Let the TypeScript mesh client take every role's tools from the console on its machine, so it asks the controller for none (issue 1955, ADR 0571 clause 5)

The Go console answers mesh/seats beside MCP's methods from mesh-sdk's seat
definitions and placement's seat-holders. The console test that runs bundles
expects the unread seat-holders line beside ghost.

node-tools/internal/console/runtimes_test.go

@@ -142,6 +142,12 @@ func TestARuntimeThatAnswersLateIsFoundAndOneThatNeverDoesIsNamed(t *testing.T)
 		t.Errorf("the late runtime's machine lists nothing: %s", machine)
 	}
 
+	// The seats' contract and holders, for a client on this machine with no seat definitions (the TypeScript `mesh`).
+	seats := post(t, endpoint, `{"jsonrpc":"2.0","id":9,"method":"mesh/seats"}`)
+	if raw, _ := json.Marshal(seats["result"]); !strings.Contains(string(raw), `"holders":[{"module":"mesh-delivery-assigner","node":"bench"}],"scope":"mesh","seat":"mesh-wants"`) ||
+		!strings.Contains(string(raw), `"replaces":["journalctl"]`) {
+		t.Errorf("mesh/seats answered %s", raw)
+	}
 	if n := toolsAsked.Load(); n != 0 {
 		t.Errorf("the console asked the controller's tools %d times", n)
 	}