{"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-t5zoylat","versions":[{"created_at":"2026-06-04T17:00:58Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.6->99.1)","saved_by":"editor","sha256":"7baa92496e374eab1959959286cd8859b7bf05c1ee68de9aecd6d9ea87d0e8ca","version":11},{"created_at":"2026-06-04T05:52:59Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 94.6→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"b2814a93c5f5e21194a1c708466c916b8ad48293fabc50c8011cb87dbedcede1","version":10},{"created_at":"2026-06-04T04:57:19Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 47.5→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"490c938703395f4507e6f2d13ab0d41100703207b5086b6130b83574a1f88a36","version":9},{"created_at":"2026-06-04T04:57:19Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"081d5899d4aa454ad8301206dab43fb3d4749a2defffa2ffd89bd7ccdeb45ba0","version":8}]}