CODE QUALITY: Add error handling and loading states (#27) #37

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brainstrom286 wants to merge 2 commits into UC-OSPO-Network:main from brainstrom286:code-quality-loading-error

brainstrom286 commented Jan 7, 2026

Closes #27

This PR improves robustness and user experience when loading lesson data
from the Google Sheets CSV.

Changes

Added timeout and proper error propagation in getSheetData
Added loading spinner with “Loading lessons…” message
Added friendly error UI with retry option on fetch failure
Handled empty or malformed CSV data gracefully
Added ErrorBoundary to prevent UI crashes
Logged errors to console for debugging

Testing

Tested with network throttling (Slow 3G)
Tested offline mode
Tested invalid CSV URL
Verified empty dataset handling

brainstrom286 added 2 commits

January 6, 2026 00:14


          Prepared education site for subdomain deployment

4eff8b6


          Improve UX with loading and error handling for lesson data

765eb7f

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