LumiBaby is a production-ready, AI-powered multi-application platform built to simplify baby growth tracking, co-parenting coordination, and system administration. The platform comprises a centralized Node.js REST API with real-time WebSockets and two high-performance React Native (Expo) mobile apps built with TypeScript, Redux Toolkit, expo-secure-store, NativeWind (Tailwind CSS), and smooth Reanimated aesthetics.