I made Claude Code refuse to write code unless the ticket scores 80/100

I've been using Claude Code daily on real projects for several months. It's excellent. It's also a brilliant improviser — and that's the problem. The failure mode The recurring pattern looked like this: I'd write a vague ticket. Claude Code would happily start coding. It would ship something close to what I asked, but not quite. It would touch files I hadn't anticipated. Security and UI review lived in the same head as the implementation — so nothing caught the obvious. Each sessio...