export function securityHeaders(): Record { return { "x-content-type-options": "nosniff", "referrer-policy": "no-referrer", }; } export function json(data: unknown, status = 200, headers: Record = {}): Response { return new Response(JSON.stringify(data), { status, headers: { "content-type": "application/json; charset=utf-8", ...securityHeaders(), ...headers }, }); } export function jsonError(status: number, message: string): Response { return json({ error: message }, status); } export function notFound(): Response { return jsonError(404, "not found"); }