{"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-io6pc6ao","versions":[{"created_at":"2026-06-04T16:59:56Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (92.4->100.0)","saved_by":"editor","sha256":"d6d83b718df9c3f94728cd71f1547e1222726817722d5563c1dc765dc2d3e750","version":12},{"created_at":"2026-06-04T14:56:49Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (92.3->92.4)","saved_by":"editor","sha256":"7e13fbfda66d389ae28e7051a8d4646113268b1760d40d446a10f5eab050cf8c","version":11},{"created_at":"2026-06-04T05:53:16Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 94.6→92.3 (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 92.3 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"401bf2fac7629f5ee409ddb4dffa14f4edaf1c85f49406ac7c577cca2700084a","version":10},{"created_at":"2026-06-04T04:59:32Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 35.2→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":"0ae9cd12fb04a527d6b31b0ac023df59d3c5c78455cc2d607b735502e0a26b72","version":9},{"created_at":"2026-06-04T04:59:32Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"d9849bdc70c33f6ce4497d738e10f6a8c7a8143ede990b8f5846622c8778cae0","version":8}]}