{"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-2-r0exjaqy","versions":[{"created_at":"2026-06-04T17:01:37Z","element_count":56,"note":"polish: batch-improve-100 2026-06-04 (93.7->93.8)","saved_by":"editor","sha256":"32e616462bfc2dd4ad4243190ee19aa7ab5317d36c9bfb6f215ae4116d64a71f","version":11},{"created_at":"2026-06-04T05:54:02Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 93.7→93.7 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.7 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"678ff0a76ddf0b29b0ac697b45fcf2c590ca5152ba41be58fa935422b7c0e5a5","version":10},{"created_at":"2026-06-04T04:55:07Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 63.1→93.7 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.7 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"9432d2700dad0547693f2a5017d6c5f90b7b0cf85a955970c263f6910bd73d96","version":9},{"created_at":"2026-06-04T04:55:07Z","element_count":20,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"c4f5ee458f8e553ca22f3c95efe80f29798503c4074a8a3b4b166ef328360f8b","version":8}]}