- Collider property isTrigger (no blocking, still reports enter/stay/exit) - Node 'Move and slide' with blocked x/y outputs, axis-wise resolution - axisSeparation/axisCorrection geometry for box/box, circle/circle, box/circle - Amber outline for trigger colliders in the viewport - Demo mover uses Move and slide; E2E step 15b, 7 new unit tests Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>