{"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-3e42mlu7","versions":[{"created_at":"2026-06-04T07:22:06Z","element_count":98,"note":"GA polish 2026-06-04: 総合 97.6→100.0 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 100.0 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"fed77b4128d4f3bc340ffa7e2ff9d7b3f1c5f599503e09c22e579ee2311db720","version":11},{"created_at":"2026-06-04T05:49:30Z","element_count":101,"note":"GA diverse re-design 2026-06-04: 総合 100.0→97.6 (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 97.6 (美 93 環 100 楽 100))","saved_by":"editor","sha256":"d1c75b7b46cc6419c17d8656b94b468fedb587966d9aecaad2a251fc1e475997","version":10},{"created_at":"2026-06-04T04:54:54Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 64.6→100.0 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 100.0 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"d385b7bb2d6ced39bee8e0432d4bf8a0b331363e9cb7656780b95014181afb88","version":9},{"created_at":"2026-06-04T04:54:54Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"c3617780456a85e1f55d6c91e280fba71794257c18c4a7103af2d7316ff7022f","version":8}]}