{"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-byfqkshi","versions":[{"created_at":"2026-06-07T15:07:25Z","element_count":90,"note":"fork元 u-house-9l4xldsi / CLT パネル版 / 延床138㎡ 本体工事¥55272559 (現実単価40万/㎡) / 土地出典 https://suumo.jp/tochi/tokyo/sc_setagaya/nc_77374425/ 18880万円","saved_by":"editor","sha256":"d0006171b5f1b865ef7725c66ee8fa0580204542c31b63d83c4257c84fe4fe34","version":2}]}