{"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-qi86235a","versions":[{"created_at":"2026-06-04T17:01:41Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (90.4->98.3)","saved_by":"editor","sha256":"28c2b83e4fb90656405077e651cc9938ccddbda746b690b7ac6824cf80788080","version":12},{"created_at":"2026-06-04T06:04:13Z","element_count":55,"note":"GA diverse final 2026-06-04: 総合 89.9→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 95 環 100 楽 91))","saved_by":"editor","sha256":"447359ebde920457340cddb489d44af04090210f62dfba740ad3fe89de901134","version":11},{"created_at":"2026-06-04T05:50:47Z","element_count":54,"note":"GA diverse re-design 2026-06-04: 総合 99.5→89.9 (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 89.9 (美 96 環 100 楽 91))","saved_by":"editor","sha256":"e543907d027c9e44f28b0d4348b68673dbcace38b65f5e00b93c6995e3e78d06","version":10},{"created_at":"2026-06-04T04:57:52Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 45.8→99.5 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"6c541ba93d9cfb36613c986e2be380cac9375cdf55a78c920e8ab185919f3310","version":9},{"created_at":"2026-06-04T04:57:51Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"492e1f88dd5ba3a4a6cf54dc2b06d9d860170c11d4f40d59a154875474d9cbde","version":8}]}