{"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-06iensku","versions":[{"created_at":"2026-06-04T05:55:43Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 92.6→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":"1e157af19adb8dfa8707618ba0677062389528d42cbe8ff3118f3336441a7725","version":10},{"created_at":"2026-06-04T04:53:34Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 69.9→92.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 92.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"9c1192a81cbed17d3094f558dc3af1c626781b11af9aa40aa72aaa793179bcf1","version":9},{"created_at":"2026-06-04T04:53:34Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"6dd4eab03b6f5c3801177ef5210340fcbd53a8e23a1f2d5754c0e5f2ab913e66","version":8}]}