{
  "author": "LLM agent after visual inspection, 2026-09-28",
  "acceptance": "Reviewed anchor overlays and source frames. Reliable garment/neck/left-wrist measurements accepted as event samples; motion interpolated only between these authored events.",
  "corrections": [
    "Discard all face_left tracks: hair occlusion and inconsistent support.",
    "Pelvis f14/f74 rounded from garment context: low-confidence proxy.",
    "Neck f39 manually set to (470,294) after source contact sheet.",
    "Right wrist not reliably visible; use 0.75 times observed right-elbow displacement. This is an authored conservative assumption.",
    "Head roll explicitly authored; source yaw/tilt not uniquely recoverable as planar rotation."
  ],
  "events": [
    {
      "frame": 0,
      "event": "初始闭眼静坐",
      "points": {
        "pelvis": [
          471.0,
          528.0
        ],
        "torso": [
          463.0,
          450.0
        ],
        "head": [
          459.0,
          285.0
        ],
        "hand_left": [
          459.0,
          379.0
        ],
        "hand_right": [
          548.0,
          540.0
        ]
      },
      "head_roll_deg": 0,
      "torso_roll_deg": 0.0
    },
    {
      "frame": 14,
      "event": "第一次低头接近停顿",
      "points": {
        "pelvis": [
          469,
          534
        ],
        "torso": [
          469.4,
          459.4
        ],
        "head": [
          468.9,
          293.2
        ],
        "hand_left": [
          468.8,
          390.0
        ],
        "hand_right": [
          548.4,
          544.7
        ]
      },
      "head_roll_deg": 3.5,
      "torso_roll_deg": 0.77
    },
    {
      "frame": 26,
      "event": "右侧轻摆后停顿",
      "points": {
        "pelvis": [
          469.0,
          534.1
        ],
        "torso": [
          470.8,
          458.3
        ],
        "head": [
          469.3,
          292.7
        ],
        "hand_left": [
          469.0,
          390.2
        ],
        "hand_right": [
          548.5,
          544.7
        ]
      },
      "head_roll_deg": 4,
      "torso_roll_deg": -0.1
    },
    {
      "frame": 39,
      "event": "头部回摆",
      "points": {
        "pelvis": [
          471.6,
          532.3
        ],
        "torso": [
          469.1,
          456.1
        ],
        "head": [
          470,
          294
        ],
        "hand_left": [
          467.5,
          387.9
        ],
        "hand_right": [
          550.3,
          543.0
        ]
      },
      "head_roll_deg": 2.5,
      "torso_roll_deg": -0.88
    },
    {
      "frame": 52,
      "event": "再次下沉",
      "points": {
        "pelvis": [
          471.4,
          532.4
        ],
        "torso": [
          468.8,
          456.8
        ],
        "head": [
          467.5,
          292.7
        ],
        "hand_left": [
          468.1,
          388.3
        ],
        "hand_right": [
          550.9,
          542.5
        ]
      },
      "head_roll_deg": 3,
      "torso_roll_deg": 0.24
    },
    {
      "frame": 63,
      "event": "低头停顿",
      "points": {
        "pelvis": [
          469.1,
          534.5
        ],
        "torso": [
          469.4,
          459.0
        ],
        "head": [
          468.3,
          293.4
        ],
        "hand_left": [
          468.9,
          390.2
        ],
        "hand_right": [
          549.4,
          543.8
        ]
      },
      "head_roll_deg": 4,
      "torso_roll_deg": 0.69
    },
    {
      "frame": 74,
      "event": "最后一次闭眼停顿",
      "points": {
        "pelvis": [
          469,
          535
        ],
        "torso": [
          469.8,
          459.9
        ],
        "head": [
          469.2,
          293.9
        ],
        "hand_left": [
          469.5,
          391.0
        ],
        "hand_right": [
          548.7,
          544.9
        ]
      },
      "head_roll_deg": 4,
      "torso_roll_deg": -0.05
    },
    {
      "frame": 80,
      "event": "睁眼前开始抬头",
      "points": {
        "pelvis": [
          469.6,
          534.1
        ],
        "torso": [
          469.1,
          458.2
        ],
        "head": [
          468.2,
          291.9
        ],
        "hand_left": [
          468.2,
          389.8
        ],
        "hand_right": [
          548.6,
          544.7
        ]
      },
      "head_roll_deg": 1.5,
      "torso_roll_deg": -0.15
    },
    {
      "frame": 83,
      "event": "双眼打开",
      "points": {
        "pelvis": [
          470.2,
          533.0
        ],
        "torso": [
          466.6,
          456.9
        ],
        "head": [
          467.1,
          289.6
        ],
        "hand_left": [
          466.3,
          388.3
        ],
        "hand_right": [
          548.5,
          544.1
        ]
      },
      "head_roll_deg": -0.5,
      "torso_roll_deg": 1.52
    },
    {
      "frame": 88,
      "event": "抬头并向画面右侧转动",
      "points": {
        "pelvis": [
          471.3,
          530.9
        ],
        "torso": [
          463.1,
          454.2
        ],
        "head": [
          465.2,
          287.9
        ],
        "hand_left": [
          463.3,
          386.2
        ],
        "hand_right": [
          548.3,
          542.9
        ]
      },
      "head_roll_deg": -2.5,
      "torso_roll_deg": 0.45
    },
    {
      "frame": 94,
      "event": "转向延续",
      "points": {
        "pelvis": [
          472.2,
          529.0
        ],
        "torso": [
          458.5,
          451.0
        ],
        "head": [
          460.7,
          285.4
        ],
        "hand_left": [
          460.2,
          384.8
        ],
        "hand_right": [
          548.2,
          541.4
        ]
      },
      "head_roll_deg": -4,
      "torso_roll_deg": 1.35
    },
    {
      "frame": 99,
      "event": "片段结束，保持抬头",
      "points": {
        "pelvis": [
          472.3,
          526.9
        ],
        "torso": [
          453.9,
          449.9
        ],
        "head": [
          458.2,
          282.9
        ],
        "hand_left": [
          456.4,
          383.6
        ],
        "hand_right": [
          548.1,
          539.9
        ]
      },
      "head_roll_deg": -5,
      "torso_roll_deg": 1.72
    }
  ],
  "pilot": [
    75,
    99
  ]
}