Drop-in content: cars/<id>/stats.tres (+optional car.glb), levels/<id>/level.glb
or .tscn with a Spawn marker. Raycast arcade car (boost, drift, drift-earns-boost),
chase cam, HUD, menu built from registry scan. Placeholder Woolies carpark with
shuntable parked cars. Headless smoke test + windowed screenshot harness.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
