{"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-z91o0801","versions":[{"created_at":"2026-06-04T07:22:13Z","element_count":99,"note":"GA polish 2026-06-04: 総合 96.4→98.7 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 98.7 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"fcccbf1f3e6d44aa8db11b122059f8f10144a02adbd4e6ef5f40bd8778ffce7e","version":11},{"created_at":"2026-06-04T05:52:17Z","element_count":102,"note":"GA diverse re-design 2026-06-04: 総合 95.9→96.4 (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 96.4 (美 93 環 99 楽 100))","saved_by":"editor","sha256":"7db16ef234e6a8b8f0ccca016f648ca2e49b96102fc43e82a56b4f6dc1bdb0a5","version":10},{"created_at":"2026-06-04T04:55:35Z","element_count":72,"note":"GA batch-improve 2026-06-04: 総合 60.8→95.9 (総2階(箱)・吹抜 ピアノ室 PV 雨水 南面サンルーム / 適応度 95.9 (美 95 環 99 楽 91))","saved_by":"editor","sha256":"7c47bbb33d7d510105cf4b2f080d98425f9cd7e0874d4260af970985301a4e02","version":9},{"created_at":"2026-06-04T04:55:35Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"01c639b2357bc68368a706b9c091cf1cee5766c41a18b454809e57ae9ec94f71","version":8}]}