{"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-fiqf9zgq","versions":[{"created_at":"2026-06-04T17:00:50Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.6->99.6)","saved_by":"editor","sha256":"2f728e60a83f4a1e47ce51b434545d39325093471ff2a55103afd5bc8818d7c2","version":11},{"created_at":"2026-06-04T05:52:36Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 94.6→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":"05a23daa68d335f0be88a820fd6ee950b9fc80fe6da8e43f6e28f0f954737f0c","version":10},{"created_at":"2026-06-04T04:56:29Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 54.2→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":"7d0277c17d794c5262cf7d60e7728146774db16c7db241401ddaaa452092e4ec","version":9},{"created_at":"2026-06-04T04:56:29Z","element_count":24,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"0f85bc3f68f38e67bcad6f0cb2912be63f27a9d2d189775801e84cd5adbd4d22","version":8}]}