{"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-chashitsu-5mok5d3q","versions":[{"created_at":"2026-06-04T06:04:21Z","element_count":99,"note":"GA diverse final 2026-06-04: 総合 89.6→99.8 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 99.8 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"670f648bdc536bf474b3c8d4a6d3e2f31bc3f69442774dc309dc0cafece285ef","version":11},{"created_at":"2026-06-04T05:49:49Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 99.8→89.6 (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 89.6 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"5cceeb5d2ba3936d93792ce14f0a981b5cdf96571fceee78f08f52ef21ace5fb","version":10},{"created_at":"2026-06-04T04:56:08Z","element_count":99,"note":"GA batch-improve 2026-06-04: 総合 57.5→99.8 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 99.8 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"6d296c2ff35b53f6a0a28e6b846a4a38a6b845135ab0f0387923ccbd2daaa938","version":9},{"created_at":"2026-06-04T04:56:08Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"37b068f4c840a32c3134cdd34d04c8a7ff8421d262b9ad3a2b66254d6733c750","version":8}]}