update timeline w multi

state.py

@@ -840,6 +840,11 @@ def analyze(inFileName):
         st.session_state.summaries[inFileName]["df2"] = df2
         mv_speakers, mv_times = su.sumMultiTimesPerSpeaker(multiVoice)
         st.session_state.summaries[inFileName]["mv_per_speaker"] = dict(zip(mv_speakers, mv_times))
+        # Store multi-voice intervals as (start, end) tuples for timeline shading
+        st.session_state.summaries[inFileName]["mv_intervals"] = [
+            (seg.start, seg.end)
+            for seg in multiVoice.itersegments()
+        ]
         printV("Set df2", 4)
 
     except Exception as e: