{"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-ethvuu9b","versions":[{"created_at":"2026-06-04T17:01:01Z","element_count":60,"note":"polish: batch-improve-100 2026-06-04 (92.2->94.1)","saved_by":"editor","sha256":"8cdf698ce196d9231eebdf5d66f2f590e025198a410508d2f4c1bac963eb7c76","version":12},{"created_at":"2026-06-04T06:04:27Z","element_count":70,"note":"GA diverse final 2026-06-04: 総合 89.2→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":"c2258904356d304ee0bcf2d86854c869e8909cb7fd4a5421a17fa766dbf32bb7","version":11},{"created_at":"2026-06-04T05:55:52Z","element_count":54,"note":"GA diverse re-design 2026-06-04: 総合 92.2→89.2 (総2階(箱)・吹抜 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 89.2 (美 94 環 98 楽 91))","saved_by":"editor","sha256":"69f37e7855646bd4b545932b6c51cce4e2519cc6a855a8d663bc1438c8efdbff","version":10},{"created_at":"2026-06-04T04:57:37Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 46.5→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":"28e1e42c2a0ba5260a445b2407f9c9eb9aa00c8aeb4703655f06157ee3aedcb6","version":9},{"created_at":"2026-06-04T04:57:37Z","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}]}