- Added support for numeric ID generation in the OAuth service, replacing the previous NanoID approach for better compatibility.
- Refactored client ID and secret generation methods to be public and renamed them for consistency.
- Enhanced dynamic client registration to allow optional client ID usage.
- Updated client configuration loading to include validation and registration of clients if not found.
- Improved error handling and logging for client configuration processes.
- Adjusted tests to reflect changes in ID generation and client configuration handling.
- Added default values for grant types, response types, application type, and token endpoint auth method during dynamic client registration.
- Implemented nil checks for client information in the CreateClient and UpdateClient methods to ensure robust error handling and validation.
- Deleted the OAuth interface and related types that were previously defined in the `interfaces.go` and `types.go` files, streamlining the codebase.
- Updated the `oauth.go` file to integrate user and client providers directly, enhancing the service's functionality and reducing complexity.
- Refactored the user information retrieval method to utilize the new user provider structure, ensuring compatibility with the updated architecture.
