{"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-vso2yh8q","versions":[{"created_at":"2026-06-04T17:01:30Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (92.0->99.9)","saved_by":"editor","sha256":"6021dd77aa3ec11c62285e63aa4e9e2109ccc6e4a1f28585d0eab19e05826761","version":11},{"created_at":"2026-06-04T05:53:37Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 94.1→92.0 (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 92.0 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"d8985cb3dc4bcb6a9a5947d940db28b669185f1329785aa1e7d14504160673fc","version":10},{"created_at":"2026-06-04T04:53:37Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 69.8→94.1 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.1 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"6eb157e40603feb3ecaa7f56b4186696889632b2c984d6b6d1090a2795f83172","version":9},{"created_at":"2026-06-04T04:53:37Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"1e671c47bd7540553ac7cba599b12347f20435930bd851f374c5a75db63a2e36","version":8}]}