{"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-2nqf2vt5","versions":[{"created_at":"2026-06-04T17:00:43Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.6->99.6)","saved_by":"editor","sha256":"38ba2928aa11f1be34ed9d6358e20e5d354449f2d03c0bc7ea0f74428e02b478","version":11},{"created_at":"2026-06-04T05:53:04Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 94.6→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":"4025115d4f75a419a54fba8e0e1e36f13574bf25295fd8156579616b2c0d3b6f","version":10},{"created_at":"2026-06-04T04:56:37Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 52.1→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":"a0f46184d7daf6b22c46f518761b141a450d3f904899871199ca7fdbf953e69f","version":9},{"created_at":"2026-06-04T04:56:37Z","element_count":17,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"12fade084b422bbaab9f563f1ad1ea24aff9f931d7f3446b31fda1a0687125cb","version":8}]}