chore: finish frontend ESLint migration #18

Enable every plugin recommended preset and replace Biome with ESLint formatting.

Preserve API contracts and JSX whitespace; verify source, tests, builds and tooling.

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

@@ -2,32 +2,34 @@ import { MantineProvider } from "@mantine/core";
 import { QueryClientProvider } from "@tanstack/react-query";
 import { fireEvent, render, screen } from "@testing-library/react";
 import { cssVariablesResolver, theme } from "@wealthledger/ui/theme";
-import { HttpResponse, http } from "msw";
+import { http, HttpResponse } from "msw";
 import { MemoryRouter } from "react-router";
 import { describe, expect, it } from "vitest";
+
 import { AuthProvider } from "@/features/auth";
 import { createTestQueryClient } from "@/test/query";
 import { server } from "@/test/server";
+
 import { AppRoutes } from "./AppRoutes";
 
-describe("AppRoutes", () => {
-	function renderRoutes(path: string) {
-		return render(
-			<QueryClientProvider client={createTestQueryClient()}>
-				<MemoryRouter initialEntries={[path]}>
-					<MantineProvider
-						cssVariablesResolver={cssVariablesResolver}
-						theme={theme}
-					>
-						<AuthProvider>
-							<AppRoutes />
-						</AuthProvider>
-					</MantineProvider>
-				</MemoryRouter>
-			</QueryClientProvider>,
-		);
-	}
+function renderRoutes(path: string) {
+	return render(
+		<QueryClientProvider client={createTestQueryClient()}>
+			<MemoryRouter initialEntries={[path]}>
+				<MantineProvider
+					cssVariablesResolver={cssVariablesResolver}
+					theme={theme}
+				>
+					<AuthProvider>
+						<AppRoutes />
+					</AuthProvider>
+				</MantineProvider>
+			</MemoryRouter>
+		</QueryClientProvider>,
+	);
+}
 
+describe("AppRoutes", () => {
 	it.each([
 		["/", "Вход"],
 		["/login", "Вход"],
@@ -62,7 +64,7 @@ describe("AppRoutes", () => {
 				credentials = await request.json();
 				return HttpResponse.json({
 					accessToken: "login-token",
-					user: { id: "user-1", email: "user@example.com" },
+					user: { email: "user@example.com", id: "user-1" },
 				});
 			}),
 		);
@@ -96,19 +98,21 @@ describe("AppRoutes", () => {
 			http.post("*/api/v1/auth/login", () =>
 				HttpResponse.json({
 					accessToken: "test",
-					user: { id: "user-1", email: "user@example.com" },
+					user: { email: "user@example.com", id: "user-1" },
 				}),
 			),
 			http.get("*/api/v1/bank-cards", () => HttpResponse.json([])),
 			http.get("*/api/v1/bank-cards/summary", () =>
-				HttpResponse.json({
-					month: "2026-08",
-					cardId: null,
-					expenses: { currency: "RUB", value: "0" },
-					refunds: { currency: "RUB", value: "0" },
-					net: { currency: "RUB", value: "0" },
-					categories: [],
-				}),
+				HttpResponse.json((/* eslint-disable unicorn/no-null -- Fixture preserves the production contract’s explicit null values. */
+					{
+						cardId: null,
+						categories: [],
+						expenses: { currency: "RUB", value: "0" },
+						month: "2026-08",
+						net: { currency: "RUB", value: "0" },
+						refunds: { currency: "RUB", value: "0" },
+					}
+					/* eslint-enable unicorn/no-null */)),
 			),
 		);
 		renderRoutes("/cards?month=2026-08");
@@ -132,7 +136,7 @@ describe("AppRoutes", () => {
 			http.post("*/api/v1/auth/refresh", () =>
 				HttpResponse.json({
 					accessToken: "test-token",
-					user: { id: "user-1", email: "user@example.com" },
+					user: { email: "user@example.com", id: "user-1" },
 				}),
 			),
 		);