Revert "Smooth realtime display frame pacing"

This reverts commit a8e9729b3a.

www/main.js

@@ -2698,20 +2698,14 @@ async function loop(now){
   const currentAudioSeq = Math.max(currentMetricsSeq, currentVisualsSeq, currentXySeq);
   const audioDirty = currentAudioSeq > lastRenderedAudioSeq;
   const shouldRenderFrame =
-    audioOk ||
     renderDirty ||
     audioDirty ||
     !audioOk ||
     style === 'options-panel' ||
     style === 'recorder' ||
     renderStyle === 'clock';
-  // With live audio, requestAnimationFrame itself is the display clock. An
-  // additional exact 60 Hz comparison occasionally rejected a real 60 Hz
-  // frame because of fractional timestamp jitter, creating 33 ms pauses in
-  // otherwise smooth peak decay. Only throttle the disconnected state.
-  const frameDue = audioOk || elapsed >= target;
-  if (frameDue){
-    lastFrameTime = audioOk ? now : now - (elapsed % targetMs);
+  if (elapsed >= target){
+    lastFrameTime = now - (elapsed % targetMs);
     try{
       updateRect();
       meterHitRects.length = 0;