{"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-aoa7jgil","versions":[{"created_at":"2026-06-04T17:01:33Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (90.3->95.2)","saved_by":"editor","sha256":"b3a4762eafe84bb0ec073bde9e9796e70a17c711e2c2ed3820a57d19dbc73484","version":11},{"created_at":"2026-06-04T05:56:15Z","element_count":69,"note":"GA diverse re-design 2026-06-04: 総合 90.3→90.3 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 90.3 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"0628166a9888c0309f829cd500269e530e7f213a8fe7028f1db0842479256f39","version":10},{"created_at":"2026-06-04T04:59:40Z","element_count":69,"note":"GA batch-improve 2026-06-04: 総合 19.2→90.3 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 90.3 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"c33307efc2337d02460ea09f86e51e2fb2f80a19f1ebf3afd8459bc2adc6f85f","version":9},{"created_at":"2026-06-04T04:59:40Z","element_count":41,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"a267a16fc1654c10632d2c1585510e03ec151c8163cf5595d027bb5e410e660a","version":8}]}