{"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-venicebeachmodern-jotxxajz","versions":[{"created_at":"2026-06-07T05:13:48Z","element_count":80,"note":"audit: 物件名で宣言した中庭・書斎を要素として明示追加 (元の全要素は保持して全置換)。機能軸整合。","saved_by":"editor","sha256":"2163089152e014902a259582a627c4d63c222d010f33de42c2f1b2019370aa9f","version":3}]}