{"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-xckavo2n","versions":[{"created_at":"2026-06-04T05:50:28Z","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":"2026-06-04T04:52:50Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 73.9→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":"9cfdf871d8357c576931369c216c9fce76ed5e8712ff4cc5487de8308f60a5ee","version":9},{"created_at":"2026-06-04T04:52:50Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"d289deea933c7daa7e7f61af78d3446ebdd1f94bb280d169de5e562f78556cc5","version":8}]}