OptionaldescriptionNode description (may be empty for facet leaves).
OptionaldocDocuments under the node, where tracked (topics and facet nodes).
OptionalfacetThe metadata field a facet node belongs to.
OptionalidPersistable handle, present only where one exists: facet nodeIds (stable across rebuilds) and document contextIds. Topic and entity refs re-resolve by name — their internal ids are omitted.
What kind of node matched.
Display name (document title, entity/topic/facet name).
One node matched by a graph query (
resolve, and the anchors of other ops).