{"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-o871kdf8","versions":[{"created_at":"2026-06-04T07:22:08Z","element_count":98,"note":"GA polish 2026-06-04: 総合 97.0→99.5 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"5359102f475110c0ac5a9883b3647f883332e41bcbcf6426b8accabebcc322ea","version":11},{"created_at":"2026-06-04T05:50:18Z","element_count":101,"note":"GA diverse re-design 2026-06-04: 総合 99.5→97.0 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 97.0 (美 92 環 100 楽 100))","saved_by":"editor","sha256":"81c1e4fcd7d8c91c907e049ac8deec4d93a61334f6e08d8faca944de75693d11","version":10},{"created_at":"2026-06-04T04:56:56Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 49.1→99.5 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"41fa17c622ae3ee987b43c4a462ad0d0f34bfb6f15b81386ade439f28569bd94","version":9},{"created_at":"2026-06-04T04:56:56Z","element_count":17,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"4cd82354ca5799d2c9799b10c79e9058f9d81b2433a1746c2f7ce3aec609b193","version":8}]}