{"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-hcm6r5lv","versions":[{"created_at":"2026-06-09T09:51:57Z","element_count":89,"note":"実在売地に自動設計 (site-batch GA): 出典 https://suumo.jp/tochi/kanagawa/sc_yokohamashikohoku/nc_20853291/ 価格5480万円 建ぺい50%/容積60% 取得2026-06-09","saved_by":"editor","sha256":"25a366223771577bdfff26f853dd0151ba8478cf5138b2c7f98f327c6349d791","version":2}]}