The Best AI Interface Isn’t a Chat Box. It’s a Red Bar.
A full-width red bar on your Mac screen just solved one of AI’s most overlooked problems: the cognitive tax of constantly checking your agent’s status. The Claude Code Lightbar turns AI monitoring from an active, attention-draining task into an ambient peripheral cue. It’s a return to old-school physical affordances — a glanceable signal that says “I’m working” without demanding you look.