- Updated context key definitions in dns_provider_service_test.go to use string constants instead of custom types for user_id, client_ip, and user_agent.
- Ensured proper context values are set in audit logging tests to avoid defaulting to "system" or empty values.
- Enhanced in-memory SQLite database setup in credential_service_test.go to use WAL mode and busy timeout for better concurrency during tests.
- Implemented `useManualChallenge`, `useChallengePoll`, and `useManualChallengeMutations` hooks for managing manual DNS challenges.
- Created tests for the `useManualChallenge` hooks to ensure correct fetching and mutation behavior.
- Added `ManualDNSChallenge` component for displaying challenge details and actions.
- Developed end-to-end tests for the Manual DNS Provider feature, covering provider selection, challenge UI, and accessibility compliance.
- Included error handling tests for verification failures and network errors.
- Updated DNSProviderForm to include multi-credential mode toggle.
- Integrated CredentialManager component for managing multiple credentials.
- Added hooks for enabling multi-credentials and managing credential operations.
- Implemented tests for CredentialManager and useCredentials hooks.
