{"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-ms25ysuz","versions":[{"created_at":"2026-06-04T17:01:15Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (92.4->100.0)","saved_by":"editor","sha256":"c7ac4ddacd2c05113a6a42e810b5f86c95e0e6ab5bf7af2684756c9cdb6c4b56","version":12},{"created_at":"2026-06-04T14:56:45Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (92.0->92.4)","saved_by":"editor","sha256":"229b26169cac89c4caa028fc8d6012c92aab3ed7a695d89594bfc4c00e169204","version":11},{"created_at":"2026-06-04T05:52:55Z","element_count":54,"note":"GA diverse re-design 2026-06-04: 総合 94.6→92.0 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 南面サンルーム / 適応度 92.0 (美 96 環 100 楽 91))","saved_by":"editor","sha256":"2e7656663c31aa1f3d9896afa0a0fb98f454f855e8764bec1ff8eca5feeec956","version":10},{"created_at":"2026-06-04T04:56:30Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 54.2→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"d9cd37cbc1e943be362d66d02bb6adae23db498daf4699bacad7df14c58adda5","version":9},{"created_at":"2026-06-04T04:56:30Z","element_count":24,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"ce5945d04766eccaba8d06cd44fb2ca2399e15113a44476bb12e784a7904f151","version":8}]}