{"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-aacnrp3o","versions":[{"created_at":"2026-06-04T16:59:21Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.1->99.3)","saved_by":"editor","sha256":"1ee2f7ba536513b8cafd459012b53a28e697ec1c2226c31b04813fe9cf1759ef","version":11},{"created_at":"2026-06-04T05:53:38Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 94.1→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":"6e82adfa990ca6d39f27273e435bdd21d897ecd9fbd8344cdee7aea1be7ce26e","version":10},{"created_at":"2026-06-04T04:54:49Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 65.2→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":"58c0524ce7b996c3ab6ad59068710fa3fd9d2cdeb6255048fac5610774841e73","version":9},{"created_at":"2026-06-04T04:54:49Z","element_count":29,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"245208ee24a72b13e1a0fb1654d471bf50d37972161b43f9b748de511a09fbc6","version":8}]}