{"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-xmyck3an","versions":[{"created_at":"2026-06-04T05:49:29Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 100.0→100.0 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 100.0 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"13f68e458d0ae4972756b8450e3b2d8a04e4293da7d6a69f85e8d1951d02bd7d","version":10},{"created_at":"2026-06-04T04:56:53Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 49.5→100.0 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 100.0 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"e7de836b11336e439e174b123640773fb3e1d09d9b9c2784adb8d7421cd24e61","version":9},{"created_at":"2026-06-04T04:56:53Z","element_count":17,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"14e6e4b684f1fdcfdb5ef7c4ed410349c60e6db772f5dcc3721bb15194c59cdb","version":8}]}