{"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-g4-5mh1gchi","versions":[{"created_at":"2026-06-04T05:49:28Z","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":"9d323dfa4bfa77d9d26ed14cfe4fb38e42d0733aa1dd8afcbfec492c754fc364","version":4},{"created_at":"2026-06-04T04:59:14Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 37.7→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":"d4886574aff64c7ef807c04a3af8444dc343e9dc24b2348d94d8c0b17d53e80c","version":3},{"created_at":"2026-06-04T04:59:14Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"d3ec41e29467a7e9d98fb9d5c7fd4be96bc695472b3d6819d8178d31d1ff3e2f","version":2}]}