built a plugin so my parallel Claude Code sessions can message each other instead of me alt-tabbing
I usually have two or more Claude Code sessions open at once. One in the backend repo, one in the frontend. Half the time I'd be in the frontend asking "wait, what shape did the user object end up as?", then alt-tab, ask the backend session, copy the answer, alt-tab back, paste. The other Claude was right there. It already knew. I was the bottleneck. So I wrote a plugin called Relay. In the frontend window I just say: ▎ask the backend session what the user object looks like The backend session sees the question between turns, answers it, and the reply pops up in my frontend session as a n...