Fabr

// Define an agent with Fabr
public class MyAgent : FabrAgentProxy
{
    private AIAgent? _agent;
    private AgentThread? _thread;

    public override async Task OnInitialize()
    {
        var client = await GetChatClient("AzureOpenAI");
        _agent = new ChatClientAgent(client)
            .AsBuilder()
            .UseOpenTelemetry()
            .Build(ServiceProvider);
        _thread = _agent.GetNewThread();
    }

    public override async Task<AgentMessage> OnMessage(
        AgentMessage message)
    {
        var response = message.Response();
        var result = await _agent!.RunAsync(
            message.Message, _thread);
        response.Message =
            string.Join("\r\n", result.Messages);
        return response;
    }
}