- Replace custom errors package with xerrors for structured error handling
- Remove local logging wrapper and use git.antanst.com/antanst/logging
- Add proper error codes and user messages in server responses
- Improve connection handling with better error categorization
- Update certificate path to use local certs/ directory
- Add request size validation (1024 byte limit)
- Remove panic-on-error configuration option
- Enhance error logging with connection IDs and remote addresses
