{"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-ihx7n4k6","versions":[{"created_at":"2026-06-04T07:22:17Z","element_count":70,"note":"GA polish 2026-06-04: 総合 93.6→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"0206066548648ebbc76e051f6da34e49e9bf64d4063cfd418dc6971ec501118b","version":11},{"created_at":"2026-06-04T05:52:43Z","element_count":72,"note":"GA diverse re-design 2026-06-04: 総合 94.6→93.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 93.6 (美 93 環 100 楽 100))","saved_by":"editor","sha256":"976ea7ce610b1c8ede1632ebd2ddb808f2b8f5890e520eccaa0ee1f191ae2bb9","version":10},{"created_at":"2026-06-04T04:59:28Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 35.4→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"aa70a012d5851847e3c1eb1e3fc3aeb911c130fedcd5079bf49fa6e2c1112dfb","version":9},{"created_at":"2026-06-04T04:59:28Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"36381b7d3642bddcb2b5184c67a26d2dc3b3dd826cc5f1c8762b292de2fb11a5","version":8}]}