{"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-9c99diea","versions":[{"created_at":"2026-06-04T14:56:45Z","element_count":70,"note":"polish: batch-improve-100 2026-06-04 (92.8->93.6)","saved_by":"editor","sha256":"8eb3b65913b0f185385344df383554ee0d51ac4168d2ef6ade108e19984e61dd","version":11},{"created_at":"2026-06-04T05:55:01Z","element_count":72,"note":"GA diverse re-design 2026-06-04: 総合 93.6→92.8 (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 92.8 (美 94 環 100 楽 100))","saved_by":"editor","sha256":"06f484f4c953cc1fa6413835a6d37407b143ce48259c249f064b387bd4c3b769","version":10},{"created_at":"2026-06-04T04:53:41Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 69.1→93.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"382c2665e9f0b68ed1fd0e0185f226dd2d827feadfdc8ac393b671a83614199a","version":9},{"created_at":"2026-06-04T04:53:41Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"e84f1a7f0f4e04da9ef24568580ce4dd0cbbd97d1097efce6271f25ce56e3d2e","version":8}]}