feat: add viewport config to browser options

Author: masnwilliams

templates/typescript/gemini-cua/index.ts

@@ -34,6 +34,11 @@ async function runStagehandTask(invocationId?: string): Promise<SearchQueryOutpu
 
   const browserOptions = {
     stealth: true,
+    viewport: {
+      width: 1440,
+      height: 900,
+      refresh_rate: 25
+    },
     ...(invocationId && { invocation_id: invocationId })
   };