Bind companion inputs to the main context

internal/engine/acquisition.go

@@ -20,6 +20,7 @@ type tierAcquisitionState struct {
 
 type inputAcquisitionRequest struct {
 	input            loadInput
+	resolved         *resolvedFilesystemContext
 	role             sourceVersionRole
 	directiveContext rootDirectiveContext
 	protectionRule   *VersionRule
@@ -126,6 +127,12 @@ func acquireStandaloneInput(input assembledInput, request inputAcquisitionReques
 	if processing != nil {
 		input.document = processing.payload
 	}
+	if request.resolved != nil {
+		if diagnostic := validateResolvedFilesystemDirectories(*request.resolved); diagnostic != nil {
+			return input, []Diagnostic{*diagnostic}
+		}
+		input.resolvedFilesystem = request.resolved
+	}
 	if request.input.filesystem != nil && (input.source.kind == sourceNone || !activeOverlay(request.ordinaryOverlay)) {
 		resolved, diagnostic := validateFilesystemContext(input.source, request.input.filesystem, parsed, tier.hostToken)
 		if diagnostic != nil {