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
This commit is contained in:
2026-02-14 16:40:40 -06:00
parent fe99c9ff61
commit c98f3e2b99
8 changed files with 309 additions and 334 deletions

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@@ -2,6 +2,7 @@
export const PORT_HTTP = 4101
export const PORT_TERMINAL = 4103
export const PORT_GIT = 4105
export const PORT_TORCH = 4106
// Terminal configuration
export const WORKING_DIR = process.cwd().replace(/[\\\/]server$/, '')

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@@ -11,7 +11,6 @@ import { handleWhisperRoutes } from './whisper'
import { handleRecordingsRoutes } from './recordings'
import { handleClaudeStatus } from './claude-status'
import { handleGitStatus, handleGitDiff, handleGitLog, handleGitLogCommit, handleGitCompare, handleGitBranches, handleGitCurrentBranch, handleGitTree, handleGitFile } from './git'
import { handleTorch } from './torch'
export async function handleRequest(req: Request): Promise<Response> {
const url = new URL(req.url)
@@ -51,12 +50,6 @@ export async function handleRequest(req: Request): Promise<Response> {
if (res) return res
}
// Torch (multi-browser MCP control)
if (path.startsWith('/api/torch')) {
const res = await handleTorch(req, url)
if (res) return res
}
// Claude Code status (thinking/idle)
if (path === '/api/claude-status') {
const res = await handleClaudeStatus(req)

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@@ -1,159 +0,0 @@
import { jsonResponse, errorResponse } from '../utils/cors'
// Torch state - which client has control
interface TorchClient {
id: string
userAgent: string
hostname: string
connectedAt: Date
}
let torchState: {
holderId: string | null
clients: Map<string, TorchClient>
} = {
holderId: null,
clients: new Map()
}
// Generate unique client ID
let clientIdCounter = 1
function generateClientId(): string {
return `client_${clientIdCounter++}_${Date.now().toString(36)}`
}
// GET /api/torch - Get current torch state
export async function handleTorchGet() {
const clients = Array.from(torchState.clients.values()).map(c => ({
...c,
connectedAt: c.connectedAt.toISOString(),
hasTorch: c.id === torchState.holderId
}))
return jsonResponse({
holderId: torchState.holderId,
clients
})
}
// POST /api/torch/register - Register a new client
export async function handleTorchRegister(req: Request) {
const body = await req.json()
const { userAgent, hostname } = body
const id = generateClientId()
const client: TorchClient = {
id,
userAgent: userAgent || 'Unknown',
hostname: hostname || 'Unknown',
connectedAt: new Date()
}
torchState.clients.set(id, client)
// Auto-assign torch if no one has it
const shouldHaveTorch = !torchState.holderId
if (shouldHaveTorch) {
torchState.holderId = id
}
console.log(`[Torch] Client registered: ${id} (torch: ${shouldHaveTorch})`)
return jsonResponse({
id,
hasTorch: shouldHaveTorch
})
}
// POST /api/torch/request - Request the torch
export async function handleTorchRequest(req: Request) {
const body = await req.json()
const { clientId } = body
if (!clientId || !torchState.clients.has(clientId)) {
return errorResponse('Invalid client ID', 400)
}
const previousHolder = torchState.holderId
torchState.holderId = clientId
console.log(`[Torch] Torch transferred: ${previousHolder} -> ${clientId}`)
return jsonResponse({
success: true,
previousHolder
})
}
// POST /api/torch/release - Release the torch
export async function handleTorchRelease(req: Request) {
const body = await req.json()
const { clientId } = body
if (torchState.holderId !== clientId) {
return errorResponse('You do not have the torch', 400)
}
torchState.holderId = null
console.log(`[Torch] Torch released by: ${clientId}`)
return jsonResponse({ success: true })
}
// DELETE /api/torch/client/:id - Unregister a client
export async function handleTorchUnregister(clientId: string) {
if (!torchState.clients.has(clientId)) {
return errorResponse('Client not found', 404)
}
torchState.clients.delete(clientId)
// If this client had the torch, release it
if (torchState.holderId === clientId) {
torchState.holderId = null
// Auto-assign to next client if any
const nextClient = torchState.clients.keys().next().value
if (nextClient) {
torchState.holderId = nextClient
console.log(`[Torch] Auto-assigned to: ${nextClient}`)
}
}
console.log(`[Torch] Client unregistered: ${clientId}`)
return jsonResponse({ success: true })
}
// Main handler
export async function handleTorch(req: Request, url: URL) {
const path = url.pathname
// GET /api/torch - Get state
if (req.method === 'GET' && path === '/api/torch') {
return handleTorchGet()
}
// POST /api/torch/register - Register client
if (req.method === 'POST' && path === '/api/torch/register') {
return handleTorchRegister(req)
}
// POST /api/torch/request - Request torch
if (req.method === 'POST' && path === '/api/torch/request') {
return handleTorchRequest(req)
}
// POST /api/torch/release - Release torch
if (req.method === 'POST' && path === '/api/torch/release') {
return handleTorchRelease(req)
}
// DELETE /api/torch/client/:id - Unregister
const unregisterMatch = path.match(/^\/api\/torch\/client\/(.+)$/)
if (req.method === 'DELETE' && unregisterMatch) {
return handleTorchUnregister(unregisterMatch[1])
}
return null
}

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@@ -0,0 +1,192 @@
/**
* Torch Server
* WebSocket server for multi-browser MCP control synchronization.
* Only one browser can have the "torch" and connect to MCP at a time.
*/
import { PORT_TORCH } from '../config'
// Client metadata
interface TorchClient {
ws: any
id: string
userAgent: string
hostname: string
connectedAt: Date
}
// Connected clients
const clients = new Map<any, TorchClient>()
let clientIdCounter = 1
// Torch state - who has control
let torchHolderId: string | null = null
function generateClientId(): string {
return `client_${clientIdCounter++}_${Date.now().toString(36)}`
}
function broadcast(message: string) {
for (const [ws] of clients) {
try {
ws.send(message)
} catch {
clients.delete(ws)
}
}
}
function broadcastTorchState() {
const clientList = Array.from(clients.values()).map(c => ({
id: c.id,
userAgent: c.userAgent,
hostname: c.hostname,
connectedAt: c.connectedAt.toISOString(),
hasTorch: c.id === torchHolderId
}))
const message = JSON.stringify({
type: 'torch-update',
holderId: torchHolderId,
clients: clientList
})
broadcast(message)
}
function handleMessage(ws: any, data: any) {
const client = clients.get(ws)
if (!client) return
switch (data.type) {
case 'register': {
client.userAgent = data.userAgent || 'Unknown'
client.hostname = data.hostname || 'Unknown'
// Auto-assign torch if no one has it
const shouldHaveTorch = !torchHolderId
if (shouldHaveTorch) {
torchHolderId = client.id
}
ws.send(JSON.stringify({
type: 'registered',
id: client.id,
hasTorch: shouldHaveTorch
}))
console.log(`[Torch] Registered: ${client.id} (torch: ${shouldHaveTorch})`)
broadcastTorchState()
break
}
case 'request': {
const previousHolder = torchHolderId
torchHolderId = client.id
ws.send(JSON.stringify({ type: 'granted' }))
console.log(`[Torch] Transferred: ${previousHolder}${client.id}`)
broadcastTorchState()
break
}
case 'release': {
if (torchHolderId === client.id) {
torchHolderId = null
ws.send(JSON.stringify({ type: 'released' }))
console.log(`[Torch] Released by: ${client.id}`)
broadcastTorchState()
}
break
}
}
}
export function startTorchServer() {
const server = Bun.serve({
port: PORT_TORCH,
fetch(req, server) {
const url = new URL(req.url)
// CORS headers
const corsHeaders = {
'Access-Control-Allow-Origin': '*',
'Access-Control-Allow-Methods': 'GET, OPTIONS',
'Access-Control-Allow-Headers': 'Content-Type'
}
if (req.method === 'OPTIONS') {
return new Response(null, { headers: corsHeaders })
}
// Health check
if (url.pathname === '/health') {
return Response.json({
status: 'ok',
clients: clients.size,
torchHolder: torchHolderId
}, { headers: corsHeaders })
}
// WebSocket upgrade
const upgrade = req.headers.get('upgrade')
if (upgrade?.toLowerCase() === 'websocket') {
const success = server.upgrade(req)
if (success) return undefined
return new Response('WebSocket upgrade failed', { status: 400 })
}
return new Response('Torch WebSocket Server', { status: 200 })
},
websocket: {
open(ws) {
const id = generateClientId()
clients.set(ws, {
ws,
id,
userAgent: 'Unknown',
hostname: 'Unknown',
connectedAt: new Date()
})
console.log(`[Torch] Client connected: ${id} (${clients.size} total)`)
},
message(ws, message) {
try {
const data = JSON.parse(message.toString())
handleMessage(ws, data)
} catch (e) {
console.error('[Torch] Invalid message:', e)
}
},
close(ws) {
const client = clients.get(ws)
if (client) {
console.log(`[Torch] Client disconnected: ${client.id}`)
// If this client had the torch, release it
if (torchHolderId === client.id) {
torchHolderId = null
// Auto-assign to next client
const nextClient = clients.values().next().value
if (nextClient && nextClient.ws !== ws) {
torchHolderId = nextClient.id
console.log(`[Torch] Auto-assigned to: ${nextClient.id}`)
}
}
clients.delete(ws)
broadcastTorchState()
}
}
}
})
console.log(`[Torch] WebSocket server on port ${PORT_TORCH}`)
return server
}
export function stopTorchServer() {
clients.clear()
torchHolderId = null
}

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@@ -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()