{"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-f5wihu27","versions":[{"created_at":"2026-06-04T05:49:26Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 100.0→100.0 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 100.0 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"973f81d779a3f72cac0dbdb386a7b98cefb1c5ae25dd9f6c8cbb2b066ea13e03","version":10},{"created_at":"2026-06-04T04:54:06Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 67.4→100.0 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 100.0 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"c0efbda20a20ba65b45c6ddf6918819563f8295a58534707c8c368909a51caae","version":9},{"created_at":"2026-06-04T04:54:06Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"7b62fb1c046ca04759c46dab3167a87d368b8a67abb180f256f77be78b629b2e","version":8}]}