Add destination workflow config

internal/config/defaults.go

@@ -42,6 +42,11 @@ const (
 	LinkPrimarySource = "source"
 )
 
+const (
+	WorkflowAdditive    = "additive"
+	WorkflowReplacement = "replacement"
+)
+
 const (
 	ReconciliationModeReplace = "replace"
 	ReconciliationModeMerge   = "merge"
@@ -96,6 +101,9 @@ func ApplyDefaults(cfg *Config) {
 			if destination.Links != nil && destination.Links.Primary == "" {
 				destination.Links.Primary = LinkPrimaryAuto
 			}
+			if destination.Workflow == "" {
+				destination.Workflow = WorkflowAdditive
+			}
 			if destination.State.Mode == "" {
 				destination.State.Mode = StateModeSingleOwner
 			}