- Updated error variable names for clarity in DNS provider, import, logs, manual challenge, security, user, and other handlers.
- Improved error handling in services such as backup, credential, docker, mail, notification, security headers, and uptime services.
- Enhanced readability by using more descriptive variable names for errors in multiple locations across the codebase.
- Ensured consistent error handling practices throughout the application.
- 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.
