{"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-qzqvssli","versions":[{"created_at":"2026-06-04T05:50:21Z","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":"965fd67aa589d8810a49c1ace965778d950767706725a76e9a7d7e2c69820c4f","version":10},{"created_at":"2026-06-04T04:52:58Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 73.2→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":"2707267eb8af5de6e412006b93389fe2568e49b83c3a58ec023b51f46fac8dfe","version":9},{"created_at":"2026-06-04T04:52:58Z","element_count":31,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"818ba127f45fd21787b2976b542db8ce63175d5a3b55457ab94a62d6f1eec802","version":8}]}