[AI]Granularity of UseFunctionInvocation

[xljiulang]

I want to use M.E.AI as an AI proxy server. When UseFunctionInvocation() is enabled, how can I specify that the AIFunction from the proxy server uses Invocation, while the AIFunction from the client does not use Invocation?

[stephentoub]

Right now, you can achieve that by wrapping your specific AIFunction in one that terminates the function processing loop, e.g.

class TerminateAIFunction(AIFunction func) : DelegatingAIFunction(func)
{
    protected override ValueTask<object?> InvokeCoreAsync(AIFunctionArguments arguments, CancellationToken cancellationToken)
    {
        FunctionInvokingChatClient.CurrentContext!.Terminate = true;
        return null;
    }
}

Once #6695 lands, it'll provide a cleaner way, as you'll be able to specify non-invocable functions for which call requests will pass right through the FunctionInvokingChatClient.