Run a marketing/positioning pass on an open source repo's README and public-facing docs so a developer landing on it for the first time immediately understands what it is, why it exists, and how to use it. Use this whenever the user wants to improve a repo's README, write launch copy for an OSS project, sharpen positioning ("does this README explain what the project does"), prep a repo for a Show HN / Hacker News / Product Hunt / Twitter launch, or asks for an "OSS marketing pass," "README audit," or similar. This is about clarity and conversion (visitor → user → star), not contribution mechanics — for CONTRIBUTING.md, issue templates, CODEOWNERS, or governance docs, that…