{"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-uj6py5m6","versions":[{"created_at":"2026-06-04T07:22:12Z","element_count":99,"note":"GA polish 2026-06-04: 総合 96.5→99.0 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 99.0 (美 100 環 96 楽 100))","saved_by":"editor","sha256":"7b8036032cf34d8bba3d82c3e618e3fefece12ec62099412f62a69347fa6e16d","version":11},{"created_at":"2026-06-04T05:51:12Z","element_count":102,"note":"GA diverse re-design 2026-06-04: 総合 99.0→96.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 96.5 (美 92 環 96 楽 100))","saved_by":"editor","sha256":"eabd9cdd63cedddd670f8a8b0d9ebfc1a46ec5e41dc23b4ef387d6f3b8e34b1c","version":10},{"created_at":"2026-06-04T04:58:00Z","element_count":99,"note":"GA batch-improve 2026-06-04: 総合 45.5→99.0 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 99.0 (美 100 環 96 楽 100))","saved_by":"editor","sha256":"36e5beb5246d00330c3aab8171f18989a0c88acd2900078f0d88a490a9e5ba74","version":9},{"created_at":"2026-06-04T04:58:00Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"6c88dffcbbc581d5888b1afc1cf83005c95e19a83aa4ed3cea8f5fbf80e7591f","version":8}]}