{"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-29ws4rxn","versions":[{"created_at":"2026-06-04T17:00:56Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (90.1->98.8)","saved_by":"editor","sha256":"8dfd5a72e93bda09b707b13d0022fd7f41524e1068c620843eb7ec949c294fea","version":12},{"created_at":"2026-06-04T06:04:32Z","element_count":55,"note":"GA diverse final 2026-06-04: 総合 88.4→90.1 (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 90.1 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"4a42aeee4403db7d22cc82e3d3c1430237a50bfccbb5604dd21160ad399f62aa","version":11},{"created_at":"2026-06-04T05:50:26Z","element_count":53,"note":"GA diverse re-design 2026-06-04: 総合 99.5→88.4 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 88.4 (美 93 環 100 楽 91))","saved_by":"editor","sha256":"638d0b4d82b379c7fa869eadc1f657f006c9e2ffe906268f1e0546ce8d8b8c2c","version":10},{"created_at":"2026-06-04T04:59:21Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 36.9→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":"529b77717b36005eefbab33ef9e1bb3681e2aee2e33ce3760619690a60dc5449","version":9},{"created_at":"2026-06-04T04:59:21Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"23bdffc84299cd3d68f6ea593c1d5ad5628577a1af975b2c77186acb57d57fc8","version":8}]}