{"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-noborigama-of90s3j9","versions":[{"created_at":"2026-06-04T05:53:23Z","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":"2026-06-04T04:58:46Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 39.6→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":"0483d604dbccba3b0af575acd5266ccec5bca3eeee5598b863ddbc2e46da3f39","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":"c8fe35d18ee82c08fa04e059400e9bba0280efb91b724aeceeeddf5436f8016b","version":8}]}