Fix streamlit_app.py to properly use imported main() function instead of always overriding with fallback

streamlit_app.py

@@ -17,6 +17,8 @@ if frontend_dir not in sys.path:
 if current_dir not in sys.path:
     sys.path.insert(0, current_dir)
 
+main = None  # Initialize main as None
+
 try:
     # Import only the main function to avoid loading unnecessary modules
     from frontend.app import main
@@ -38,4 +40,9 @@ except ImportError as e:
 
 # Run the main function directly
 if __name__ == "__main__":
-    main() 
+    if main is not None:
+        main()
+    else:
+        import streamlit as st
+        st.error("Failed to import main application. Please check the deployment.")
+        st.info("Contact support if this issue persists.")