{"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-q0k5a48c","versions":[{"created_at":"2026-06-04T14:57:02Z","element_count":70,"note":"polish: batch-improve-100 2026-06-04 (94.2->94.6)","saved_by":"editor","sha256":"c5e7667588fde4a869296812b901b03e31c8c8090d0bb6086de334cdbac304dd","version":11},{"created_at":"2026-06-04T05:52:37Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 94.6→94.2 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.2 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"fa1e3a98517468f22d577cead07eca0ce36788a3f7f36ce994543e48d4b2d61d","version":10},{"created_at":"2026-06-04T04:56:40Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 52.0→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":"9d7dbea6d6946e7653f41d31ac2a4fa82c944e91f7b49042bddeda63a8f0966a","version":9},{"created_at":"2026-06-04T04:56:40Z","element_count":16,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"e8ff969def1f1ca00528275d961baccb819c1d810c654c8a4f25a6de25e78190","version":8}]}