{"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-abj3ebnr","versions":[{"created_at":"2026-06-04T17:01:06Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.6->99.6)","saved_by":"editor","sha256":"38ba2928aa11f1be34ed9d6358e20e5d354449f2d03c0bc7ea0f74428e02b478","version":12},{"created_at":"2026-06-04T07:22:21Z","element_count":70,"note":"GA polish 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":"eeff456511193a6f93d63f2a85268e023f9b06d635694b73cd79c36760311990","version":11},{"created_at":"2026-06-04T05:54:55Z","element_count":72,"note":"GA diverse re-design 2026-06-04: 総合 93.6→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":"137bb0b93ff062d5f329bba88fb01e20bcbcc5a151bf0a6acf1d6b91cc8a69bf","version":10},{"created_at":"2026-06-04T04:55:46Z","element_count":72,"note":"GA batch-improve 2026-06-04: 総合 59.4→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":"8ca8f189fec4e7cf17150350fae74db3e4291c25a84b798a4df1639a67937865","version":9},{"created_at":"2026-06-04T04:55:46Z","element_count":24,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"8614a35a3c8ba4f244db489223beba638b6b73f8fb383f933ef8e16e45958d48","version":8}]}