{"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-g2-phndsie1","versions":[{"created_at":"2026-06-04T05:52:31Z","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":"4025115d4f75a419a54fba8e0e1e36f13574bf25295fd8156579616b2c0d3b6f","version":4},{"created_at":"2026-06-04T04:59:04Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 38.5→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":"6529f53c757f2312872895af7bb817708d451e39a31e3716797ba2c999a3ddcf","version":3},{"created_at":"2026-06-04T04:59:04Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"0c24dec1c90631473148bb60e556526fb29812a1e2bd7158aeb10915bdb8781b","version":2}]}