diff --git a/.gitignore b/.gitignore
index 70dce98..b8bb233 100644
--- a/.gitignore
+++ b/.gitignore
@@ -73,5 +73,6 @@ GIT_PUSH_指南.md
 
 # ── Local-only / third-party copies ───────────
 ref/
+.design-tests/
 backend/service_orders/
 docs/storage-metrics.json