{"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-2-uljdl98n","versions":[{"created_at":"2026-06-04T05:51:49Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 97.5→99.5 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"8ef0caf0f5b6d4b1f9f1a93796dd871558e066136797c04741113d642cd2ab68","version":10},{"created_at":"2026-06-04T04:54:20Z","element_count":101,"note":"GA batch-improve 2026-06-04: 総合 66.6→97.5 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 97.5 (美 94 環 100 楽 100))","saved_by":"editor","sha256":"617720397fc9849082e043d5183a164c2667057c9a2ebe8b613cd17ae66c811f","version":9},{"created_at":"2026-06-04T04:54:20Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"e664af4ad764e636324bb0e0e9a3ed5529cf3789c0ccd0840d77d573f0f3fa6c","version":8}]}