What we do: Set up the full test environment: Meta test users, a test Facebook Page, and a test Instagram Business account, wired so reviewers can reproduce every flow. Verify webhook subscriptions and run real API test calls for each requested permission. Produce a narrated screencast (8-10 minutes, chaptered) showing every permission in use — no secrets, tokens, or production data on screen. Write reviewer-ready submission notes and credentials, then submit.