{"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-geml130y","versions":[{"created_at":"2026-06-04T16:59:30Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (94.6->99.8)","saved_by":"editor","sha256":"8f0a4b97d9bdf3400f30e159f4dfcbf667b93bd3d3c0fd9790c2d9641b695ee4","version":12},{"created_at":"2026-06-04T07:22:23Z","element_count":70,"note":"GA polish 2026-06-04: 総合 93.1→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"f3999c0d00d289a59854740ec44de8a0ae4412528a883eae949ab2e1433151d0","version":11},{"created_at":"2026-06-04T05:52:37Z","element_count":72,"note":"GA diverse re-design 2026-06-04: 総合 94.6→93.1 (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 93.1 (美 93 環 98 楽 100))","saved_by":"editor","sha256":"e6c9a7073984764d30873443f6aed1f2206436120bd5849c31e5208ccb344241","version":10},{"created_at":"2026-06-04T04:54:53Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 64.8→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"e003a0b22e0d7c7114be52cec3550d0b86e6435f621a0ec854d175ae56cf3161","version":9},{"created_at":"2026-06-04T04:54:53Z","element_count":29,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"ef49c8f65fe2abac913cdbd1b1d69f2bcc3988826a1d45750c213ba24cc53971","version":8}]}