H4 (review r2, A-307): the node-engine's manifest names no uses; its invoke of seat:mesh-grants.withheld is the edge

Builds: design 47 G §635

module.json

@@ -39,9 +39,6 @@
       ]
     }
   ],
-  "uses": [
-    "mesh-grants"
-  ],
   "invokes": [
     "seat:mesh-catalog.entry",
     {"verb": "seat:mesh-catalog.revision", "fields": ["none-yet"]},

packaging/operator_keys_test.go

@@ -63,6 +63,7 @@ func TestTheManifestConsumesTheBackupEvent(t *testing.T) {
 	}
 	var m struct {
 		Consumes []string `json:"consumes"`
+		Uses     []string `json:"uses"`
 		Invokes  []any    `json:"invokes"` // a verb, or the long form {verb, fields} (§558)
 		Config   map[string]struct {
 			Default any `json:"default"`
@@ -73,6 +74,9 @@ func TestTheManifestConsumesTheBackupEvent(t *testing.T) {
 	}
 	// Design 47 G §630, §633, A-77: the recovery module's three verbs it asks, and its bound as a config key of 90.
 	// §635, §558, §617: it invokes `withheld` and names no `uses`; the catalog's revision in the long form with the field none-yet.
+	if len(m.Uses) != 0 {
+		t.Errorf("uses is %v, want none: the invoke of seat:mesh-grants.withheld is the edge (§635, A-307)", m.Uses)
+	}
 	for _, v := range []any{"seat:mesh-recovery.kept-points", "seat:mesh-recovery.restore-kept", "seat:mesh-recovery.snapshot-kept",
 		"seat:mesh-grants.withheld", map[string]any{"verb": "seat:mesh-catalog.revision", "fields": []any{"none-yet"}}} {
 		if !slices.ContainsFunc(m.Invokes, func(have any) bool { return reflect.DeepEqual(have, v) }) {