{"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-kvvzf2g1","versions":[{"created_at":"2026-06-04T06:04:23Z","element_count":99,"note":"GA diverse final 2026-06-04: 総合 89.5→99.3 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 99.3 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"ca692e22f39a1eec47dda130d1777417fd35dc69d33b727d57ec13cd03c86f84","version":11},{"created_at":"2026-06-04T05:50:57Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 99.3→89.5 (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 89.5 (美 95 環 99 楽 91))","saved_by":"editor","sha256":"c889b132ba5125cba95ad43bc3c857abdf66daf03b3a74b67f0403f4bb7c3c8d","version":10},{"created_at":"2026-06-04T04:55:32Z","element_count":99,"note":"GA batch-improve 2026-06-04: 総合 61.0→99.3 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 99.3 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"b4334f2999df81e50721a7a0306fd764866deb3628f673b7666dc1bc7ac1b68d","version":9},{"created_at":"2026-06-04T04:55:32Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"435535df0aa7bd9680849bd8c6e08d959f2278eb0d1a980d4b041b4c9f491cb7","version":8}]}