refactor: centralize frontend auth query gating

src/pages/account/ui/AccountPage.vm.test.tsx

@@ -4,15 +4,12 @@ import { renderHook, waitFor } from "@testing-library/react";
 import { HttpResponse, http } from "msw";
 import type { ReactNode } from "react";
 import { MemoryRouter, Route, Routes } from "react-router";
-import { describe, expect, it, vi } from "vitest";
+import { afterEach, describe, expect, it, vi } from "vitest";
 import type { Portfolio } from "@/entities/portfolio";
+import { configureAuthClient } from "@/shared/api";
 import { server } from "@/test/server";
 import { useAccountPageViewModel } from "./AccountPage.vm";
 
-vi.mock("@/features/auth", () => ({
-	useAuth: () => ({ accessToken: "test-token" }),
-}));
-
 const portfolio: Portfolio = {
 	lastSuccessfulAt: "2026-08-13T10:00:00Z",
 	isStale: true,
@@ -55,6 +52,14 @@ const portfolio: Portfolio = {
 	cashBalances: [{ currency: "USD", value: "1" }],
 };
 
+function configureTestAuth() {
+	configureAuthClient({
+		accessToken: () => "test-token",
+		refresh: async () => true,
+		clear: vi.fn(),
+	});
+}
+
 function wrapper({ children }: { children: ReactNode }) {
 	return (
 		<QueryClientProvider client={new QueryClient()}>
@@ -121,7 +126,10 @@ function mockLoadedAccountPage() {
 }
 
 describe("useAccountPageViewModel", () => {
+	afterEach(() => configureAuthClient(null));
+
 	it("prepares grouped position sections with derived display data", async () => {
+		configureTestAuth();
 		mockLoadedAccountPage();
 
 		const { result } = renderHook(() => useAccountPageViewModel(), { wrapper });
@@ -175,6 +183,7 @@ describe("useAccountPageViewModel", () => {
 	});
 
 	it("prepares recent operations and events state for presentation views", async () => {
+		configureTestAuth();
 		mockLoadedAccountPage();
 
 		const { result } = renderHook(() => useAccountPageViewModel(), { wrapper });
@@ -207,6 +216,7 @@ describe("useAccountPageViewModel", () => {
 	});
 
 	it("keeps recent errors isolated in the ViewModel presentation state", async () => {
+		configureTestAuth();
 		server.use(
 			http.get("*/api/v1/brokerage-accounts/:accountId/portfolio", () =>
 				HttpResponse.json(portfolio),