{"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-rm1u5d3j","versions":[{"created_at":"2026-06-04T16:59:31Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (93.7->98.9)","saved_by":"editor","sha256":"ff9c6e771bd42890c752427f5b4ce0d2d0895d0c82fab87e87cb1da32ce3db06","version":11},{"created_at":"2026-06-04T05:54:00Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 93.7→93.7 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.7 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"f2a983a5fa1ec9ddbc8617790184777f6b75dd4c6f19c90fca3ba2ec26fdf4a9","version":10},{"created_at":"2026-06-04T04:58:46Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 39.3→93.7 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.7 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"98fc8708068d35add494c559933a8270aad1fcbf1ff9a5c063c1390d5cb70e02","version":9},{"created_at":"2026-06-04T04:58:46Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"ea0048ff0f3bb1cd165431491118600cc2ffc628c1821bd0688638e5e2a9de8a","version":8}]}