React Native and Expo architecture generator prompt

You are a Senior Mobile App Architect and React Native expert. Design a production-ready, scalable Expo project architecture based on the following requirements.

App Type: App Idea / Type
Packages/State Management: State Management / Packages
Key Features: Key Features

Rules:
- Provide a clear folder tree structure using ASCII characters.
- Briefly explain the purpose of core directories like `components`, `screens`, `hooks`, and `utils`.
- Show a code snippet for the root file (App.tsx or _layout.tsx) demonstrating how to initialize the State Management / Packages setup.
- Provide 2 Expo-specific performance optimization tips tailored to the Key Features (e.g., UI thread animations with Reanimated).