Read the foundation's ports from each node's settings, wherever a port is used (hq ADR 0100)

internal/catalogue/settings.go

@@ -101,6 +101,11 @@ func settle(base map[string]any, layers []Layer, protected map[string]bool, what
 	merged := deepCopy(base)
 	for _, layer := range layers {
 		for key, value := range layer.Values {
+			if key == PortsSetting {
+				// Where the machine puts a port is the mesh's to apply, not a value for a file or
+				// for what a consumer is told (novox/hq ADR 0100); it reaches both as the port.
+				continue
+			}
 			if protected[key] {
 				// The module said it must own this one. Refused rather than ignored: a setting
 				// that is quietly dropped is somebody believing they changed something.
@@ -176,6 +181,11 @@ func UnusedSettings(m Manifest, layers []Layer) []string {
 			if key == ExposeSetting && len(m.Listens) > 0 {
 				continue
 			}
+			// `ports` gives a module's port a machine port on one node (novox/hq ADR 0100),
+			// validated in GivenPorts, so it is not stray here either.
+			if key == PortsSetting {
+				continue
+			}
 			unused = append(unused, fmt.Sprintf(
 				"%s sets %q, and %s has no file or contribution to merge it into",
 				layer.From, key, m.Module))