fix(core): update

test/test.backpressure.ts

@@ -20,7 +20,7 @@ tap.test('should run backpressure test', async (toolsArg) => {
         await new Promise((resolve) => setTimeout(resolve, 20)); // Slow processing
         console.log(`processed chunk ${chunk} in stream 2`);
         await tools.push(chunk);
-        // return chunk;
+        // return chunk, optionally return ;
       },
     }); // This stream processes data more slowly
     const stream3 = new SmartDuplex({