{"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-jso4x2j0","versions":[{"created_at":"2026-06-04T17:01:08Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (93.5->93.6)","saved_by":"editor","sha256":"2615d22fa33fe7b99d397dbf4cb21d7ed042d6e2acf40ad3b5fb428544e7b30f","version":5},{"created_at":"2026-06-04T05:55:14Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 93.5→93.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"c691bb5c7cc6c98c1c4741270cbb6891b4d21f0a258e21ff85539b5ecc5faf86","version":4},{"created_at":"2026-06-04T04:55:16Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 62.4→93.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"df5585624d166512799247f0268e4cc8ed9f5e06efd130422d82c9391d48d9a2","version":3},{"created_at":"2026-06-04T04:55:16Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"746f480cafb5bb0dc8b503008bf2eccb9ccc7d7791e1d4eeb3d381dce52e0eb6","version":2}]}