Visual verification (Task 7) revealed two bugs in the new env-var
gated path:
1. Heading locked at login direction. Cause: AdjustOffset returns
position delta only; the dist≤96 enqueue branch never updated
body.Orientation. Fix: apply orientation unconditionally on every
UpdatePosition (snap-on-receipt). Position lerps via queue.
2. Endless jumping. Cause: (a) body.Velocity persisted forever
after arc landed because apply_current_movement no longer ran;
(b) UpdatePositions during the arc were enqueued, fighting the
gravity sim. Fix: skip enqueue when rm.Airborne (mirrors retail
MoveOrTeleport has_contact=false → no-op); zero non-airborne
body.Velocity each tick (mirrors legacy apply_current_movement);
detect landed when receiving UpdatePosition while airborne with
no/zero velocity.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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