{
  "n": 10,
  "protocol": "i2v_first_frame",
  "prefix_latents": 1,
  "prefix_s": 0.0,
  "frozen": true,
  "checklist_version": 1,
  "context_frames": [
    0
  ],
  "score_frames": [
    49,
    80,
    112,
    152
  ],
  "hard": {
    "S": "end state",
    "C": "camera arrived",
    "A": "key interaction"
  },
  "scoring": "binary per question; 3 easy + 3 hard per clip; 60 questions total",
  "status": "final"
}