Get event filter options

Returns the Event Name, Severity, Component, Data Source, and resolved GPU Type filters supported by the events list, plus the sortable columns. This endpoint does not query event storage and ignores time and inventory filters. Event Name, Component, Data Source, and source-specific identity Sort Fields are limited to the agent types the customer has enrolled. Resolved GPU types come from active nodes and are independent of the event data source. eventNames always ends with the Others option, which matches every stored name the catalog does not list.