{"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-engawahousefinalkenn-9xppv6s4","versions":[{"created_at":"2026-06-06T19:47:44Z","element_count":55,"note":"GA night 2026-06-07 R1: 総合 90.5→90.6","saved_by":"editor","sha256":"589ab3a900682648c454bf02dedbe0a65ca517bd7278fbc4a345ea2b10caeb1d","version":5},{"created_at":"2026-06-04T05:56:18Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 90.1→90.5 (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 90.5 (美 96 環 100 楽 91))","saved_by":"editor","sha256":"e1d8e4fe0421893f3f1622c0cedf902f8fffab1e62f6e250e6294b1ce398b42f","version":4},{"created_at":"2026-06-04T04:56:54Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 49.4→90.1 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 / 適応度 90.1 (美 87 環 100 楽 80))","saved_by":"editor","sha256":"46bc55a0d16875e1706256708138d5574dcf245c45d1e4c3a5e61febde8f9476","version":3},{"created_at":"2026-06-04T04:56:54Z","element_count":37,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"cff51193354c21388542124ddd0b1c02e7402da010451a49c4b54444f434a374","version":2}]}