{"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-2-4rwo7upj","versions":[{"created_at":"2026-06-04T17:00:15Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (91.5->99.7)","saved_by":"editor","sha256":"d70a0fa42ec6b8b2ab2717ff21f063169ea2270ac218e1666d88320e19686916","version":12},{"created_at":"2026-06-04T14:56:55Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (91.4->91.5)","saved_by":"editor","sha256":"ede869e8c5bf638a2b6392ecd36d14ef2f7fc49a57c1c47de99f2e4573614ee1","version":11},{"created_at":"2026-06-04T05:53:55Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 93.7→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 94 環 100 楽 91))","saved_by":"editor","sha256":"83b80e154d560325f5cea2a7dd5434fd9b40f107441780b5576ae400f0d93b2f","version":10},{"created_at":"2026-06-04T04:58:25Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 44.0→93.7 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.7 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"ae2233b52a0d66d49a2f811c714e944c3fe42a8de4321cd0f825e3f9c7d2f0b1","version":9},{"created_at":"2026-06-04T04:58:25Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"74a47b2c226745c3a5ec74779b6a8e1f944c7c08f4f6787807cf96ce4d13de15","version":8}]}