Update to Ad Creative Generator

{
  "description": "Build creative testing matrices and screen ads for claim, policy, and accessibility risks.",
  "included_files": [],
  "name": "testing-and-compliance",
  "skill_md_contents": "---\nname: testing-and-compliance\ndescription: Build creative testing matrices and screen ads for claim, policy, and accessibility risks.\n---\n\nDefine one-variable tests, control, hypothesis, audience split, primary metric, guardrails, sample caveats, and decision rule. Check substantiation, disclosures, privacy-sensitive targeting, prohibited promises, before/after claims, health/finance restrictions, copyright, accessibility, and platform policy review needs.\n"
}