node_status - reflects the current node's 'status' value (see nodedefs.js)
node_errors - current node's error counter
node_useron - current node's logged-in user number (if applicable, else 0)
node_connection - current node's connection rate or protocol
node_misc - see nodedefs.js
node_aux - see nodedefs.js
node_extaux - see nodedefs.js

This are read-only wrappers around the sbbs_t::thisnode property and have
the same fundamental meaning as the properties of the same names in the
system.node_list[] array.

bbs.node_action is a little different as it is the authorative action value
that should be sync'd with the node database (node.dab) and not necessarily
the current value in the node database - it's also writeable.