legislation_cosponsors: 119-hr-7396, M001234

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-7396	M001234	Rep. Morrison, Kelly [D-MN-3]	D	MN	2026-02-05	1