Fix Animation Syncing for Built in

src/main/java/noppes/npcs/CustomNpcs.java

@@ -335,6 +335,14 @@ public class CustomNpcs {
     @EventHandler
     public void loadComplete(FMLLoadCompleteEvent ev) {
         proxy.buildPackageIndex();
+
+        // Load built-in animations on the client so they're available for ability preview.
+        // On dedicated servers, AnimationController.load() only runs on the server JVM,
+        // leaving the client without built-in animation data. In singleplayer, load()
+        // runs later during server start and reloads everything, so this is harmless.
+        if (FMLCommonHandler.instance().getSide().isClient()) {
+            AnimationController.Instance.loadClientBuiltIns();
+        }
     }
 
     @EventHandler

src/main/java/noppes/npcs/controllers/AnimationController.java

@@ -213,6 +213,18 @@ public class AnimationController implements IAnimationHandler {
         }
     }
 
+    /**
+     * Loads built-in animations for client-side usage.
+     * On dedicated servers, AnimationController.load() never runs on the client JVM,
+     * so built-in animations would be missing for client-only systems like ability preview.
+     * This method loads just the built-in animations (from assets and registered addons)
+     * without touching user animations or world save data.
+     */
+    public void loadClientBuiltIns() {
+        loadBuiltInAnimations();
+        loadRegisteredBuiltIns();
+    }
+
     private File getDir() {
         return new File(CustomNpcs.getWorldSaveDirectory(), "animations");
     }