{"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-i2vv1jvc","versions":[{"created_at":"2026-06-04T05:49:52Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 99.7→99.7 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.7 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"cd30687d9f3105e3bb94117255ba0b8a94194f0b1a13bd553381dade988ab5d2","version":10},{"created_at":"2026-06-04T04:56:51Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 49.8→99.7 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.7 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"4eebad866c8d072da201d77e54d1a1b9bbbc95c12e76e9ad603f2ebcedae9f88","version":9},{"created_at":"2026-06-04T04:56:51Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"0b890a1dce621e311783bb137b982e91a3aa60df1a11e0a5a9dbbde67efaaaaf","version":8}]}