Fix a bug with conflicted speakers in the same rename

state.py

@@ -277,7 +277,8 @@ def on_grename_change(idx, token_display_map=None):
     # Sync widget key as display labels
     st.session_state[grkey] = [raw_to_display.get(t, t) for t in entry["speakers"]]
 
-    # Enforce exclusivity and write renames for newly added tokens
+    # Enforce exclusivity: a speaker can only belong to one rename entry at a time.
+    # Remove the token from any other entry before writing the new name.
     for token in added:
         for other_idx, other_entry in enumerate(st.session_state.globalRenames):
             if other_idx == idx: