{"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-juad570l","versions":[{"created_at":"2026-06-04T05:52:11Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 96.8→96.8 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 96.8 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"3aab23f5fc701407af2d37263a8d5878875dc0d8a0abbf2d88c92d1a9b6214b7","version":10},{"created_at":"2026-06-04T04:59:39Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 21.5→96.8 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 96.8 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"045a7e5dbc50f67128360af1d9954335f65e1d4a0c6e25e1c9a05e4cc907983b","version":9},{"created_at":"2026-06-04T04:59:39Z","element_count":66,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"f468d692c1d6f3c18252f671a83b838eb2ad870534aa958a099151d4a1018569","version":8}]}