{"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-fjkgn8co","versions":[{"created_at":"2026-06-04T17:00:38Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (93.5->100.0)","saved_by":"editor","sha256":"a52cb9f110f6aa2c5cc24a545be05efbf57a721410b6fe9c73cc0ec83a023ad0","version":12},{"created_at":"2026-06-04T14:56:49Z","element_count":70,"note":"polish: batch-improve-100 2026-06-04 (93.0->93.5)","saved_by":"editor","sha256":"14c0870ec04a2440e69dfcd944cedcd9509ee4d28a46ac0b09d3c1466ab87040","version":11},{"created_at":"2026-06-04T05:55:19Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 93.5→93.0 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.0 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"ac89d08525f96e7d5c9697e1d7be2de465bfc0afc73e1a2e597eb9d35b9f52ef","version":10},{"created_at":"2026-06-04T04:53:30Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 70.0→93.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"55b5ac1c5546d960ebe06f4928036c3eaec49797f92c7130a278f9557d8b5654","version":9},{"created_at":"2026-06-04T04:53:30Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"1fda697f8c65e9944dece3283584f88f05a504ab2e8c5138531adbbb7f9c7df8","version":8}]}