{"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-rrfk1cn3","versions":[{"created_at":"2026-06-04T17:01:18Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (90.3->99.3)","saved_by":"editor","sha256":"d8831418555cf156f22996faf16f71d1d050dbad55bcbf72c3f53903601e68d4","version":12},{"created_at":"2026-06-04T06:04:19Z","element_count":55,"note":"GA diverse final 2026-06-04: 総合 89.7→90.3 (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 90.3 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"3ba5bd2225d363be19f5a038081af44a57d8d959ce78333053900c905a71bf70","version":11},{"created_at":"2026-06-04T05:49:53Z","element_count":54,"note":"GA diverse re-design 2026-06-04: 総合 99.7→89.7 (総2階(箱)・吹抜 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 89.7 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"577450be15c2284239574722c6a43a36850bd3c2d1b3d5dabcbefafb0d196caf","version":10},{"created_at":"2026-06-04T04:59:20Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 36.9→99.7 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.7 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"278067b43d55eb2a3e5831ccf6fb414b849886a92212d48003f4904a1c288a18","version":9},{"created_at":"2026-06-04T04:59:20Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"f218f4f16346e45f5dca345a02badf00e79a26c42002bdb10c86095f32b30dc4","version":8}]}