{"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-05kh5v8k","versions":[{"created_at":"2026-06-04T17:00:48Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (91.0->96.2)","saved_by":"editor","sha256":"46ed8b3f503229a256f0be92800b6ea02250265c51d0911dc2647c9779d68f81","version":12},{"created_at":"2026-06-04T06:04:30Z","element_count":70,"note":"GA diverse final 2026-06-04: 総合 88.8→91.0 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 91.0 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"545a725fc9589050f9b0b24d15aed4511d9735138bb9dc933a6f8ff93cb4947c","version":11},{"created_at":"2026-06-04T05:56:14Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 90.3→88.8 (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 88.8 (美 96 環 98 楽 91))","saved_by":"editor","sha256":"567371ca9d1f79498b2371d96a6044eb0941b3b011b0e3a2a5543d31c37b3541","version":10},{"created_at":"2026-06-04T04:54:42Z","element_count":72,"note":"GA batch-improve 2026-06-04: 総合 65.6→90.3 (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 90.3 (美 94 環 98 楽 100))","saved_by":"editor","sha256":"7c8a1874ce5d4a90a461da601bec10bb67e4d48424f00e9c80e03d105aafc0b9","version":9},{"created_at":"2026-06-04T04:54:42Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"4552a381652979a9aa98b2b66d3e4fcefc27b79608576e3531b5ff055662fcfa","version":8}]}