Frame, Decompose, Verify: Real Engineering with AI Agents

Have you ever handed an AI agent a tricky bug, watched it confidently rewrite half a file, and gotten back something that looks right, reads right, and is just plain wrong? I have, plenty of times. I work on Firefox’s media code, and I’ve been fixing real bugs with an agent for a while now, from one-line typos to multi-week features. The difference between an agent that saves me a day and one that…