{"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-4mhwdr1k","versions":[{"created_at":"2026-06-09T08:13:15Z","element_count":90,"note":"実在売地に自動設計 (site-batch GA): 出典 https://suumo.jp/tochi/miyagi/sc_sendaishitaihaku/nc_20774770/ 価格5980万円 建ぺい60%/容積200% 取得2026-06-09","saved_by":"editor","sha256":"39f28fd71d5b0a83a9e4acde16c724632e7f980bb2f04fef8c6f52d03cb353be","version":2}]}