{"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-solunasips-lgl9n30i","versions":[{"created_at":"2026-06-07T15:04:55Z","element_count":90,"note":"fork元 u-house-pqwjpk3h / SOLUNA 籾殻SIPs版 / 延床138㎡ 本体工事¥45555277 (現実単価33万/㎡) / 土地出典 https://suumo.jp/tochi/miyagi/sc_sendaishiaoba/nc_76869561/ 1620万円","saved_by":"editor","sha256":"d0a2fac7ee6f6385960a9b7258a1e9a6c05925ace6d7c30ce55e762d736ec6f3","version":2}]}