refactor: Use dedicated WebSocket server for torch sync

- Add torch WebSocket server on port 4106
- Remove HTTP polling, use WebSocket for instant sync
- Torch state changes broadcast immediately to all clients
- Auto-reconnect on disconnect
- Add port 4106 to kill-ports script

server/terminal.ts

@@ -7,6 +7,7 @@
 
 import { startTerminalServer } from './services/terminal'
 import { startGitServer } from './services/git-watcher'
+import { startTorchServer } from './services/torch-server'
 import { WORKING_DIR } from './config'
 
 console.log('')
@@ -14,6 +15,7 @@ console.log('='.repeat(50))
 console.log('Terminal Server (Independent Process)')
 console.log(`  Terminal WebSocket: ws://localhost:4103`)
 console.log(`  Git WebSocket: ws://localhost:4105`)
+console.log(`  Torch WebSocket: ws://localhost:4106`)
 console.log(`  Working Dir: ${WORKING_DIR}`)
 console.log('')
 console.log('This process is stable and won\'t restart')
@@ -23,3 +25,4 @@ console.log('')
 
 startTerminalServer()
 startGitServer()
+startTorchServer()