{"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-g5yu3wqx","versions":[{"created_at":"2026-06-04T17:01:09Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (92.0->100.0)","saved_by":"editor","sha256":"2e1944d3645c00453ba4313b7c8fe0e56aaccadaa27ea34cc6edcec8992478b0","version":12},{"created_at":"2026-06-04T14:56:50Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (91.9->92.0)","saved_by":"editor","sha256":"2d2fc8b973efa75edfe0b8c9e5d8a404e8ba8ab2a36e27226c04fc18f58cdf63","version":11},{"created_at":"2026-06-04T05:53:46Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 94.0→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":"f6a7f48fc311f818e4ff1dbe261a7cc6836ef96227154a44f2dd186f4a750f80","version":10},{"created_at":"2026-06-04T04:57:11Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 48.0→94.0 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.0 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"f0c831463c4573b809b0c4c4ce71669f3e80bc314c8e2be5375585c79743f242","version":9},{"created_at":"2026-06-04T04:57:11Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"bc238c43e06313c3b2a3fb88cf7b7b0f1f732ecdab7bfd4aa160096a7a0aad1c","version":8}]}