{"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-xcgkf5y6","versions":[{"created_at":"2026-06-04T16:59:48Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (91.5->100.0)","saved_by":"editor","sha256":"ede3e832df63d1d859e7d61b5cf693067c92684c75bffddb8ca85693ad0fcc04","version":11},{"created_at":"2026-06-04T05:53:59Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 93.7→91.5 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 91.5 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"cf1d016c79c5a393cbadc84887780d312f815bd43fb64eaf8332c74b5f68d073","version":10},{"created_at":"2026-06-04T04:59:26Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 36.1→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":"d801d934ca4cffe250af0ade43f96123138539dfdbc56f84bada646dead9d114","version":9},{"created_at":"2026-06-04T04:59:26Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"ea0048ff0f3bb1cd165431491118600cc2ffc628c1821bd0688638e5e2a9de8a","version":8}]}