Session 17: Sound Toggle (mute/unmute with persistence) Added

js/prestige.js

@@ -54,8 +54,8 @@ const PRESTIGE = {
             prestigeUpgrades: Game.state.prestigeUpgrades || []
         };
 
-        // Audio feedback
-        Audio.playPrestige();
+        // Audio feedback (gated by the sound preference)
+        Game.playSound('prestige');
 
         // Particle effect for prestige
         const btn = document.getElementById('prestige-btn');
@@ -88,7 +88,7 @@ const PRESTIGE = {
             Game.state.prestigeUpgrades.push(upgradeId);
 
             UI.showNotification(`Unlocked: ${upgrade.name}!`, 'achievement');
-            Audio.playPurchase();
+            Game.playSound('purchase');
             UI.update();
             return true;
         }