- Added ORCID_REDIRECT_URI to docker-compose for OAuth integration.
- Introduced a new callback endpoint to handle ORCID login and token exchange.
- Refactored authentication logic to streamline the OAuth process.
- Ensured local environment variables are loaded for development.
- Added JWT authentication support with configurable secret and expiration.
- Introduced optional API key validation for endpoints.
- Implemented tracking of publication downloads by researchers, storing records in a new PublicationDownload model.
- Updated export endpoints to conditionally register downloads based on user authentication.
- Enhanced researcher search response to indicate if publications were downloaded by the current user.
- Updated environment configuration to include new JWT settings.