{"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-r3fytomf","versions":[{"created_at":"2026-06-04T17:01:22Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (92.4->99.5)","saved_by":"editor","sha256":"f2eace12fe65ac1d5c0453329a1138d028aee65c3eecfd585121a6e510543a9a","version":12},{"created_at":"2026-06-04T07:22:31Z","element_count":55,"note":"GA polish 2026-06-04: 総合 90.4→92.4 (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 92.4 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"ddfda5960cee6fbc833eddba43fa506a24691e14335be2838c6189075840e562","version":11},{"created_at":"2026-06-04T05:53:11Z","element_count":53,"note":"GA diverse re-design 2026-06-04: 総合 94.6→90.4 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 90.4 (美 93 環 100 楽 91))","saved_by":"editor","sha256":"f40d5073a5e2207f9a442b0c22492fa1d9dbf659950c3c1e05f106561bf04cb6","version":10},{"created_at":"2026-06-04T04:52:40Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 75.0→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":"0ba3bb7b7b7f6ec97461350c6f9cc1323fe16653e7947e3a7197a640e6354ae1","version":9},{"created_at":"2026-06-04T04:52:40Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"72e9128f769b8893073434be7201929ab23789522710c5ff1fc56f426df44589","version":8}]}