{
  "author": "LLM visual review of source and primary pilot",
  "rationale": "Hair retracts during the early dip, extends around the middle return and final head turn. Garments lag the smaller torso displacement by roughly 4–7 frames. Each part has its own keys.",
  "tracks": {
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      [
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    ],
    "fringe_left/tip_drag": [
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    "fringe_right/tip_drag": [
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    "lock_right/tip_drag": [
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    "coat_left/hem_broad": [
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    ],
    "coat_left/fold_tip": [
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    "coat_right/hem_follow": [
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    ],
    "coat_back/lower_fabric": [
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        0
      ],
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      ]
    ],
    "ribbon_left/cloth_tip": [
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      ],
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      ],
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    ],
    "ribbon_right/cloth_tip": [
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}