create a new terminal
cd backend
python3 -m venv venv && source venv/bin/activate
pip install -r requirements.txt
cp .env.example .env # then paste your GROQ_API_KEY into .env
# run the app
python app.py
# or
python -m appcreate a new terminal
cd frontend
npm install
npm run dev # http://localhost:3000
\`\`\`
If the frontend can't reach the backend, set \`VITE_API_URL=http://localhost:5000\`
in \`frontend/.env\`.