How I Messed Up AI Streaming (And How You Can Avoid It)

I’ve been building a code review assistant that uses an AI model to suggest improvements in real-time. The idea was simple: you paste in a block of code, and the assistant streams back feedback token by token—like a ChatGPT client for your IDE. What could possibly go wrong? Turns out, pretty much everything. The first version worked fine for a single user, but as soon as I added more concurrent sessions, the whole thing fell apart. Responses were choppy, the UI froze, and sometimes the stream j...