{"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-a65ydb6m","versions":[{"created_at":"2026-06-09T03:33:07Z","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":"b90a6607b170effaeb4f2560f6f17dfa1ceee78583b3855f58b04a163e36acc2","version":2}]}