{"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-g2-ak08asoe","versions":[{"created_at":"2026-06-04T17:01:04Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (95.8->96.8)","saved_by":"editor","sha256":"d383a78bba38a171b5ec5e5955d6cb8536500917a36a720a268e0870fc9db3ce","version":5},{"created_at":"2026-06-04T05:52:18Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 95.7→95.8 (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 95.8 (美 95 環 99 楽 91))","saved_by":"editor","sha256":"38bf00ddd2b718eef235bd12a93834d7985915151d0ba7fceb2c7f9186c2a987","version":4},{"created_at":"2026-06-04T04:54:38Z","element_count":71,"note":"GA batch-improve 2026-06-04: 総合 65.8→95.7 (総2階(箱)・吹抜 ピアノ室 PV 雨水 南面サンルーム / 適応度 95.7 (美 95 環 99 楽 91))","saved_by":"editor","sha256":"56ab4edf9b1ac77752a04704507ab9fcb19f5df55915dfe0f12af5aa66f791e2","version":3},{"created_at":"2026-06-04T04:54:38Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"fa72bfe544b8596eed83f6fae15c441c5a00a135c0745078c8a58425c0e4d193","version":2}]}