{"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-9tbeidzh","versions":[{"created_at":"2026-06-04T17:01:36Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.1->99.3)","saved_by":"editor","sha256":"009af346ce961bfaa43427bd7455dca31105812c6943eba10f2131a5c53500bd","version":11},{"created_at":"2026-06-04T05:53:39Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 94.1→94.1 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.1 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"186bbe295fc7f61e10b19ea9cdf20b9dab216cf8a26e89cafc5d5ab2aa20ce74","version":10},{"created_at":"2026-06-04T04:54:44Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 65.5→94.1 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.1 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"b36df1bef2eb50556702ff67ade47ac27f76896b42f05f1d8fa0006174f8c83d","version":9},{"created_at":"2026-06-04T04:54:44Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"8ab46ebce8ca1a1efdb78f4e2e47e89782a71fa609b20ded0c2463f0cde8276f","version":8}]}