Simple AI file logger

AI_FileTelemetryChannel.cs

public sealed class FileTelemetryChannel : ITelemetryChannel
{
    private readonly ISerializationWriter _serializationWriter;
    private readonly StreamWriter _streamWriter;

    public FileTelemetryChannel(string fileName = null)
    {
        EndpointAddress = fileName;
        _streamWriter = new StreamWriter(
            fileName ?? $"{Path.GetTempPath()}ai-{DateTime.Now:yyyy-M-d}.jsonl",
            true);
        _serializationWriter = CreateSerializationWriter(_streamWriter);
    }

    public void Dispose() => _streamWriter.Dispose();

    public void Send(ITelemetry item)
    {
        _serializationWriter.WriteStartObject();
        item.SerializeData(_serializationWriter);
        _serializationWriter.WriteEndObject();
        _streamWriter.WriteLine();
    }

    public void Flush() => _streamWriter.Flush();

    public bool? DeveloperMode { get; set; }

    public string EndpointAddress { get; set; }

    private static ISerializationWriter CreateSerializationWriter(TextWriter textWriter)
    {
        var type = Type.GetType(
            "Microsoft.ApplicationInsights.Extensibility.Implementation.JsonSerializationWriter, Microsoft.ApplicationInsights",
            true,
            false);
        return (ISerializationWriter) Activator.CreateInstance(type, textWriter);
    }
}