Permanent archival metadata release. Zenodo DOI: https://doi.org/10.5281/zenodo.21379389. GitHub, Hugging Face, citation, ORCID, license, and checksum metadata are aligned. Dataset rows, labels, splits, and data-file checksums are unchanged from v1.0.1. Archive SHA-256: 6797f91b4ac99e1c338c775c75e237890de89c700ba33d16fbe4a65e346059b4.