{"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-kq9zyraf","versions":[{"created_at":"2026-06-04T16:59:33Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (92.4->100.0)","saved_by":"editor","sha256":"aebc5329b8d9c5d474da13b339dff1dccfc80e680fab59282d498c8629f76120","version":11},{"created_at":"2026-06-04T05:54:53Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 93.6→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":"6c0ba4d082c976ebec8e582a63156f10b99a1caf715b27b86c40773f7bbb3bb8","version":10},{"created_at":"2026-06-04T04:56:32Z","element_count":72,"note":"GA batch-improve 2026-06-04: 総合 53.6→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":"3bdc024fa5a8a4efe574a0bac455635b68e5312b17301413882761d479f5b93e","version":9},{"created_at":"2026-06-04T04:56:32Z","element_count":24,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"94819f56bd4dc3d202a98ea61f7a79b4c383ffa7dde4452c04d92a7127778c09","version":8}]}