add link to arxiv

Switch to pure OpenRAIL license; add commercial inquiries / indemnification ($1000) / donations note to card

Finalize license: clean OpenRAIL, commercial free, email contact for commercial/custom-data inquiries (no binding notification)

Add embedded-audio preview.parquet (LFS) for viewer; point viewer at preview; document full-corpus access

Move license summary into License section; warmer, human phrasing

Fix viewer (root paths + pipe sep); apply emotion_final relabel (12 styles, drop yawn); author order; license v1.1

Add responsible-use license and dataset card