refactor: address frontend review feedback

src/pages/stock/ui/StockPage/StockPage.test.tsx

@@ -29,8 +29,6 @@ const LocationProbe = () => {
 const uid = "e6123145-9665-43e0-8413-cd61b8aa9b13";
 const money = (value: string) => ({ currency: "RUB", value });
 
-/* eslint-disable unicorn/no-null -- Fixture preserves the production contract’s explicit null values. */
-
 const stock
 	= {
 		currency: "RUB",
@@ -44,7 +42,6 @@ const stock
 		ticker: "TEST",
 	};
 
-/* eslint-enable unicorn/no-null */
 const position = {
 	absoluteReturn: money("1000"),
 	accounts: [
@@ -124,7 +121,7 @@ function setup(
 				);
 			if (params.section === "candles")
 				return HttpResponse.json(
-					/* eslint-disable unicorn/no-null -- Fixture preserves the production contract’s explicit null values. */
+
 					resource(
 						{
 							candles: [],
@@ -132,14 +129,13 @@ function setup(
 							historyFrom: null,
 							observedAt: quote.observedAt,
 						},
-						/* eslint-enable unicorn/no-null */
 					),
 				);
 			if (params.section === "company")
 				return options.failCompany
 					? HttpResponse.json({ code: "TBANK_UNAVAILABLE" }, { status: 503 })
 					: HttpResponse.json(
-							/* eslint-disable unicorn/no-null -- Fixture preserves the production contract’s explicit null values. */
+
 							resource(
 								{
 									description: "Описание компании",
@@ -155,12 +151,11 @@ function setup(
 									observedAt: quote.observedAt,
 									unavailable: [],
 								},
-								/* eslint-enable unicorn/no-null */
 							),
 						);
 
 			return HttpResponse.json(
-				/* eslint-disable unicorn/no-null -- Fixture preserves the production contract’s explicit null values. */
+
 				resource(
 					{
 						dividends: [
@@ -188,7 +183,6 @@ function setup(
 						positionIsStale: false,
 						to: "2027-09-10",
 					},
-					/* eslint-enable unicorn/no-null */
 				),
 			);
 		}),
@@ -200,7 +194,7 @@ function setup(
 				return HttpResponse.json({ code: cursorError }, { status: 400 });
 
 			return HttpResponse.json(
-				/* eslint-disable unicorn/no-null -- Fixture preserves the production contract’s explicit null values. */
+
 				resource(
 					{
 						accountId: "all",
@@ -225,7 +219,6 @@ function setup(
 						nextCursor: isNext ? null : "next",
 						observedAt: quote.observedAt,
 					},
-					/* eslint-enable unicorn/no-null */
 				),
 			);
 		}),
@@ -264,7 +257,6 @@ function setup(
 
 describe("stock page", () => {
 	it("preserves unknown and unambiguous currencies with compact, ratio and percent formatting", async () => {
-		/* eslint-disable unicorn/no-null -- Fixture preserves the production contract’s explicit null values. */
 		setup(
 			{
 				metrics: [
@@ -312,7 +304,6 @@ describe("stock page", () => {
 					},
 				],
 			},
-			/* eslint-enable unicorn/no-null */
 		);
 		expect(await screen.findByText("1,23 млн валюта неизвестна")).toBeVisible();
 		for (const value of [
@@ -468,9 +459,8 @@ describe("stock page", () => {
 	it.each([
 		[
 			"INVALID_OPERATIONS_CURSOR",
-			// eslint-disable-next-line unicorn/no-null -- Exercise the explicit null returned by the production API/DOM contract.
 			null,
-			null, // eslint-disable-line unicorn/no-null -- Preserve explicit null in the API fixture.
+			null,
 		],
 		["TBANK_UNAVAILABLE", "next", "observe"],
 	])(