Improve model card: YAML metadata, link to dataset companion

Move data/ to dedicated dataset repo aianonymous12/BOCCHI

Add BOCCHI PKL (633 samples, DCT-57ch + img + mask, 8.4 GB)

Add Inference cross-eval PKL (422 samples, 5.6 GB)

Delete files _perm_test.txt with huggingface_hub

verify write

Upload README.md

Upload 4 files

initial commit