Expo Design Systems Make every screen in an app draw from one visual source of truth: a token theme and a small set of reusable components. This skill defines where tokens live, what they cover, how reusable components are shaped, and when a repeated view earns promotion into the system. Sibling skills own the layers around this one: - - platform styling rules (HIG, semantic colors, controls, shadows syntax). Follow it for what values look native ; follow this skill for where values live and how they're reused . - - folder skeleton for new apps. For Tailwind projects, keep tokens in as CSS va…