- Add getApiUrl() function to validate and clean backend URL
- Automatically strip /membership or /api suffix if present
- Log all environment variables on module load for debugging
- Add detailed URL logging in login function
- Provide fallback if REACT_APP_BACKEND_URL is undefined
This fixes the intermittent CORS error caused by incorrect backend URL
- Add detailed console logging throughout login flow
- Add 30s timeout to prevent hanging requests
- Defer permission fetching with setTimeout to avoid race conditions
- Add automatic retry for 5xx errors and network failures
- Enhanced error logging with full context for debugging
This addresses intermittent login failures reported by users
