{"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-g4ldk-i8uxb6q5","versions":[{"created_at":"2026-06-04T17:01:14Z","element_count":56,"note":"polish: batch-improve-100 2026-06-04 (93.4->93.6)","saved_by":"editor","sha256":"6f00dab303193644cde9cfe26ad4675c525f6713477ec0286c69eab606d291b9","version":5},{"created_at":"2026-06-04T05:55:19Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 93.4→93.4 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.4 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"e757208e0f6c9c25461dfc8232b70617cd341d30496c76707a8ff382525b1a70","version":4},{"created_at":"2026-06-04T04:59:11Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 38.0→93.4 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.4 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"e82ef092c41a7166255179168f67ee6aedee8abc7d08ba07a8e4641d30595c12","version":3},{"created_at":"2026-06-04T04:59:11Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"e95eb790cf1ac492f43d4554fb8b2e31d73b7f9f3bafcd15590479bd49c26c96","version":2}]}