API: UniDataGen.Observability

Application Insights logging helpers.

public static class AppInsightsLogging
{
    public static ILoggerFactory CreateFactory(
        string? connectionString = null,
        LogLevel minimumLevel = LogLevel.Information,
        Action<ILoggingBuilder>? configure = null);

    public static ILoggingBuilder AddDelegate(this ILoggingBuilder builder, Action<string> sink, LogLevel minLevel = LogLevel.Information);
}

public sealed class DelegateLoggerProvider : ILoggerProvider
{
    public DelegateLoggerProvider(Action<string> sink, LogLevel minLevel = LogLevel.Information);
}

CreateFactory wires Application Insights when a connection string is available, from the argument or the APPLICATIONINSIGHTS_CONNECTION_STRING environment variable, plus any extra providers from configure. AddDelegate forwards formatted messages to a host sink, such as a text box or console.