fix(refactor): remove deprecated Port80Handler and related utilities

- Deleted event-utils.ts which contained deprecated Port80Handler and its subscribers.
- Updated index.ts to remove the export of event-utils.
- Refactored ConnectionManager to extend LifecycleComponent for better resource management.
- Added BinaryHeap implementation for efficient priority queue operations.
- Introduced EnhancedConnectionPool for managing pooled connections with lifecycle management.
- Implemented LifecycleComponent to manage timers and event listeners automatically.
- Added comprehensive tests for BinaryHeap and LifecycleComponent to ensure functionality.

readme.hints.md

@@ -401,7 +401,16 @@ const routes: IRouteConfig[] = [{
 - ✅ Migrated nftables-proxy filesystem operations to async (except stopSync for exit handlers)
 - ✅ All tests passing for new utilities
 
-### 6. Next Steps (Remaining Phases)
-- **Phase 2**: Implement LifecycleComponent for resource management
+### 6. Phase 2 Progress Status
+🔨 **Phase 2 IN PROGRESS** - Resource Lifecycle Management:
+- ✅ Created LifecycleComponent base class for automatic resource cleanup
+- ✅ Created BinaryHeap data structure for priority queue operations
+- ✅ Created EnhancedConnectionPool with backpressure and health checks
+- ✅ Cleaned up legacy code (removed ts/common/, event-utils.ts, event-system.ts)
+- 📋 TODO: Migrate existing components to extend LifecycleComponent
+- 📋 TODO: Add integration tests for resource management
+
+### 7. Next Steps (Remaining Work)
+- **Phase 2 (cont)**: Migrate components to use LifecycleComponent
 - **Phase 3**: Add worker threads for CPU-intensive operations  
 - **Phase 4**: Performance monitoring dashboard