Step pairs OfType<Ship>; stations and turrets sit on the orbital layer above the ship plane
(ruling aetheria-gravity:orbitals-above-floaters-below). Tests: a ship flies through a station and a turret;
two ships still bounce beside an orbital. Not yet compile-verified (verified once at the cut's head).
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Ruling ship-bounce-restitution-setting: j = -(1+e)(v_rel.n)/(1/m1+1/m2), applied only while closing. The old
exchange formula (PostCollisionVelocity) is deleted. ContactTests now pin momentum, frame shift, restitution,
no impulse while separating, slow closing, tangent of both bodies, inactive hulls, the contact point radius
and the three-body pile. Not yet built or run; verification follows.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Contacts.Step exchanges normal velocity between touching hull discs (PostCollisionVelocity moved verbatim
from ShieldManager) and publishes Zone.Contacted; ShieldManager presents it; HullCollider.OnCollisionEnter
and ShieldManager's ship-on-ship branch are deleted. Not yet built or tested (verification follows).
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
