{"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-e71l2fi2","versions":[{"created_at":"2026-06-07T12:18:48Z","element_count":89,"note":"実在売地に自動設計 (site-batch GA): 出典 https://suumo.jp/tochi/hiroshima/sc_hiroshimashiasaminami/nc_20334739/ 価格1780万円 建ぺい50%/容積100% 取得2026-06-07","saved_by":"editor","sha256":"e700797e7b3fba751d82fe1bc65fbcce5e399d7c56b5e5ae79194f8f868c2e30","version":2}]}