All runtime parameters registered on a robot, with their current values.
Read via bb://robots/{robot}/parameters. The same data is available via the
list_parameters tool, which can also filter by path prefix.
A parameter declared with a unit type reports its value and default as an
object carrying the magnitude and the unit name, e.g.
{"value": -12.5, "unit": "degree"}. That object is exactly what the
set_parameter tool accepts for the same parameter.