{"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-1yrwmnuo","versions":[{"created_at":"2026-06-04T17:00:30Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (93.3->99.7)","saved_by":"editor","sha256":"37332b4e2dcf58ca2dcf92024815fef0747a644e822a40db2a6c2006ec3cbe62","version":11},{"created_at":"2026-06-04T05:55:20Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 93.3→93.3 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.3 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"0e26365cf39cfd44ec79fd9e1a4eb36cf80cb945236c4c5b61e4035b2c2db9aa","version":10},{"created_at":"2026-06-04T04:54:58Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 64.2→93.3 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.3 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"2e785553f541d3e368e34b2c964adc3f3233da684f0d1381db56eaa117717b5d","version":9},{"created_at":"2026-06-04T04:54:58Z","element_count":29,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"191cf140e301fa85be746266331934b4c0d7b84dd24570a672f468036b1b64a3","version":8}]}