{"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-wxw89gsn","versions":[{"created_at":"2026-06-04T05:51:34Z","element_count":99,"note":"GA diverse re-design 2026-06-04: 総合 98.1→98.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 98.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"1524d5b2d4133db2eb6423d8a736ed9d6b8f1e3a400c5ed0a9f0ab23a3ec6161","version":10},{"created_at":"2026-06-04T04:54:39Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 65.7→98.1 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 98.1 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"26a9e013d72550ec1a6e31351a1b7b748d46399dba67d05a8a0d95dee42e6f11","version":9},{"created_at":"2026-06-04T04:54:39Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"1b8a0358fb1a10c834ee60b82e0197e6bbe094d021beca116af0b0cecca3cb1f","version":8}]}