{"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-vlkrvfaj","versions":[{"created_at":"2026-06-04T05:49:33Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 100.0→100.0 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 100.0 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"9f39970aa35ca9d01602102c980973bd0594efcda16d247e84b11e602a413d01","version":10},{"created_at":"2026-06-04T04:58:19Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 44.7→100.0 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 100.0 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"d68d3f7dc42860243d39c74236946956f172353c104bd1967fc23c5960f02b4c","version":9},{"created_at":"2026-06-04T04:58:19Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"776d5de1d8e5492bb01ccbd59062d03774d00743c28f22304056744029ac9852","version":8}]}