Require exact resolved paths for explicit help

execute.go

@@ -161,7 +161,9 @@ func (current *execution) renderHelpTargets(targets []string) Outcome {
 		return Failure(errors.New("cannot render help without command metadata"))
 	}
 	route := resolveEnteredRoute(targets, snapshot)
-	if route.kind == routeUnknown {
+	// Explicit help targets are paths, not command invocations with operands.
+	// Discovery routes have no canonical path and retain only trailing options.
+	if route.kind == routeUnknown || len(route.args) != len(route.canonicalPath) {
 		session := internalcobra.Prepare(snapshot.metadata, current.options)
 		return current.app.renderHelpOutcomeWithSession(targets, current.streams, session)
 	}