Register a new device
curl -X POST https://your-app.vercel.app/api/setup \
-H "Content-Type: application/json" \
-d '{"device_uuid": "test-device-123"}'Get screen for device
curl "https://your-app.vercel.app/api/display?uuid=test-device-123"
Log device activity
curl -X POST https://your-app.vercel.app/api/log \
-H "Content-Type: application/json" \
-d '{"device_uuid": "test-device-123", "message": "Test log"}'