Event-Driven Consumer Generator

[GenerateEventDrivenConsumer] creates a typed EventDrivenConsumer<TPayload> factory.

[GenerateEventDrivenConsumer(typeof(OrderAcceptedEvent), FactoryName = "Create", ConsumerName = "order-accepted-consumer")]
public static partial class OrderAcceptedConsumer
{
    [EventDrivenConsumerHandler("audit")]
    private static EventDrivenConsumerHandlerResult Audit(Message<OrderAcceptedEvent> message, MessageContext context)
        => EventDrivenConsumerHandlerResult.Success("audit");
}

Handler methods must be static, return EventDrivenConsumerHandlerResult, and accept Message<TPayload> plus MessageContext.

Diagnostics:

• PKEVT001: host type must be partial.
• PKEVT002: at least one event-driven consumer handler is required.
• PKEVT003: event-driven consumer handler signature is invalid.