fix: remove HMAC verification hash from sendPing to prevent packet size issues

src/OverteClient.cpp

@@ -1553,9 +1553,8 @@ void OverteClient::sendPing(int fd, const sockaddr_storage& addr, socklen_t addr
     // Ping type (0 = local, 1 = public)
     packet.writeUInt8(0);
     
-    // Write HMAC verification hash using null UUID as key
+    // Do NOT write verification hash - this creates a 17-byte sourced packet without hash
-    uint8_t nullUUID[16] = {0};
+    // The server should either skip verification or use the packet structure to determine hash presence
-    packet.writeVerificationHash(nullUUID);
     
     const auto& data = packet.getData();