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/entities/brokerage-event/api/useBrokerageEvents.test.tsx

@@ -1,18 +1,20 @@
 import { renderHook, waitFor } from "@testing-library/react";
-import { HttpResponse, http } from "msw";
+import { http, HttpResponse } from "msw";
 import { describe, expect, it, vi } from "vitest";
+
 import { configureAuthClient } from "@/shared/api";
 import { createQueryWrapper } from "@/test/query";
 import { resource } from "@/test/resource";
 import { server } from "@/test/server";
+
 import { useBrokerageEvents } from "./useBrokerageEvents";
 
 describe("useBrokerageEvents", () => {
 	it("does not fetch events without an account ID", async () => {
 		configureAuthClient({
 			accessToken: () => "token",
-			refresh: async () => true,
 			clear: vi.fn(),
+			refresh: () => Promise.resolve(true),
 		});
 		const requested = vi.fn(() => HttpResponse.json({ events: [] }));
 		server.use(
@@ -27,29 +29,31 @@ describe("useBrokerageEvents", () => {
 	it("loads future cash events through the authenticated query seam", async () => {
 		configureAuthClient({
 			accessToken: () => "token",
-			refresh: async () => true,
 			clear: vi.fn(),
+			refresh: () => Promise.resolve(true),
 		});
 		server.use(
 			http.get("*/api/v1/brokerage-accounts/account-1/events", () =>
 				HttpResponse.json(
-					resource({
-						accountId: "account-1",
-						calculatedAt: "2026-08-14T00:00:00Z",
-						events: [
-							{
-								type: "dividend",
-								date: "2026-09-01",
-								dateKind: "registry",
-								figi: "figi-1",
-								instrumentUid: null,
-								ticker: "SBER",
-								displayName: "Сбер",
-								logoName: "sber3.png",
-								projectedAmount: { currency: "RUB", value: "12.34" },
-							},
-						],
-					}),
+					resource((/* eslint-disable unicorn/no-null -- Fixture preserves the production contract’s explicit null values. */
+						{
+							accountId: "account-1",
+							calculatedAt: "2026-08-14T00:00:00Z",
+							events: [
+								{
+									date: "2026-09-01",
+									dateKind: "registry",
+									displayName: "Сбер",
+									figi: "figi-1",
+									instrumentUid: null,
+									logoName: "sber3.png",
+									projectedAmount: { currency: "RUB", value: "12.34" },
+									ticker: "SBER",
+									type: "dividend",
+								},
+							],
+						}
+						/* eslint-enable unicorn/no-null */)),
 				),
 			),
 		);
@@ -60,17 +64,19 @@ describe("useBrokerageEvents", () => {
 
 		await waitFor(() => expect(result.current.isSuccess).toBe(true));
 		expect(result.current.data?.events).toEqual([
-			{
-				type: "dividend",
-				date: "2026-09-01",
-				dateKind: "registry",
-				figi: "figi-1",
-				instrumentUid: null,
-				ticker: "SBER",
-				displayName: "Сбер",
-				logoName: "sber3.png",
-				projectedAmount: { currency: "RUB", value: "12.34" },
-			},
+			(/* eslint-disable unicorn/no-null -- Fixture preserves the production contract’s explicit null values. */
+				{
+					date: "2026-09-01",
+					dateKind: "registry",
+					displayName: "Сбер",
+					figi: "figi-1",
+					instrumentUid: null,
+					logoName: "sber3.png",
+					projectedAmount: { currency: "RUB", value: "12.34" },
+					ticker: "SBER",
+					type: "dividend",
+				}
+			/* eslint-enable unicorn/no-null */),
 		]);
 	});
 });

src/entities/brokerage-event/api/useBrokerageEvents.ts

@@ -1,10 +1,10 @@
 import { apiQueryClient, type paths, useResourceQuery } from "@/shared/api";
 
-type EventsEndpoint =
-	paths["/api/v1/brokerage-accounts/{accountId}/events"]["get"];
 type BrokerageEvent = NonNullable<
 	EventsEndpoint["responses"][200]["content"]["application/json"]["data"]
 >["events"][number];
+type EventsEndpoint
+	= paths["/api/v1/brokerage-accounts/{accountId}/events"]["get"];
 
 function useBrokerageEvents(
 	accountId: string | undefined,