Add extractive alternative section, restore library_name

Add library_name to metadata (#1)

Add arXiv paper link and citation (2604.04979)

Add mascot image and thumbnail back to model card

Update model card: 2-decimal metrics, 27 tool types, qualitative examples, match paper

Update README.md

Add related work context

Add Kimi K2 baseline results

Simplify results table to P/R/F1/Compression

Upload README.md with huggingface_hub

Upload folder using huggingface_hub

initial commit