Stream only the new tokens, not the entire message

src/main/java/io/github/amithkoujalgi/ollama4j/core/models/chat/OllamaChatResult.java

@@ -16,16 +16,10 @@ public class OllamaChatResult extends OllamaResult{
             List<OllamaChatMessage> chatHistory) {
         super(response, responseTime, httpStatusCode);
         this.chatHistory = chatHistory;
-        appendAnswerToChatHistory(response);
     }
 
     public List<OllamaChatMessage> getChatHistory() {
         return chatHistory;
-    } 
-
-    private void appendAnswerToChatHistory(String answer){
-        OllamaChatMessage assistantMessage = new OllamaChatMessage(OllamaChatMessageRole.ASSISTANT, answer);
-        this.chatHistory.add(assistantMessage);
     }
     
     

src/main/java/io/github/amithkoujalgi/ollama4j/core/models/chat/OllamaChatStreamObserver.java

@@ -11,8 +11,6 @@ public class OllamaChatStreamObserver {
 
     private List<OllamaChatResponseModel> responseParts = new ArrayList<>();
 
-    private String message = "";
-
     public OllamaChatStreamObserver(OllamaStreamHandler streamHandler) {
         this.streamHandler = streamHandler;
     }
@@ -23,8 +21,7 @@ public class OllamaChatStreamObserver {
     }
     
     protected void handleCurrentResponsePart(OllamaChatResponseModel currentResponsePart){
-        message = message + currentResponsePart.getMessage().getContent();
-        streamHandler.accept(message);
+        streamHandler.accept(currentResponsePart.getMessage().getContent());
     }