The default answer to "should we add this?" is no. The burden of proof is on the addition. Additive Bias Defense Note (#444): Frontmatter declares provides.guidance , not provides.contract . The scrutiny questions are consumed by partner skills ( pensive:code-refinement , conserve:unbloat , imbue:scope-guard ) that voluntarily embed them; no validator or hook in leyline enforces them directly. If a future contributor adds enforcement, restore the contract label and link the validator path here. The Problem LLMs are additive by nature. They reinvent wheels, add unnecessary complexity, hallucin…