{"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-a50c9onv","versions":[{"created_at":"2026-06-04T17:00:33Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (91.0->99.5)","saved_by":"editor","sha256":"537116ca773346ad08c00879b42d0ee675d088c8e46bd83b2f8e48c7150ef313","version":12},{"created_at":"2026-06-04T06:04:20Z","element_count":55,"note":"GA diverse final 2026-06-04: 総合 89.6→91.0 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 91.0 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"1da3b3b577075e9b998bd4d6adfe853f945f4abdd21f67e97c7fc59062b6df38","version":11},{"created_at":"2026-06-04T05:55:23Z","element_count":53,"note":"GA diverse re-design 2026-06-04: 総合 93.3→89.6 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 南面サンルーム / 適応度 89.6 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"3d789878dda6bc7192ebc9f9e5f638b288b0d29ff5ede5d0662a119ad8ed68f7","version":10},{"created_at":"2026-06-04T04:57:29Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 46.9→93.3 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.3 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"e2dbe56cdafb18454741e1c9cfaa0e78d46e8952c15b3f27ae546be9b1932202","version":9},{"created_at":"2026-06-04T04:57:29Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"5e9993dd22688dd826ece7865132f097077bf2d64cb1e4e5d147e7e39ffd8be4","version":8}]}