{"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-w33v87p2","versions":[{"created_at":"2026-06-04T16:59:26Z","element_count":60,"note":"polish: batch-improve-100 2026-06-04 (91.6->93.5)","saved_by":"editor","sha256":"3b8f8313f06db81f9603597ca86155b1b58fd78c7cd128bf6936cff0049b0e5d","version":12},{"created_at":"2026-06-04T06:04:27Z","element_count":70,"note":"GA diverse final 2026-06-04: 総合 89.1→91.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 91.6 (美 100 環 95 楽 100))","saved_by":"editor","sha256":"b810d22bc7d90e6794d8394a16162114d1f1c17e48b1ba5fc697486a2c5c8232","version":11},{"created_at":"2026-06-04T05:56:00Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 91.6→89.1 (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 89.1 (美 94 環 95 楽 91))","saved_by":"editor","sha256":"ef42681e46fea01cad526916ba3b2ef298c188df95efcf15b38e51f7509a4a40","version":10},{"created_at":"2026-06-04T04:54:28Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 66.3→91.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 91.6 (美 100 環 95 楽 100))","saved_by":"editor","sha256":"2d2b2ed26edcbe85e87a82d6959a694dade37b7a7d41eee2df97a8e7672ba88c","version":9},{"created_at":"2026-06-04T04:54:28Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"f23a1699eeac05739d0d67136a3359bdec90b31377c02736444326651346bb1e","version":8}]}