{"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-g0-d5dyufic","versions":[{"created_at":"2026-06-04T05:51:39Z","element_count":99,"note":"GA diverse re-design 2026-06-04: 総合 97.9→99.4 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 99.4 (美 99 環 100 楽 100))","saved_by":"editor","sha256":"219e24048eb8f95ea8dfb8f4b121ed82b095fedbcde99e8c138fbadc44aad02d","version":4},{"created_at":"2026-06-04T04:54:10Z","element_count":102,"note":"GA batch-improve 2026-06-04: 総合 67.2→97.9 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 97.9 (美 95 環 100 楽 100))","saved_by":"editor","sha256":"a6748602a7968ab02397dae18f49cdd3733cce7bb11576bd4a623db4d944915d","version":3},{"created_at":"2026-06-04T04:54:10Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"0994014da72971578f48534bf14099da4291270b18918e5ecaaed92dcef4033a","version":2}]}