Email — Marketing Marketing email extension for Caffeine AI. Overview This skill adds direct marketing email support with subscriber management, topic-based subscriptions, and unsubscribe links that land on the app's own frontend. The backend mints one unsubscribe token per subscriber and topic ( ) and handles it through ; the frontend renders the page, where the recipient clicks a button to unsubscribe. Requires email verification before users can receive marketing emails. Required Setup Checklist All six steps are mandatory. 1. mops dependencies — , and . 2. Stable state fields — and (plus…