{"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-6rcab4rj","versions":[{"created_at":"2026-06-04T06:04:22Z","element_count":98,"note":"GA diverse final 2026-06-04: 総合 89.5→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":"de08777f17de88584783d82ce9053313f6f38a0cee3e9fa3fb1088ac99a6ffaf","version":11},{"created_at":"2026-06-04T05:51:48Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 97.6→89.5 (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 89.5 (美 94 環 98 楽 91))","saved_by":"editor","sha256":"bc08e4c95539f4715850dd1f63383fdd7951200d212bc7a6556ec033c9198251","version":10},{"created_at":"2026-06-04T04:52:56Z","element_count":97,"note":"GA batch-improve 2026-06-04: 総合 73.3→97.6 (中庭ロの字・吹抜 ピアノ室 PV 天窓 / 適応度 97.6 (美 100 環 90 楽 100))","saved_by":"editor","sha256":"a44de7338d3106b87bf03daec402ee11f0133f6cb8f3c4b588276b5f8b297fcb","version":9},{"created_at":"2026-06-04T04:52:56Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"36c41b06e1c1023339d36669b44d7f578f6c3e2bbe9faf535099b9414adac28c","version":8}]}