Misc cleanup

src/main/java/ai/nomyo/SecureMemory.java

@@ -10,6 +10,7 @@ import java.util.Map;
 /**
  * Cross-platform memory locking and secure zeroing for sensitive cryptographic buffers. Fails gracefully if unavailable.
  */
+@SuppressWarnings("SameReturnValue")
 public final class SecureMemory {
 
     @Getter
@@ -75,6 +76,7 @@ public final class SecureMemory {
     /**
      * Wraps bytes with memory locking and guaranteed zeroing on close. AutoCloseable for try-with-resources.
      */
+    @SuppressWarnings("SameReturnValue")
     public static class SecureBuffer implements AutoCloseable {
 
         private final Arena arena;