refactor: enforce frontend view model boundaries

src/app/routes/AppRoutes/AppRoutes.test.tsx

@@ -62,6 +62,7 @@ describe("AppRoutes", () => {
 		server.use(
 			http.post("*/api/v1/auth/login", async ({ request }) => {
 				credentials = await request.json();
+
 				return HttpResponse.json({
 					accessToken: "login-token",
 					user: { email: "user@example.com", id: "user-1" },
@@ -103,7 +104,8 @@ describe("AppRoutes", () => {
 			),
 			http.get("*/api/v1/bank-cards", () => HttpResponse.json([])),
 			http.get("*/api/v1/bank-cards/summary", () =>
-				HttpResponse.json((/* eslint-disable unicorn/no-null -- Fixture preserves the production contract’s explicit null values. */
+				/* eslint-disable unicorn/no-null -- Fixture preserves the production contract’s explicit null values. */
+				HttpResponse.json(
 					{
 						cardId: null,
 						categories: [],
@@ -111,8 +113,9 @@ describe("AppRoutes", () => {
 						month: "2026-08",
 						net: { currency: "RUB", value: "0" },
 						refunds: { currency: "RUB", value: "0" },
-					}
-					/* eslint-enable unicorn/no-null */)),
+					},
+					/* eslint-enable unicorn/no-null */
+				),
 			),
 		);
 		renderRoutes("/cards?month=2026-08");