{"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-zousho-sfdcujy7","versions":[{"created_at":"2026-06-04T17:01:39Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (92.4->99.7)","saved_by":"editor","sha256":"02ddb64cec7ea58f459cdbcea931034061d1fb1e610faff2949dc27aab078c78","version":11},{"created_at":"2026-06-04T05:53:22Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 94.6→92.4 (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 92.4 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"fe5fd66a2ccd61d7f5d45640df7b6ff66e6bfa807ffa24ab42aa71b328b53b2c","version":10},{"created_at":"2026-06-04T04:53:36Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 69.8→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":"63b3c1737028913a18ab3e05c5f2a5cb43f87d5aef1718112a83700a9f1c82e8","version":9},{"created_at":"2026-06-04T04:53:36Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"a4fcdea5d6e546f206bd07c62ff9e34daba7ab517cee41b6b242b9bc8d1857e7","version":8}]}