{"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-axq5bgb1","versions":[{"created_at":"2026-06-04T07:22:20Z","element_count":70,"note":"GA polish 2026-06-04: 総合 93.6→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":"c80f910dbbdf3a0bd88449a34d1d845d67789c2b918efa761e7f332fb2d06a98","version":11},{"created_at":"2026-06-04T05:54:53Z","element_count":72,"note":"GA diverse re-design 2026-06-04: 総合 93.6→93.6 (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 93.6 (美 93 環 100 楽 100))","saved_by":"editor","sha256":"a16d09e38ceb9e38847a42acc6e06ff9b6f08af3404dcf042a17c7abf50f8bcb","version":10},{"created_at":"2026-06-04T04:57:20Z","element_count":72,"note":"GA batch-improve 2026-06-04: 総合 47.5→93.6 (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 93.6 (美 93 環 100 楽 100))","saved_by":"editor","sha256":"68c1544256a62db9ac39f3930d476ba30837f1aaf158ea63eba5163988f46b34","version":9},{"created_at":"2026-06-04T04:57:20Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"2878af357213c8d4d3fc579d330425d17644851f4a747fcd7d6c3a9c69da85c9","version":8}]}