{"bill_id":"c1546413-82f2-465f-bdd1-3eed3645876a","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."}