{"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-e5nqde4j","versions":[{"created_at":"2026-06-04T16:59:51Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.6->99.6)","saved_by":"editor","sha256":"7e6a84591ee1a87ea65a3aaa30dbdf6177ec71f70215a150d0b24150a7bf1f3d","version":11},{"created_at":"2026-06-04T05:54:52Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 93.6→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"64823c862298707dce6d8379081cd6604b989845a0fe6b0425d6e2c4c160dba3","version":10},{"created_at":"2026-06-04T04:55:52Z","element_count":72,"note":"GA batch-improve 2026-06-04: 総合 58.9→93.6 (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 93.6 (美 93 環 100 楽 100))","saved_by":"editor","sha256":"e325806a365ad1874d08453a17558403838c3f4cb280b99b5af6c76e048898ec","version":9},{"created_at":"2026-06-04T04:55:52Z","element_count":24,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"beb422a4718d0907330f8eca954820a14158f6205f22c1951fba928e0aeddd29","version":8}]}