{"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-pgxgot43","versions":[{"created_at":"2026-06-04T05:50:19Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 99.5→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":"bad56a5d2b822b04324610526c1c23ac3523e4db62e1dd5fb60d4d16dbdf8dad","version":10},{"created_at":"2026-06-04T04:57:24Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 47.1→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":"8fa5a47cb6773f9e5c6cd43c6061cf930b7fcec6caa6927119940240f8dd7fcd","version":9},{"created_at":"2026-06-04T04:57:24Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"d69a9b543e0922613544b1071631c39a7c9c49a632aca1027dd15dd680d91a9b","version":8}]}