Revert No-voice from proportion graph in Multi File Analysis

ui.py

@@ -402,17 +402,15 @@ def render_multifile_summary(plotly_config=None):
             )
             df7, _ = utils.build_multifile_voice_df(validNames, st.session_state.summaries)
 
-            # Add No Voice (silence) to the speaker/role chart.
-            # df7 percentiles are 0-100, df6 uses 0-1 proportions.
-            no_voice_map = dict(zip(df7["files"], df7["No Voice"] / 100))
-            df6["No Voice"] = df6["files"].map(no_voice_map).fillna(0)
-            chart_cols = allCategories + ["No Voice"]
-
-            fig6 = px.bar(df6, x="files", y=chart_cols,
+            fig6 = px.bar(df6, x="files", y=allCategories,
                            title="Proportion of File Duration Spoken by Each Speaker/Role *")
             fig6.update_layout(yaxis_title="Proportion of File Duration")
             st.plotly_chart(fig6, use_container_width=True, config=cfg)
-            st.caption("* Note: Overlaps between speakers of the same role are only counted once.")
+            st.caption(
+                "* Note: Overlaps between speakers of the same role are only counted once. "
+                "Bars may not sum to 1 — silence and cross-role overlaps are not shown here. "
+                "See the voice categories chart below for the full breakdown."
+            )
 
             sort_options = {
                 "Single Voice (least → most)": (["Single Voice", "Multi Voice"], True),