{"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-uhfamk88","versions":[{"created_at":"2026-06-04T07:22:28Z","element_count":70,"note":"GA polish 2026-06-04: 総合 91.9→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":"2ed86bb0546990f55e66e50afb4d4199c46391812b382d98a66c7774ea4ac5cf","version":11},{"created_at":"2026-06-04T05:52:34Z","element_count":54,"note":"GA diverse re-design 2026-06-04: 総合 94.6→91.9 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 南面サンルーム / 適応度 91.9 (美 96 環 100 楽 91))","saved_by":"editor","sha256":"060a891fe6cabb43459f46f4a0439ee6680a7904a1c290cf18f0d53ab0568349","version":10},{"created_at":"2026-06-04T04:56:31Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 54.1→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":"ecac66c5b41a2d45c4c75665356aa85dbc45e284d2afc2b81f55d92c07a4a1c7","version":9},{"created_at":"2026-06-04T04:56:31Z","element_count":24,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"8e249f1c4ba92d4d8dca0263211434305b21a8463f85d6ae724229ea7dd0c5d2","version":8}]}