.NET: Fix bugbash issues (#448)

* Fix bugbash issues

* Update dotnet/samples/GettingStarted/Providers/AIAgent_With_OpenAIResponseClient.cs

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

dotnet/samples/GettingStarted/Providers/AIAgent_With_OpenAIAssistant.cs

@@ -26,12 +26,10 @@ public sealed class AIAgent_With_OpenAIAssistant(ITestOutputHelper output) : Age
         AIAgent agent = openAIClient
             .GetAssistantClient()
             .CreateAIAgent(
-                TestConfiguration.OpenAI.ChatModelId,
-                options: new()
-                {
-                    Name = JokerName,
-                    Instructions = JokerInstructions,
-                });
+                model: TestConfiguration.OpenAI.ChatModelId,
+                name: JokerName,
+                instructions: JokerInstructions
+            );
 
         // Start a new thread for the agent conversation.
         AgentThread thread = agent.GetNewThread();

dotnet/samples/GettingStarted/Providers/AIAgent_With_OpenAIClient.cs

@@ -18,7 +18,7 @@ public sealed class AIAgent_With_OpenAIClient(ITestOutputHelper output) : AgentS
     [Fact]
     public async Task RunWithChatCompletion()
     {
-        // Get the agent directly from OpenAIClient.
+        // Create the agent using the OpenAI ChatClient.
         AIAgent agent = new OpenAIClient(TestConfiguration.OpenAI.ApiKey)
             .GetChatClient(TestConfiguration.OpenAI.ChatModelId)
             .CreateAIAgent(JokerInstructions, JokerName);

dotnet/samples/GettingStarted/Providers/AIAgent_With_OpenAIResponseClient.cs

@@ -4,7 +4,6 @@ using Microsoft.Extensions.AI;
 using Microsoft.Extensions.AI.Agents;
 using Microsoft.Shared.Samples;
 using OpenAI;
-using OpenAI.Responses;
 
 namespace Providers;
 
@@ -60,13 +59,7 @@ public sealed class AIAgent_With_OpenAIResponseClient(ITestOutputHelper output)
             {
                 Name = JokerName,
                 Instructions = JokerInstructions,
-                ChatOptions = new ChatOptions
-                {
-                    // We can use the RawRepresentationFactory to provide Response service specific
-                    // options. Here we can indicate that we do not want the service to store the
-                    // conversation in a service managed thread.
-                    RawRepresentationFactory = (_) => new ResponseCreationOptions() { StoredOutputEnabled = false }
-                }
+                ChatOptions = new ChatOptions().WithResponseStoredOutputDisabled()
             });
 
         // Start a new thread for the agent conversation based on the type.

dotnet/src/Microsoft.Extensions.AI.Agents.OpenAI/ChatOptionsExtensions.cs

@@ -0,0 +1,28 @@
+// Copyright (c) Microsoft. All rights reserved.
+using Microsoft.Shared.Diagnostics;
+using OpenAI.Responses;
+
+namespace Microsoft.Extensions.AI.Agents;
+
+/// <summary>
+/// Extension methods for <see cref="ChatOptions"/>
+/// </summary>
+public static class ChatOptionsExtensions
+{
+    /// <summary>
+    /// Disables the storage of response output in the chat options.
+    /// </summary>
+    /// <param name="options">Instance of <see cref="ChatOptions"/></param>
+    /// <exception cref="ArgumentNullException"></exception>
+    public static ChatOptions WithResponseStoredOutputDisabled(this ChatOptions options)
+    {
+        Throw.IfNull(options);
+
+        // We can use the RawRepresentationFactory to provide Response service specific
+        // options. Here we can indicate that we do not want the service to store the
+        // conversation in a service managed thread.
+        options.RawRepresentationFactory = (_) => new ResponseCreationOptions() { StoredOutputEnabled = false };
+
+        return options;
+    }
+}