{"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-d6pt9bk2","versions":[{"created_at":"2026-06-04T05:50:24Z","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":"30af2ddae46ae4b0a768d34721250bcc7a8a660b71eeb3c823540763b20c43dc","version":10},{"created_at":"2026-06-04T04:54:14Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 67.0→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":"27626385086a9d11c5fed3625929f73abf617f69d8fbb4e5ff32789cab705040","version":9},{"created_at":"2026-06-04T04:54:14Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"a76f442c00052ad98a0ff7aebf88acf8d8c3d3fd6966eccb90dd74009facb4d3","version":8}]}