{"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-5z6b0wa8","versions":[{"created_at":"2026-06-07T12:05:09Z","element_count":85,"note":"実在売地に自動設計 (site-batch GA): 出典 https://suumo.jp/tochi/miyagi/sc_sendaishiaoba/nc_20914368/ 価格1450万円 建ぺい50%/容積80% 取得2026-06-07","saved_by":"editor","sha256":"525096eb526e6ce60a154e6f95de0999161bd4a2a84e63437f647c9ba5bceb73","version":2}]}