Fix indentation in Streamlit app; ensure proper layout for expert analysis display

src/streamlit_app.py

@@ -789,7 +789,7 @@ with tab2:
                             # Show explanation in a box
                             st.markdown("### Expert Analysis")
                             st.info(results['explanation'])
-                          with col2:
+                        with col2:
                             if results['audio_viz']:
                                 try:
                                     st.pyplot(results['audio_viz'])