{"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-sara71n8","versions":[{"created_at":"2026-06-17T04:50:14Z","element_count":180,"note":"言葉から生成: 総2階(箱) / ピアノ室と防音・吹抜のある家 / 南面大開口・吹抜(採光・通風・眺望) / 2F南東・独立防音室(ピアノ・二重サッシ・遮音壁・防振) / 北・東・西・3m・45度・道路・採光・日影・全てクリア / Roof・Roof・Roof・Roof・Roof・Roof・Roof・Roof・Roof・Roof・Roof・Roof・Roof・Roof・Roof・Roof・Roof・Roof・Roof・Roof・Roof・Roof・Roof・Roof・Roof・Roof・Roof・Roof・Roof・Roof・Roof・Roof・Roof・Roof・Roof・Roof・Roof","saved_by":"mcp:create","sha256":"","version":1}]}