{"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-onshitsu-2vvehjmo","versions":[{"created_at":"2026-06-04T17:01:01Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (91.6->99.8)","saved_by":"editor","sha256":"2ed9f80536752e49e21ab4f61d40847724efe32c4ed366abc8b13e3f9195884f","version":11},{"created_at":"2026-06-04T05:55:36Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 92.8→91.6 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 91.6 (美 96 環 100 楽 91))","saved_by":"editor","sha256":"ae403d79d7862c4da2a037aa3dd022e59f8762e0f08a5ce043b02300ff3f257b","version":10},{"created_at":"2026-06-04T04:53:42Z","element_count":72,"note":"GA batch-improve 2026-06-04: 総合 69.0→92.8 (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 92.8 (美 94 環 100 楽 100))","saved_by":"editor","sha256":"876b3bce6dcec33f3a7424d2ff04c1508642e897f421b722eea5d89b0679b4ed","version":9},{"created_at":"2026-06-04T04:53:42Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"605baf7ed461ed8d7b712802fe66e0ad3cfda00ea3a61c6048c9eb67c5ab2556","version":8}]}