I need a lean, fast-loading productivity app that runs natively on both iOS and Android while using Supabase for all back-end services. The front end can be built in Flutter, React Native, or any other modern cross-platform stack you feel keeps the binary small and responsive; I’m happy to discuss trade-offs. Core requirements • Supabase real-time database, storage, and edge functions for business logic • Supabase Auth wired for three sign-in options: email + password, social media login, and on-device biometric (Face ID / Touch ID / Android biometrics) • Clean, minimal UI with an onboarding flow, a central dashboard for tasks and notes, and a settings screen • Offline-first data handling with graceful sync when connectivity returns • Clear separation between presentation and business logic to keep future feature additions straightforward Deliverables 1. Source code in a private Git repo, well-commented and organised 2. Build scripts or CI/CD pipeline so I can generate TestFlight & Play Store builds in one click 3. A short README covering project structure, Supabase environment setup, and how to add new modules 4. Final app bundle size targets met (or justification if slightly over) I’ll provide the Supabase project keys and basic schema; you handle everything from UI design to first release candidate. Once these deliverables pass a quick functional test and code review, we’re done.