Scaffold a production-ready Expo React Native app with working screens, navigation, and optional Clerk auth. Generates complete mobile app structure that runs immediately with `bun start`. Use when scaffolding a new Expo or React Native app, setting up Expo Router navigation, or adding Clerk auth to
Scaffold a production-ready Expo React Native app with working screens, navigation, and optional Clerk auth. Generates complete mobile app structure that runs immediately with `bun start`. Use when scaffolding a new Expo or React Native app, setting up Expo Router navigation, or adding Clerk auth to a mobile app.