introduced context in query

Author: alkampfergit

src/KernelMemory.Extensions.ConsoleTest/Samples/CustomSearchPipelineBase.cs

@@ -136,6 +136,7 @@ public async Task RunSample2()
                 {
                     var options = new UserQueryOptions("default");
                     userQuestion = new UserQuestion(options, question);
+                    userQuestion.Context = "Computer security and IT Security";
                 }
                 else
                 {
@@ -316,7 +317,7 @@ private static IKernelMemoryBuilder CreateBasicKernelMemoryBuilder(
         services.AddSingleton<HyDeQueryHandler>();
         var hydeConfig = new HiDeQueryHandlerConfiguration()
         {
-            Prompt = "Given a question, generate a paragraph of text that answers the question in the context of computer security and IT security"
+            Prompt = "Given a question, generate a paragraph of text that answers the question"
         };
         services.AddSingleton(hydeConfig);
         services.AddSingleton<KeywordSearchQueryHandler>();

src/KernelMemory.Extensions/QueryPipeline/HyDeQueryHandler.cs

@@ -47,6 +47,11 @@ protected override async Task OnHandleAsync(UserQuestion userQuestion, Cancellat
         // Perform a vector search in default memory
         StringBuilder prompt = new StringBuilder(_configuration.Prompt.Length + userQuestion.Question.Length + "Question: ".Length + "Paragraph: ".Length + 20);
         prompt.AppendLine(_configuration.Prompt);
+        if (!string.IsNullOrEmpty(userQuestion.Context))
+        {
+            prompt.AppendLine("The context of the question is: " + userQuestion.Context);
+        }
+
         prompt.AppendLine("Question: " + userQuestion.Question);
         prompt.AppendLine("Paragraph: ");
 

src/KernelMemory.Extensions/QueryPipeline/UserQuestion.cs

@@ -33,6 +33,13 @@ internal void AddReRanker(IReRanker reRanker)
 
     public string Question { get; private set; }
 
+    /// <summary>
+    /// If we know the context in which the query live, we can 
+    /// use it during the search, especially with query enhancer
+    /// like HyDe or similar techniques.
+    /// </summary>
+    public string Context { get; set; }
+
     /// <summary>
     /// if the question was rewritten, this stores the original question made by the user.
     /// </summary>