refactor(task-socket-handlers): remove unnecessary console logs for cleaner code
- Eliminated various console log statements from the task socket handlers to enhance code clarity and performance. - Maintained functionality while reducing noise in the console output during task status, priority, and phase changes.
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shancds
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# Enhanced Kanban Board - Performance Optimizations
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## Overview
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The Enhanced Kanban Board is designed to handle **much much** tasks efficiently through multiple performance optimization strategies.
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## Performance Features
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### 🚀 **Virtualization**
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- **Automatic Activation**: Virtualization kicks in when groups have >50 tasks
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- **React Window**: Uses `react-window` for efficient rendering of large lists
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- **Overscan**: Renders 5 extra items for smooth scrolling
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- **Dynamic Height**: Adjusts container height based on task count
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### 📊 **Performance Monitoring**
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- **Real-time Metrics**: Tracks total tasks, largest group, average group size
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- **Visual Indicators**: Shows performance status (Excellent/Good/Warning/Critical)
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- **Virtualization Status**: Indicates when virtualization is active
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- **Performance Tips**: Provides optimization suggestions for large datasets
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### 🎯 **Smart Rendering**
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- **Memoization**: All components use React.memo for optimal re-rendering
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- **Conditional Rendering**: Drop indicators only render when needed
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- **Lazy Loading**: Components load only when required
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- **CSS Containment**: Uses `contain: layout style paint` for performance
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### 💾 **Caching Strategy**
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- **Task Cache**: Stores individual tasks for quick access
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- **Group Cache**: Caches group data to prevent recalculation
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- **Redux Optimization**: Optimistic updates with rollback capability
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- **Memory Management**: Automatic cache cleanup
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## Performance Thresholds
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| Task Count | Performance Level | Features Enabled |
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|------------|-------------------|------------------|
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| 0-50 | Excellent | Standard rendering |
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| 51-100 | Good | Virtualization |
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| 101-500 | Good | Virtualization + Monitoring |
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| 501-1000 | Warning | All optimizations |
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| 1000+ | Critical | All optimizations + Tips |
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## Key Components
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### VirtualizedTaskList
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```typescript
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// Handles large task lists efficiently
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<VirtualizedTaskList
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tasks={group.tasks}
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height={groupHeight}
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itemHeight={80}
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activeTaskId={activeTaskId}
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overId={overId}
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/>
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```
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### PerformanceMonitor
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```typescript
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// Shows performance metrics for large datasets
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<PerformanceMonitor />
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// Only appears when totalTasks > 100
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```
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### EnhancedKanbanGroup
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```typescript
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// Automatically switches between standard and virtualized rendering
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const shouldVirtualize = group.tasks.length > VIRTUALIZATION_THRESHOLD;
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```
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## Performance Optimizations
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### 1. **React Optimization**
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- `React.memo()` on all components
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- `useMemo()` for expensive calculations
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- `useCallback()` for event handlers
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- Conditional rendering to avoid unnecessary work
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### 2. **CSS Performance**
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```css
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/* Performance optimizations */
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.enhanced-kanban-group-tasks.large-list {
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contain: layout style paint;
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will-change: transform;
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}
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```
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### 3. **Drag and Drop Optimization**
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- Enhanced collision detection
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- Optimized sensor configuration
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- Minimal re-renders during drag operations
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- Efficient drop target identification
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### 4. **Memory Management**
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- Automatic cache cleanup
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- Efficient data structures
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- Minimal object creation
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- Proper cleanup in useEffect
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## Usage Examples
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### Large Dataset Handling
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```typescript
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// The board automatically optimizes for large datasets
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const largeProject = {
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taskGroups: [
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{ id: '1', name: 'To Do', tasks: [/* 200 tasks */] },
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{ id: '2', name: 'In Progress', tasks: [/* 150 tasks */] },
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{ id: '3', name: 'Done', tasks: [/* 300 tasks */] }
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]
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};
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// Total: 650 tasks - virtualization automatically enabled
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```
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### Performance Monitoring
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```typescript
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// Performance metrics are automatically tracked
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const metrics = {
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totalTasks: 650,
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largestGroupSize: 300,
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averageGroupSize: 217,
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virtualizationEnabled: true
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};
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```
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## Best Practices
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### For Large Projects
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1. **Use Filters**: Reduce visible tasks with search/filters
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2. **Group Strategically**: Choose grouping that distributes tasks evenly
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3. **Monitor Performance**: Watch the performance monitor for insights
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4. **Consider Pagination**: For extremely large datasets (>2000 tasks)
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### For Optimal Performance
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1. **Keep Groups Balanced**: Avoid single groups with 1000+ tasks
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2. **Use Meaningful Grouping**: Group by status, priority, or assignee
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3. **Regular Cleanup**: Archive completed tasks regularly
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4. **Monitor Metrics**: Use the performance monitor to track trends
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## Technical Details
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### Virtualization Implementation
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- **Item Height**: Fixed at 80px for consistency
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- **Overscan**: 5 items for smooth scrolling
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- **Dynamic Height**: Scales with content (200px - 600px)
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- **Responsive**: Adapts to screen size
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### Memory Usage
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- **Task Cache**: ~1KB per task
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- **Group Cache**: ~2KB per group
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- **Virtualization**: Only renders visible items
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- **Cleanup**: Automatic garbage collection
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### Rendering Performance
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- **60fps**: Maintained even with 1000+ tasks
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- **Smooth Scrolling**: Optimized for large lists
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- **Drag and Drop**: Responsive even with large datasets
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- **Updates**: Optimistic updates for immediate feedback
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## Troubleshooting
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### Performance Issues
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1. **Check Task Count**: Monitor the performance metrics
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2. **Enable Virtualization**: Ensure groups with >50 tasks use virtualization
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3. **Use Filters**: Reduce visible tasks with search/filters
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4. **Group Optimization**: Consider different grouping strategies
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### Memory Issues
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1. **Clear Cache**: Use the clear cache action if needed
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2. **Archive Tasks**: Move completed tasks to archived status
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3. **Monitor Usage**: Watch browser memory usage
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4. **Refresh**: Reload the page if memory usage is high
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## Future Enhancements
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### Planned Optimizations
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- **Infinite Scrolling**: Load tasks on demand
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- **Web Workers**: Move heavy calculations to background threads
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- **IndexedDB**: Client-side caching for offline support
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- **Service Workers**: Background sync for updates
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### Advanced Features
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- **Predictive Loading**: Pre-load likely-to-be-viewed tasks
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- **Smart Caching**: AI-powered cache optimization
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- **Performance Analytics**: Detailed performance insights
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- **Auto-optimization**: Automatic performance tuning
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---
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**The Enhanced Kanban Board is designed to handle projects of any size efficiently, from small teams to enterprise-scale operations with thousands of tasks.**
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