Cleanup record encoding logic, add tests

server/codegen/assets/templates/gocode/envoy/yaml_decode.go.tpl

@@ -30,6 +30,7 @@ type (
 	YamlDecoder struct{}
 	documentContext struct {
 		references map[string]string
+		parentIdent envoyx.Identifiers
 	}
 	auxYamlDoc  struct {
 		nodes envoyx.NodeSet
@@ -393,6 +394,9 @@ func (d *auxYamlDoc) unmarshal{{ .expIdent }}Node(dctx documentContext, n *yaml.
 		return
 	}
 
+	// Make parent identifiers available through the dctx
+	dctx.parentIdent = ii
+
 	{{ if eq $cmpIdent "compose" }}
 	// Handle global namespace reference which can be provided as the doc. context
 	//