ChatResponseExtensions.ToChatResponse; No messageId present

[awaescher]

Discussed in #299

^{Originally posted by flintlouis August 14, 2025}
Hi,
When using the OllamaApiClient, after getting the IAsyncEnumerable<ChatResponseUpdate> responseStream from GetStreamingResponseAsync(), I use the ChatResponseExtensions.ToChatResponse() from Micrsoft.Extensions.AI to squash all the seperate response chunks into a ChatResponse with a list of response messages. This extension uses the MessageId to distuingish which response chunks belong to which message and seperates it in this way.
But with the ChatResponseStream there are no message ID's implemented so this extension method just adds all AIContent into 1 message, even if it has a different role.

I was wondering, is it an idea to add messageId's to the ollama Message?

Example:
Before:
responseChunks =
[
{ role: assistant, content: [text] },
{ role: assistant, content: [tool_call] },
{ role: tool, content: [tool_response] },
{ role: assistant, content: [text] }
]
After:
response.Messages =
[
{ role: assistant, content: [text, tool_call, tool_response, text] }
]