{"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-jr6rw422","versions":[{"created_at":"2026-06-04T17:00:54Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (91.4->99.7)","saved_by":"editor","sha256":"1c6bcb2a33c0139d43c0bcd7b80476825be9191b3d09572bf2f13d05a108a83b","version":12},{"created_at":"2026-06-04T14:56:59Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (91.0->91.4)","saved_by":"editor","sha256":"c064444361a90930eb9ea2471018ba316628b595671304d7c7efe7c5c13a8fd0","version":11},{"created_at":"2026-06-04T05:55:20Z","element_count":54,"note":"GA diverse re-design 2026-06-04: 総合 93.3→91.0 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 南面サンルーム / 適応度 91.0 (美 96 環 100 楽 91))","saved_by":"editor","sha256":"3eb873129248b5ecec8317331cc9bf7165451823d0018e9b4ca45d2104ae78ea","version":10},{"created_at":"2026-06-04T04:57:26Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 47.0→93.3 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.3 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"21d9dc4f1e28608271e87ae59467746f5876759f44e39064c77e6fbbcf532528","version":9},{"created_at":"2026-06-04T04:57:26Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"026be6bd8e848ca5a4b153f9398618be174c3d7a98a06e6e9a7d5ed923375fb2","version":8}]}