fix: update default playhead fps to 30

src/core/KGCore.ts

@@ -367,7 +367,7 @@ export class KGCore {
 
     // Get playhead update frequency from config (in fps)
     const configManager = ConfigManager.instance();
-    const updateFrequency = (configManager.get('editor.playhead_update_frequency') as number) ?? 10;
+    const updateFrequency = (configManager.get('editor.playhead_update_frequency') as number) ?? 30;
     const updateIntervalMs = 1000 / updateFrequency; // Convert fps to milliseconds
 
     this.playbackIntervalId = window.setInterval(() => {

src/core/config/ConfigManager.ts

@@ -253,7 +253,7 @@ export class ConfigManager {
           },
         },
         editor: {
-          playhead_update_frequency: 10,
+          playhead_update_frequency: 30,
           spectrogram_height_resolution: 3
         },
         chatbox: {