Aggressive fix for iframe contentDocument null error

src/duckai.ts

@@ -28,14 +28,26 @@ export class DuckAI {
       window.chrome = { runtime: {} };
       
       // Fix for 'Cannot read properties of null (reading 'contentDocument')'
-      // Some challenge scripts create an iframe and immediately access contentDocument
+      // Aggressive Patch: Modify the prototype directly
+      Object.defineProperty(window.HTMLIFrameElement.prototype, 'contentDocument', {
+        get: function() { return window.document; },
+        configurable: true
+      });
+      
+      Object.defineProperty(window.HTMLIFrameElement.prototype, 'contentWindow', {
+        get: function() { return window; },
+        configurable: true
+      });
+
+      // Also keep the createElement hook just in case
       const originalCreateElement = window.document.createElement;
       window.document.createElement = function(tagName: string) {
           const element = originalCreateElement.call(this, tagName);
           if (tagName.toLowerCase() === 'iframe') {
               try {
+                  // Ensure properties are set on the instance as well
                   Object.defineProperty(element, 'contentDocument', {
-                      get: () => window.document, // Return main document as fallback or a dummy
+                      get: () => window.document,
                       configurable: true
                   });
                   Object.defineProperty(element, 'contentWindow', {