{"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-2-9e1iypog","versions":[{"created_at":"2026-06-04T16:59:20Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.6->99.6)","saved_by":"editor","sha256":"38ba2928aa11f1be34ed9d6358e20e5d354449f2d03c0bc7ea0f74428e02b478","version":11},{"created_at":"2026-06-04T05:53:08Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 94.6→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":"faecb7707fbfa274a16c696adae99bd5f799eab7c092786772194f52d942a608","version":10},{"created_at":"2026-06-04T04:56:44Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 51.2→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":"18aca542f7e9b8b522e1c5ffcd000f3a54a1ddf10fc0002236625de7cbddeaf6","version":9},{"created_at":"2026-06-04T04:56:44Z","element_count":16,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"869bac525432b7036e88f5deb6fbc9027cee9f2c657d4094ddd739257f001d54","version":8}]}