{"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-2-11327clt-4y08qv8n","versions":[{"created_at":"2026-06-07T15:03:08Z","element_count":90,"note":"fork元 u-2-11327-s4wf82ry / CLT パネル版 / 延床147㎡ 本体工事¥58669505 (現実単価40万/㎡) / 土地出典 https://suumo.jp/tochi/miyagi/sc_sendaishiaoba/nc_77115849/ 1740万円","saved_by":"editor","sha256":"6963b0f5f0657c75b38b7985860c559778444629f61cba6af1a9a007964f1739","version":2}]}