{"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-7lr0wy72","versions":[{"created_at":"2026-06-04T07:22:32Z","element_count":98,"note":"GA polish 2026-06-04: 総合 90.1→99.8 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.8 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"a37f04e8967fcf61d53222f619caa2077e29b69b9b87ae5c1e981bde35dee85f","version":11},{"created_at":"2026-06-04T05:50:54Z","element_count":97,"note":"GA diverse re-design 2026-06-04: 総合 99.4→90.1 (中庭ロの字・吹抜 ピアノ室 PV 雨水 / 適応度 90.1 (美 87 環 100 楽 80))","saved_by":"editor","sha256":"7b88427c1fa277b2e699b469b65d7db76b1a441b53b71beb9f11baa7066c7f4e","version":10},{"created_at":"2026-06-04T04:54:14Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 66.9→99.4 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.4 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"2873a76573e9a0a30933f858bd503f083ab8a5aa29ce7552aedce18c5a8d9b26","version":9},{"created_at":"2026-06-04T04:54:14Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"faf018136568dacd414edac98cfe76e26f0cacf35529b5cbc0ffa409c5d47e08","version":8}]}