{"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-gbh71y8l","versions":[{"created_at":"2026-06-18T19:33:08Z","element_count":178,"note":"言葉から生成: 中庭ロの字 / 犬と暮らす土間広めの家・ドッグラン / 2階設けドッグラン付き25㎡中庭 / 2.5畳土間リビング+犬用スロープ / 全室24時間換気+夏涼し設計 / 2階寝室+2階ランドリールーム / 222㎡2階建て222㎡222㎡222㎡222㎡222㎡222㎡222㎡222㎡222㎡222㎡222㎡222㎡222㎡222㎡222㎡222㎡222㎡222㎡222㎡222㎡222㎡222㎡222㎡222㎡222㎡222㎡222㎡222㎡222㎡222㎡222㎡222㎡222㎡222㎡222㎡222㎡222㎡222㎡222㎡222㎡222㎡222㎡222㎡222㎡222㎡22","saved_by":"mcp:create","sha256":"","version":1}]}