- FacialExpressionComponent: add FCriticalSection around emotion curves
to prevent race between TickComponent (game thread) and anim worker
thread — root cause of EXCEPTION_ACCESS_VIOLATION at Evaluate_AnyThread
- Remove deprecated FBlendedCurve::IsValid() guards (UE 5.5: always true)
- Body tracking: replace AddActorWorldRotation() with animation-only
pelvis bone rotation via AnimNode — eliminates replication tug-of-war
that caused client-side saccades when server overwrote local rotation
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
j.foucher
677f08e936