{"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-iy1bv3i7","versions":[{"created_at":"2026-06-04T17:01:20Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.1->99.3)","saved_by":"editor","sha256":"56563812f645de83f196ec7ae8c96037302b778cca3bc110769cc5fc8f4575e8","version":11},{"created_at":"2026-06-04T05:54:42Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 93.6→94.1 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.1 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"d749ffecad413ce072eea0d92a9d371f8e04590dc8d0aff0fd21fb17787053a7","version":10},{"created_at":"2026-06-04T04:56:01Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 58.1→93.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.6 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"57b38e71ad1e6982aa0ace6c59108f13e52a5bdfbef1e665f3c8abd890ccac3b","version":9},{"created_at":"2026-06-04T04:56:01Z","element_count":24,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"933b8e9501ae7bfd86611943d13f65288720cba7dfed95ea93adc1b73ef9f5e5","version":8}]}