{"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-zkjz6kta","versions":[{"created_at":"2026-06-04T17:00:19Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.6->99.6)","saved_by":"editor","sha256":"c4d84024516abab8ddd439fb0de0da574d14c761607362ebc8b9c7e460a09d32","version":11},{"created_at":"2026-06-04T05:52:38Z","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":"2026-06-04T04:59:08Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 38.2→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":"ba7dfeecbef1001677d52b447e016b6cb26a76290dc481b1c5bdfdda3709d7ff","version":9},{"created_at":"2026-06-04T04:59:08Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"42bf541b9e1866fc86c52419980df8a9d6ec3096da7de02f5a05f86e425b4f0d","version":8}]}