Implement Toast Notification System #69
Description
Complexity: Medium (150 points)
Description
Create a global toast notification system for user feedback on actions throughout the application.
Requirements and Context
No notification system exists for success/error feedback
Users need immediate feedback when actions complete
Toast should support success, error, warning, info types
Must be accessible and dismissible
Suggested Execution
Create ToastContext.tsx and ToastProvider.tsx
Create Toast.tsx component with animations
Create useToast hook for easy consumption
Add auto-dismiss timer with manual dismiss option
Integrate into Providers.tsx
Test and Commit
Test all toast types render correctly
Test auto-dismiss timing
Test manual dismiss functionality
Verify accessibility (aria-live)
Example Commit Message
feat(frontend): implement global toast notification system