{"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-hbd4wsgv","versions":[{"created_at":"2026-06-07T15:06:21Z","element_count":90,"note":"fork元 u-house-ax740jrt / SOLUNA 籾殻SIPs版 / 延床138㎡ 本体工事¥45379423 (現実単価33万/㎡) / 土地出典 https://suumo.jp/tochi/hokkaido_/sc_sapporoshikita/nc_20553213/ 990万円","saved_by":"editor","sha256":"29ea38b22324abc12b90478b35ff3075ea7cd2f4ada228968b7e68835b6cc049","version":2}]}