{"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-cqt2m13r","versions":[{"created_at":"2026-06-04T16:59:23Z","element_count":61,"note":"polish: batch-improve-100 2026-06-04 (92.4->97.2)","saved_by":"editor","sha256":"c1e745b2bafc184bad0fe6cf76fab501b7555e80eb743ea97048f6ae40007237","version":12},{"created_at":"2026-06-04T07:22:30Z","element_count":70,"note":"GA polish 2026-06-04: 総合 91.1→92.4 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 92.4 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"3a154cc0f5625abfeba482c31183ef53b0b05968ab0ed1cf323321920eaf6d3d","version":11},{"created_at":"2026-06-04T05:55:48Z","element_count":72,"note":"GA diverse re-design 2026-06-04: 総合 92.4→91.1 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 91.1 (美 92 環 99 楽 100))","saved_by":"editor","sha256":"02614cae89f20314ab5e3bb4387cfaecb0e4b7f3da3eee90fb1ef820dbe6c80d","version":10},{"created_at":"2026-06-04T04:54:13Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 67.0→92.4 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 92.4 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"6ba1466ba6b9339eec47bf2853a9716280232addb991cdbedf8db136c0c5de1f","version":9},{"created_at":"2026-06-04T04:54:13Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"a76f442c00052ad98a0ff7aebf88acf8d8c3d3fd6966eccb90dd74009facb4d3","version":8}]}