{"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-41f2g4pf","versions":[{"created_at":"2026-06-09T10:14:08Z","element_count":89,"note":"実在売地に自動設計 (site-batch GA): 出典 https://suumo.jp/tochi/kanagawa/sc_yokohamashitotsuka/nc_20177737/ 価格5680万円 建ぺい40%/容積80% 取得2026-06-09","saved_by":"editor","sha256":"fe79a86ae706c2e27eda952750efe32f9bba9ee26ff3bebbda42e224bece31eb","version":2}]}