{"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-m0xe1rri","versions":[{"created_at":"2026-06-04T17:01:22Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (92.4->100.0)","saved_by":"editor","sha256":"6ccde64badd6668e894ef0998bb9feca222bce5e0570bc3539c96a74b8c3c3f8","version":11},{"created_at":"2026-06-04T05:53:10Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 94.6→92.4 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 92.4 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"7f3e5869187202e7c9edfb157792d0c0cb5ab157abfb781264ca2f3533158f20","version":10},{"created_at":"2026-06-04T04:55:51Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 59.1→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":"a2e038b82525f6eedbe03cee9e18e94443c4659657c5db4f70ccbda45647e753","version":9},{"created_at":"2026-06-04T04:55:50Z","element_count":24,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"f5a444797eabdbbfed7099eebb19f4e885b8b2b82c186e3f60d21d17b232545d","version":8}]}