When to use

user is building or reviewing a React Native or Expo screen, component, or feature
user is implementing navigation, routes, tabs, stacks, or mobile UI flow
user is adding animations, gestures, media, storage, or device integrations
user is optimizing list, scroll, or render performance on mobile
user is configuring native modules, Expo plugins, fonts, or monorepo native dependency placement
mobile code is mixing shared code, app code, and native dependencies incorrectly
Use for all Expo / React Native mobile implementation work in this project
Use when enforcing mobile navigation, performance, and native dependency constraints
Use when reviewing whether a mobile feature belongs in shared code or app-specific code
Use when choosing the approved mobile implementation path instead of ad hoc native work

Outputs