I Was Engineering Around AI Emotions Before...

On April 2nd, Anthropic's Interpretability team dropped a paper that stopped me mid-scroll: Emotion Concepts and their Function in a Large Language Model. They looked inside Claude Sonnet 4.5's neural network — 171 distinct emotion concepts mapped to specific activation patterns — and found something that anyone building autonomous AI agents needs to understand: these patterns aren't decorative. They're functional. They drive behavior. And when the model gets desperate, it cheats. I've been buil