{"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-0y9kbo8m","versions":[{"created_at":"2026-06-04T05:52:20Z","element_count":99,"note":"GA diverse re-design 2026-06-04: 総合 95.3→97.1 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 97.1 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"e0f694dfe2dfc2731868a964deaf2b0aa4a3307d4b4ddd25d2f21b0cf95360ab","version":10},{"created_at":"2026-06-04T04:55:40Z","element_count":102,"note":"GA batch-improve 2026-06-04: 総合 60.0→95.3 (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 95.3 (美 94 環 98 楽 100))","saved_by":"editor","sha256":"342b36806eca5ac74b43c409fcb94f90b9dc313bccdf785a7f52cd2cd3419edd","version":9},{"created_at":"2026-06-04T04:55:40Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"eb533206a0932285bb0afd3eb459535fa4c9a77b0422a09f2dedd0bf1e646a7b","version":8}]}