diff --git a/.gitignore b/.gitignore
index c540758..aa646c4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -101,6 +101,10 @@ production_v3*/
 frontend/
 docker-compose.frontend.yml
 
+# 生成式設計審計 / handoff dump（正式治理以 docs/memory/frontend_v3_handoff_20260512.md 為索引）
+docs/design/
+docs/design_audit_frontend/
+
 # 測試與覆蓋率報告
 .pytest_cache/
 .coverage