{"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-fjel3m7p","versions":[{"created_at":"2026-06-04T17:01:11Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (90.1->98.5)","saved_by":"editor","sha256":"49106fd5fc9616b48d783644d7e3b672ad15c5368f32d90cd7589ed3c39e5b02","version":12},{"created_at":"2026-06-04T14:57:00Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (90.0->90.1)","saved_by":"editor","sha256":"8d350b2de17faa2a75b0b7eda587f5a4c92b6719952dc7b57054b4a27968165b","version":11},{"created_at":"2026-06-04T05:55:45Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 92.6→90.0 (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 90.0 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"7a5798075737dd64e885cf3be87f5d6a9b13e4358d588d8b72e10db45d65ce99","version":10},{"created_at":"2026-06-04T04:53:48Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 68.7→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":"91c0af94d9035fec4f95e7b69ffa07cf8eaf7c5e559385c55ebe5c87625dcc6d","version":9},{"created_at":"2026-06-04T04:53:48Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"0fe3bae55c3234589a497d302a8a25d5c0f61e8e38e402e9d3ac2eb4153ec7ff","version":8}]}