- Fixed import path in AuthRepository to reach core errors
- Updated AuthUser.fromSupabase() to handle DateTime parsing safely
- Added UnknownAuthException for fallback error handling
- Fixed null-aware operators in AuthUser model
- All authentication files now compile without errors
- Updated main.dart with proper Supabase initialization
- Added environment loading with error handling
- Replaced default Flutter template with Sage app
- Created simple HomePage with Supabase connection status
- Used debugPrint instead of print for production compliance
- Created .env template with SUPABASE_URL and SUPABASE_ANON_KEY placeholders
- Added .env to .gitignore to prevent committing secrets
- Created SupabaseConstants class with secure environment loading
- Added validation to ensure required environment variables are set
- Created core/constants directory structure
