refactor: address frontend review feedback

src/app/routes/RouteErrorBoundary/RouteErrorBoundary.test.tsx

@@ -8,10 +8,10 @@ import { RouteErrorBoundary } from "./RouteErrorBoundary";
 
 const session = { isAuthenticated: false };
 vi.mock("@/features/auth", () => ({
-	/* eslint-disable unicorn/no-null -- Fixture preserves the production contract’s explicit null values. */
+
 	useAuth: () =>
 		({ user: session.isAuthenticated ? {} : null }),
-	/* eslint-enable unicorn/no-null */
+
 }));
 
 const ThrowingRoute: FC = () => {
@@ -25,9 +25,7 @@ const HealthyRoute: FC = () => {
 				? (
 						"healthy route"
 					)
-				: (
-						<ThrowingRoute />
-					)}
+				: <ThrowingRoute />}
 		</div>
 	);
 };

src/app/routes/RouteErrorBoundary/RouteErrorBoundary.tsx

@@ -34,9 +34,7 @@ class Boundary extends Component<BoundaryProps, State> {
 
 	render() {
 		return this.state.hasError
-			? (
-					<RouteErrorFallback authenticated={this.props.authenticated} />
-				)
+			? <RouteErrorFallback authenticated={this.props.authenticated} />
 			: (
 					this.props.children
 				);