Function createCacheKey

apps/api/src/controllers/misc.controller.ts:25–28

(url: string, prefix = 'favicon')

// Helper functions
function createCacheKey(url: string, prefix = 'favicon'): string {
  const hash = crypto.createHash('sha256').update(url).digest('hex');
  return `${prefix}:v2:${hash}`;
}

function validateUrl(raw?: string): URL | null {
  try {