Prompt.augmentSystemMessage will result in adding two system prompts.

[leooolee]

Please do a quick search on GitHub issues first, there might be already a duplicate issue for the one you are about to create.
If the bug is trivial, just go ahead and create the issue. Otherwise, please take a few moments and fill in the following sections:

Bug description
A clear and concise description of what the bug is about.

Environment
Please provide as many details as possible: Spring AI version, Java version, which vector store you use if any, etc
JDK21 + Spring ai 1.0.0

Steps to reproduce
Steps to reproduce the issue.

1. There is a system prompt, and the system prompt is not the first message.
2. Augment the system message

Expected behavior
A clear and concise description of what you expected to happen.
Add only one system prompt.

[sunyuhan1998]

I have reproduced your issue, and it is indeed as you described. I have submitted a PR to fix this issue: #3268