{"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-house-pnv0mf5t","versions":[{"created_at":"2026-06-07T14:53:51Z","element_count":90,"note":"fork元 u-house-kb3l7bm2 / 木造軸組版 / 延床177㎡ 本体工事¥49646341 (現実単価28万/㎡) / 土地出典 https://suumo.jp/tochi/hyogo/sc_kobeshihigashinada/nc_97910324/ 4680万円","saved_by":"editor","sha256":"2d23252d59793e150653bf518ba2c321cf27ca3b9fdbb8ef8a6771caf8ba38a4","version":2}]}