refactor: address frontend review feedback

src/pages/account/ui/AccountPage/components/PositionCard/PositionCard.stories.tsx

@@ -4,8 +4,6 @@ import type { AccountPagePosition } from "../../AccountPage.vm";
 
 import { PositionCard } from "./PositionCard.view";
 
-/* eslint-disable unicorn/no-null -- Fixture preserves the production contract’s explicit null values. */
-
 const syntheticPosition
 	= {
 		absoluteReturn: { currency: "RUB", value: "5000" },
@@ -22,7 +20,7 @@ const syntheticPosition
 		shareText: "20%",
 		ticker: "DEMO",
 		type: "STOCK",
-	} satisfies /* eslint-enable unicorn/no-null */ AccountPagePosition;
+	} satisfies AccountPagePosition;
 
 const meta = {
 	args: { kind: "stocks", position: syntheticPosition },
@@ -62,8 +60,6 @@ export const StockGain: Story = {
 	},
 };
 
-/* eslint-disable unicorn/no-null -- Fixture preserves the production contract’s explicit null values. */
-
 export const BondLoss: Story
 	= {
 		args: {
@@ -94,9 +90,6 @@ export const BondLoss: Story
 			},
 		},
 	};
-/* eslint-enable unicorn/no-null */
-
-/* eslint-disable unicorn/no-null -- Fixture preserves the production contract’s explicit null values. */
 
 export const Other: Story
 	= {
@@ -120,9 +113,6 @@ export const Other: Story
 			},
 		},
 	};
-/* eslint-enable unicorn/no-null */
-
-/* eslint-disable unicorn/no-null -- Fixture preserves the production contract’s explicit null values. */
 
 export const MissingValuation: Story
 	= {
@@ -149,4 +139,3 @@ export const MissingValuation: Story
 			},
 		},
 	};
-/* eslint-enable unicorn/no-null */

src/pages/account/ui/AccountPage/components/PositionCard/PositionCard.view.tsx

@@ -60,10 +60,10 @@ const PositionCard: FC<PositionCardProps> = (props) => {
 			? t("portfolio.avgPrice", {
 					value: formatMoney(position.averagePurchasePrice),
 				})
-			: null, // eslint-disable-line unicorn/no-null -- Mantine represents an empty controlled field as null.
+			: null,
 		position.shareText
 			? t("portfolio.share", { value: position.shareText })
-			: null, // eslint-disable-line unicorn/no-null -- Mantine represents an empty controlled field as null.
+			: null,
 	]
 		.filter(Boolean)
 		.join(" · ");