{"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-jmf3vnkw","versions":[{"created_at":"2026-06-04T17:01:23Z","element_count":77,"note":"polish: batch-improve-100 2026-06-04 (92.2->96.5)","saved_by":"editor","sha256":"7e35b2acf7f1f2e4b059f607d9566b3a8519df21f4d019e9ccd3940919ee1435","version":11},{"created_at":"2026-06-04T05:55:51Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 92.2→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":"5c0f01e91c87217a931c81c3b51769a2fc97766a41d12906c7d32df3d62dc5d4","version":10},{"created_at":"2026-06-04T04:58:29Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 43.6→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":"5c03cdef96ef4c93ffde78eb1ce7cf456926252b59fd8720863c42bb63eebe70","version":9},{"created_at":"2026-06-04T04:58:29Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"c26c043a1533a5dda1b4e84cd6c499097e816246d369d80211df5fa3b5542fa0","version":8}]}