{"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-mo44gyog","versions":[{"created_at":"2026-06-04T17:00:53Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (92.4->100.0)","saved_by":"editor","sha256":"ef79a6e75da7d1e3572559c812e67fc08e2b7252246d4cec5f24752300c31e63","version":11},{"created_at":"2026-06-04T05:53:19Z","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":"dcabc6de05080b1fcecc1259a223606ea970829b3261228de185e534169b53a1","version":10},{"created_at":"2026-06-04T04:55:11Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 62.8→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":"1fe7ae7854e7aab08dfd695622139dad23d19e246550bb4428225347da2dc106","version":9},{"created_at":"2026-06-04T04:55:11Z","element_count":20,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"53d643f6792d918af28f76e0187d7e68f7b971d91c3df89627409cf9be92ac64","version":8}]}