- Added tests for OAuth consent page covering parameter validation, unauthenticated user redirects, authenticated user interactions, scope management, and consent API calls.
- Verified behaviors such as error handling, toggling scopes, loading states, and authorize/deny actions.
- Updated utility methods with `loginViaUI` for improved test setup.
- Implemented comprehensive E2E tests for OAuth buttons on login and register pages, including Google and GitHub provider interactions.
- Verified OAuth provider buttons' visibility, icons, and proper API integration with mock endpoints.
- Added button interaction tests to ensure correct API calls for authorization and state handling.
- Updated `playwright.config.ts` to include the new `auth-oauth.spec.ts` in test configurations.
- Extended mock handlers in `overrides.ts` and `auth.ts` to support OAuth-specific API workflows and demo scenarios.
