RAINLINE

Three selectable coastal combat racing circuits with GPU shallow water, rain, twin autocannons, drift/boost, and three-lap races against3AI rivals.

Builder: build.luau directly instantiates rainline.visuals.circuit sceneModule for durable scene geometry. Shared data: rainline.shared routes. Gameplay/presentation/water are scene-attached components; no REPL setup required. Scene is world's startup.

Design and recovery: /zero/source/design/spec.md, track-expansion.md, build-status.md, validation-and-release.md. Source notes deliberately live in the world. Original scenes.main preserved.

Controls: WASD drive,Space drift,Shift boost,F/mouse fire,Rrestart; gamepad and touch bindings available. Top track buttons select a race. Full real3lap player wins verified on all3circuits.