{"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-g3-70vj7i68","versions":[{"created_at":"2026-06-04T17:01:03Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (90.1->98.8)","saved_by":"editor","sha256":"0250126b0b6a215f0579e055c6c8ba04e17c6cd6143a19d3d70115aa74fd2750","version":7},{"created_at":"2026-06-04T15:25:59Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (90.0->90.1)","saved_by":"editor","sha256":"ccd1f0ada24ebc5455d188f98a0500cdab43cdd28e955aca889a9eabba0b6b1b","version":6},{"created_at":"2026-06-04T15:25:03Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (90.0->90.1)","saved_by":"editor","sha256":"ccd1f0ada24ebc5455d188f98a0500cdab43cdd28e955aca889a9eabba0b6b1b","version":5},{"created_at":"2026-06-04T05:52:03Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 97.0→90.0 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 90.0 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"fc4fae613d4778ad30533fd2791891bd378fe2d46134be818f15de110add25c6","version":4},{"created_at":"2026-06-04T04:55:39Z","element_count":101,"note":"GA batch-improve 2026-06-04: 総合 60.3→97.0 (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 97.0 (美 92 環 100 楽 100))","saved_by":"editor","sha256":"2a6cc3a3a5ad227a6c4a52fd66b9c2b040b33f9b4cba88f0a654816bbc665936","version":3},{"created_at":"2026-06-04T04:55:39Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"1968666d8afcadafe74ad16666ba79652695b83a13fd358339c103fe49ce35b9","version":2}]}