diff --git a/src/components/__tests__/attendance-tracker.test.js b/src/components/__tests__/attendance-tracker.test.js
new file mode 100644
index 00000000..0b2edc50
--- /dev/null
+++ b/src/components/__tests__/attendance-tracker.test.js
@@ -0,0 +1,56 @@
+/**
+ * AttendanceTracker reads the access token through security/methods.getAccessToken,
+ * so a registered resolver must be what the metrics calls send.
+ * superagent is mocked; the token path is real.
+ */
+import React from "react";
+import { render, act } from "@testing-library/react";
+import http from "superagent/lib/client";
+import { setAccessTokenResolver } from "../security/methods";
+import AttendanceTracker from "../attendance-tracker";
+
+jest.mock("superagent/lib/client", () => {
+  const end = jest.fn();
+  const send = jest.fn(() => ({ end }));
+  return { put: jest.fn(() => ({ send })), post: jest.fn(() => ({ send })), __send: send };
+});
+
+const flush = async () => {
+  for (let i = 0; i < 4; i++) await new Promise((r) => setTimeout(r, 0));
+};
+
+describe("AttendanceTracker with an access-token resolver", () => {
+  const props = { apiBaseUrl: "https://api.test", summitId: 13, sourceId: 7, sourceName: "EVENT" };
+
+  beforeEach(() => {
+    jest.clearAllMocks();
+    navigator.sendBeacon = jest.fn();
+  });
+
+  afterEach(() => setAccessTokenResolver(null));
+
+  test("enter, leave and the unload beacon all send the resolver's token", async () => {
+    const resolver = jest.fn(() => Promise.resolve("RES-TOK"));
+    setAccessTokenResolver(resolver);
+
+    const { unmount } = render(<AttendanceTracker {...props} />);
+    await act(flush);
+    expect(http.put).toHaveBeenCalledWith("https://api.test/api/v1/summits/13/metrics/enter");
+    expect(http.__send).toHaveBeenCalledWith(
+      expect.objectContaining({ access_token: "RES-TOK", type: "EVENT", source_id: 7 })
+    );
+
+    await act(async () => {
+      window.dispatchEvent(new Event("beforeunload"));
+      await flush();
+    });
+    const beaconUrl = navigator.sendBeacon.mock.calls[0][0];
+    expect(beaconUrl).toContain("/api/v1/summits/13/metrics/leave?access_token=RES-TOK");
+
+    jest.clearAllMocks();
+    unmount();
+    await act(flush);
+    expect(http.post).toHaveBeenCalledWith("https://api.test/api/v1/summits/13/metrics/leave");
+    expect(http.__send).toHaveBeenCalledWith(expect.objectContaining({ access_token: "RES-TOK" }));
+  });
+});
diff --git a/src/components/security/__tests__/get-user-info.test.js b/src/components/security/__tests__/get-user-info.test.js
new file mode 100644
index 00000000..669fb02e
--- /dev/null
+++ b/src/components/security/__tests__/get-user-info.test.js
@@ -0,0 +1,50 @@
+/**
+ * getUserInfo reads the access token through security/methods.getAccessToken,
+ * so a registered resolver must be what the /members/me request sends.
+ * The request pipeline (utils/actions) is mocked; the token path is real.
+ */
+jest.mock("../../../utils/actions", () => ({
+  getRequest: jest.fn(),
+  createAction: jest.fn((t) => ({ type: t })),
+  authErrorHandler: jest.fn(),
+  showMessage: jest.fn(() => () => {}),
+  startLoading: jest.fn(() => ({ type: "START_LOADING" })),
+  stopLoading: jest.fn(() => ({ type: "STOP_LOADING" })),
+}));
+jest.mock("../../../utils/methods", () => ({
+  buildAPIBaseUrl: jest.fn((p) => `BASE${p}`),
+  getAllowedUserGroups: jest.fn(() => ""),
+}));
+
+import { getUserInfo } from "../actions";
+import { setAccessTokenResolver } from "../methods";
+import { getRequest } from "../../../utils/actions";
+
+describe("getUserInfo with an access-token resolver", () => {
+  afterEach(() => {
+    setAccessTokenResolver(null);
+    jest.clearAllMocks();
+  });
+
+  test("sends the resolver's token to /members/me", async () => {
+    const resolver = jest.fn(() => Promise.resolve("RES-TOK"));
+    setAccessTokenResolver(resolver);
+    const withParams = jest.fn(() => jest.fn(() => Promise.resolve()));
+    getRequest.mockReturnValue(withParams);
+    const dispatch = jest.fn();
+    const getState = jest.fn(() => ({ loggedUserState: { member: null } }));
+
+    await getUserInfo("groups", "", null, null, null)(dispatch, getState);
+
+    expect(resolver).toHaveBeenCalled();
+    expect(getRequest).toHaveBeenCalledWith(
+      expect.anything(),
+      expect.anything(),
+      "BASE/api/v1/members/me",
+      expect.anything()
+    );
+    expect(withParams).toHaveBeenCalledWith(
+      expect.objectContaining({ access_token: "RES-TOK", expand: "groups" })
+    );
+  });
+});
diff --git a/src/components/security/__tests__/methods.test.js b/src/components/security/__tests__/methods.test.js
index f1e6089a..9317d4c8 100644
--- a/src/components/security/__tests__/methods.test.js
+++ b/src/components/security/__tests__/methods.test.js
@@ -3,7 +3,7 @@ import {
     AUTH_ERROR_REFRESH_TOKEN_NETWORK_ERROR,
 } from '../constants';
 
-import { refreshAccessToken, retryWithBackoff } from '../methods';
+import { refreshAccessToken, retryWithBackoff, getAccessToken, setAccessTokenResolver } from '../methods';
 
 // Mock utils/methods imports used by security/methods
 jest.mock('../../../utils/methods', () => ({
@@ -370,3 +370,45 @@ describe('retryWithBackoff', () => {
         setTimeoutSpy.mockRestore();
     });
 });
+
+describe('setAccessTokenResolver / getAccessToken', () => {
+    afterEach(() => setAccessTokenResolver(null));
+
+    it('delegates to a registered resolver', async () => {
+        const resolver = jest.fn().mockResolvedValue('tok-A');
+        setAccessTokenResolver(resolver);
+        await expect(getAccessToken()).resolves.toBe('tok-A');
+        expect(resolver).toHaveBeenCalledTimes(1);
+    });
+
+    it('a later resolver replaces the previous one', async () => {
+        setAccessTokenResolver(jest.fn().mockResolvedValue('tok-A'));
+        const next = jest.fn().mockResolvedValue('tok-B');
+        setAccessTokenResolver(next);
+        await expect(getAccessToken()).resolves.toBe('tok-B');
+        expect(next).toHaveBeenCalledTimes(1);
+    });
+
+    it('a non-function argument clears the resolver (built-in flow runs)', async () => {
+        const resolver = jest.fn().mockResolvedValue('tok-A');
+        setAccessTokenResolver(resolver);
+        setAccessTokenResolver(undefined);
+        await getAccessToken().catch(() => {});
+        expect(resolver).not.toHaveBeenCalled();
+    });
+
+    it('a resolver registered on one module copy is visible to a second copy', async () => {
+        // The slot rides globalThis under Symbol.for, so duplicate installs of
+        // the package (nested node_modules, symlinked dev installs) share it.
+        const resolver = jest.fn().mockResolvedValue('tok-shared');
+        setAccessTokenResolver(resolver);
+
+        let secondCopy;
+        jest.isolateModules(() => {
+            secondCopy = require('../methods');
+        });
+        expect(secondCopy.getAccessToken).not.toBe(getAccessToken);
+        await expect(secondCopy.getAccessToken()).resolves.toBe('tok-shared');
+        expect(resolver).toHaveBeenCalledTimes(1);
+    });
+});
diff --git a/src/components/security/methods.js b/src/components/security/methods.js
index 95339055..00a312f7 100644
--- a/src/components/security/methods.js
+++ b/src/components/security/methods.js
@@ -342,10 +342,28 @@ const _getAccessToken = async () => {
     return accessToken;
 }
 
+/**
+ * Optional resolver for getAccessToken, set via setAccessTokenResolver. When
+ * present, getAccessToken delegates to it; otherwise the built-in flow runs.
+ * Pass a non-function (or nothing) to reset to the built-in.
+ *
+ * The slot lives on globalThis under a Symbol.for key so every copy of this
+ * module shares it: bundles that inlined methods.js, nested installs of the
+ * package, and symlinked dev installs all read the same registry entry.
+ */
+const ACCESS_TOKEN_RESOLVER_KEY = Symbol.for('openstack-uicore-foundation.accessTokenResolver');
+
+export const setAccessTokenResolver = (resolver) => {
+    globalThis[ACCESS_TOKEN_RESOLVER_KEY] = typeof resolver === 'function' ? resolver : null;
+};
+
 /**
  * @returns {Promise<*|undefined>}
  */
 export const getAccessToken = async () => {
+    const resolveAccessToken = globalThis[ACCESS_TOKEN_RESOLVER_KEY];
+    if (resolveAccessToken) return resolveAccessToken();
+
     if (typeof navigator !== 'undefined' && navigator.locks) {
         return await navigator.locks.request(GET_TOKEN_SILENTLY_LOCK_KEY, async lock => {
             console.log(`openstack-uicore-foundation::Security::methods::getAccessToken web lock api`, lock);
diff --git a/src/utils/__tests__/query-actions.test.js b/src/utils/__tests__/query-actions.test.js
new file mode 100644
index 00000000..59baf53a
--- /dev/null
+++ b/src/utils/__tests__/query-actions.test.js
@@ -0,0 +1,60 @@
+/**
+ * query-actions reads the access token through security/methods.getAccessToken,
+ * so a registered resolver must be what every query* function sends.
+ *
+ * lodash/debounce is mocked to a passthrough so the query* functions run
+ * synchronously; the debounce delay is unrelated to the token path.
+ */
+import { setAccessTokenResolver } from "../../components/security/methods";
+import { queryMembers, querySummits } from "../query-actions";
+
+jest.mock("lodash/debounce", () => (fn) => fn);
+
+const flush = async () => {
+  for (let i = 0; i < 6; i++) await new Promise((r) => setTimeout(r, 0));
+};
+
+describe("query-actions with an access-token resolver", () => {
+  let origFetch;
+
+  beforeEach(() => {
+    window.API_BASE_URL = "https://api.test";
+    origFetch = global.fetch;
+    global.fetch = jest.fn(() =>
+      Promise.resolve({ ok: true, json: () => Promise.resolve({ data: [{ id: 1 }] }) })
+    );
+  });
+
+  afterEach(() => {
+    setAccessTokenResolver(null);
+    global.fetch = origFetch;
+    jest.clearAllMocks();
+  });
+
+  test("sends the resolver's token as access_token", async () => {
+    const resolver = jest.fn(() => Promise.resolve("RES-TOK"));
+    setAccessTokenResolver(resolver);
+    const cb = jest.fn();
+
+    queryMembers("x", cb);
+    await flush();
+
+    expect(resolver).toHaveBeenCalled();
+    expect(global.fetch).toHaveBeenCalledTimes(1);
+    const url = decodeURIComponent(global.fetch.mock.calls[0][0]);
+    expect(url).toContain("https://api.test/api/v1/members");
+    expect(url).toContain("access_token=RES-TOK");
+    expect(cb).toHaveBeenCalledWith([{ id: 1 }]);
+  });
+
+  test("a resolver failure calls back with the error and does not fetch", async () => {
+    setAccessTokenResolver(() => Promise.reject(new Error("no session")));
+    const cb = jest.fn();
+
+    querySummits("x", cb);
+    await flush();
+
+    expect(cb).toHaveBeenCalledWith(expect.any(Error));
+    expect(global.fetch).not.toHaveBeenCalled();
+  });
+});
diff --git a/src/utils/query-actions.js b/src/utils/query-actions.js
index fe35ff1c..6f0ebb95 100644
--- a/src/utils/query-actions.js
+++ b/src/utils/query-actions.js
@@ -31,8 +31,8 @@ const _fetchPublic = async (endpoint, callback, options = {}) => {
                 callback(json.data);
         })
         .catch(response => {
-            const code = response.status;
-            if (code === 404) callback([]);
+            const code = response && response.status;
+            if (code === 404 && typeof callback === 'function') callback([]);
             return response;
         })
         .catch(fetchErrorHandler);
@@ -68,9 +68,12 @@ const _fetch = async (endpoint, callback, options = {}) => {
     try {
         accessToken = await getAccessToken();
     } catch (e) {
+        // The caller is told through its callback; the query* functions do not
+        // await this promise, so rejecting here would only surface as an
+        // unhandled rejection.
         if(typeof callback === 'function')
             callback(e);
-        return Promise.reject();
+        return;
     }
 
     endpoint.addQuery('access_token', accessToken);