{"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-g0-pc3l0s2w","versions":[{"created_at":"2026-06-04T17:01:05Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.6->99.6)","saved_by":"editor","sha256":"38ba2928aa11f1be34ed9d6358e20e5d354449f2d03c0bc7ea0f74428e02b478","version":5},{"created_at":"2026-06-04T05:52:32Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 94.6→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":"4025115d4f75a419a54fba8e0e1e36f13574bf25295fd8156579616b2c0d3b6f","version":4},{"created_at":"2026-06-04T04:55:57Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 58.6→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":"db3d473d3aa0864478ad685537780e4685dd261ddc5595a1b64cbbfbc4b90bae","version":3},{"created_at":"2026-06-04T04:55:56Z","element_count":24,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"557e53daf73af59db1de857e20320fe2b592bdab4b6c94312817df74f9ae09fd","version":2}]}