Add ChatClientAgent constructor overload (#188)

* Add ChatClientAgent constructor overload

* Add unit tests for new constructor

* Up code coverage with extra tests

* Address PR comments.

* Address PR comment

* Add additional test to increase code coverage.

dotnet/samples/GettingStarted/Steps/Step01_ChatClientAgent_Running.cs

@@ -33,11 +33,7 @@ public sealed class Step01_ChatClientAgent_Running(ITestOutputHelper output) : A
         IChatClient chatClient = base.GetChatClient(provider);
 
         // Define the agent
-        Agent agent = new ChatClientAgent(chatClient, options: new()
-        {
-            Name = ParrotName,
-            Instructions = ParrotInstructions,
-        });
+        Agent agent = new ChatClientAgent(chatClient, ParrotInstructions, ParrotName);
 
         // Invoke the agent and output the text result.
         Console.WriteLine(await agent.RunAsync("Fortune favors the bold."));

dotnet/samples/GettingStarted/Steps/Step02_ChatClientAgent_UsingFunctionTools.cs

@@ -12,12 +12,33 @@ namespace Steps;
 /// </summary>
 public sealed class Step02_ChatClientAgent_UsingFunctionTools(ITestOutputHelper output) : AgentSample(output)
 {
+    [Theory]
+    [InlineData(ChatClientProviders.AzureOpenAI)]
+    [InlineData(ChatClientProviders.OpenAIChatCompletion)]
+    public async Task RunningWithToolsBasic(ChatClientProviders provider)
+    {
+        // Creating a MenuTools instance to be used by the agent.
+        var menuTools = new MenuTools();
+
+        // Get the chat client to use for the agent.
+        var chatClient = base.GetChatClient(provider);
+
+        // Define the agent and add the GetSpecials tool.
+        var agent = new ChatClientAgent(
+            chatClient,
+            instructions: "Answer questions about the menu.",
+            tools: [AIFunctionFactory.Create(menuTools.GetSpecials)]);
+
+        // Respond to user input, invoking functions where appropriate.
+        Console.WriteLine(await agent.RunAsync("What is the special soup and its price?"));
+    }
+
     [Theory]
     [InlineData(ChatClientProviders.AzureOpenAI)]
     [InlineData(ChatClientProviders.OpenAIChatCompletion)]
     public async Task RunningWithTools(ChatClientProviders provider)
     {
-        // Creating a Menu Tools to be used by the agent.
+        // Creating a MenuTools instance to be used by the agent.
         var menuTools = new MenuTools();
 
         // Define the options for the chat client agent.
@@ -65,7 +86,7 @@ public sealed class Step02_ChatClientAgent_UsingFunctionTools(ITestOutputHelper
     [InlineData(ChatClientProviders.OpenAIChatCompletion)]
     public async Task StreamingRunWithTools(ChatClientProviders provider)
     {
-        // Creating a Menu Tools to be used by the agent.
+        // Creating a MenuTools instance to be used by the agent.
         var menuTools = new MenuTools();
 
         // Define the options for the chat client agent.

dotnet/samples/GettingStarted/Steps/Step03_ChatClientAgent_UsingCodeInterpreterTools.cs

@@ -105,7 +105,6 @@ public sealed class Step03_ChatClientAgent_UsingCodeInterpreterTools(ITestOutput
     /// <returns>The code interpreter output as a string.</returns>
     private static string? GetCodeInterpreterOutput(object rawRepresentation, ChatClientProviders provider)
     {
-#pragma warning disable OPENAI001 // Type is for evaluation purposes only and is subject to change or removal in future updates. Suppress this diagnostic to proceed.
         switch (provider)
         {
             case ChatClientProviders.OpenAIAssistant
@@ -114,7 +113,6 @@ public sealed class Step03_ChatClientAgent_UsingCodeInterpreterTools(ITestOutput
                         string.Empty,
                         stepDetails.CodeInterpreterOutputs.SelectMany(l => l.Logs)
                         )}";
-#pragma warning restore OPENAI001 // Type is for evaluation purposes only and is subject to change or removal in future updates. Suppress this diagnostic to proceed.
 
             case ChatClientProviders.AzureAIAgentsPersistent
                 when rawRepresentation is Azure.AI.Agents.Persistent.RunStepDetailsUpdate stepDetails: