{"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-3u2esjgu","versions":[{"created_at":"2026-06-04T07:22:07Z","element_count":99,"note":"GA polish 2026-06-04: 総合 97.3→99.8 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 99.8 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"57668ab103180cf9561d1bf8e436d0067a688ea01dfe6a0ee5a62d1a68dfcd19","version":11},{"created_at":"2026-06-04T05:51:59Z","element_count":102,"note":"GA diverse re-design 2026-06-04: 総合 97.3→97.3 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 97.3 (美 92 環 100 楽 100))","saved_by":"editor","sha256":"08b8062e0f7d95e1264ab0c1106839052c1ca38261fb0a7c76afc633bbbb6527","version":10},{"created_at":"2026-06-04T04:54:28Z","element_count":102,"note":"GA batch-improve 2026-06-04: 総合 66.2→97.3 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 97.3 (美 92 環 100 楽 100))","saved_by":"editor","sha256":"90ae6094c36d8fd8494f6407128fadd3cf7d596aca8597b365fe6ce0b4ddc4e7","version":9},{"created_at":"2026-06-04T04:54:28Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"7325d430dea271adbbdb98f10247080d8712deefe3ef2535163a8dea638b9a24","version":8}]}