Clean architecture in React Native isn't about layers

Every React Native codebase I've worked on hits the same wall around month four. A screen that started at 80 lines is now 400. Half of it is useEffect chains coordinating API calls. A push notification mid-flow leaves the app in a state nobody can reproduce. Clean architecture in React Native isn't about folders or layers. It's about whether you can still reason about your app when async, navigation, and native modules collide. The shape that fails The default React Native architecture is "every