如何将Polly策略添加到使用工厂创建的Refit客户端？

public void ConfigureServices(IServiceCollection services)
{
    // 注册 HttpClient 实例
    services.AddHttpClient();

    // 注册 Refit 客户端，并添加 Polly 策略
    services.AddRefitClient<IMyApiClient>()
        .ConfigureHttpClient(client =>
        {
            client.BaseAddress = new Uri("https://api.example.com");
        })
        .AddPolicyHandler(GetRetryPolicy())
        .AddPolicyHandler(GetCircuitBreakerPolicy());
}

private IAsyncPolicy<HttpResponseMessage> GetRetryPolicy()
{
    // 创建并配置 Polly 的重试策略
    return Policy.Handle<HttpRequestException>()
        .WaitAndRetryAsync(3, retryAttempt => TimeSpan.FromSeconds(Math.Pow(2, retryAttempt)));
}

private IAsyncPolicy<HttpResponseMessage> GetCircuitBreakerPolicy()
{
    // 创建并配置 Polly 的断路器策略
    return Policy.Handle<HttpRequestException>()
        .CircuitBreakerAsync(5, TimeSpan.FromSeconds(30));
}

public class MyController : ControllerBase
{
    private readonly IMyApiClient _apiClient;

    public MyController(IMyApiClient apiClient)
    {
        _apiClient = apiClient;
    }

    public async Task<IActionResult> Index()
    {
        var result = await _apiClient.GetData();
        // 处理返回结果
        return Ok(result);
    }
}