{"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-py7txo2p","versions":[{"created_at":"2026-06-04T17:00:21Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.6->99.1)","saved_by":"editor","sha256":"8031800e08d89e01c42e4d2315446eb68ebe9c4892a140583001c5bab27b6436","version":11},{"created_at":"2026-06-04T05:54:55Z","element_count":70,"note":"GA diverse re-design 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":"b054168001b4876b81c350cde4d780dbcbe54c9168811fcc5e9c672c0eb961b9","version":10},{"created_at":"2026-06-04T04:59:36Z","element_count":72,"note":"GA batch-improve 2026-06-04: 総合 33.5→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":"96cf0582fd6207579c5f826536427f73e96693f081e17552d0c9b42b9af650ad","version":9},{"created_at":"2026-06-04T04:59:36Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"57172e465baf55cfc7e930ad3b31f3b86cf7dd26ef1d489c93682fb801aedd83","version":8}]}