{"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-house-0f0exaet","versions":[{"created_at":"2026-06-04T17:00:00Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (94.6->100.0)","saved_by":"editor","sha256":"d8d4f9ec77b588fd3aaf14ce874447e47670567f20750592156e265fb11959c0","version":11},{"created_at":"2026-06-04T05:52:59Z","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":10},{"created_at":"2026-06-04T04:55:54Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 58.9→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":"f8d6a165c51c0bccc3b92e8099027a925f06080bd21592bb120a652cc1fe65ad","version":9},{"created_at":"2026-06-04T04:55:54Z","element_count":24,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"07e23f0a013f829da007e7df1bb791558b12bf4828e499ac2fc37b7e0efa161b","version":8}]}