Hey, thanks a lot for this feedback, very useful and actionable for us! Quite a few of these came down to our tool definitions in the playground as well as out triggers. We updated them just now and these should be more reliable. Really this goes to show that needle shines through after putting in the work to make the tool list around it good for your use case.
As for the reasoning, yes its main function is really to provide more words/keywords that the model can latch onto when generating the tool call response, since this is a SAN model it needs more grounding in existing context.