{"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-8jiri7ku","versions":[{"created_at":"2026-06-04T14:56:48Z","element_count":73,"note":"polish: batch-improve-100 2026-06-04 (94.6->94.7)","saved_by":"editor","sha256":"63858863cb052d8b1fcaeab7ecd5cf4ef2c32027e5653866886c92579a56b84d","version":11},{"created_at":"2026-06-04T05:52:09Z","element_count":73,"note":"GA diverse re-design 2026-06-04: 総合 96.9→94.6 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 南面サンルーム / 適応度 94.6 (美 96 環 96 楽 91))","saved_by":"editor","sha256":"bac744051053afa724a3d4b6b8009620554b8f3c2316ef0265562d4e5bacf08f","version":10},{"created_at":"2026-06-04T04:53:10Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 71.6→96.9 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 96.9 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"3178ae02deee83dc81b8058f1863c0dacd205fe5d1239c95fa08a73607c4695f","version":9},{"created_at":"2026-06-04T04:53:10Z","element_count":66,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"2b2eea4d3558c9b46559fc613dde1f5fd71ef03c93aad6d7253832a2976e0cd0","version":8}]}