- Add extended error types with severity levels, retry policies,
and contextual information (types/errors.ts)
- Create centralized error handler service with user-friendly
message translation and classification (services/errorHandler.ts)
- Add ErrorContext for global error state management with
auto-dismiss and error queue support (contexts/ErrorContext.tsx)
- Create error UI components: ErrorToast, FieldError,
FieldErrorSummary, FullScreenError, EmptyState, OfflineState
- Add useError hook with retry strategies and API response handling
- Add useAsync hook for async operations with comprehensive state
- Create error message utilities with validation helpers
- Add tests for errorHandler and errorMessages (88 tests)
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
