{"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-czmy4h90","versions":[{"created_at":"2026-06-04T17:00:54Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (91.9->99.9)","saved_by":"editor","sha256":"082a00b39a6fb45e9fdc90a5b01d3aed7ac96ae2112e129a60541f0a1fa98dda","version":11},{"created_at":"2026-06-04T05:53:43Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 94.1→91.9 (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 91.9 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"3e1da67f4643bea05d7f2d4c73a56c4bcc598044db5cdf7c4c642142ae8e2b6b","version":10},{"created_at":"2026-06-04T04:55:41Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 59.8→94.1 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.1 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"127b0c6963277dab9d538c861ad13174c3ad471b1a27ee41f85d48563dbd7ff3","version":9},{"created_at":"2026-06-04T04:55:41Z","element_count":20,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"c0fa7745f6b61007ea48ecc16eae5910e7d1f273f873f4d9aa5e4313ffc341ca","version":8}]}