refactor: address frontend review feedback

src/shared/api/client.test.ts

@@ -55,7 +55,7 @@ describe("apiClient authentication", () => {
 
 	it("does not attach Bearer auth to authentication endpoints", async () => {
 		let authorization: null | string
-			// eslint-disable-next-line unicorn/no-null -- Exercise the explicit null returned by the production API/DOM contract.
+
 			= null;
 
 		server.use(

src/shared/lib/display.ts

@@ -80,7 +80,7 @@ function instrumentLogoUrl(logoName?: null | string): null | string {
 
 	return stem
 		? `https://invest-brands.cdn-tinkoff.ru/${stem}x${logoSize}.png`
-		: null; // eslint-disable-line unicorn/no-null -- The existing formatter contract uses null for unavailable data.
+		: null;
 }
 
 export {