{"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-sento-pbvtus2x","versions":[{"created_at":"2026-06-04T16:59:43Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (94.6->100.0)","saved_by":"editor","sha256":"918fd6a52a13eb96e2a96d79a779702538679ea9106fb683993b6ca0934b0822","version":12},{"created_at":"2026-06-04T14:56:44Z","element_count":70,"note":"polish: batch-improve-100 2026-06-04 (94.2->94.6)","saved_by":"editor","sha256":"713ec7580238237897e191d9618aa7baaf39eb8fb6bb95b3aa1d1cf13320c5cc","version":11},{"created_at":"2026-06-04T05:55:00Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 93.6→94.2 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.2 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"58359e0048e55fbf6eb04e52a4e343e1b459ac839ea100ba0c5b028ab4db0ed0","version":10},{"created_at":"2026-06-04T04:58:39Z","element_count":72,"note":"GA batch-improve 2026-06-04: 総合 41.8→93.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 93.6 (美 93 環 100 楽 100))","saved_by":"editor","sha256":"b26ad895ea1aa29b02d754036e706bb9ed430389fd726dfe6fdebdd33c151f10","version":9},{"created_at":"2026-06-04T04:58:39Z","element_count":20,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"b71adcbd4aba6819890d9a9e432c2c3f2a54b92cf3987c3d6838d32bc716e454","version":8}]}