const messages: WllamaChatMessage[] = [
  { role: 'system', content: 'You are helpful.' },
  { role: 'user', content: 'Hi!' },
  { role: 'assistant', content: 'Hello!' },
  { role: 'user', content: 'How are you?' },
];
const stream = await wllama.createChatCompletion(messages, {
  nPredict: 10,
  sampling: {
    temp: 0.0,
  },
  stream: true, // ADD THIS
});

for await (const chunk of stream) {
  console.log(chunk.currentText);
}