test database privilige and index + delete ep packets

frontend/src/api/apiClient.ts

@@ -159,6 +159,12 @@ export const fetchPackets = async (limit = 100): Promise<any> => {
   return res.data;
 };
 
+export const clearPackets = async (): Promise<any> => {
+  // limit default mirrors OpenAPI default
+  const res = await api.delete('/packets/packets');
+  return res.data;
+};
+
 /* -------------------------
    Firewall
    ------------------------- */