The Pull Request https://github.com/spring-petclinic/spring-petclinic-langchain4j/pull/3 introduces a hack for fixing [The line break problem when using Server Sent Events (SSE)](https://medium.com/@thiagosalvatore/the-line-break-problem-when-using-server-sent-events-sse-1159632d09a0) - Hack on server side: https://github.com/spring-petclinic/spring-petclinic-langchain4j/blob/v3.3.3/src/main/java/org/springframework/samples/petclinic/chat/AssistantController.java#L54 - hack on client side: https://github.com/spring-petclinic/spring-petclinic-langchain4j/blob/v3.3.3/src/main/resources/static/resources/js/chat.js#L101 This issue involves finding a better approach than substituting line breaks `\n` in `<br>`.