{
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    "data/jackvial_koch_test_train_legacy.tsfile"
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  "time_precision": "ms",
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    "source": "timestamp",
    "formula": "round(timestamp * 1000)",
    "unit": "milliseconds",
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    {
      "layout": "chunk_v2",
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      },
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      ],
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      "tsfile": "data/jackvial_koch_test_chunk_v2.tsfile"
    },
    {
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      "tsfile": "data/jackvial_koch_test_train_legacy.tsfile"
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  ],
  "dropped_columns": {
    "timestamp": "Converted to Time and not retained as a separate field."
  },
  "omitted_video_columns": {
    "observation.images.laptop": "Legacy train layout video path struct; videos remain in the original dataset."
  },
  "video_policy": "Videos are not uploaded; use the original Hugging Face dataset videos."
}