{"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-0m84yp9k","versions":[{"created_at":"2026-06-09T08:10:24Z","element_count":89,"note":"実在売地に自動設計 (site-batch GA): 出典 https://suumo.jp/tochi/miyagi/sc_sendaishitaihaku/nc_20179367/ 価格1288万円 建ぺい50%/容積80% 取得2026-06-09","saved_by":"editor","sha256":"4ae46655827d76b5690ce05331295285d518d191bdc2ac9e36ad1770e5f3b801","version":2}]}