brantd/mmu_desi_edr_sv3_aion_tokens

mmu_desi_edr_sv3_tokenized AION-1 tokens for hf://datasets/UniverseTBD/mmu_desi_edr_sv3, produced with aion-hats. The catalog keeps the HATS layout of its source, so it can be opened with lsdb.open_catalog(...) and joined back to the source on _healpix_29/object_id, or loaded with datasets.load_dataset(...). Tokenized columns: spectrum -> tok_spectrum_desi (DESISpectrum)