Re-enable LoRA Samples

AIDevGallery/Samples/Definitions/WcrApis/WcrApiCodeSnippet.cs

@@ -38,6 +38,32 @@ internal static class WcrApiCodeSnippet
             }
             """"
         },
+        {
+            ModelType.PhiSilicaLora, """"
+            using Microsoft.Windows.AI;
+            using Microsoft.Windows.AI.Text;
+            using Microsoft.Windows.AI.Text.Experimental;
+            var readyState = LanguageModel.GetReadyState();
+            if (readyState is AIFeatureReadyState.Ready or AIFeatureReadyState.NotReady)
+            {
+                if (readyState == AIFeatureReadyState.NotReady)
+                {
+                    var op = await LanguageModel.EnsureReadyAsync();
+                }
+                using LanguageModel languageModel = await LanguageModel.CreateAsync();
+                using LanguageModelExperimental loraModel = new LanguageModelExperimental(languageModel);
+                string adapterFilePath = "path_to_your_adapter_file";
+                LowRankAdaptation loraAdapter = loraModel.LoadAdapter(adapterFilePath);
+                var options = new LanguageModelOptionsExperimental
+                {
+                    LoraAdapter = loraAdapter
+                };
+                string prompt = "Provide the molecular formula for glucose.";
+                var result = await loraModel.GenerateResponseAsync(prompt, options);
+                Console.WriteLine(result.Text);
+            }
+            """"
+        },
         {
             ModelType.TextSummarizer, """"
             using Microsoft.Windows.AI;

AIDevGallery/Samples/Definitions/WcrApis/WcrApiHelpers.cs

@@ -17,6 +17,7 @@ internal static class WcrApiHelpers
     private static readonly HashSet<ModelType> LanguageModelBacked = new()
     {
         ModelType.PhiSilica,
+        ModelType.PhiSilicaLora,
         ModelType.TextSummarizer,
         ModelType.TextRewriter,
         ModelType.TextToTableConverter
@@ -26,6 +27,9 @@ internal static class WcrApiHelpers
         {
             ModelType.PhiSilica, LanguageModel.GetReadyState
         },
+        {
+            ModelType.PhiSilicaLora, LanguageModel.GetReadyState
+        },
         {
             ModelType.TextSummarizer, LanguageModel.GetReadyState
         },
@@ -57,6 +61,9 @@ internal static class WcrApiHelpers
         {
             ModelType.PhiSilica, LanguageModel.EnsureReadyAsync
         },
+        {
+            ModelType.PhiSilicaLora, LanguageModel.EnsureReadyAsync
+        },
         {
             ModelType.TextSummarizer, LanguageModel.EnsureReadyAsync
         },

AIDevGallery/Samples/Definitions/WcrApis/apis.json

@@ -15,6 +15,17 @@
         "SampleIdToShowInDocs": "21f2c4a5-3d8e-4b7a-9c0f-6d2e5f3b1c8d",
         "Category": "Phi Silica"
       },
+      "PhiSilicaLora": {
+        "Id": "6b319cbc-59e5-4ed0-af33-e7575bee7475",
+        "Name": "Phi Silica LoRA",
+        "Icon": "WCRAPI.svg",
+        "IconGlyph": "\uEA54",
+        "Description": "Generate text using adapter.",
+        "ReadmeUrl": "https://github.com/MicrosoftDocs/windows-ai-docs/blob/docs/docs/apis/phi-silica-lora.md",
+        "License": "ms-pl",
+        "SampleIdToShowInDocs": "3e392b7f-02a8-45e0-bed1-f75186368f12",
+        "Category": "Phi Silica"
+      },
       "TextSummarizer": {
         "Id": "55eb4d48-3908-44ac-95b1-fa47318a5cbf",
         "Name": "Text Summarizer",

AIDevGallery/Samples/WCRAPIs/PhiSilicaLoRa.xaml.cs

@@ -2,13 +2,15 @@
 // Licensed under the MIT License.
 
 using AIDevGallery.Models;
+using AIDevGallery.Samples.Attributes;
 using AIDevGallery.Samples.SharedCode;
 using AIDevGallery.Utils;
 using Microsoft.UI.Xaml;
 using Microsoft.UI.Xaml.Controls;
 using Microsoft.UI.Xaml.Input;
 using Microsoft.Windows.AI;
 using Microsoft.Windows.AI.Text;
+using Microsoft.Windows.AI.Text.Experimental;
 using System;
 using System.IO;
 using System.Threading;
@@ -21,6 +23,15 @@
 */
 
 namespace AIDevGallery.Samples.WCRAPIs;
+[GallerySample(
+    Name = "Generate with Phi Silica with Adapter",
+    Model1Types = [ModelType.PhiSilicaLora],
+    Id = "3e392b7f-02a8-45e0-bed1-f75186368f12",
+    Scenario = ScenarioType.TextLoRAAdapters,
+    NugetPackageReferences = [
+        "Microsoft.Extensions.AI"
+    ],
+    Icon = "\uEE6F")]
 
 internal sealed partial class PhiSilicaLoRa : BaseSamplePage
 {
@@ -34,6 +45,7 @@ internal enum GenerationType
     private const int MaxLength = 1000;
     private bool _isProgressVisible;
     private LanguageModel? _languageModel;
+    private LanguageModelExperimental? _loraModel;
 
     private CancellationTokenSource? _cts;
     private IAsyncOperationWithProgress<LanguageModelResponseResult, string>? operation;
@@ -86,6 +98,7 @@ protected override async Task LoadModelAsync(SampleNavigationParameters samplePa
             }
 
             _languageModel = await LanguageModel.CreateAsync();
+            _loraModel = new LanguageModelExperimental(_languageModel);
         }
         else
         {
@@ -145,9 +158,9 @@ public bool IsProgressVisible
         }
     }
 
-    public async Task GenerateText(string prompt, string systemPrompt, TextBlock textBlock, LanguageModelOptions? options = null)
+    public async Task GenerateText(string prompt, string systemPrompt, TextBlock textBlock, LanguageModelOptionsExperimental? options = null)
     {
-        if (_languageModel == null)
+        if (_languageModel == null || _loraModel == null)
         {
             ShowException(null, "Phi-Silica is not available.");
             return;
@@ -163,8 +176,8 @@ public async Task GenerateText(string prompt, string systemPrompt, TextBlock tex
         //  it is created for each query to avoid bringing history from previous queries
         LanguageModelContext? context = systemPrompt.Length > 0 ? _languageModel.CreateContext(systemPrompt) : null;
         operation = context == null ?
-            options == null ? _languageModel.GenerateResponseAsync(prompt) : _languageModel.GenerateResponseAsync(prompt, options) :
-            options == null ? _languageModel.GenerateResponseAsync(context, prompt, new LanguageModelOptions()) : _languageModel.GenerateResponseAsync(context, prompt, options);
+            options == null ? _languageModel.GenerateResponseAsync(prompt) : _loraModel.GenerateResponseAsync(prompt, options) :
+            options == null ? _languageModel.GenerateResponseAsync(context, prompt, new LanguageModelOptions()) : _loraModel.GenerateResponseAsync(context, prompt, options);
 
         if (operation == null)
         {
@@ -203,6 +216,32 @@ public async Task GenerateText(string prompt, string systemPrompt, TextBlock tex
         NarratorHelper.Announce(InputTextBox, "Content has finished generating.", "GenerateDoneAnnouncementActivityId"); // <exclude-line>
     }
 
+    private LanguageModelOptionsExperimental? LoadAdapter()
+    {
+        if (_loraModel == null)
+        {
+            ShowException(null, "Phi-Silica is not available.");
+            return null;
+        }
+
+        LowRankAdaptation? loraAdapter;
+        try
+        {
+            loraAdapter = _loraModel.LoadAdapter(_adapterFilePath);
+        }
+        catch (Exception ex)
+        {
+            ShowException(ex);
+            return null;
+        }
+
+        var options = new LanguageModelOptionsExperimental
+        {
+            LoraAdapter = loraAdapter
+        };
+        return options;
+    }
+
     private async Task RunQuery()
     {
         if (!File.Exists(_adapterFilePath))
@@ -217,15 +256,8 @@ private async Task RunQuery()
             return;
         }
 
-        if (this.InputTextBox.Text.Length > 0 && _languageModel != null)
+        if (this.InputTextBox.Text.Length > 0 && _loraModel != null)
         {
-            if (_adapterFilePath != null)
-            {
-                ShowException(null, "Phi-Silica Lora adapter is not supported.");
-            }
-
-            var options = new LanguageModelOptions();
-
             GenerateButton.Visibility = Visibility.Collapsed;
             StopBtn.Visibility = Visibility.Visible;
             InputTextBox.IsEnabled = false;
@@ -234,16 +266,19 @@ private async Task RunQuery()
 
             _cts?.Cancel();
             _cts = new CancellationTokenSource();
+            var options = new LanguageModelOptionsExperimental();
             try
             {
                 switch (_generationType)
                 {
                     case GenerationType.All:
+                        options = LoadAdapter();
                         await Task.WhenAll(
                             GenerateText(InputTextBox.Text, SystemPromptBox.Text, LoraTxt, options),
                             GenerateText(InputTextBox.Text, SystemPromptBox.Text, NoLoraTxt));
                         break;
                     case GenerationType.With:
+                        options = LoadAdapter();
                         await GenerateText(InputTextBox.Text, SystemPromptBox.Text, LoraTxt, options);
                         break;
                     case GenerationType.Without:

AIDevGallery/Samples/scenarios.json

@@ -70,6 +70,12 @@
         "Instructions": "Enter a system prompt, a query, and manipulate parameters related to token selection to fine-tune language model output. Hover over any field on this page to see a tooltip containing more info on the parameter.",
         "Id": "custom-parameters"
       },
+      "LoRAAdapters": {
+        "Name": "LoRA fine-tuning for Phi Silica",
+        "Description": "Generate text by fine-tuning Phi Silica with a Low Rank Adaption (LoRA) adapter.",
+        "Instructions": "Select a LoRA adapter to use with a language model. Enter a prompt to pass to the model and adapter and generate the response.",
+        "Id": "generate-with-lora"
+      },
       "WinAiSummarize": {
         "Name": "Windows AI Text Summarization",
         "Description": "Summarize Text using Windows AI Text Summarizer.",

Directory.Packages.props

@@ -29,7 +29,7 @@
     <PackageVersion Include="CommunityToolkit.WinUI.Extensions" Version="8.2.250402" />
     <PackageVersion Include="CommunityToolkit.WinUI.Controls.Sizers" Version="8.2.250402" />
     <PackageVersion Include="Microsoft.Graphics.Win2D" Version="1.3.2" />
-    <PackageVersion Include="Microsoft.WindowsAppSDK" Version="2.0.250930001-experimental1" />
+    <PackageVersion Include="Microsoft.WindowsAppSDK" Version="2.0.0-experimental2" />
     <PackageVersion Include="Microsoft.Windows.SDK.BuildTools" Version="10.0.26100.6584" />
     <PackageVersion Include="Microsoft.Windows.CsWin32" Version="0.3.205" />
     <PackageVersion Include="System.Drawing.Common" Version="9.0.9" />