{"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-4jytyy4i","versions":[{"created_at":"2026-06-04T14:57:02Z","element_count":70,"note":"polish: batch-improve-100 2026-06-04 (93.6->94.6)","saved_by":"editor","sha256":"72ceaf94a481b20c1ea2a0d13873739966d4d50691dbc131e377a8774a5beb1b","version":11},{"created_at":"2026-06-04T05:53:02Z","element_count":72,"note":"GA diverse re-design 2026-06-04: 総合 94.6→93.6 (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 93.6 (美 93 環 100 楽 100))","saved_by":"editor","sha256":"5109e5a81830d52e316ef7b93837b96f5ce7f5cea19ff71c49a8378473e04b4a","version":10},{"created_at":"2026-06-04T04:59:35Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 34.3→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"fe5641168a1efa586f29df3cc4127e114d3dc3029643c09f46dcf6608f3b30a7","version":9},{"created_at":"2026-06-04T04:59:35Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"cd84c4965018f4f413f419479fd5244f1192cd101aa93f63569c540babb44c47","version":8}]}