{"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-sqewnmxa","versions":[{"created_at":"2026-06-04T05:53:55Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 93.7→93.7 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.7 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"eb1764c42d339128430bf955b9c73bdd0de3e8d64ea86d2688da110af2b50bf8","version":10},{"created_at":"2026-06-04T04:52:36Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 75.3→93.7 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.7 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"365248186f5c0b3b56d5df1c12590f728f275cd189e1487bda7885c3c84b2de5","version":9},{"created_at":"2026-06-04T04:52:36Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"298ebcc4d1791de8e37f424915120004088d6c6f3a8faa9e7776855f1815939c","version":8}]}