{"note":"bim_versions 導入後の保存のみ記録 (それ以前は bim_canonical 上書きで履歴なし)","ok":true,"slug":"u-honolulubeachvilla58-a9fqcj3c","versions":[{"created_at":"2026-10-27T06:57:32Z","element_count":33,"note":"","saved_by":"editor","sha256":"beb01b878d1064ccc5c2cce55c909db5cd31a4bf189fc58cb9aa54538bd3183d","version":2}]}