{"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-clt-48ed1sqk","versions":[{"created_at":"2026-06-07T15:04:34Z","element_count":84,"note":"fork元 u-house-pqwjpk3h / CLT パネル版 / 延床139㎡ 本体工事¥55477451 (現実単価40万/㎡) / 土地出典 https://suumo.jp/tochi/miyagi/sc_sendaishiaoba/nc_76869561/ 1620万円","saved_by":"editor","sha256":"ce9db3ec44aeae1fe5b4a261961433e20308126d2020b8d865c9a45d43863322","version":2}]}