Every AI-Generated Line of Code Is a Small Loan — And Eventually, You Have to Pay It Back

A bug showed up in my personal project last month. Nothing dramatic - a value wasn't updating the way it should have been. I opened the file. I read it top to bottom. I had no idea what I was looking at. Not because the code was badly written. It was clean. Well-organized. Doing exactly what I'd asked. The problem was that I had never actually built a mental model of why it worked the way it did. I'd generated it, glanced at it, and moved on - dozens of times without ever once sitting with it…