{"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-v1j9kyb9","versions":[{"created_at":"2026-06-04T17:00:25Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (92.0->100.0)","saved_by":"editor","sha256":"6d9e1786fff4a8e3e3643406f8425d8a56e3f5daa547dcdc14e3dc2a7e44cf71","version":5},{"created_at":"2026-06-04T05:55:28Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 93.1→92.0 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 92.0 (美 96 環 100 楽 91))","saved_by":"editor","sha256":"d32f7f559d54b2acefc1cffe80a430f504255eee8d83dfcf92e55cf7e9cbe070","version":4},{"created_at":"2026-06-04T04:55:39Z","element_count":72,"note":"GA batch-improve 2026-06-04: 総合 60.4→93.1 (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 93.1 (美 94 環 100 楽 100))","saved_by":"editor","sha256":"ac9627e4da324e70dd26c7ba7d91350da5aa4e56d19aed8803e06e90af58354c","version":3},{"created_at":"2026-06-04T04:55:39Z","element_count":20,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"b95c328ecd18aacaf664cc71614c4c402f8187e14b01ffd24a4e0168541ba530","version":2}]}