{
  "prefix_s_requested": 2.0,
  "prefix_latents": 8,
  "prefix_pixel": 49,
  "prefix_s_actual": 2.0416666666666665,
  "n": 24,
  "camera": "static_hold_first_pose",
  "frozen": true,
  "version": 1,
  "score_frames": [
    0,
    49,
    80,
    112,
    152
  ],
  "score_video": "candidate RGB video only; control render is not judged",
  "hard": {
    "S": "this ending state",
    "X": "not the other two at once",
    "A": "key interaction"
  },
  "teacher_note": "Teacher cannot pin 8 latents; official teacher Q3 locks GT f49 as new f0 (from-2s)."
}