{
  "qa_test.jsonl": {
    "question_id": "Unique question identifier.",
    "question": "Open-ended benchmark question.",
    "reference_answer": "Target semantic content; equivalent paraphrases may be accepted.",
    "category": "Canonical paper-facing question family.",
    "target_character_ids": "Recurring characters involved in the item.",
    "evidence_video_ids": "Curator-side supporting IDs in the released clip_000--clip_838 timeline; these are evaluation metadata and may be non-exhaustive.",
    "before_clip": "Latest accessible evaluation video. Recall/Retrieval use a deterministic target delay of 5--20 clips after the latest annotated evidence, capped at clip_838; Profile uses null."
  },
  "videos/metadata.jsonl": {
    "file_name": "Relative MP4 name, understood by the Hub video viewer.",
    "video_id": "Identifier in the released evaluation timeline.",
    "date": "Visible date burned into the memory clip, null for calibration.",
    "is_calibration": "Whether this is the non-evidence face--voice reference.",
    "duration_seconds": "Container duration measured with ffprobe."
  }
}