Added cross-version sound fix

eco-api/src/main/java/com/willfp/eco/util/SoundUtils.java

@@ -0,0 +1,50 @@
+package com.willfp.eco.util;
+
+import com.willfp.eco.core.Prerequisite;
+import org.bukkit.NamespacedKey;
+import org.bukkit.Registry;
+import org.bukkit.Sound;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.lang.reflect.Field;
+
+/**
+ * Utilities / API methods for sounds.
+ */
+public final class SoundUtils {
+    /**
+     * Get a sound in a version-compatible way.
+     *
+     * @param name The name of the sound, case-insensitive.
+     * @return The sound, or null if not found.
+     */
+    @Nullable
+    public static Sound getSound(@NotNull final String name) {
+        if (!Prerequisite.HAS_1_21_3.isMet()) {
+            try {
+                return Sound.valueOf(name.toUpperCase());
+            } catch (IllegalArgumentException e) {
+                return null;
+            }
+        }
+
+        // First try from registry (preferred)
+        Sound fromRegistry = Registry.SOUNDS.get(NamespacedKey.minecraft(name.toLowerCase()));
+        if (fromRegistry != null) {
+            return fromRegistry;
+        }
+
+        // Next try using reflection (for legacy enum names)
+        try {
+            Field field = Sound.class.getDeclaredField(name.toUpperCase());
+            return (Sound) field.get(null);
+        } catch (ReflectiveOperationException e) {
+            return null;
+        }
+    }
+
+    private SoundUtils() {
+        throw new UnsupportedOperationException("This is a utility class and cannot be instantiated");
+    }
+}