{"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-2-11327-wzzvzne9","versions":[{"created_at":"2026-06-07T15:02:26Z","element_count":90,"note":"fork元 u-2-11327-s4wf82ry / 木造軸組版 / 延床147㎡ 本体工事¥41181335 (現実単価28万/㎡) / 土地出典 https://suumo.jp/tochi/miyagi/sc_sendaishiaoba/nc_77115849/ 1740万円","saved_by":"editor","sha256":"07b7aaaa7f87b8b80e8f520d42506a073a714a446615dbbca716032b5b8c2296","version":2}]}