{"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-1qjvsvo8","versions":[{"created_at":"2026-06-04T16:59:22Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (92.6->98.8)","saved_by":"editor","sha256":"061a14a648b0a813dc40225a79edd329fd69b6756759944f5c6db13bf62188cf","version":11},{"created_at":"2026-06-04T05:55:40Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 92.6→92.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 92.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"2f1c341d1c67745af43a3c48cca05fbed5e732fa546effad2794f16d6daca7de","version":10},{"created_at":"2026-06-04T04:53:39Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 69.2→92.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 92.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"f45694f27564b4ea8c8fa1d5524a13cf7d6ac6771376799dac4e0323c5ab8e15","version":9},{"created_at":"2026-06-04T04:53:39Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"acb7cc7c3c0780000d5e70347eee278df7ccab3bbc851d0ca59e7371454d50ea","version":8}]}