{"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-9jll7z6z","versions":[{"created_at":"2026-06-04T07:22:04Z","element_count":98,"note":"GA polish 2026-06-04: 総合 98.1→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":"8a70a07a1a52caff3942ee94b8cc330bd6aed0d7bb1c884ba3a087614712dc1d","version":11},{"created_at":"2026-06-04T05:49:27Z","element_count":97,"note":"GA diverse re-design 2026-06-04: 総合 100.0→98.1 (中庭ロの字・吹抜 ピアノ室 PV 天窓 / 適応度 98.1 (美 100 環 90 楽 100))","saved_by":"editor","sha256":"c85317e561f861ef0a40cfa9c954055178537ac2542919d526f9d44ae3c40462","version":10},{"created_at":"2026-06-04T04:54:07Z","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":"2026-06-04T04:54:07Z","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}]}