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      "note": "Head leads left; body begins to unfold."
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    },
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    },
    {
      "f": 24,
      "kind": "B",
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    },
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    },
    {
      "f": 26,
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      "note": ""
    },
    {
      "f": 27,
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      "note": ""
    },
    {
      "f": 28,
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      "note": ""
    },
    {
      "f": 29,
      "kind": "B",
      "note": ""
    },
    {
      "f": 30,
      "kind": "B",
      "note": ""
    },
    {
      "f": 31,
      "kind": "B",
      "note": ""
    },
    {
      "f": 32,
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    },
    {
      "f": 33,
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      "note": "Camera catches the crouched turn; hindquarters stay low."
    },
    {
      "f": 34,
      "kind": "B",
      "note": ""
    },
    {
      "f": 35,
      "kind": "B",
      "note": ""
    },
    {
      "f": 36,
      "kind": "B",
      "note": ""
    },
    {
      "f": 37,
      "kind": "B",
      "note": ""
    },
    {
      "f": 38,
      "kind": "B",
      "note": ""
    },
    {
      "f": 39,
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    },
    {
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    },
    {
      "f": 41,
      "kind": "B",
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    },
    {
      "f": 42,
      "kind": "B",
      "note": ""
    },
    {
      "f": 43,
      "kind": "B",
      "note": ""
    },
    {
      "f": 44,
      "kind": "K",
      "note": "Side-on body settles while the head turns into bank vegetation."
    },
    {
      "f": 45,
      "kind": "B",
      "note": ""
    },
    {
      "f": 46,
      "kind": "B",
      "note": ""
    },
    {
      "f": 47,
      "kind": "B",
      "note": ""
    },
    {
      "f": 48,
      "kind": "B",
      "note": ""
    },
    {
      "f": 49,
      "kind": "B",
      "note": ""
    },
    {
      "f": 50,
      "kind": "B",
      "note": ""
    },
    {
      "f": 51,
      "kind": "B",
      "note": ""
    },
    {
      "f": 52,
      "kind": "B",
      "note": ""
    },
    {
      "f": 53,
      "kind": "B",
      "note": ""
    },
    {
      "f": 54,
      "kind": "B",
      "note": ""
    },
    {
      "f": 55,
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      "note": "Face partly hidden by the turn and bank."
    },
    {
      "f": 56,
      "kind": "B",
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    },
    {
      "f": 57,
      "kind": "B",
      "note": ""
    },
    {
      "f": 58,
      "kind": "B",
      "note": ""
    },
    {
      "f": 59,
      "kind": "B",
      "note": ""
    },
    {
      "f": 60,
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    },
    {
      "f": 61,
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    {
      "f": 62,
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    {
      "f": 63,
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    },
    {
      "f": 64,
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      "note": ""
    },
    {
      "f": 65,
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      "note": ""
    },
    {
      "f": 66,
      "kind": "K",
      "note": "Low foraging hold; legs and tail remain occluded."
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  "source_registration": {
    "method": "manually observed screen-space head/body hulls at eight source frames; PCHIP between them",
    "coordinates": [
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    "camera_method": "Sequential LK background feature median deltas, excluding animal and water; not SAM or a segmentation measurement",
    "camera_depth": "one translational camera estimate, no depth estimate",
    "unknown": "hidden feet contacts, full tail shape, head yaw in 3D"
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  "motion_approved": false,
  "training_ran": false,
  "train_eligible": false,
  "review_status": "source_head_turn_repair_pending",
  "review_note": "Source head turn still needs repair; motion unapproved."
}