{"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-a24rwp58","versions":[{"created_at":"2026-06-04T17:00:19Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (94.6->100.0)","saved_by":"editor","sha256":"01b7f5d9f78791435dbb0457cbff7f0c1f800dcaa701b2b64e12a48f7438ae42","version":11},{"created_at":"2026-06-04T05:52:41Z","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":"2026-06-04T04:55:15Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 62.4→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":"342d259ad358b81d6695af4feac86796b3566149c8fc78cb99eb823af79e5115","version":9},{"created_at":"2026-06-04T04:55:15Z","element_count":20,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"22e68de32883fa1405ce347ef7df4eb3bbc51a8cd3cbdee6ba1d3fdca1c670a6","version":8}]}