Your Terminal is Burning Battery Like It's Mining Bitcoin

The crime scene Zaragoza, Hotel Pilar Plaza café. A latte, views of the basilica, and yours truly with a shiny new MacBook Air M3 ready to work a couple hours with Claude Code before a meeting. Two hours later: battery at 15%. Red alert. Panic. But how? I was just in a terminal writing code. No video, no Zoom, nothing that would justify this kind of consumption. I open Activity Monitor, Energy tab, and there's the culprit: Ghostty , with an accumulated consumption of 3,600 over the last 12 hours