{"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-yj0z7zby","versions":[{"created_at":"2026-06-04T17:00:36Z","element_count":77,"note":"polish: batch-improve-100 2026-06-04 (94.5->97.8)","saved_by":"editor","sha256":"99983af5abea424c929d65f96e6b2b28d649e64efd0fb15dfe924242358bb80e","version":12},{"created_at":"2026-06-04T14:57:06Z","element_count":71,"note":"polish: batch-improve-100 2026-06-04 (94.4->94.5)","saved_by":"editor","sha256":"d6818100d364db05328c0fd640a772ce01484b53e1ba7bc24b415893ee3dc7ae","version":11},{"created_at":"2026-06-04T05:52:12Z","element_count":74,"note":"GA diverse re-design 2026-06-04: 総合 96.8→94.4 (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 94.4 (美 95 環 96 楽 91))","saved_by":"editor","sha256":"4a2eb22ca4b8e32d065bd3d161470857fed693a27e09f480087517a1b3d07b91","version":10},{"created_at":"2026-06-04T04:57:00Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 48.8→96.8 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 96.8 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"7edc039fa08e5e1ef53e68c67c4e93d3a5d47070ff7646022993805acd9ec94b","version":9},{"created_at":"2026-06-04T04:57:00Z","element_count":51,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"b17025efc04f4cde491e95504b0ece55e9d193a6949cf01d19d4b0637566e0d4","version":8}]}