{"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-6jhdapmi","versions":[{"created_at":"2026-06-09T10:15:14Z","element_count":89,"note":"実在売地に自動設計 (site-batch GA): 出典 https://suumo.jp/tochi/kanagawa/sc_yokohamashiasahi/nc_78747528/ 価格3680万円 建ぺい50%/容積100% 取得2026-06-09","saved_by":"editor","sha256":"442bf46ce18cbf79bf74883bbc06fc20124e294473e696626db015059ce48789","version":2}]}