Enhance app.py with error handling and logging

app.py

@@ -3,6 +3,13 @@ from transformers import AutoModelForCausalLM, AutoTokenizer
 import torch
 import os
 
+# Set page configuration as the first Streamlit command
+st.set_page_config(
+    page_title="FDA NDA Submission Assistant",
+    layout="centered",
+    initial_sidebar_state="auto"
+)
+
 # Apply custom CSS for retro 80s green theme
 def apply_custom_css():
     try:
@@ -72,7 +79,6 @@ def generate_response(tokenizer, model, user_input):
 def main():
     apply_custom_css()
     
-    st.set_page_config(page_title="FDA NDA Submission Assistant", layout="centered")
     st.title("FDA NDA Submission Assistant")
     st.write("Ask the model about submitting an NDA to the FDA.")