{"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-imi1cnlv","versions":[{"created_at":"2026-06-04T16:59:29Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (90.1->98.4)","saved_by":"editor","sha256":"6e1a1acc2805d5982fbedaabb599ff190d87398bd60af242e8fe690cc69b8d31","version":11},{"created_at":"2026-06-04T05:50:18Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 99.5→90.1 (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 90.1 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"d6cfda6979ecadd8afb73a2d7deb3f710d76d3e1a6739a60ea9eb8076b7e60a7","version":10},{"created_at":"2026-06-04T04:54:05Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 67.5→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":"c7fef2c96afe39858ef4724a90adf478e62b451b688fc48ba29c23ed12e6d52a","version":9},{"created_at":"2026-06-04T04:54:05Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"29df49152d478a4163c7000402bc1875370be31ee67d99b760ec51df70e5b2b0","version":8}]}