{"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-jxqz0tqg","versions":[{"created_at":"2026-06-04T05:55:06Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 93.6→93.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"f27e6a7ad7698ac6c94bf80423dba2ed4a835a5a1caecdb971243ad5537e6c91","version":10},{"created_at":"2026-06-04T04:54:04Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 67.6→93.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"a9ce3214f421415209a2ab66bfaee376e6d3de9e7ac18ea29318e2533a366c61","version":9},{"created_at":"2026-06-04T04:54:04Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"4fe3d5535cb64cc16f180e344b4fa9969942f3e27156b837d7a305ceffcfe827","version":8}]}