{"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-5xspkab7","versions":[{"created_at":"2026-06-04T17:01:32Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (90.9->99.0)","saved_by":"editor","sha256":"bd17f402cfabbe74e8facfcbd87f237ec3ef0a5008a94134f5cc2f1102c2a166","version":11},{"created_at":"2026-06-04T05:49:42Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 99.8→90.9 (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 90.9 (美 96 環 100 楽 91))","saved_by":"editor","sha256":"cf0abda0e6300dbdcb64ec946086d41808ab6428380950fdcbdfabacd7b28b2b","version":10},{"created_at":"2026-06-04T04:55:12Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 62.6→99.8 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.8 (美 99 環 100 楽 100))","saved_by":"editor","sha256":"05600f0ef1b0e6c2fdbdf3843eeb37ade735544a7813952753e4b8cd9196107a","version":9},{"created_at":"2026-06-04T04:55:12Z","element_count":28,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"071ba41757f10582a03873ef15d54745d3c62615694097504c8381e30591618b","version":8}]}