{"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-lqyk8k0m","versions":[{"created_at":"2026-06-04T17:01:33Z","element_count":76,"note":"polish: batch-improve-100 2026-06-04 (90.2->94.3)","saved_by":"editor","sha256":"248b5103c8c9b4cf23f0ff48a3d3f5a4fce1ec554d0236cb8788afa54e32f99a","version":12},{"created_at":"2026-06-04T05:56:17Z","element_count":69,"note":"GA diverse re-design 2026-06-04: 総合 90.2→90.2 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 90.2 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"5800bd4f9cce71ebe5ffa3e3e016316d6909452c900349d621c723b36d25a35d","version":11},{"created_at":"2026-06-04T05:03:52Z","element_count":69,"note":"GA batch-improve pass2 2026-06-04: 総合 89.4→90.2 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 90.2 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"97e78bd0fca0703cb3d239642dc21aa7a49975f751702f2dfc849c104d940a3d","version":10},{"created_at":"2026-06-04T04:59:38Z","element_count":71,"note":"GA batch-improve 2026-06-04: 総合 21.6→89.4 (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 89.4 (美 94 環 99 楽 100))","saved_by":"editor","sha256":"a624a61319c25d43cb25ec97e89a2cd2c1f9bb31865d61e5b7a287faae908914","version":9},{"created_at":"2026-06-04T04:59:38Z","element_count":66,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"578adc34fb54b3d5b9a2dc6b56c9f673a980c85dd3cb3d3c30ee75eca430729d","version":8}]}