{"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-t28d1j7z","versions":[{"created_at":"2026-06-04T05:49:59Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 99.5→99.5 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"2e0ff70124b890f8e80c8705660097f5950de467524826a1344e5b4e876c4d7e","version":10},{"created_at":"2026-06-04T04:53:01Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 72.7→99.5 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"781a859cf67b9c73ef6cc01710e4d674b8592121aae4b43c0fe22957a4e263e2","version":9},{"created_at":"2026-06-04T04:53:01Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"8b5196839bb852c8821dc9e4c33f4f4b2727144566e73df04e7e1bf140dee95d","version":8}]}