Fix: Suppress Publift Fuse cross-origin errors

Author: sentry[bot]

src/components/Gam.tsx

@@ -55,6 +55,50 @@ export function GamOnPageChange() {
 
 export const GamScripts = () => (
   <>
+    <script
+      dangerouslySetInnerHTML={{
+        __html: `
+  // Add global error handler to suppress Publift Fuse cross-origin errors
+  // These errors occur in iOS Safari due to strict Same-Origin Policy enforcement
+  // when the ad viewability script tries to access parent window properties
+  // Also suppress race condition errors during navigation
+  (function() {
+    var originalErrorHandler = window.onerror;
+    window.onerror = function(message, source, lineno, colno, error) {
+      // Check if this is a Publift Fuse cross-origin error
+      if (
+        source && (
+          source.includes('/media/native/') ||
+          source.includes('fuse.js') ||
+          source.includes('fuseplatform.net') ||
+          source.includes('/nobid/blocking_script.js')
+        ) && (
+          (message && typeof message === 'string' && (
+            message.includes('contextWindow.parent') ||
+            message.includes('null is not an object') ||
+            message.includes('is not a function')
+          )) ||
+          (error && error.message && (
+            error.message.includes('contextWindow.parent') ||
+            error.message.includes('null is not an object') ||
+            error.message.includes('is not a function')
+          ))
+        )
+      ) {
+        // Suppress the error - log to console in debug mode
+        console.debug('Suppressed Publift Fuse cross-origin error:', message, source);
+        return true; // Prevent default error handling
+      }
+      // Call original error handler for other errors
+      if (originalErrorHandler) {
+        return originalErrorHandler.apply(this, arguments);
+      }
+      return false;
+    };
+  })();
+`,
+      }}
+    />
     <script
       async
       src="https://cdn.fuseplatform.net/publift/tags/2/4019/fuse.js"