{"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-kamado-jcabs445","versions":[{"created_at":"2026-06-04T16:59:57Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (90.4->99.4)","saved_by":"editor","sha256":"31235636179fd02f88fdcd84266dd6d89dc055cbfd059d24890860d1c7b4c162","version":11},{"created_at":"2026-06-04T05:49:41Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 99.8→90.4 (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 90.4 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"c94aa34783c94761c5859652e61b102216fc2d378407ff40ff73605fd3f980ed","version":10},{"created_at":"2026-06-04T04:56:14Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 56.7→99.8 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.8 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"3d4c04a71e96e2b6590d2ffc466f4a1f88c3041c7d32a796e2d06282c175451d","version":9},{"created_at":"2026-06-04T04:56:14Z","element_count":24,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"66bf86ef8b7f07b6dda3b9572da9f81e352a7b276504c2e3c9774f891e2b2830","version":8}]}