{"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-g2-fh3wks8o","versions":[{"created_at":"2026-06-04T16:59:30Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.6->99.6)","saved_by":"editor","sha256":"c4d84024516abab8ddd439fb0de0da574d14c761607362ebc8b9c7e460a09d32","version":5},{"created_at":"2026-06-04T05:52:30Z","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":"4025115d4f75a419a54fba8e0e1e36f13574bf25295fd8156579616b2c0d3b6f","version":4},{"created_at":"2026-06-04T04:55:34Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 60.8→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":"d07fb801fffe92831a5f8957c943970da550ed39e99b85ce4bcfe52c1c14919a","version":3},{"created_at":"2026-06-04T04:55:34Z","element_count":20,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"c58b3046dcd297941c492c6e059fc0da1115f045956d3c27a716f7d1df49ef9b","version":2}]}