{"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-c09wprmr","versions":[{"created_at":"2026-06-09T10:05:52Z","element_count":91,"note":"実在売地に自動設計 (site-batch GA): 出典 https://suumo.jp/tochi/kanagawa/sc_yokohamashiaoba/nc_20753360/ 価格5380万円 建ぺい40%/容積80% 取得2026-06-09","saved_by":"editor","sha256":"e112698649581abc4573e309aaa980d9cf794ecf9dcc55aff755c131dde5dca7","version":2}]}