- Added new environment variables for OAuth configuration in the environment schema.
- Enhanced CLI options to include `--enable-oauth` for enabling OAuth endpoints.
- Updated TransportManager to handle OAuth configuration and registration of OAuth router.
- Integrated ProxyOAuthServerProvider for managing OAuth token validation and client retrieval.
- Refactored HTTP server to register OAuth router when enabled, improving security and flexibility in transport management.
- Updated TypeScript configuration to include new types for OAuth support.

…tional

- Modified the environment schema to mark all OAuth-related variables as optional, enhancing flexibility in configuration.
- Removed the ProxyOAuthServerProvider and related OAuth router registration from the main function, streamlining the initialization process.
- Improved error handling in the TransportManager for OAuth configuration validation, ensuring clearer error messages.
- Enhanced logging for error scenarios during server startup and transport management.