Create reusable React component packages for the Raamattu Nyt monorepo. Use when:
(1) Extracting a component from an app into a shared package
(2) Creating a new reusable UI component library
(3) Designing props contracts for controlled/uncontrolled components
(4) Implementing engine abstraction patterns (GSAP, framer-motion)
(5) Decoupling components from Supabase/Auth/fetching
Triggers: "create package", "extract component", "make reusable", "shared component", "props contract", "engine abstraction"