{"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-lznxrzaq","versions":[{"created_at":"2026-06-09T09:15:00Z","element_count":88,"note":"実在売地に自動設計 (site-batch GA): 出典 https://suumo.jp/tochi/tokyo/sc_ota/nc_20311322/ 価格9990万円 建ぺいNone%/容積None% 取得2026-06-09","saved_by":"editor","sha256":"926892c2a7373a1ee96e7f28d089204fc26049afeea3a7008ce4a30c377629c0","version":2}]}