Prepare resolution entry provenance view

metadata.go

@@ -113,9 +113,8 @@ func (m Metadata) hasHistoricalPath(path Path) bool {
 }
 
 func finalizeMetadataPaths(m *Metadata, final *document.Node, applications []historyApplication, earlier ...*document.Node) {
-	m.effectivePaths = make(map[string]Path)
+	m.effectivePaths = effectivePathIndex(final)
 	m.historicalPaths = make(map[string][]Path)
-	walkDocument(final, Path{}, func(path Path, _ *document.Node) { m.effectivePaths[path.String()] = path.clone() })
 	add := func(path Path, _ *document.Node) {
 		pointer := path.String()
 		for _, prior := range m.historicalPaths[pointer] {
@@ -138,3 +137,13 @@ func finalizeMetadataPaths(m *Metadata, final *document.Node, applications []his
 		walkDocument(application.value, prefix, add)
 	}
 }
+
+// effectivePathIndex records document-derived paths with their contextual segment
+// kinds. Callers retain no aliases to the walked tree or its paths.
+func effectivePathIndex(final *document.Node) map[string]Path {
+	paths := make(map[string]Path)
+	walkDocument(final, Path{}, func(path Path, _ *document.Node) {
+		paths[path.String()] = path.clone()
+	})
+	return paths
+}