Replaced all remaining game function calls:
- findInterpIdx (0x713D50): full temporal-coherence search reimplementation
- interpAnimKF in boneKeyframeLoop: reuses existing pure Zig version
- applyTranslation/rotateByQuaternion/scaleMatrix3x3 in boneKeyframeLoop
- getInterpolatedFloat (0x71AF20): replaced with interpFloatTrack (identical)
- extractByte (0x71AE90): findInterpIdx + direct byte read
- Child recursion: direct call to transformImpl_SSE instead of 0x714260 hook
Only 2 game calls remain (cannot be replaced):
- 0x409AEF: one-time atexit registration in boneKeyframeLoop
- 0x7B5F60: IsParticleBufferEmpty (reads game particle state)
MarcelineVQ
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