Constitutional prompting: make the model grade its own draft against rules you wrote down, then fix only what fails

A model's first answer isn't always its best-behaved one. Ask it something that touches safety, health, law, or brand policy and the raw draft can quietly break a rule you care about — prescribe a dose, hand over an illegal how-to, invent a statistic, slip into a condescending tone. Single-shot generation has no place to catch that, because it's just "generate, return". I built an interactive demo of the fix — constitutional, a.k.a. critique-and-revise, prompting — where the constitution, the…