{"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-8h7mabjc","versions":[{"created_at":"2026-06-09T02:39:14Z","element_count":89,"note":"実在売地に自動設計 (site-batch GA): 出典 https://suumo.jp/tochi/kanagawa/sc_kawasakishimiyamae/nc_20764477/ 価格7420万円 建ぺい50%/容積80% 取得2026-06-09","saved_by":"editor","sha256":"49bd7b59f3b44e9faff7f8274e9ab04b7662c36c4debce1118a535869acc745d","version":2}]}