{"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-haikou-net-l6jt7go4","versions":[{"created_at":"2026-06-04T17:00:19Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.6->99.6)","saved_by":"editor","sha256":"b61e311cb7f5d7c8e4474298d84d746b37b46a22f14d165b83d70e63dc35f828","version":5},{"created_at":"2026-06-04T05:52:25Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 94.6→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":"4025115d4f75a419a54fba8e0e1e36f13574bf25295fd8156579616b2c0d3b6f","version":4},{"created_at":"2026-06-04T04:59:34Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 34.7→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":"37f337aeb4ab1a67a47c4ae4e4b69a72432cc29f33104373a89644d4389def7f","version":3},{"created_at":"2026-06-04T04:59:34Z","element_count":11,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"7ec685f259d1241e742ee8b3cbfdb7b01f89bd75c5ad08d7fa32bb8537a86dd9","version":2}]}