Update app.py

app.py

@@ -287,5 +287,15 @@ def main():
             ]
         )
         
+        # NOTE: Page navigation buttons (prev_page_btn, next_page_btn) are for UI purposes only.
+        # The backend logic does not support page-by-page viewing and processes the whole document at once.
+
+    demo.queue().launch(debug=True, show_error=True, ssr_mode=False)
+
 if __name__ == '__main__':
-    demo.queue().launch(debug=True, show_error=True)   
+    # Create the 'examples' directory if it doesn't exist
+    if not os.path.exists("examples"):
+        os.makedirs("examples")
+        logger.info("Created 'examples' directory. Please add some sample PDF/image files there.")
+        
+    main()