{"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-1-191clt-5y8llejr","versions":[{"created_at":"2026-06-07T15:00:17Z","element_count":90,"note":"fork元 u-1-191-zbewfr3s / CLT パネル版 / 延床153㎡ 本体工事¥61200090 (現実単価40万/㎡) / 土地出典 https://suumo.jp/tochi/miyagi/sc_sendaishiaoba/nc_75252146/ 1950万円","saved_by":"editor","sha256":"3f849c44b460a71f6ec287e4c6e3fd13f67998fe12b4f52365211ad0d8a981e2","version":2}]}