{"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-sayagi4q","versions":[{"created_at":"2026-06-07T12:05:53Z","element_count":89,"note":"実在売地に自動設計 (site-batch GA): 出典 https://suumo.jp/tochi/miyagi/sc_sendaishiaoba/nc_75251052/ 価格1480万円 建ぺい50%/容積80% 取得2026-06-07","saved_by":"editor","sha256":"58458b0d65fb32d730fc3ca2415663ad08df58bc398e32d889d69b50ef227115","version":2}]}