feat: add manual bank card screens

Add cards, operations, refunds, categories and monthly summaries with Mantine date controls.

Derive banking types from runtime OpenAPI. Cover recovery and session isolation.

src/app/routes/RouteGuards.tsx

@@ -22,8 +22,16 @@ const Protected: FC<PropsWithChildren> = (props) => {
 const Public: FC<PropsWithChildren> = (props) => {
 	const { children } = props;
 	const { user, ready } = useAuth();
+	const location = useLocation();
+	const requested = (location.state as { returnTo?: string } | null)?.returnTo;
+	const returnTo =
+		typeof requested === "string" &&
+		requested.startsWith("/") &&
+		!requested.startsWith("//")
+			? requested
+			: "/accounts";
 	if (!ready) return <RouteSkeleton variant="shell" />;
-	return user ? <Navigate to="/accounts" replace /> : children;
+	return user ? <Navigate to={returnTo} replace /> : children;
 };
 
 export { Protected, Public };