Link Surg-396K to its repo, not the arXiv page, to drop the auto paper association

Update README.md

Add dataset card

Create README.md

Split the manifest into data/train.jsonl and data/val.jsonl

Move the upstream files out of the root; their published split leaks

Add the corrected non-leaking split with per-record source attribution

Add the corrected non-leaking split with per-record source attribution

Add the corrected non-leaking split with per-record source attribution

Upload combined.json with huggingface_hub

Upload val.json with huggingface_hub

Upload train.json with huggingface_hub

initial commit