{"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-g1-lyhewbuw","versions":[{"created_at":"2026-06-04T17:00:15Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (91.6->99.8)","saved_by":"editor","sha256":"266e6b399ace51dda3b0a5b46f9ddf8d17fd1ca2172cbf973aececdf4cb7d1f3","version":6},{"created_at":"2026-06-04T14:56:46Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (91.4->91.6)","saved_by":"editor","sha256":"48f25f1e0a75d3a8bcf9bcd517836f595c7547018c8a4a30594c0a70ce770e38","version":5},{"created_at":"2026-06-04T05:55:01Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 93.6→91.4 (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 91.4 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"a882c13d5381387c2468846d5f448581a3b10979dc6784f772e43b8689fb55a2","version":4},{"created_at":"2026-06-04T04:56:15Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 56.6→93.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"06d3620000ca064cde6842f380313beda9c7e5d6806b68a3485d7e965fdef18b","version":3},{"created_at":"2026-06-04T04:56:15Z","element_count":24,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"4d8e5685017c04e09c5316dea04fe1e47a1ee13db27154cce384855bf439dd36","version":2}]}