## 1. Create Logging Utility
- [x] 1.1 Create `utils/logger.ts` with environment-aware logging
- [x] 1.2 Export debug, info, warn, error functions
- [x] 1.3 Only output logs when `import.meta.env.DEV` is true

## 2. Cleanup Context Files
- [x] 2.1 Remove/replace console statements in NotificationContext.tsx
- [x] 2.2 Remove/replace console statements in ProjectSyncContext.tsx
- [x] 2.3 Remove/replace console statements in AuthContext.tsx

## 3. Cleanup Component Files
- [x] 3.1 Remove/replace console statements in GanttChart.tsx
- [x] 3.2 Remove/replace console statements in CalendarView.tsx
- [x] 3.3 Audit and clean remaining components

## 4. Cleanup Page Files
- [x] 4.1 Remove/replace console statements in Tasks.tsx
- [x] 4.2 Remove/replace console statements in other page files
- [x] 4.3 Audit and clean remaining pages

## 5. Cleanup Service Files
- [x] 5.1 Remove/replace console statements in api.ts
- [x] 5.2 Audit and clean remaining services

## 6. Verification
- [x] 6.1 Run frontend build successfully
- [x] 6.2 Verify no console.log in production build
- [x] 6.3 Test error handling still works correctly