This is a full-stack mobile language learning application built with Expo (React Native) and a modern cloud-native stack. The app delivers an interactive learning experience that includes onboarding, structured lessons, AI-powered conversational practice, progress tracking, and analytics. The application features secure authentication using Clerk, a personalized onboarding flow for language selection, and a complete lesson system with XP-based progress tracking. Users can practice speaking with an AI teacher through Stream Voice Agents, enabling real-time conversational learning. The fronten