Function applyHandPoseToConfig

applyHandPoseToConfig(
    kf: KeyframeConfig,
    pose: HandPose,
    hand: HandSelection,
): void
Apply hand pose to a KeyframeConfig (builder pattern)
Parameters
- kf: KeyframeConfig
  KeyframeConfig to apply pose to
- pose: HandPose
  Hand pose data from HAND_POSES
- hand: HandSelection
  Which hand(s) to apply ("left" | "right" | "both")
Returns void
Example
```
applyHandPoseToConfig(kf, HAND_POSES.FIST, "right");
```
Korean
KeyframeConfig에손모양적용
- Defined in systems/animation/builders/HandPoseApplicator.ts:132