Integrate history prefixes into load handoffs

internal/engine/load_result.go

@@ -12,6 +12,7 @@ type resolvedLoad[T any] struct {
 	configuration   T
 	decoded         decodedConfiguration
 	metadata        Metadata
+	historyBuilder  *historyBuilder
 	final           *document.Node
 	snapshots       []resolutionSnapshot
 	applications    []historyApplication
@@ -56,9 +57,14 @@ func resolveLoadInput[T any](schema *schemaDescriptor, definition Definition[T],
 	decoded := prepared.decoded
 	configuration := decoded.value.Interface().(T)
 	metadata := prepared.metadata
+	builder := prepared.historyBuilder
+	if builder == nil {
+		builder = metadata.historyBuilder
+	}
 	final := decoded.final
 	referenceInput := prepared.referenceInput
 	var resolutionSnapshots []resolutionSnapshot
+	refreshReferenceInput := false
 	if definition.Resolve != nil {
 		resolved := runResolution(&configuration, definition.Resolve, schema, decoded, referenceInput, prepared.resolution)
 		diagnostics = append(diagnostics, resolved.diagnostics...)
@@ -67,7 +73,18 @@ func resolveLoadInput[T any](schema *schemaDescriptor, definition Definition[T],
 		}
 		final = resolved.final
 		resolutionSnapshots = resolved.snapshots
+		if builder != nil && len(resolutionSnapshots) != 0 {
+			builder.observeResolutionEvidence(resolutionSnapshots)
+		}
 		applyResolutionMetadata(&metadata, resolved, prepared.resolution)
+		finalizeEffectiveMetadataPaths(&metadata, final)
+		refreshReferenceInput = true
+	}
+	if builder != nil {
+		builder.model.final = final
+		builder.registerDocumentRoot(final)
+	}
+	if refreshReferenceInput {
 		referenceInput = documentWithMetadataLocations(final, metadata, input.document)
 	}
 	applications := []historyApplication(nil)
@@ -81,7 +98,7 @@ func resolveLoadInput[T any](schema *schemaDescriptor, definition Definition[T],
 		versionEvidence = append(versionEvidence, input.versionState.evidence...)
 	}
 	return resolvedLoad[T]{
-		configuration: configuration, decoded: decoded, metadata: metadata, final: final,
+		configuration: configuration, decoded: decoded, metadata: metadata, historyBuilder: builder, final: final,
 		snapshots: resolutionSnapshots, applications: applications,
 		postDecodeApps: prepared.postDecodeApps, structuralInput: document.Clone(prepared.structuralInput),
 		preCLI: prepared.preCLI, preCLIOrigins: prepared.preCLIOrigins, referenceInput: referenceInput,
@@ -101,6 +118,9 @@ func detachLoadConfiguration[T any](schema *schemaDescriptor, configuration T, m
 
 func prepareInspectionHistory[T any](resolved resolvedLoad[T], counter *retainedNodeCounter) (*Inspection, bool) {
 	metadata := resolved.metadata
+	if resolved.historyBuilder != nil {
+		metadata.historyBuilder = resolved.historyBuilder
+	}
 	metadata.inheritance = nil
 	inspection := &Inspection{
 		metadata:         metadata,