{"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-2-o4wf9psm","versions":[{"created_at":"2026-06-04T07:22:25Z","element_count":70,"note":"GA polish 2026-06-04: 総合 93.0→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":"cc604535bae512bc652dc55343783120caf35d9b01702566cfdb47593cc3537c","version":11},{"created_at":"2026-06-04T05:55:33Z","element_count":72,"note":"GA diverse re-design 2026-06-04: 総合 93.0→93.0 (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 93.0 (美 93 環 100 楽 100))","saved_by":"editor","sha256":"412ae917199426ae8ae83f5ed439ed404d72379383e19619ee0f44c031c346a5","version":10},{"created_at":"2026-06-04T04:56:04Z","element_count":72,"note":"GA batch-improve 2026-06-04: 総合 57.9→93.0 (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 93.0 (美 93 環 100 楽 100))","saved_by":"editor","sha256":"a629aed3a00503228cb7b4fbbf795b68b90aed3ccd3afe98d4cc25fa741c288a","version":9},{"created_at":"2026-06-04T04:56:04Z","element_count":24,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"9e8ff56278e621cd11723354e07b09e68fc3d9fab2705fe342b3c9dbc7d98034","version":8}]}