{"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-6sluowsp","versions":[{"created_at":"2026-06-04T05:51:04Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 99.1→99.1 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.1 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"4cc220e87aed3ea865d9ab19d5c7edacf5b02956cfaaea346727abee61cb978b","version":10},{"created_at":"2026-06-04T04:53:11Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 71.6→99.1 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.1 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"95a9e77259d95210b88d2119d201fbedef4aec6ce1621bed961708984850dfe7","version":9},{"created_at":"2026-06-04T04:53:11Z","element_count":31,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"18cb9cafeb5255bfce9a9774cd527cb9ce85f40c44dafe53fcaf3fa71b37adc6","version":8}]}