{"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-2-11327solunasips-kdtxq3vt","versions":[{"created_at":"2026-06-07T15:03:29Z","element_count":90,"note":"fork元 u-2-11327-s4wf82ry / SOLUNA 籾殻SIPs版 / 延床147㎡ 本体工事¥48402342 (現実単価33万/㎡) / 土地出典 https://suumo.jp/tochi/miyagi/sc_sendaishiaoba/nc_77115849/ 1740万円","saved_by":"editor","sha256":"743961123fadea8855339a09c95f2e88069e00ea9de3858009ba01cb9454ddba","version":2}]}