legislation_cosponsors: 119-hr-4242, H001082

Cosponsors for tracked legislation. Distinguishes original cosponsors (signed on at introduction) from later additions. Linked to congress_members via bioguide_id.

This data as json

bill_id	bioguide_id	full_name	party	state	sponsorship_date	is_original_cosponsor
119-hr-4242	H001082	Rep. Hern, Kevin [R-OK-1]	R	OK	2025-10-28	0