{"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-2pcytqn4","versions":[{"created_at":"2026-06-04T05:50:39Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 99.5→99.5 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"a136c920262925e9eace7f240329b875a97969d02d169e6178de1b12f0397e4d","version":10},{"created_at":"2026-06-04T04:57:22Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 47.4→99.5 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"45adc28dce30ac859b4cd85e2d52dff7e7a16db64ae3289ec431bfc2babe8498","version":9},{"created_at":"2026-06-04T04:57:21Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"9023176f6300d2747110a9d9a625c388601b2027a2123625caee7c4672b3f12d","version":8}]}