Function getTrigramStanceTransition

getTrigramStanceTransition(
    from: TrigramStance,
    to: TrigramStance,
    laterality: StanceLaterality,
): SkeletalAnimation | undefined
Get stance transition animation.

Korean: 자세 전환 가져오기

Retrieves the transition animation for moving from one stance to another with specific laterality.
Parameters
- from: TrigramStance
  Source stance
- to: TrigramStance
  Target stance
- laterality: StanceLaterality
  Stance laterality (left/right)
Returns SkeletalAnimation | undefined
Transition animation, or undefined if not found
Example
```
const transition = getStanceTransition(
  TrigramStance.GEON,
  TrigramStance.TAE,
  "right"
);
console.log(transition.duration); // 0.2
console.log(transition.keyframes.length); // 4
```
Korean
자세전환가져오기
- Defined in systems/animation/core/TrigramStanceTransitions.ts:537