Drop the view's use of the build seats: it reads their workers and publishes no ask (issue 1887 A8a)

modules/mesh-delivery-view/manifest_test.go

@@ -94,9 +94,9 @@ func TestManifestIsTakenAndReadsOnly(t *testing.T) { // 1134/AC7
 			t.Errorf("the manifest declares %q: the view writes only its answers", k)
 		}
 	}
-	// The view reads the build seats' streams for the backlog of asks (issue 1887 A8a): the three seats it uses.
-	if want := []string{"node-build-go", "node-build-image", "node-build-node"}; !reflect.DeepEqual(m.Uses, want) {
-		t.Errorf("uses = %v, want %v", m.Uses, want)
+	// The view uses no build seat: it reads their workers by the broker's named grant and publishes no ask (ADR 0525 §2).
+	if len(m.Uses) != 0 {
+		t.Errorf("uses = %v, want none", m.Uses)
 	}
 	// The one state the view writes: the operator's answers to the asks that need no proof (ADR 0528 clause 6, 1297/B9), which the teller reads.
 	if want := []state{{Name: "answers", History: 5}}; !reflect.DeepEqual(m.State, want) {

modules/mesh-delivery-view/module.json

@@ -28,11 +28,6 @@
     "mesh-delivery-watchman.stuck",
     "node-engine.have"
   ],
-  "uses": [
-    "node-build-go",
-    "node-build-image",
-    "node-build-node"
-  ],
   "own-secrets": {
     "broker": "${dir:state}/broker"
   },