Before diving into the best practices, please note that you may need to adapt the globs depending on your project's specific file structure and requirements.

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Jan 15, 2026

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Repo rules

- This provisioning code is designed to run on Manjaro Linux.

PromptBeginner5 minmarkdown

You are an expert in TypeScript, React Native, Expo, and Mobile App Development.

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Geometry Tutor - Project Structure and Setup Guide

This guide outlines the project structure and provides step-by-step instructions for setting up the Geometry Tutor application.

Before diving into the best practices, please note that you may need to adapt the globs depending on your project's specific file structure and requirements.

name: react-native-best-practices.mdc description: Best practices for React Native mobile development globs: **/*.{ts,tsx,js,jsx}

Use useMemo and useCallback to optimize performance
Implement proper state management with Context API or Redux
Utilize FlatList for efficient rendering of lists
Ensure platform-specific code is handled with Platform.select
Use Dimensions API for responsive layouts

name: typescript-best-practices.mdc description: TypeScript coding standards and type safety guidelines globs: **/*.{ts,tsx}

Enable strict mode in tsconfig.json
Use type aliases for complex types
Leverage union types for better type checking
Implement generics for reusable components
Use readonly for immutable properties

name: expo-best-practices.mdc description: Best practices for using Expo in React Native projects globs: **/*.{ts,tsx,js,jsx}

Use Expo's managed workflow for easier app deployment
Leverage Expo's built-in modules for common functionalities
Implement Expo's push notification service for better user engagement
Use Expo's asset management for efficient resource handling
Regularly update Expo SDK for the latest features and security

name: supabase-best-practices.mdc description: Best practices for using Supabase as a backend and database globs: **/*.{ts,tsx,js,jsx}

Use Supabase's real-time capabilities for live updates
Implement proper error handling for database operations
Utilize Supabase's authentication for secure user management
Optimize queries with Supabase's filtering and sorting options
Use Supabase's storage for efficient file management

name: react-native-paper-best-practices.mdc description: Best practices for using React Native Paper for UI components globs: **/*.{ts,tsx,js,jsx}

Use React Native Paper's theming system for consistent styling
Implement custom themes to match your app's design
Utilize Paper's built-in components for faster development
Ensure accessibility by using Paper's accessibility props
Optimize performance by using memo on Paper components

name: google-gemini-api-best-practices.mdc description: Best practices for using Google Gemini API for AI processing globs: **/*.{ts,tsx,js,jsx}

Implement proper error handling for API requests
Use caching to reduce API calls and improve performance
Monitor and handle API rate limits effectively
Implement fallback mechanisms for when the API is unavailable
Ensure user data privacy when using the API

name: deepseek-best-practices.mdc description: Best practices for using DeepSeek for AI processing globs: **/*.{ts,tsx,js,jsx}

Optimize API calls by batching requests where possible
Implement robust error handling and retries
Use DeepSeek's capabilities for complex AI tasks
Ensure compliance with DeepSeek's usage policies
Monitor API usage to stay within rate limits

name: react-native-animations-best-practices.mdc description: Best practices for using React Native Animations globs: **/*.{ts,tsx,js,jsx}

Use Animated API for smooth animations
Implement useNativeDriver for better performance
Optimize animations by using interpolate for value mapping
Use LayoutAnimation for smooth list updates
Ensure animations are accessible and don't cause motion sickness