{"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-g0-g59cfnae","versions":[{"created_at":"2026-06-04T17:00:58Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.6->99.1)","saved_by":"editor","sha256":"e7d388323c722fed68dc211966b872a47378757606370ffb4902be5aca5da925","version":5},{"created_at":"2026-06-04T05:52:32Z","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":"cf6e0826d2c1b4772abef942c6d4fcdc7307cd96d99145b0f15a86a9fbae00c3","version":4},{"created_at":"2026-06-04T04:56:24Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 55.7→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":"71385693375c72656dfbf96e153deeb4b3ce9cedff5ee376f996086d7b51ecd0","version":3},{"created_at":"2026-06-04T04:56:24Z","element_count":24,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"19dd78a30cc2cf91597cd94130dc8bfeaaa39f8a157428c5f3b34580d561b33b","version":2}]}