{"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-oc6p7b9h","versions":[{"created_at":"2026-06-04T17:00:31Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (92.4->97.9)","saved_by":"editor","sha256":"69a86cfed6448a0f110ce17405387546602c0e9a586ceb745a1710badfdb00c9","version":12},{"created_at":"2026-06-04T06:04:22Z","element_count":70,"note":"GA diverse final 2026-06-04: 総合 89.5→92.4 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 92.4 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"e667b6ab60f0237abec3f3747f57edb5c2429ac9098d7a5f71c2cf24a625aba6","version":11},{"created_at":"2026-06-04T05:55:49Z","element_count":54,"note":"GA diverse re-design 2026-06-04: 総合 92.4→89.5 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 南面サンルーム / 適応度 89.5 (美 95 環 99 楽 91))","saved_by":"editor","sha256":"fefe47bda31e9321984a1995c1c1f650f7ce2d17b364c8cd6b4b8e7543da1526","version":10},{"created_at":"2026-06-04T04:57:42Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 46.3→92.4 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 92.4 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"04a777f6eb2748d680b8808b22d61b8c1060be7edd93329283e528ebdaca459f","version":9},{"created_at":"2026-06-04T04:57:42Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"12eb6deb481ffa906ce150f8512c80c99c412d5fa53ab5584f8a2ded54a51b9a","version":8}]}