changed indicators on the Playback/SpeedCalc modals

frontend/src/melodies/PlaybackModal.jsx

@@ -357,9 +357,9 @@ export default function PlaybackModal({ open, melody, builtMelody, files, archet
                   <p className="text-xs mb-2" style={mutedStyle}>Note → Assigned Bell</p>
                   <div className="flex flex-wrap gap-1.5">
                     {noteAssignments.map((assignedBell, noteIdx) => {
-                      // A note is active if the current step has this note's bit set (raw archetype value)
-                      const isActive = currentStep >= 0 && Boolean(steps[currentStep] & (1 << noteIdx));
+                      // A note is active (flashing) if its assigned bell is currently lit in activeBells
                       const firesABell = assignedBell && assignedBell > 0;
+                      const isActive = firesABell && activeBells.has(assignedBell);
                       return (
                         <div
                           key={noteIdx}