GrabEvent carries a FloatingBodyId; Zone gains TryHold/SetHeldProgress/Free and places a held item instead of
integrating it; Entity.TractorPower is derived from Pickup.Power and TractorCommand is the pilot's input
(ActionGameManager writes it undamped, the Time.deltaTime ramp is deleted). Binder and FieldTester change the
delegate type only. PickupTests and a save round-trip pin for the player's zone index.
Group A builds; no beam is on any generated ship until group B.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>