{"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-reeilf8i","versions":[{"created_at":"2026-06-04T16:59:46Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (92.4->100.0)","saved_by":"editor","sha256":"3b760e91ccb6cdae630e43d90d6e0aa1e09b39249af4853b1b7412019c859146","version":12},{"created_at":"2026-06-04T14:56:54Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (92.1->92.4)","saved_by":"editor","sha256":"ed7e48cdbd055be9f806de4873da857d8ff1b33514df869c36a64e4d466c4f25","version":11},{"created_at":"2026-06-04T05:54:58Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 93.6→92.1 (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 92.1 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"fd33e39ac283e37dde96c6a5d3bb999f8e3fc02e567611eaa86820b20035f198","version":10},{"created_at":"2026-06-04T04:59:00Z","element_count":72,"note":"GA batch-improve 2026-06-04: 総合 38.8→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":"04762d7c53ff957243ea8a0e72de234cc571c342ab47da2aabc1212af3cbfbbe","version":9},{"created_at":"2026-06-04T04:59:00Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"56ad7d29d8bed672e91c4b5f04ad8dd39788520bb38ba2e74d228098149bdb3f","version":8}]}