List bills with search, filters, and pagination

Search query (matches title, description, bill_number)

Filter by one or more state/jurisdiction abbreviations, comma-separated (e.g. US, CA, or CA,NY,WA)

Session filter: current (default), historical, all

Filter by status: introduced/engrossed/enrolled/passed/vetoed/failed (or 1-6)

Filter by current chamber: H, S, A, J, L, C

Filter by primary sponsor party: D, R, I

Filter by pending committee ID (integer)

Filter by bill type code (e.g. B, R, JR, CR)

Hide dead bills (default: false)

relevance (default) | last_action | introduced | bill_number

Filter by LegiScan subject tag name

Filter by primary sponsor name

Page number (default: 1)

Results per page (default: 20, max: 100)

An optional fields mask