This folder contains:

• frontend/ (Html + CSS + React + Vite)
• backend/ (Spring Boot + REST API + SQLite)

cd backend
./mvnw spring-boot:run

Backend runs on http://localhost:8080.

cd frontend
cp .env.example .env
npm install
npm run dev

Frontend runs on http://localhost:5173 and calls backend using VITE_API_BASE_URL.