yaak-mountain-loop/src-web/routes/workspaces/$workspaceId/requests/$requestId.tsx

import { createFileRoute, Navigate, useParams } from '@tanstack/react-router';

// -----------------------------------------------------------------------------------
// IMPORTANT: This is a deprecated route. Since the active request is optional, it was
//   moved from a path param to a query parameter. This route does a redirect to the
//   parent, while preserving the active request.

export const Route = createFileRoute('/workspaces/$workspaceId/requests/$requestId')({
  component: RouteComponent,
});

function RouteComponent() {
  const { workspaceId, requestId } = useParams({
    from: '/workspaces/$workspaceId/requests/$requestId',
  });
  return (
    <Navigate
      to="/workspaces/$workspaceId"
      params={{ workspaceId }}
      search={(prev) => ({ ...prev, requestId })}
    />
  );
}