{"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-0han7xmk","versions":[{"created_at":"2026-06-04T05:51:04Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 99.1→99.1 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.1 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"2964f406f6db6643abb718cde48ef60fc8da580c7527a30e1778a3e75d3a0c59","version":10},{"created_at":"2026-06-04T04:53:05Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 72.1→99.1 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.1 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"8f2c3f83f81f18ff72fa53d346fa7b7e4b6bab0079a5b4128f1cdd0cfb551df1","version":9},{"created_at":"2026-06-04T04:53:05Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"f2c40cbcd70f4615aed2db540e927f15e1e7df0b0f1d38710b14671143fef6c4","version":8}]}