstract class KernelServiceBase(
         return standardFunctions.Concat(customActionFunctions);
     }
 
+    private KernelFunction CreateKernelFunctionForFormat(PasteFormats format, PasteFormatMetadataAttribute metadata, string description)
+    {
+        if (format == PasteFormats.TextToImage)
+        {
+            return KernelFunctionFactory.CreateFromMethod(
+                method: async (Kernel kernel, string prompt = null) =>
+                {
+                    await ExecuteTextToImageAsync(kernel, prompt ?? string.Empty);
+                    return "Image generated successfully using the clipboard text as the description.";
+                },
+                functionName: format.ToString(),
+                description: "Generates an image based on text. If the 'prompt' parameter is not provided, the text currently in the clipboard is used as the image description.",
+                parameters: [new(PromptParameterName) { Description = "Optional. Additional instructions for the image. If left empty, the clipboard text is used.", ParameterType = typeof(string), IsRequired = false }],
+                returnParameter: new() { Description = "Status message indicating success." });
+        }
+
+        bool requiresPrompt = metadata.RequiresPrompt;
+        return KernelFunctionFactory.CreateFromMethod(
+            method: requiresPrompt ? async (Kernel kernel, string prompt) => await ExecutePromptTransformAsync(kernel, format, prompt)
+                                   : async (Kernel kernel) => await ExecuteStandardTransformAsync(kernel, format),
+            functionName: format.ToString(),
+            description: requiresPrompt ? description : $"{description} Puts the result back on the clipboard.",
+            parameters: requiresPrompt ? [new(PromptParameterName) { Description = "Input instructions to AI", ParameterType = typeof(string) }] : null,
+            returnParameter: new() { Description = "Array of available clipboard formats after operation" });
+    }
+
     private static string GetUniqueFunctionName(string baseName, HashSet<string> usedFunctionNames, int customActionId)
     {
         ArgumentNullException.ThrowIfNull(usedFunctionNames);
@@ -318,6 +350,57 @@ public abstract class KernelServiceBase(
                 return DataPackageHelpers.CreateFromText(output);
             });
 
+    private Task<string> ExecuteTextToImageAsync(Kernel kernel, string prompt) =>
+        ExecuteTransformAsync(
+            kernel,
+            new ActionChainItem(PasteFormats.TextToImage, Arguments: new() { { PromptParameterName, prompt } }),
+            async dataPackageView =>
+            {
+                Logger.LogDebug($"ExecuteTextToImageAsync started. Prompt: '{prompt}'");
+                var input = await dataPackageView.GetClipboardTextOrThrowAsync(kernel.GetCancellationToken());
+                var imageDescription = string.IsNullOrWhiteSpace(prompt) ? input : $"{input}. {prompt}";
+                Logger.LogDebug($"Image description: '{imageDescription}'");
+
+#pragma warning disable SKEXP0001
+                var imageService = kernel.GetRequiredService<ITextToImageService>();
+                var settings = new OpenAITextToImageExecutionSettings
+                {
+                    Size = (1024, 1024),
+                    ResponseFormat = "b64_json",
+                };
+
+                var generatedImages = await imageService.GetImageContentsAsync(new TextContent(imageDescription), settings, cancellationToken: kernel.GetCancellationToken());
+                Logger.LogDebug($"Image generation completed. Count: {generatedImages.Count}");
+
+                if (generatedImages.Count == 0)
+                {
+                    throw new InvalidOperationException("No image generated.");
+                }
+
+                var imageContent = generatedImages[0];
+
+                var stream = new InMemoryRandomAccessStream();
+                if (imageContent.Data.HasValue)
+                {
+                    await stream.WriteAsync(imageContent.Data.Value.ToArray().AsBuffer());
+                }
+                else if (imageContent.Uri != null)
+                {
+                    using var client = new HttpClient();
+                    var imageBytes = await client.GetByteArrayAsync(imageContent.Uri, kernel.GetCancellationToken());
+                    await stream.WriteAsync(imageBytes.AsBuffer());
+                }
+                else
+                {
+                    throw new InvalidOperationException("Generated image contains no data.");
+                }
+#pragma warning restore SKEXP0001
+
+                stream.Seek(0);
+
+                return DataPackageHelpers.CreateFromImage(RandomAccessStreamReference.CreateFromStream(stream));
+            });
+
     private async Task<string> GetPromptBasedOutput(PasteFormats format, string prompt, string input, CancellationToken cancellationToken, IProgress<double> progress) =>
         format switch
         {
@@ -333,6 +416,7 @@ public abstract class KernelServiceBase(
 
     private static async Task<string> ExecuteTransformAsync(Kernel kernel, ActionChainItem actionChainItem, Func<DataPackageView, Task<DataPackage>> transformFunc)
     {
+        Logger.LogDebug($"ExecuteTransformAsync started for {actionChainItem.Format}");
         kernel.GetOrAddActionChain().Add(actionChainItem);
         kernel.SetLastError(null);
 
@@ -341,10 +425,13 @@ public abstract class KernelServiceBase(
             var input = kernel.GetDataPackageView();
             var output = await transformFunc(input);
             kernel.SetDataPackage(output);
-            return await kernel.GetDataFormatsAsync();
+            var formats = await kernel.GetDataFormatsAsync();
+            Logger.LogDebug($"ExecuteTransformAsync finished. New formats: {formats}");
+            return formats;
         }
         catch (Exception ex)
         {
+            Logger.LogError($"ExecuteTransformAsync failed for {actionChainItem.Format}", ex);
             kernel.SetLastError(ex);
             throw;
         }
@@ -370,7 +457,7 @@ public abstract class KernelServiceBase(
             kernelContent switch
             {
                 FunctionCallContent functionCallContent => $"{functionCallContent.FunctionName}({FormatKernelArguments(functionCallContent.Arguments)})",
-                FunctionResultContent functionResultContent => functionResultContent.FunctionName,
+                FunctionResultContent functionResultContent => $"{functionResultContent.Result} / {functionResultContent.FunctionName}",
                 _ => kernelContent.ToString(),
             };
 #pragma warning restore SKEXP0001 // Type is for evaluation purposes only and is subject to change or removal in future updates. Suppress this diagnostic to proceed.

src/modules/AdvancedPaste/AdvancedPaste/ViewModels/OptionsViewModel.cs

@@ -553,7 +553,7 @@ namespace AdvancedPaste.ViewModels
         }
 
         // List to store generated responses
-        public ObservableCollection<string> GeneratedResponses { get; set; } = [];
+        public ObservableCollection<GeneratedResponse> GeneratedResponses { get; set; } = [];
 
         // Index to keep track of the current response
         private int _currentResponseIndex;
@@ -566,8 +566,12 @@ namespace AdvancedPaste.ViewModels
                 if (value >= 0 && value < GeneratedResponses.Count)
                 {
                     SetProperty(ref _currentResponseIndex, value);
-                    CustomFormatResult = GeneratedResponses[_currentResponseIndex];
+                    var response = GeneratedResponses[_currentResponseIndex];
+                    CustomFormatResult = response.Preview.Content;
+                    CustomFormatImageResult = response.Preview.Image;
                     OnPropertyChanged(nameof(CurrentIndexDisplay));
+                    OnPropertyChanged(nameof(HasCustomFormatText));
+                    OnPropertyChanged(nameof(HasCustomFormatImage));
                 }
             }
         }
@@ -607,14 +611,21 @@ namespace AdvancedPaste.ViewModels
         [ObservableProperty]
         private string _customFormatResult;
 
+        [ObservableProperty]
+        private ImageSource _customFormatImageResult;
+
+        public bool HasCustomFormatText => !string.IsNullOrEmpty(CustomFormatResult);
+
+        public bool HasCustomFormatImage => CustomFormatImageResult != null;
+
         [RelayCommand]
         public async Task PasteCustomAsync()
         {
-            var text = GeneratedResponses.ElementAtOrDefault(CurrentResponseIndex);
+            var response = GeneratedResponses.ElementAtOrDefault(CurrentResponseIndex);
 
-            if (!string.IsNullOrEmpty(text))
+            if (response?.Data != null)
             {
-                await CopyPasteAndHideAsync(DataPackageHelpers.CreateFromText(text));
+                await CopyPasteAndHideAsync(response.Data);
             }
         }
 
@@ -695,11 +706,24 @@ namespace AdvancedPaste.ViewModels
                 await delayTask;
 
                 var outputText = await dataPackage.GetView().GetTextOrEmptyAsync();
-                bool shouldPreview = pasteFormat.Metadata.CanPreview && _userSettings.ShowCustomPreview && !string.IsNullOrEmpty(outputText) && source != PasteActionSource.GlobalKeyboardShortcut;
+                var formats = dataPackage.GetView().AvailableFormats;
+                var clipboardFormat = ClipboardFormat.None;
+                if (!string.IsNullOrEmpty(outputText))
+                {
+                    clipboardFormat |= ClipboardFormat.Text;
+                }
+
+                if (formats.Contains(StandardDataFormats.Bitmap))
+                {
+                    clipboardFormat |= ClipboardFormat.Image;
+                }
+
+                bool shouldPreview = pasteFormat.Metadata.CanPreview && _userSettings.ShowCustomPreview && clipboardFormat != ClipboardFormat.None && source != PasteActionSource.GlobalKeyboardShortcut;
 
                 if (shouldPreview)
                 {
-                    GeneratedResponses.Add(outputText);
+                    var previewItem = await ClipboardItemHelper.CreateFromCurrentClipboardAsync(dataPackage.GetView(), clipboardFormat);
+                    GeneratedResponses.Add(new GeneratedResponse { Preview = previewItem, Data = dataPackage });
                     CurrentResponseIndex = GeneratedResponses.Count - 1;
                     PreviewRequested?.Invoke(this, EventArgs.Empty);
                 }

src/settings-ui/Settings.UI.Library/PasteAIProviderDefinition.cs

@@ -10,6 +10,14 @@ using System.Text.Json.Serialization;
 
 namespace Microsoft.PowerToys.Settings.UI.Library
 {
+    [Flags]
+    public enum AIServiceCapability
+    {
+        None = 0,
+        ChatCompletion = 1,
+        TextToImage = 2,
+    }
+
     /// <summary>
     /// Represents a single Paste AI provider configuration entry.
     /// </summary>
@@ -17,6 +25,7 @@ namespace Microsoft.PowerToys.Settings.UI.Library
     {
         private string _id = Guid.NewGuid().ToString("N");
         private string _serviceType = "OpenAI";
+        private AIServiceCapability _capabilities = AIServiceCapability.ChatCompletion;
         private string _modelName = string.Empty;
         private string _endpointUrl = string.Empty;
         private string _apiVersion = string.Empty;
@@ -50,6 +59,13 @@ namespace Microsoft.PowerToys.Settings.UI.Library
             }
         }
 
+        [JsonPropertyName("capabilities")]
+        public AIServiceCapability Capabilities
+        {
+            get => _capabilities;
+            set => SetProperty(ref _capabilities, value);
+        }
+
         [JsonIgnore]
         public AIServiceType ServiceTypeKind
         {

src/settings-ui/Settings.UI/SettingsXAML/Views/AdvancedPastePage.xaml

@@ -493,6 +493,16 @@
                         Margin="0,8,0,48"
                         Orientation="Vertical"
                         Spacing="16">
+                        <ComboBox
+                            x:Name="PasteAICapabilityComboBox"
+                            x:Uid="AdvancedPaste_Capability"
+                            Header="Capability"
+                            MinWidth="200"
+                            HorizontalAlignment="Stretch"
+                            SelectionChanged="PasteAICapabilityComboBox_SelectionChanged">
+                            <ComboBoxItem Content="Chat Completion" Tag="ChatCompletion" />
+                            <ComboBoxItem Content="Text to Image" Tag="TextToImage" />
+                        </ComboBox>
                         <TextBox
                             x:Name="PasteAIModelNameTextBox"
                             x:Uid="AdvancedPaste_ModelName"

src/settings-ui/Settings.UI/SettingsXAML/Views/AdvancedPastePage.xaml.cs

@@ -1138,9 +1138,33 @@ namespace Microsoft.PowerToys.Settings.UI.Views
             await UpdateFoundryLocalUIAsync();
             RefreshDialogBindings();
             PasteAIApiKeyPasswordBox.Password = ViewModel.GetPasteAIApiKey(provider.Id, provider.ServiceType);
+
+            // Set Capability ComboBox
+            PasteAICapabilityComboBox.SelectedItem = PasteAICapabilityComboBox.Items
+                .OfType<ComboBoxItem>()
+                .FirstOrDefault(item => item.Tag is string tag &&
+                                      Enum.TryParse<AIServiceCapability>(tag, out var capability) &&
+                                      capability == provider.Capabilities);
+
             await PasteAIProviderConfigurationDialog.ShowAsync();
         }
 
+        private void PasteAICapabilityComboBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
+        {
+            if (ViewModel?.PasteAIProviderDraft == null)
+            {
+                return;
+            }
+
+            if (PasteAICapabilityComboBox.SelectedItem is ComboBoxItem item && item.Tag is string tag)
+            {
+                if (Enum.TryParse<AIServiceCapability>(tag, out var capability))
+                {
+                    ViewModel.PasteAIProviderDraft.Capabilities = capability;
+                }
+            }
+        }
+
         private void RemovePasteAIProviderButton_Click(object sender, RoutedEventArgs e)
         {
             // sender is MenuFlyoutItem with PasteAIProviderDefinition Tag