Project sequence evidence through item mappings

2026-10-23 18:07:15 +00:00
parent 7b04dc6a50
commit f6b02dec03
10 changed files with 374 additions and 66 deletions
--- a/internal/engine/directives.go
+++ b/internal/engine/directives.go
@@ -165,10 +165,11 @@ func fragmentVersionClaimWithIndex(root *document.Node, rule *VersionRule, sourc
 				return current
 			}
 			if assigned, found := ranges[sequenceRangeKey{sourceIndex: sourceIndex, path: currentPath.String()}]; found {
-				if index < assigned.start || index >= assigned.end {
+				projected, ok := assigned.inputForOutput(index)
+				if !ok {
 					return nil
 				}
-				index -= assigned.start
+				index = projected
 			}
 			if index < 0 || index >= len(current.Sequence) {
 				return nil