{"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-2p620f6j","versions":[{"created_at":"2026-06-04T17:00:12Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (93.3->98.0)","saved_by":"editor","sha256":"c37e7f3469e878cd5fbafdb40d41f5521781aa4e473d3c856b97236d2d706725","version":12},{"created_at":"2026-06-04T07:22:28Z","element_count":70,"note":"GA polish 2026-06-04: 総合 92.1→93.3 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.3 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"8172b7164427cbed67572ad8b0f606860ceae3ed6d3daf29d9ea4730f2b9378e","version":11},{"created_at":"2026-06-04T05:55:22Z","element_count":72,"note":"GA diverse re-design 2026-06-04: 総合 93.3→92.1 (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 92.1 (美 92 環 100 楽 100))","saved_by":"editor","sha256":"12474020da37e41c2fac70c438413ef655b785854707ae7851bcfe5855ef4ac1","version":10},{"created_at":"2026-06-04T04:58:31Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 43.4→93.3 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.3 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"d4e775593a538028195e53b8fda1ee0bb6a448639648cb0f5a51969756cca7d0","version":9},{"created_at":"2026-06-04T04:58:31Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"ab1526dbf208560c2bc829e1e99562ed9a5ac8c512f0c00ea44d160565b33cd4","version":8}]}