{"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-2-igg5jg9i","versions":[{"created_at":"2026-06-04T05:49:24Z","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":"bb9b0ba51278a1bef126c3a63e8f78e8a0b64070a6c12afac2ac2c8d3e528f6d","version":10},{"created_at":"2026-06-04T04:57:36Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 46.5→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":"057dfdd39b8ff9a55158484e3ebbead3ee8a0fe5b4df3a77275db7cfd76d9e35","version":9},{"created_at":"2026-06-04T04:57:36Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"8fc53f0ff6790aee74430e04c39ed693bcca4b6667fff719da780555cdb1620e","version":8}]}