{"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-1d25cl1c","versions":[{"created_at":"2026-06-04T16:59:44Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.1->99.3)","saved_by":"editor","sha256":"1ee2f7ba536513b8cafd459012b53a28e697ec1c2226c31b04813fe9cf1759ef","version":11},{"created_at":"2026-06-04T05:53:40Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 94.1→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":"bc0cc0c510ca58b17177d63f3bcb3630c4ebac3371a8bb1bc5b5f834353730a1","version":10},{"created_at":"2026-06-04T04:54:53Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 64.9→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":"f6e84f82bbfd736e152119f8a05c6e7d3d7d409ca0004b349e4dd85ab1274894","version":9},{"created_at":"2026-06-04T04:54:53Z","element_count":29,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"d3eadff555507f1a59b86570e6172fc3f31b20a50353d7eaaeae18cb4b03961b","version":8}]}