refactor: enforce frontend view model boundaries

src/pages/account/ui/AccountPage/position-layout.browser.test.tsx

@@ -23,27 +23,34 @@ it("keeps expanded positions vertical while other positions adapt to the viewpor
 		"bonds",
 		"other",
 	];
+
 	const width = window.innerWidth;
 	expect([375, 1280]).toContain(width);
+
 	for (const kind of kinds) {
 		const otherType = kind === "bonds" ? "BOND" : "FUND";
-		const positions: AccountPagePosition[] = [1, 2, 3].map(index => ((/* eslint-disable unicorn/no-null -- Fixture preserves the production contract’s explicit null values. */
-			{
-				absoluteReturn: null,
-				averagePurchasePrice: null,
-				currentValue: { currency: "RUB", value: "1000" },
-				displayName: `Инструмент ${index}`,
-				figi: null,
-				isin: null,
-				logoName: null,
-				logoSrc: null,
-				quantity: "10",
-				returnText: null,
-				shareText: null,
-				ticker: null,
-				type: kind === "stocks" ? "STOCK" : otherType,
-			}
-			/* eslint-enable unicorn/no-null */)));
+
+		const positions: AccountPagePosition[] = [1, 2, 3].map(
+			/* eslint-disable unicorn/no-null -- Fixture preserves the production contract’s explicit null values. */
+			index =>
+				({
+					absoluteReturn: null,
+					averagePurchasePrice: null,
+					currentValue: { currency: "RUB", value: "1000" },
+					displayName: `Инструмент ${index}`,
+					figi: null,
+					isin: null,
+					logoName: null,
+					logoSrc: null,
+					quantity: "10",
+					returnText: null,
+					shareText: null,
+					ticker: null,
+					type: kind === "stocks" ? "STOCK" : otherType,
+				}),
+			/* eslint-enable unicorn/no-null */
+		);
+
 		const { unmount } = render(
 			<MantineProvider
 				cssVariablesResolver={cssVariablesResolver}
@@ -61,15 +68,19 @@ it("keeps expanded positions vertical while other positions adapt to the viewpor
 				/>
 			</MantineProvider>,
 		);
+
 		const bounds = positions.map(position =>
 			screen.getByText(position.displayName).getBoundingClientRect(),
 		);
+
 		const context = `${kind} at ${width}px`;
+
 		for (const [index, current] of bounds.entries()) {
 			expect(current.width, context).toBeGreaterThan(0);
 			expect(current.height, context).toBeGreaterThan(0);
 			if (index === 0) continue;
 			const previous = bounds[index - 1];
+
 			if (kind === "other" && width === 1280) {
 				// eslint-disable-next-line vitest/no-conditional-expect -- The fixed table case selects the expected outcome; every case asserts its own branch.
 				expect(current.top, context).toBeCloseTo(previous.top, 0);
@@ -83,6 +94,7 @@ it("keeps expanded positions vertical while other positions adapt to the viewpor
 				expect(current.top, context).toBeGreaterThan(previous.bottom);
 			}
 		}
+
 		unmount();
 	}
 });