{"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-house-q0lzsrxe","versions":[{"created_at":"2026-06-04T17:01:19Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.6->99.6)","saved_by":"editor","sha256":"38ba2928aa11f1be34ed9d6358e20e5d354449f2d03c0bc7ea0f74428e02b478","version":11},{"created_at":"2026-06-04T05:53:13Z","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":"cf6e0826d2c1b4772abef942c6d4fcdc7307cd96d99145b0f15a86a9fbae00c3","version":10},{"created_at":"2026-06-04T04:56:42Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 51.6→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":"b85e8e5ca800d2f5857984459ae1cd329c2a8d034fd99795dc38afd1c3a45115","version":9},{"created_at":"2026-06-04T04:56:42Z","element_count":16,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"b8f07279f65e2e66afc224c15f0dc2f17959f5ed646170610d63a56ed4c96e76","version":8}]}