offer-and-proof-line-ad-creativelisted

# Offer And Proof Line Shared quality bar: `../references/output-standard.md`. All numbers cited here live in `../references/thresholds.md`. Most creative that fails does not fail on wording. It fails because nothing specific was promised, nothing supported the promise, and nothing reduced the risk of acting. ## Use this skill when The copy says something like "grow faster" or "save time" and nobody can state what is actually being offered. Also use it before a creative sprint, so every downstream skill in this pack writes against one settled offer, and when an advertiser asks for a proof line the account may not be able to evidence. Not for shaping a settled offer into platform variants, which is paid-social-primary-text-ad-creative. Not for the opening seconds of a video, which is video-hook-lines-ad-creative. Not for splitting a proven angle across audience temperatures, which is funnel-stage-variants-ad-creative. ## Required input - The vague benefit as it is currently written. - What the product actually does, in one paragraph, in plain terms. - The commercial terms available: price, trial length, guarantee, contract length, onboarding time. - Every candidate proof and where it lives: a dashboard, a document, a named customer with permission, a public review. - The category, checked against `claims.restricted_topics`. - Who can approve a guarantee or a refund promise. ## Analysis workflow 1. Restate the vague benefit and name what it is missing: the outcome, t