Add distinct theme core animations and fix retro redraw

index.html

@@ -359,6 +359,7 @@
   <!-- All-in-One Procedural Audio Engine & UI -->
   <script src="js/audio.js"></script>
   <script src="js/config.js"></script>
+  <script src="js/core-animations.js"></script>
   <script src="js/visualizer.js"></script>
   <script src="js/observation-bezels.js"></script>
   <script src="js/observation-engine.js"></script>