Complete Android-first UI rebuild with mobile-first design system

Rebuild UI: complete redesign with accessibility, responsiveness, and bug fixes

Fix JS syntax and restore HF data on startup

feat: complete data syncing, import/export, file manager, and chat history

feat: revamp publishing modal with file selection and expand AI models

feat: complete project publishing, ai chat, and mobile terminal enhancements

feat: enhance mobile terminal, live preview imports, and theme settings

feat: redesign ui with themes, icons, toasts, and live preview

Create static/js/settings.js