Why every Ghostty tab said 'Claude Code' (and the 30-line zsh hook that fixed it)

I had four Ghostty tabs open the other morning. Three projects, four tabs, each tab split into two or three panes. Every single tab in the tab bar said Claude Code . I cmd-tabbed three times trying to find the one running tests for claudoscope . By the time I scrolled the panes inside each tab to read a path or a prompt, I'd forgotten what I was looking for in the first place. That's a regression. Tab titles used to mean something. Then everyone started running an AI coding agent in every other