Visual update on multi-file submenu

app.py

@@ -254,8 +254,14 @@ try:
     catColors     = allColors[len(speakerNames):]
 
     # Rebuild live df4
+    # Guard: trim categorySelections to match categories length in case they
+    # are momentarily out of sync during rapid role assignments.
     nameList    = st.session_state.categories
-    valueList   = [su.sumTimes(currAnnotation.subset(s)) for s in categorySelections]
+    _selections = categorySelections[:len(nameList)]
+    while len(_selections) < len(nameList):
+        _selections.append([])
+    valueList   = [su.sumTimes(currAnnotation.subset(s)) for s in _selections]
+    categorySelections = _selections
     extraNames  = list(unusedSpeakers)
     extraValues = [su.sumTimes(currAnnotation.subset([sp])) for sp in unusedSpeakers]
     st.session_state.summaries[currFile]["df4"] = pd.DataFrame(