legislation_cosponsors: 119-hr-7531, M001223

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-7531	M001223	Rep. Magaziner, Seth [D-RI-2]	D	RI	2026-02-12	1