app/.envis for Vite-only frontend settings.backend/.envis for Node backend settings.
npm run devruns the frontend and backend in development.npm run start:frontendbuilds the frontend and servesapp/diston port8080.npm run start:backendstarts the Express server.npm run startruns both production-style servers together.
backend/database/db.js accepts either an absolute DB_PATH or a path relative to the backend/ folder.