{"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-austinhillcountryhou-rk2frfhk","versions":[{"created_at":"2026-06-07T05:12:52Z","element_count":46,"note":"audit: 直前のPOSTで要素が全置換され3件に減ったため、元の全要素を復元しつつ宣言済みの薪ストーブ(本体+不燃炉台+断熱二重煙突)を追加。機能軸整合。","saved_by":"editor","sha256":"034f47688de27bfbf6bd0d0d2a0917c13ce11ccd514561c80b1a48349369cbc1","version":4},{"created_at":"2026-06-07T05:12:38Z","element_count":3,"note":"audit: 機能整合 — 物件名/室構成で宣言した薪ストーブを要素として明示追加 (薪ストーブ本体+不燃炉台+断熱二重煙突)。再評価7軸の機能軸補正。","saved_by":"editor","sha256":"6a55345a00e94d40d22d1d49edf60aaeba7f37fbc6f6ae4b5439457643360df4","version":3}]}