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Cursor Rules for Expo and React Native Projects

This document outlines the standardized rules and guidelines for developing mobile applications using Expo and React Native. These rules are designed to ensure consistency, maintainability, performance, accessibility, and error-free development across all projects. They apply to all Expo-based React Native apps and are crafted to minimize troubleshooting efforts and enforce best practices.

Cursor Adherence

• Mandatory Compliance: Cursor must read and strictly follow all rules in this document for every Expo and React Native project.
• Self-Check: Before generating code or modifying a project, Cursor must verify that its actions align with these guidelines.
• Error Prevention: If Cursor detects a potential violation of these rules (e.g., creating a new project inside an existing one), it must halt and prompt the user for clarification instead of proceeding.
• Documentation Reference: Cursor must reference this document (cursor-rules.md) w

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Security Audit for Vibe Coding Project

I need you to act as a security expert and do a full audit of the codebase. Your goal is to flag high-impact vulnerabilities and help fix them with minimal changes. Follow this 3-phase approach:

PHASE 1: Codebase Scan

Go through the entire repo. Focus especially on:

• Auth flows
• API endpoints
• DB queries

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Frontend Security

	Security Measure	Description
☐	Use HTTPS everywhere	Prevents basic eavesdropping and man-in-the-middle attacks
☐	Input validation and sanitization	Prevents XSS attacks by validating all user inputs
☐	Don't store sensitive data in the browser	No secrets in localStorage or client-side code
☐	CSRF protection	Implement anti-CSRF tokens for forms and state-changing requests
☐	Never expose API keys in frontend	API credentials should always remain server-side