Resolve inheritance between identified records

internal/engine/inheritance_identified.go

@@ -22,6 +22,18 @@ type identifiedInheritanceGraph struct {
 	byIdentity map[string]int
 }
 
+func sequenceHasIdentifiedInheritanceReferences(sequence *document.Node) bool {
+	if sequence == nil || sequence.Kind != document.Sequence {
+		return false
+	}
+	for _, item := range sequence.Sequence {
+		if directive, found := inheritanceDirective(item); found && directive.Value.Kind != document.Null {
+			return true
+		}
+	}
+	return false
+}
+
 // analyzeIdentifiedInheritanceGraph validates relationships inside one
 // identified sequence. It prepares a graph only; mapping-sibling expansion
 // remains the active inheritance behavior until the reusable scope executor is