{"bill_id":"f4a957a9-c92a-4aa0-8e1b-c9df7f7b40dd","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, while aggregator responses are not direct official-source observations. Absence of records does not prove a bill has never changed."}