{"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-38jxfb2g","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":"7e7983d3af9deeaac688e0c52915fd3ce3f55a2c4466ddcc6c6a1d8c476f3c22","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":"58b2ce47ec7d695b08fbb831fc209fe391484f62beb941897ad944158dcd60d7","version":10},{"created_at":"2026-06-04T04:53:51Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 68.6→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":"9cecc0c7628e9a5a21ae99c416952594cc2de14b8cf8d90f500b1aae83486fca","version":9},{"created_at":"2026-06-04T04:53:51Z","element_count":66,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"b51aa00ed7ef0985458dfdfcd9aa562d75a36df8112daea70b8f59965c05199a","version":8}]}