{"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-fl7z9cg8","versions":[{"created_at":"2026-06-09T08:08:34Z","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_20810215/ 価格2280万円 建ぺい50%/容積80% 取得2026-06-09","saved_by":"editor","sha256":"29d917e662d96343e069911eaf497796fae5f42eb206d206d0c9d9ae15a9aae2","version":2}]}