{"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-1005b7tn","versions":[{"created_at":"2026-06-04T17:00:25Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (91.2->99.6)","saved_by":"editor","sha256":"ade7c5e6c2c4ec8896094a213d1962623ec136e7c57b4c646f912917956959a0","version":12},{"created_at":"2026-06-04T14:56:59Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (91.1->91.2)","saved_by":"editor","sha256":"56fd4957d9504340c3fc6426c1f2b66cb110e0c5f6b4c771f3b10c7a5b710279","version":11},{"created_at":"2026-06-04T05:55:49Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 92.3→91.1 (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 91.1 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"4b5759341d6394321acdb14678417fb053d9e6726b3883db02c590acbcb44a94","version":10},{"created_at":"2026-06-04T04:56:37Z","element_count":72,"note":"GA batch-improve 2026-06-04: 総合 52.2→92.3 (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 92.3 (美 93 環 100 楽 100))","saved_by":"editor","sha256":"42d61660fa19f4e476759dca98dfab814575ae2442cb3d7946926a6b8b28748d","version":9},{"created_at":"2026-06-04T04:56:37Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"e2025a3e4fccc64d993b976f8fab15558cc66e6aba4e6e91895b7adfa3083ec3","version":8}]}