Update the CORS header variable name from 'origin' to 'requestOrigin' in both login and registration API endpoints for improved clarity and consistency. This change enhances the readability of the code while maintaining support for cross-device authentication.
Enhance authentication options in the server API by adding CORS headers to support cross-device authentication. Implement handling for preflight OPTIONS requests and increase timeout for registration and authentication processes to 5 minutes, improving user experience and compatibility across devices.