diff --git a/tests/test_issue_431.py b/tests/test_issue_431.py
new file mode 100644
index 000000000..2d2c2aa00
--- /dev/null
+++ b/tests/test_issue_431.py
@@ -0,0 +1,12 @@
+# Test for issue #431: [Control Plane] PresenceManager.Start can spawn duplicate sweep goroutines
+# Auto-generated by PR Harness
+
+import pytest
+
+
+def test_issue_431():
+    """Regression test for issue #431."""
+    # TODO: implement proper test reproduction
+    # Issue: [Control Plane] PresenceManager.Start can spawn duplicate sweep goroutines
+    pass
+