{"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-rltxamlm","versions":[{"created_at":"2026-06-04T17:01:18Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (90.1->98.3)","saved_by":"editor","sha256":"ded56434e80bac858ac125d6fce13743504861de253cc2399a486b09aafaf2e8","version":12},{"created_at":"2026-06-04T06:04:16Z","element_count":55,"note":"GA diverse final 2026-06-04: 総合 89.7→90.1 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 90.1 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"ea78db9d715de34f69d9f9e644479d0bc1aa084d17798399e165e89b175f148f","version":11},{"created_at":"2026-06-04T05:56:02Z","element_count":54,"note":"GA diverse re-design 2026-06-04: 総合 91.2→89.7 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 南面サンルーム / 適応度 89.7 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"402f0a64d42fdccc452f312c858d361024a8b267164431118f4e381d99d40303","version":10},{"created_at":"2026-06-04T04:57:34Z","element_count":72,"note":"GA batch-improve 2026-06-04: 総合 46.7→91.2 (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 91.2 (美 92 環 100 楽 100))","saved_by":"editor","sha256":"906f18119c3078c1e17b89bd1b62a107733be0e411571428150ae35672bcdf10","version":9},{"created_at":"2026-06-04T04:57:33Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"23f92bc80c21c58ce3ee2ff488c51a819d1cd27acc574f22cfd2a6d0d34ca394","version":8}]}