fix: 收紧 WebProbe 浏览器启动与清理

scripts/src/hwlab-node-web-probe-runner-source.ts

@@ -111,6 +111,7 @@ try {
   });
   process.exitCode = 2;
 } finally {
+  if (context) await context.close().catch(() => {});
   if (browser) await browser.close().catch(() => {});
 }