Fidgets were stuttering because normal animation updates immediately overrode them.
Now tracks active fidget and prevents normal animation updates until fidget completes.
Changes:
- Added mountActiveFidget_ to track currently playing fidget animation
- Check fidget completion using getAnimationState before allowing normal updates
- Only trigger new fidgets when no fidget is active
- Cancel active fidget on movement
- Expanded fidget search criteria: duration up to 3000ms, ID range 1-20
- Added debug logging to show discovered fidgets and when they complete
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