I made a tiny Python “music alert” for when my agents finish running: original dual-track chiptune jingles with a properly raunchy bass line.
success → end-game credits vibe failure → nervous twitchy riff quick tasks → microwave ping
It’s opt-in (env var gated), so CI stays quiet.
Completely unnecessary. Weirdly addictive. And a great way to make “done” impossible to miss.
What’s your best unnecessary-but-useful dev hack?