Test plan

gistfile1.js

diff --git a/web/root.js b/web/root.js
index 0c169af56..628b6a786 100644
--- a/web/root.js
+++ b/web/root.js
@@ -16,6 +16,9 @@ import App from './app.react.js';
 import { SQLiteDataHandler } from './database/sqlite-data-handler.js';
 import { localforageConfig } from './database/utils/constants.js';
 import ErrorBoundary from './error-boundary.react.js';
+import { VersionInterceptor, AuthInterceptor } from './grpc/interceptor.js';
+import * as IdentityClient from './protobufs/identity-client.cjs';
+import { Empty } from './protobufs/identity-structs.cjs';
 import { defaultWebState } from './redux/default-state.js';
 import InitialReduxStateGate from './redux/initial-state-gate.js';
 import { persistConfig } from './redux/persist.js';
@@ -23,6 +26,20 @@ import { type AppState, type Action, reducer } from './redux/redux-setup.js';
 import history from './router-history.js';
 import Socket from './socket.react.js';
 
+const opts = {
+  unaryInterceptors: [
+    new VersionInterceptor(),
+    new AuthInterceptor('alice', '1234', 'abcd'),
+  ],
+};
+
+const PromiseClient = IdentityClient.IdentityClientServicePromiseClient;
+const client = new PromiseClient('http://localhost:50054', null, opts);
+(async () => {
+  const result = await client.generateNonce(new Empty());
+  console.log(`result: ${result.getNonce()}`);
+})();
+
 localforage.config(localforageConfig);
 
 const persistedReducer = persistReducer(persistConfig, reducer);