{"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-psaaj6eq","versions":[{"created_at":"2026-06-04T05:51:32Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 98.2→99.8 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.8 (美 99 環 100 楽 100))","saved_by":"editor","sha256":"04d99d93e86083606c71a0913b5d493e7fca2a3dd26c28432622b6f819ff6be3","version":10},{"created_at":"2026-06-04T04:57:39Z","element_count":101,"note":"GA batch-improve 2026-06-04: 総合 46.4→98.2 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 98.2 (美 95 環 100 楽 100))","saved_by":"editor","sha256":"41503f5309b04f07f4f9fd7b898a6baeb968147f79024a77d086ed0de1d39503","version":9},{"created_at":"2026-06-04T04:57:39Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"e3443378df43942af25f4ece0d767089e700dfc5b992817713b172abb23febe5","version":8}]}