--all: every CDB record except __default__.
Optionalbbox--bbox <south>,<west>,<north>,<east>: a geo union predicate (device GPS in box).
--default: the reserved __default__ record.
Repeatable --group <name>.
Optionalnear--near <lat>,<lon>,<radius>: a geo union predicate (device GPS within radius).
Literal/lookup positionals (NOT operation args — the caller splits those).
Repeatable --where attr=value, AND-combined.
The parsed target selection a command hands to expandCdbSelection.