{"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-solunasips-2nf7eo3e","versions":[{"created_at":"2026-06-07T14:57:46Z","element_count":83,"note":"fork元 u-house-t00hwjq8 / SOLUNA 籾殻SIPs版 / 延床168㎡ 本体工事¥55400926 (現実単価33万/㎡) / 土地出典 https://suumo.jp/tochi/kanagawa/sc_yokohamashikohoku/nc_21009612/ 4660万円","saved_by":"editor","sha256":"c1c1e535ccac5a8e8e1d0f1f35d2a7ec44ede72779b542af992a7b640aae1227","version":2}]}