Fix: Remove non-existent initialize_ai_model() method call

app.py

@@ -311,16 +311,13 @@ def main():
                 st.success("Documents cleared!")
                 st.rerun()
         
-        # Web search status
+        # AI Model status
         st.subheader("AI Model Status")
         if st.session_state.chatbot.hf_client and st.session_state.chatbot.hf_client.is_available():
             st.success("✅ AI model loaded")
         else:
-            st.error("❌ AI model not loaded")
-            if st.button("🔄 Load AI Model", type="primary"):
-                success = st.session_state.chatbot.initialize_ai_model()
-                if success:
-                    st.rerun()
+            st.warning("⚠️ AI model loading...")
+            st.info("Models are being downloaded. This may take a few minutes on first run.")
         
         st.subheader("Web Search")
         if st.session_state.chatbot.web_searcher: