- Fix WebSocket framing protocol issues with dynamic buffer allocation
- Remove 255KB transfer limit by using heap allocation for large data
- Optimize performance with 64KB chunking and faster reconnection (1s)
- Add SIGINT handling for graceful tunnel closure with error messages
- Improve WebSocket reconnection handling and tunnel state management
- Treat close frames as tunnel closures to maintain WebSocket connections
- Add proper memory cleanup and buffer overflow prevention
- Reduce reconnection intervals for better responsiveness