ToolInputParameters
type ToolInputParameters = undefined | ZodObjectLike | JsonObjectSchema<any>;The parameters of a tool.
This can be a Zod schema, a JSON schema or undefined.
If a Zod schema is provided, the arguments to the tool will automatically be parsed and validated against the schema.
If a JSON schema is provided, the arguments to the tool will be passed as is.
If undefined is provided, the arguments to the tool will be passed as a string.