- Add OAuth dropdown menu in admin UI with links to Clients, Tokens, Users
- Update README with install.sh details and simplified port configuration
- Remove references to deleted fix scripts
- Update systemd service example to show dynamic port configuration
- Clarify OAuth admin UI accessibility in documentation
- Add ensure_env_variables function to install missing HOST, PORT, LOG_LEVEL, OAUTH2_ISSUER
- Call function when using existing .env file
- Clean up temporary fix scripts and test files
- Update install.sh with better validation and error handling
