{"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-g3-whvy9cj9","versions":[{"created_at":"2026-06-04T05:49:50Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 99.7→99.7 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.7 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"56630baf6de179e3ad49f9d4ef84ddc8f1aaf96512e8f2664369c66b8b5a253c","version":4},{"created_at":"2026-06-04T04:56:21Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 56.2→99.7 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.7 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"687d8c5003e71f63af507f3c092f03f2a6b7b087471782e677dafe43ed7dcfb6","version":3},{"created_at":"2026-06-04T04:56:21Z","element_count":24,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"00e92b5b2a12d3edbf193d613458e2f89204580acad0247b4d8680fd0d871a8c","version":2}]}