{"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-k0ie1xx0","versions":[{"created_at":"2026-06-04T05:49:38Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 99.9→99.9 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.9 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"c39a6f47184e7acc7e4ecc8ba493e0258c0869f82a99ef5c0d7669b2085ccd64","version":10},{"created_at":"2026-06-04T04:52:58Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 73.1→99.9 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.9 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"7e8eca294ef6064ca9f150f660714784084cd038df02b586297bf53ee129a961","version":9},{"created_at":"2026-06-04T04:52:58Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"fd5a633b95fa70a129fb99766ffdcb42313726b530312886a12184762f3bafe7","version":8}]}