{"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-6ajpclmf","versions":[{"created_at":"2026-06-04T07:22:11Z","element_count":99,"note":"GA polish 2026-06-04: 総合 96.9→98.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 98.5 (美 99 環 99 楽 100))","saved_by":"editor","sha256":"3c58dc1a8b90395091294c5ed8130e5917f2e9ba5e89e8eca7590e3c3355b06b","version":11},{"created_at":"2026-06-04T05:51:25Z","element_count":102,"note":"GA diverse re-design 2026-06-04: 総合 98.5→96.9 (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 96.9 (美 94 環 99 楽 100))","saved_by":"editor","sha256":"6548518d42b9f0d8baa40c5def2cd9a4c0f1b6a4f67b2eb06cd64a457770c3c2","version":10},{"created_at":"2026-06-04T04:54:35Z","element_count":99,"note":"GA batch-improve 2026-06-04: 総合 65.9→98.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 98.5 (美 99 環 99 楽 100))","saved_by":"editor","sha256":"12437f5cdaa6eca4741bcda4b26992a14c5786f84d85bc9e3938ec156be7e424","version":9},{"created_at":"2026-06-04T04:54:35Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"0baddad81fad0307aca4e4f820ffa061a37361fbaa5e664956c0afae2121a9fe","version":8}]}