{"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-ofogvcvn","versions":[{"created_at":"2026-06-04T16:59:46Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (92.6->97.3)","saved_by":"editor","sha256":"926d6760111730c7d9efc089ae5b7d47db86f98abc70a876c82bc402a53a53e6","version":11},{"created_at":"2026-06-04T05:56:07Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 90.7→92.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 92.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"64d830253514ee06f57dd0e84b39ac718daf8948c499e1603e6b6271a09b2af9","version":10},{"created_at":"2026-06-04T04:53:48Z","element_count":72,"note":"GA batch-improve 2026-06-04: 総合 68.7→90.7 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 90.7 (美 92 環 98 楽 100))","saved_by":"editor","sha256":"0785126e7957be15d1ba13d8d7cd705df724d8ecd7be846abe14c05dc060631e","version":9},{"created_at":"2026-06-04T04:53:48Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"aa8b8b644ba33608f03ab1ca7e696e0cd8264bab02200b83a569e31e89e87304","version":8}]}