{"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-7g5ege5s","versions":[{"created_at":"2026-06-09T03:19:57Z","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_20813037/ 価格4100万円 建ぺい60%/容積160% 取得2026-06-09","saved_by":"editor","sha256":"602a626837b696e52426066e8fa60cd1a76836b5030b17aaa91e8b00944cdaf4","version":2}]}