Available inline JavaScript API

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Inline code receives rustic, Game, and instance exactly as described in the JavaScript guide:

const [x, y, z] = rustic.get_translation();
rustic.set_translation(x, y + 1, z);
rustic.set_property("score", 10);
rustic.EditAttribute("Color", [1.0, 1.0, 1.0]);

const camera = Game.scene.Find("Room.Camera");
Game.setCurrentCamera(camera);
instance.add("Cube");

if (rustic.key("KeyW").held) {
  rustic.log("info", "forward key held in Play");
}

JavaScript mutations are applied in command order after the callback. Properties must be declared and type-compatible. Scene lookup returns stable IDs; JavaScript Game.scene.List() currently returns path strings. Instance operations are queued and do not return the created ID. The Play input limits also apply to inline JavaScript: only held WASD, arrow, and Shift state is forwarded from the embedded Play viewport.