{"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-5-1-616m7dsl","versions":[{"created_at":"2026-06-09T08:11:47Z","element_count":90,"note":"実在売地に自動設計 (site-batch GA): 出典 https://suumo.jp/tochi/miyagi/sc_sendaishitaihaku/nc_77304817/ 価格2115万円 建ぺい60%/容積200% 取得2026-06-09","saved_by":"editor","sha256":"e5fb83ab8544ecbc0ed96f96a499085f4e9c41564ea01f9b45b640ced6cb641d","version":2}]}