{"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-rcf0t1sa","versions":[{"created_at":"2026-06-09T07:39:28Z","element_count":54,"note":"実在売地に自動設計 (site-batch GA): 出典 https://suumo.jp/tochi/hokkaido_/sc_sapporoshichuo/nc_20748196/ 価格2180万円 建ぺい40%/容積80% 取得2026-06-09","saved_by":"editor","sha256":"0ad8c60227b10385e04d11bf85cac924b7caa950dfdea62f7297c8af000d8869","version":2}]}