- Added OnboardClaimPage and OnboardMigrationPage components for user onboarding.
- Integrated OAuth login flow for Google and Microsoft accounts.
- Implemented error handling and user feedback for claim and migration processes.
- Created MigrationStepList and MigrationOnboardingAlerts components for progress tracking.
- Added MailDomainsSection and MigrationProjectsPanel for admin settings.
- Introduced e2e tests for onboarding migration scenarios.
