{"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-o7b6enpf","versions":[{"created_at":"2026-06-04T06:04:34Z","element_count":98,"note":"GA diverse final 2026-06-04: 総合 88.3→98.4 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 98.4 (美 100 環 95 楽 100))","saved_by":"editor","sha256":"758a6a935df8d5179937b0d97004d6a6495e06b0bee0066076120e830db313d1","version":11},{"created_at":"2026-06-04T05:51:26Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 98.4→88.3 (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 88.3 (美 94 環 91 楽 91))","saved_by":"editor","sha256":"8e7cf522d9eb39919a07ffa8c2e8b0760afe9bafa5b26647de218157e0e40b40","version":10},{"created_at":"2026-06-04T04:53:00Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 72.8→98.4 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 98.4 (美 100 環 95 楽 100))","saved_by":"editor","sha256":"cc0da4e901caf45cc76501ebea489fe1bf63e7f88fa15a050ef5e7543f8aae47","version":9},{"created_at":"2026-06-04T04:53:00Z","element_count":66,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"f818fae2691a32e9e678398f5e7089151ac835aa8e4d2dee00166c0c5d38e9fd","version":8}]}