{"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-c79prj8v","versions":[{"created_at":"2026-06-04T07:22:18Z","element_count":70,"note":"GA polish 2026-06-04: 総合 93.6→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"0206066548648ebbc76e051f6da34e49e9bf64d4063cfd418dc6971ec501118b","version":11},{"created_at":"2026-06-04T05:52:48Z","element_count":72,"note":"GA diverse re-design 2026-06-04: 総合 94.6→93.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 93.6 (美 93 環 100 楽 100))","saved_by":"editor","sha256":"c3404142d66a354e1c1ae013afc61b8f1cdf88e8d346a19549eff75b152034a1","version":10},{"created_at":"2026-06-04T04:56:38Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 52.1→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"a0f46184d7daf6b22c46f518761b141a450d3f904899871199ca7fdbf953e69f","version":9},{"created_at":"2026-06-04T04:56:38Z","element_count":16,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"70ca81d7c4a83b275cf6ba4419d92c353702b10886699d4be095f6c655a7f808","version":8}]}