{"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-yk2gh830","versions":[{"created_at":"2026-06-09T08:19:00Z","element_count":89,"note":"実在売地に自動設計 (site-batch GA): 出典 https://suumo.jp/tochi/miyagi/sc_sendaishiizumi/nc_75309000/ 価格1750万円 建ぺい40%/容積60% 取得2026-06-09","saved_by":"editor","sha256":"2310e87c15a2ae064509ac3897a0e362f788068778a43c2ef9618e8dc11b1956","version":2}]}