{"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-cwmebvja","versions":[{"created_at":"2026-06-04T17:01:20Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (94.6->100.0)","saved_by":"editor","sha256":"4039beb4b1088e2590acacd2ccb2e64727b2c9f3c5ba48a0d6e832af76367c7c","version":11},{"created_at":"2026-06-04T05:53:20Z","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":"b2814a93c5f5e21194a1c708466c916b8ad48293fabc50c8011cb87dbedcede1","version":10},{"created_at":"2026-06-04T04:56:38Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 52.1→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":"d110f449a45f4ebfac02e90841ddb58263e41e219cb4b7953bf58d4877ad03af","version":9},{"created_at":"2026-06-04T04:56:38Z","element_count":16,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"edc086281001f17f7b4ee21fcb769b4897c49f06ba469f2caa0bf81de6cf9884","version":8}]}