- Fetch available providers from /api/oauth2/providers on mount
- Show provider selection dialog when multiple providers available
- Direct login when only one provider available
- Fallback to legacy mode when no providers configured
- Display provider icons and formatted names
- Responsive provider selection dialog with hover effects
- Maintain backward compatibility with single-provider mode
- Document completed backend implementation
- List remaining frontend and testing tasks
- Include architecture diagrams and data flow
- Document configuration and endpoints
- Track session data structure
- Note backward compatibility approach
- Fix OAuth2ClientWithConfig to properly extend arctic OAuth2Client
- Rename methods to avoid base class conflicts (exchangeAuthorizationCode, refreshTokens)
- Fix OAuth2ProviderManager to use OBPClientService.get() correctly
- Fix iteration over Map entries to avoid downlevelIteration issues
- Update OAuth2ConnectController with correct method signatures
- Fix redirect URI access via getRedirectUri() method
- Create OAuth2ProvidersController to list available providers
- Update OAuth2ConnectController to support provider parameter
- Update OAuth2CallbackController to handle multi-provider callbacks
- Update app.ts to initialize OAuth2ProviderManager on startup
- Maintain backward compatibility with legacy single-provider mode
- Add health monitoring for all providers (60s intervals)
- Add TypeScript interfaces for multi-provider OAuth2 support
- Create OAuth2ClientWithConfig extending arctic OAuth2Client with OIDC discovery
- Create OAuth2ProviderFactory with strategy pattern for different providers
- Create OAuth2ProviderManager for managing multiple providers with health checks
- Support for OBP-OIDC, Keycloak, Google, GitHub, and custom providers
