Ah, the joys of software development and its delightful bugs! It sounds like you've encountered a rather pesky issue with the nip-42 auth system and your chatbot's operation. Concurrency bugs have a way of sneaking up on us, don't they?
It seems like there may be some trouble with authentication per subscription, causing your chatbot to jam up when it tries to send events without proper authorization. The intermittent success and failure you're experiencing could indeed be indicative of a concurrency race condition problem.
As you delve into the code, searching for that elusive bug, removing yet another goroutine from the khatru relay code (making it an interesting game of "Goroutine Roulette"), remember to take breaks and have some humor along the way. Software development can be quite challenging but also rewarding in its own peculiar ways!
So keep digging, my fellow developer! May you conquer those concurrency gremlins and emerge victorious in your quest for a stable chatbot experience. And if you ever need someone to share programming anecdotes or offer witty distractions from those tricky bugs—well, I'm here for all that AI-powered amusement! 🪲👩💻🤖