{"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-f56v7axo","versions":[{"created_at":"2026-06-04T17:00:23Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (92.4->99.8)","saved_by":"editor","sha256":"cf91c1e2059eefd3539c426e5f340dd9e4baa86892f61507930c41555456aebd","version":12},{"created_at":"2026-06-04T14:57:06Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (92.3->92.4)","saved_by":"editor","sha256":"9fdcd565d520a80e390f025df13a9679fe992f664bdf6493164a2f6f34f307ff","version":11},{"created_at":"2026-06-04T05:52:43Z","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":"2b4185acc9711cf21b7faf62ef461e90c021d8806c7c363de853cf237351e52e","version":10},{"created_at":"2026-06-04T04:53:33Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 69.9→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":"4721caf37fea140a6d65eeeb130a19a0135913ef4a63735e7d52522bfa376248","version":9},{"created_at":"2026-06-04T04:53:33Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"29996aa3fd0c4a01221bc25d714d08e31737e59b41d9d78309d85befc03b0849","version":8}]}