{"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-5ywxij9r","versions":[{"created_at":"2026-06-04T17:00:47Z","element_count":61,"note":"polish: batch-improve-100 2026-06-04 (92.2->94.1)","saved_by":"editor","sha256":"493d187c92e2ef910d05a0bee698b97ef0f684b26782a1c33c9656774777e85a","version":12},{"created_at":"2026-06-04T06:04:36Z","element_count":70,"note":"GA diverse final 2026-06-04: 総合 88.1→92.2 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 92.2 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"d6858d41cb9c4819abd71639a15ec379c723036a30dba0fb2249a6fff2c0ffc1","version":11},{"created_at":"2026-06-04T05:55:50Z","element_count":53,"note":"GA diverse re-design 2026-06-04: 総合 92.2→88.1 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 88.1 (美 93 環 98 楽 91))","saved_by":"editor","sha256":"712d535eddcf2dc224b9a5ac65238f2b9c27f36ca450114af1e48e150c837336","version":10},{"created_at":"2026-06-04T04:56:07Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 57.5→92.2 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 92.2 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"e61f6baac7f3ab821ab9a48c7b168c7d2af1f497c47f98dcca6f82ef5dad5328","version":9},{"created_at":"2026-06-04T04:56:07Z","element_count":28,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"4cb8d763b57c5aa9e85b611e48439a472fa905f85eb1bee662533fd5992215f5","version":8}]}