One rendering of a failed tool call, shared by every host. A structured error's stable kind leads the text so the model can branch on the failure without parsing the message — call this rather than re-deriving the prefix, which would drift.
kind
One rendering of a failed tool call, shared by every host. A structured error's stable
kindleads the text so the model can branch on the failure without parsing the message — call this rather than re-deriving the prefix, which would drift.