fix(security & perf): implement bearer session tokens, salted pbkdf2, object pooling and background caching

game/index.html

@@ -604,6 +604,7 @@
 
   <!-- Scripts loaded in dependency order -->
   <script src="js/utils/assets.js"></script>
+  <script src="js/systems/audio.js"></script>
   <script src="js/utils/test_api.js"></script>
   <script src="js/systems/auth.js"></script>
   <script src="js/entities/projectile.js"></script>