disk-load reads the node-engine's data state through the node-engine client and the seat's types (B5e; ADR 0634 §1, §4; issue 1966)

Claude-Session: https://claude.ai/code/session_01NcbgfFSnn24M3GcqttoU7i

modules/disk-load/cmd/disk-load/packages_test.go

@@ -3,6 +3,7 @@ package main
 import (
 	"encoding/json"
 	"os"
+	"slices"
 	"testing"
 )
 
@@ -13,6 +14,7 @@ func TestTheReadingsLayoutIsAPublishedPackageOfThisModule(t *testing.T) {
 		t.Fatal(err)
 	}
 	var m struct {
+		Reads []string `json:"reads"`
 		Build struct {
 			Artifacts []struct {
 				Name, Kind, Series string
@@ -23,6 +25,10 @@ func TestTheReadingsLayoutIsAPublishedPackageOfThisModule(t *testing.T) {
 	if err := json.Unmarshal(raw, &m); err != nil {
 		t.Fatal(err)
 	}
+	// The node-engine's data state is read under the one name of its holder this module keeps.
+	if !slices.Contains(m.Reads, engineDataRead) {
+		t.Errorf("reads %v do not name %s", m.Reads, engineDataRead)
+	}
 	for _, a := range m.Build.Artifacts {
 		if a.Name == "diskreadings" && a.Kind == "package" && a.Series == "0.1" && len(a.Paths) == 1 && a.Paths[0] == "diskreadings" {
 			return