{"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-seattleraincityhouse-nu5rg1s8","versions":[{"created_at":"2026-06-07T05:13:48Z","element_count":80,"note":"audit: 物件名で宣言した書斎・コーヒーバー(コーヒーヌック)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":"a6b5bfd22d2ab0c2d9d69e2f0bb9ebb35931e13c9b550746f951e6a558c07a5f","version":3}]}