{"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-2-2x4vor69","versions":[{"created_at":"2026-06-04T07:22:31Z","element_count":98,"note":"GA polish 2026-06-04: 総合 90.4→99.8 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.8 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"c139740f440a1fe67e63f251b3794a38747c7b2df0690c796f7e06aaf909e995","version":11},{"created_at":"2026-06-04T05:49:40Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 99.8→90.4 (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 90.4 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"7e4733e14d783411de97638bffa45e1d981b3d83d12fd557ce5b2d049d089314","version":10},{"created_at":"2026-06-04T04:54:10Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 67.2→99.8 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.8 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"d43ba2edf7d4b7538e288e8b966ac27766a23acf714cf07001dd55b39b703451","version":9},{"created_at":"2026-06-04T04:54:10Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"8d0510632b20230ffcf4e82df8f05f3909e90a608d83226dad5ebd7de24a5ff2","version":8}]}