Function createHumanoidRig

createHumanoidRig(): SkeletalRig
Create complete humanoid skeletal rig

Creates 28-bone humanoid skeleton following Korean martial arts anatomy:
- 1 root (pelvis)
- 3 spine bones
- 2 head bones (neck, head)
- 12 arm bones (6 per arm)
- 10 leg bones (5 per leg)
Total: 28 bones (under 30 bone limit for 60fps performance)
Returns SkeletalRig
Complete skeletal rig with bone hierarchy
Example
```
const rig = createHumanoidRig();
const rightHand = rig.bones.get(BoneName.HAND_R);
console.log(`Hand position: ${rightHand?.position}`);
```
Korean
인간형골격생성
- Defined in systems/animation/builders/SkeletonRig.ts:97