Master switch; when false all other fields are ignored.
Optional querySemantic query forwarded to CapabilityDiscoveryEngine.
Optional kindRestricts discovery to a specific capability kind.
Optional maxMaximum number of results injected into the node's context.
Optional fallbackBehaviour when discovery returns no results.
'all' injects the full capability list; 'error' aborts the node.
Controls dynamic capability discovery performed before or during node execution.