{"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-6xzpotnl","versions":[{"created_at":"2026-06-09T10:11:19Z","element_count":89,"note":"実在売地に自動設計 (site-batch GA): 出典 https://suumo.jp/tochi/kanagawa/sc_yokohamashitotsuka/nc_79045711/ 価格3280万円 建ぺい60%/容積200% 取得2026-06-09","saved_by":"editor","sha256":"066c9fed5acc271c6b815b1bdef2a79bae861ff1b3ab93c39dc3373cd04bd0ab","version":2}]}