{"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-q90bys9t","versions":[{"created_at":"2026-06-04T16:59:50Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (96.5->97.3)","saved_by":"editor","sha256":"824fd51af6b77c150f9d93144a68f6891597d230676cef63a57445761c25fc20","version":11},{"created_at":"2026-06-04T05:51:08Z","element_count":72,"note":"GA diverse re-design 2026-06-04: 総合 99.0→96.5 (総2階(箱)・吹抜 ピアノ室 PV 雨水 南面サンルーム / 適応度 96.5 (美 96 環 100 楽 91))","saved_by":"editor","sha256":"322ec6a863a528fb015a6ab555147a406f8e73b6628c619c94e78735deda18e1","version":10},{"created_at":"2026-06-04T04:54:20Z","element_count":99,"note":"GA batch-improve 2026-06-04: 総合 66.5→99.0 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 99.0 (美 99 環 100 楽 100))","saved_by":"editor","sha256":"fe08bcc29dbe8e6de8dd0ff318427d3c67f20b56a625444177046f76578002d7","version":9},{"created_at":"2026-06-04T04:54:20Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"b2ccf7ff79a4ce3eaa409d0c09fddeccd0c39d1e7583cfc1b324b2a317ad783c","version":8}]}