Spring AI Tool call after an initial response is being streamed

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Bug description Once a response has started streaming, if the LLM decides to make another tool call, the initial response is repeated.

Environment Spring AI 1.0.1 Spring Boot 3.5.3

Steps to reproduce Ask LLM to list available tools and stream the response. If one of the tools might describe a tool, the LLM will execute it, then run the prompt again with the tool response. This causes duplicate answers to stream back because it creates a second LLM call.

Expected behavior If a tool is executed after the LLM has started generating a response, the tool response should continue from where the previous assistant message completed. Alternatively, allow a tool call to be executed without sending the response to the user OR the LLM.

Minimal Complete Reproducible example I will work on this.