{"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-vgbssmew","versions":[{"created_at":"2026-06-04T17:00:34Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (90.3->99.3)","saved_by":"editor","sha256":"7ee59a7ff16975543f684eec4fe8abd80fff95a658a56f2c90e077e0781c03f3","version":11},{"created_at":"2026-06-04T05:49:52Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 99.7→90.3 (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 90.3 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"f69643566e76b52f31a7d310e308ca62c5ccb621c2afcdece7280f27b8069f9e","version":10},{"created_at":"2026-06-04T04:59:22Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 36.8→99.7 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.7 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"373b5c983096e9c497b960eb547bd53c69384f5ce4107890eb22b2807bc7063a","version":9},{"created_at":"2026-06-04T04:59:22Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"57adbd9c12b384fa974812621016145e4913e13e35e3c384d1c803db09dcc61a","version":8}]}