Guide the Amazon Working Backwards process, from the 5 Questions to a complete PR-FAQ document. Use this skill when the user wants to draft, refine, or verify 5Q answers; generate a PR-FAQ from 5Q answers; review a PR-FAQ against Amazon standards; or clarify the 5Q/PR-FAQ process. Triggers include mentions of "5 questions," "PR-FAQ," "PRFAQ," "working backwards," "press release FAQ," Amazon-style proposals, or requests to write/review product proposals in Amazon format.