I built a forensic debugger for Azure Service Bus dead-letter queues — here's how it works

It's 2 AM. Your monitoring fires. 5,000 messages in the Dead-Letter Queue. You need to know three things immediately: What's actually inside those messages Which failure pattern caused this Which messages are safe to replay right now That investigation used to take me 6 hours. It now takes 45 minutes. Not because I got faster — because I built the right tool. ServiceHub is an open-source, self-hosted web application that treats dead-letter queue debugging as the forensic investigation it actuall