{"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-2-xr998ojg","versions":[{"created_at":"2026-06-04T17:00:51Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (92.6->97.4)","saved_by":"editor","sha256":"559b16dfe65bf45bc0d4c0a72ef579b2b989440e2229ec2764750db3b753b09e","version":12},{"created_at":"2026-06-04T07:22:29Z","element_count":70,"note":"GA polish 2026-06-04: 総合 91.2→92.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 92.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"4b48d9afb26527bcf03ed01c8b8e1261716696c3153d9dddd83da10077b133f9","version":11},{"created_at":"2026-06-04T05:55:42Z","element_count":72,"note":"GA diverse re-design 2026-06-04: 総合 92.6→91.2 (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 91.2 (美 92 環 100 楽 100))","saved_by":"editor","sha256":"fb9014c574e795f51498c1a53653f2a53d9e849abd6db0b07fcc73c4cacbab0a","version":10},{"created_at":"2026-06-04T04:53:45Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 69.0→92.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 92.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"8ebeb3e5c07a1d8fc627043e283f2696121e7af74a6ee6600881e3a9ae88f5d4","version":9},{"created_at":"2026-06-04T04:53:45Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"4256784e653a83e51e72e60a740330a1226ada3a9c317b1e02bf1729c269d4be","version":8}]}