Upload folder using huggingface_hub (part 31)

.gitattributes

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+ "session": "EgoMotionActions/20261024/EC06/20261024_054541_session53",
+ "session_id": "20261024_054541_session53",
+ "primitive": "EC06",
+ "batch": "20261024",
+ "participant": "yanyitong",
+ "participant_source": "manifest",
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+ "generated_by": "scripts/sync_dataset.py",
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+  "mag": "raw counts, scale unconfirmed (data suggests 163.84 LSB/uT, see knowledge_base sanity doc)",
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+ },
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+  "status": "ok",
+  "date": "2026-10-21"
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