{"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-6hfauqez","versions":[{"created_at":"2026-06-04T17:01:14Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.1->98.6)","saved_by":"editor","sha256":"86af3776b9b7b991ad6808b3993e68c2dc45687ddb3bf5e30b150f275524283b","version":11},{"created_at":"2026-06-04T05:55:31Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 93.1→94.1 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.1 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"11769a69ed5a30d4bb66d9b70a4d07f537c1fd22cecf21c51258d60bb48c3e45","version":10},{"created_at":"2026-06-04T04:52:51Z","element_count":72,"note":"GA batch-improve 2026-06-04: 総合 73.9→93.1 (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 93.1 (美 93 環 100 楽 100))","saved_by":"editor","sha256":"7bd348652c6f5a85647d1f85ec9e549bcdd3be8420bdb80e89ddce25c0ffb816","version":9},{"created_at":"2026-06-04T04:52:51Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"00a4d97fb6cd4668be3aa1f35a80371f240a29e879fd951482f2871c7df1f629","version":8}]}