{"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-9votuhg6","versions":[{"created_at":"2026-06-04T07:22:22Z","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":"1f640667a1a4803c1566ca1c7be65660466d051b5e1644c710188caefc1f0470","version":11},{"created_at":"2026-06-04T05:53:17Z","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":"e00f8788e710100aab248624d15d7eb888f1e698dbefe4a21281547527a5ae3f","version":10},{"created_at":"2026-06-04T04:56:06Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 57.6→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":"a2e7db2ac33c3262097b37af948d798b77b3c283b05fca8789f76e75af85c4b1","version":9},{"created_at":"2026-06-04T04:56:06Z","element_count":24,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"82640c283b481fb2ec4b54dc7a7c1d15a4a9155149d873834d64054eb0925081","version":8}]}