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tasks/podcast-tui-app/58-loading-states.md

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+# 57. Implement Error Handling
+
+meta:
+  id: podcast-tui-app-57
+  feature: podcast-tui-app
+  priority: P1
+  depends_on: [56]
+  tags: [error-handling, debugging, solidjs]
+
+objective:
+- Implement error handling throughout the app
+- Handle API errors
+- Handle file errors
+- Handle user input errors
+- Display error messages
+
+deliverables:
+- `src/utils/error-handler.ts` with error handling
+- `src/components/ErrorDisplay.tsx` with error UI
+- `src/components/LoadingSpinner.tsx` with loading UI
+
+steps:
+- Create `src/utils/error-handler.ts`:
+  - `handleError(error: Error, context: string): void`
+  - Log errors to console
+  - Display user-friendly error messages
+  - Handle different error types
+- Create `src/components/ErrorDisplay.tsx`:
+  - Display error message
+  - Error type indicator
+  - Retry button
+  - Error details (expandable)
+- Create `src/components/LoadingSpinner.tsx`:
+  - Loading indicator
+  - Loading message
+  - Different loading states
+
+tests:
+- Unit: Test error handler
+- Unit: Test error display
+- Integration: Test error handling flow
+
+acceptance_criteria:
+- Errors are caught and handled
+- Error messages display correctly
+- Retry functionality works
+- User sees helpful error messages
+
+validation:
+- Run application and trigger errors
+- Test API errors
+- Test file errors
+- Test input errors
+- Verify error messages display
+
+notes:
+- Handle network errors (API calls)
+- Handle file errors (import/export)
+- Handle validation errors (inputs)
+- Handle parsing errors (RSS feeds)
+- Display errors in user-friendly way
+- Add error logging for debugging
+- Consider adding Sentry for production