{"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-1s4ywhpy","versions":[{"created_at":"2026-06-07T15:05:59Z","element_count":90,"note":"fork元 u-house-ax740jrt / CLT パネル版 / 延床138㎡ 本体工事¥55005361 (現実単価40万/㎡) / 土地出典 https://suumo.jp/tochi/hokkaido_/sc_sapporoshikita/nc_20553213/ 990万円","saved_by":"editor","sha256":"995052b92a16f943bcdf93b52e435e096de4630a65ba2825c6809d80294f0aab","version":2}]}