{"bill_id":"a7375f56-fab0-40bb-a011-1306bd743882","items":[],"has_more":false,"next_offset":null,"pagination_limited":false,"interpretation":"Forward mutation evidence only. Each source is labeled; ca_official_actions records replay retained California legislative archives, nc_official_bill_detail records replay retained North Carolina bill detail pages, while aggregator responses are not direct official-source observations. Absence of records does not prove a bill has never changed."}