Simplify results display: hide technical columns, add multi-label note

app.py

@@ -1193,9 +1193,13 @@ with col_output:
         # Distribution chart
         fig = create_distribution_chart(results['df'], results['categories'])
         st.pyplot(fig)
+        st.caption("Note: Categories are not mutually exclusive—each item can belong to multiple categories.")
 
-        # Results dataframe
-        st.dataframe(results['df'], use_container_width=True)
+        # Results dataframe (hide technical columns from display)
+        display_df = results['df'].copy()
+        cols_to_hide = ['model_response', 'json', 'raw_response', 'raw_json']
+        display_df = display_df.drop(columns=[c for c in cols_to_hide if c in display_df.columns])
+        st.dataframe(display_df, use_container_width=True)
 
         # Downloads
         col_dl1, col_dl2 = st.columns(2)