Remove superseded history attribution paths

internal/engine/inheritance_history.go

@@ -1,63 +1,6 @@
 package engine
 
-import (
-	"slices"
-
-	"gitea.maximumdirect.net/eric/ConfigKit/internal/document"
-)
-
-// Retain source history at original paths. Structural operations are held once
-// per relationship and projected onto a requested destination path only when
-// History or Explain is queried.
-func applyInheritanceMetadata(metadata *Metadata, raw *document.Node, rawOrigins map[string]Origin, overlays []overlayRecord, expansion *inheritanceScope) {
-	if metadata == nil || expansion == nil {
-		return
-	}
-	sourceView := Metadata{
-		fields:  make(map[string]FieldInfo),
-		history: metadata.history,
-	}
-	walkDocument(raw, Path{}, func(path Path, node *document.Node) {
-		origin, found := rawOrigins[path.String()]
-		if !found {
-			origin = Origin{Layer: LayerBase, Locations: []Location{publicLocation(node.Location)}}
-		}
-		sourceView.fields[path.String()] = FieldInfo{Explicit: true, Null: node.Kind == document.Null, Origin: cloneOrigin(origin)}
-	})
-	applyOverlayMetadata(&sourceView, overlays)
-	metadata.history = sourceView.history
-}
-
-func historyWithInheritance(path Path, stored []Change, operations []inheritanceOperation) []Change {
-	split := len(stored)
-	for index, change := range stored {
-		if change.Origin.Layer == LayerCLI || change.Origin.Layer == LayerResolution {
-			split = index
-			break
-		}
-	}
-	history := cloneChanges(stored[:split])
-	for _, operation := range operations {
-		for _, change := range projectedInheritanceChanges(path, operation) {
-			if len(history) != 0 {
-				change.Previous = []Origin{cloneOrigin(history[len(history)-1].Origin)}
-			}
-			history = append(history, change)
-		}
-	}
-	for _, change := range stored[split:] {
-		cloned := cloneChange(change)
-		if len(history) != 0 {
-			cloned.Previous = []Origin{cloneOrigin(history[len(history)-1].Origin)}
-		}
-		history = append(history, cloned)
-	}
-	return history
-}
-
-func projectedInheritanceChanges(query Path, operation inheritanceOperation) []Change {
-	return inheritanceChangesForQuery(query, operation)
-}
+import "slices"
 
 func transferredOperationOrigin(operation inheritanceOperation, destination Path) (Origin, bool) {
 	if inheritanceOperationIdentity(operation, destination) {