feat: initialize monorepo with full dev team best practices

- Unified monorepo with backend (Express), frontend (Next.js), and devops
- Backend: ESLint, Prettier, Jest tests (3 passing), health endpoint, .env.example
- Frontend: Fixed build errors, fixed all lint errors (0 remaining), tests passing
- DevOps: Docker Compose with PostgreSQL, backend, frontend + healthchecks
- CI/CD: 3 GitHub Actions workflows (backend, frontend, docker integration)
- DX: Husky pre-commit hooks with smart change detection
- Docs: Root README with architecture, CONTRIBUTING.md, PR template

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

website-monitoring-frontend/.taskmaster/docs/prd.txt

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+# Website Monitoring Frontend - Error Handling & Debugging PRD
+
+## Project Overview
+Fix console errors in dashboard pages and improve error handling throughout the website monitoring frontend application.
+
+## Current Issues
+- Console errors showing empty objects `{}` in dashboard pages
+- Poor error handling in data loading functions
+- Missing environment variables for Supabase configuration
+- Database connection issues causing data loading failures
+
+## Objectives
+1. Fix console error logging to show meaningful error information
+2. Implement proper error handling and user feedback
+3. Set up proper environment variable configuration
+4. Add error boundaries and fallback UI components
+5. Improve debugging capabilities
+
+## Technical Requirements
+
+### Error Handling Improvements
+- Replace `console.error("Error loading data:", error)` with proper error serialization
+- Add error boundaries around dashboard components
+- Implement user-friendly error messages
+- Add retry mechanisms for failed data loads
+- Create error logging utility functions
+
+### Environment Configuration
+- Set up proper Supabase environment variables
+- Add environment variable validation
+- Create development and production configurations
+- Add environment variable documentation
+
+### Database Connection
+- Verify Supabase connection configuration
+- Add connection health checks
+- Implement graceful degradation when database is unavailable
+- Add database schema validation
+
+### UI/UX Improvements
+- Add loading states for all data operations
+- Implement error states with actionable messages
+- Add retry buttons for failed operations
+- Create fallback UI for when data is unavailable
+
+## Success Criteria
+- No more empty object console errors
+- All dashboard pages show meaningful error messages
+- Users can retry failed operations
+- Application gracefully handles database connection issues
+- Environment variables are properly configured
+- Error boundaries catch and display errors appropriately
+
+## Implementation Priority
+1. Fix console error logging (High)
+2. Set up environment variables (High)
+3. Add error boundaries (Medium)
+4. Implement retry mechanisms (Medium)
+5. Add comprehensive error handling (Low)