{"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-yr7va1j0","versions":[{"created_at":"2026-06-04T17:01:00Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (92.4->99.5)","saved_by":"editor","sha256":"a4ebacbc6457856ef1fff49f28370b4ad34686ba5dfa1e45d14b6ee1e8f00d51","version":11},{"created_at":"2026-06-04T05:52:42Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 94.6→92.4 (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 92.4 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"7b99c40f1ab7ef58fa4a64860ae1a3e5b84a73e174f7c4f517a91a571233d049","version":10},{"created_at":"2026-06-04T04:53:44Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 69.0→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"82ea9568ca24878afe5f42e1b0e1f822c4b61bd12b32c82a41d51989cd04c98e","version":9},{"created_at":"2026-06-04T04:53:44Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"f4c6453a071d0639a428d4a79538ee5f16b896de8c0f9ff5f69977299313d942","version":8}]}