Initial commit: StreamDeck Electron app
This commit is contained in:
Dávid Ádám
@@ -0,0 +1,238 @@
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const express = require('express');
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const WebSocket = require('ws');
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const http = require('http');
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const path = require('path');
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const { exec, spawn } = require('child_process');
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const fs = require('fs');
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// ─── Config ───────────────────────────────────────────────────────────────────
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const PORT = 8090;
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const CONFIG_PATH = path.join(__dirname, 'config.json');
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let config = { pages: [], gridCols: 5, gridRows: 3 };
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function loadConfig() {
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try {
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config = JSON.parse(fs.readFileSync(CONFIG_PATH, 'utf-8'));
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console.log(` ✓ Config loaded: ${config.pages.length} page(s), ${config.gridCols}×${config.gridRows} grid`);
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} catch (e) {
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console.log(' ! No config.json found, using defaults');
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}
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}
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loadConfig();
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// ─── Express server ────────────────────────────────────────────────────────────
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const app = express();
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app.use(express.static(path.join(__dirname, 'public')));
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app.use(express.json());
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// API endpoint to get config
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app.get('/api/config', (req, res) => res.json(config));
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// API endpoint to reload config
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app.post('/api/reload', (req, res) => {
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loadConfig();
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res.json({ ok: true, pages: config.pages.length });
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});
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// API endpoint to run AppleScript
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app.post('/api/osascript', (req, res) => {
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const { script } = req.body;
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if (!script) return res.status(400).json({ error: 'missing script' });
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exec(`osascript -e '${script.replace(/'/g, "'\\''")}'`, (err, stdout, stderr) => {
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if (err && stderr) console.error(' ✗ osascript error:', stderr.trim());
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res.json({ ok: !err, stdout: stdout?.trim(), stderr: stderr?.trim() });
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});
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});
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// API endpoint to run shell commands
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app.post('/api/exec', (req, res) => {
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const { command } = req.body;
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if (!command) return res.status(400).json({ error: 'missing command' });
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exec(command, { timeout: 5000 }, (err, stdout, stderr) => {
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if (err && stderr) console.error(' ✗ exec error:', stderr.trim());
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res.json({ ok: !err, stdout: stdout?.trim(), stderr: stderr?.trim() });
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});
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});
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// API endpoint to open an app
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app.post('/api/open', (req, res) => {
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const { app, url } = req.body;
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if (url) {
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exec(`open '${url.replace(/'/g, "'\\''")}'`, (err) => {
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res.json({ ok: !err });
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});
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} else if (app) {
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exec(`open -a '${app.replace(/'/g, "'\\''")}'`, (err) => {
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res.json({ ok: !err });
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});
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} else {
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res.status(400).json({ error: 'missing app or url' });
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}
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});
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// ─── WebSocket server ──────────────────────────────────────────────────────────
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const server = http.createServer(app);
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const wss = new WebSocket.Server({ server });
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function runAction(action, ws) {
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if (!action) return;
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const { type, value } = action;
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console.log(` ▶ ${type}: ${value?.substring(0, 60)}`);
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switch (type) {
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case 'keystroke': {
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// Simulate keyboard shortcut via AppleScript
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// value: "cmd+c", "cmd+shift+4", "cmd+space", etc.
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const parts = value.split('+').map(s => s.trim().toLowerCase());
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const key = parts.pop();
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const specialKeys = {
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'cmd': 'command down', 'ctrl': 'control down', 'alt': 'option down',
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'shift': 'shift down', 'option': 'option down', 'command': 'command down',
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'control': 'control down', 'fn': 'fn down',
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};
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// Map key names to AppleScript key codes or names
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const keyMap = {
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'enter': 'return', 'return': 'return', 'tab': 'tab', 'space': 'space',
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'escape': 'escape', 'esc': 'escape', 'backspace': 'backspace',
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'delete': 'backspace', 'up': 'up', 'down': 'down', 'left': 'left',
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'right': 'right', 'home': 'home', 'end': 'end', 'pageup': 'page up',
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'pagedown': 'page down',
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};
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const appleKey = keyMap[key] || key;
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const pressedKeys = parts.map(k => specialKeys[k] || k).join(', ');
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const script = pressedKeys
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? `tell application "System Events" to keystroke "${appleKey}" using {${pressedKeys}}`
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: `tell application "System Events" to keystroke "${appleKey}"`;
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exec(`osascript -e '${script.replace(/'/g, "'\\''")}'`, (err) => {
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if (err) console.error(` ✗ keystroke error: ${err.message}`);
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});
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break;
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}
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case 'app': {
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exec(`open -a '${(value || '').replace(/'/g, "'\\''")}'`, (err) => {
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if (err) console.error(` ✗ open app error: ${err.message}`);
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});
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break;
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}
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case 'url': {
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exec(`open '${(value || '').replace(/'/g, "'\\''")}'`, (err) => {
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if (err) console.error(` ✗ open url error: ${err.message}`);
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});
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break;
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}
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case 'shell': {
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exec(value, { timeout: 5000 }, (err, stdout, stderr) => {
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if (err) console.error(` ✗ shell error: ${err.message}`);
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else if (stdout?.trim()) console.log(` ↳ ${stdout.trim().substring(0, 80)}`);
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});
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break;
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}
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case 'osascript': {
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exec(`osascript -e '${(value || '').replace(/'/g, "'\\''")}'`, (err, stdout, stderr) => {
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if (err && stderr) console.error(` ✗ osascript error: ${stderr.trim()}`);
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});
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break;
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}
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case 'volume': {
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const vol = parseInt(value);
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if (!isNaN(vol)) {
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exec(`osascript -e 'set volume output volume ${vol}'`, (err) => {
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if (err) console.error(` ✗ volume error: ${err.message}`);
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});
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}
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break;
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}
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case 'brightness': {
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// Requires external tool or AppleScript
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exec(`osascript -e 'tell application "System Events"' -e 'repeat 20 times' -e 'key code 107' -e 'end repeat' -e 'end tell'`, () => {});
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break;
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}
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case 'sleep': {
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exec('pmset displaysleepnow', (err) => {
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if (err) console.error(` ✗ sleep error: ${err.message}`);
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});
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break;
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}
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case 'screenshot': {
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const script = value === 'window'
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? 'tell application "System Events" to keystroke "3" using {command down, shift down}' // full screen
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: value === 'area'
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? 'tell application "System Events" to keystroke "4" using {command down, shift down}' // area
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: 'tell application "System Events" to keystroke "5" using {command down, shift down}'; // screen record
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exec(`osascript -e '${script}'`, (err) => {
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if (err) console.error(` ✗ screenshot error: ${err.message}`);
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});
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break;
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}
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default: {
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if (ws) ws.send(JSON.stringify({ type: 'error', message: `Unknown action type: ${type}` }));
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}
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}
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}
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wss.on('connection', (ws) => {
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console.log(' ◉ Browser connected via WebSocket');
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ws.send(JSON.stringify({ type: 'connected', message: 'Stream Deck ready' }));
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ws.on('message', (raw) => {
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try {
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const msg = JSON.parse(raw.toString());
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console.log(` ◀ ${msg.type}${msg.id ? ` [${msg.id}]` : ''}`);
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switch (msg.type) {
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case 'press':
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if (msg.actions) {
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// Execute multiple actions sequentially
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const executeNext = (index) => {
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if (index >= msg.actions.length) return;
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const action = msg.actions[index];
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const delay = action.delay || 0;
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if (delay > 0) {
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setTimeout(() => { runAction(action, ws); executeNext(index + 1); }, delay);
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} else {
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runAction(action, ws);
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executeNext(index + 1);
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}
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};
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executeNext(0);
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}
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break;
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case 'ping':
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ws.send(JSON.stringify({ type: 'pong' }));
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break;
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default:
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ws.send(JSON.stringify({ type: 'error', message: `Unknown message type: ${msg.type}` }));
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}
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} catch (e) {
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console.error(' ✗ Invalid message:', e.message);
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}
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});
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ws.on('close', () => console.log(' ◉ Browser disconnected'));
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});
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// ─── Start ─────────────────────────────────────────────────────────────────────
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server.listen(PORT, '0.0.0.0', () => {
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console.log('');
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console.log('╔══════════════════════════════════════════════╗');
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console.log('║ 🎛 Custom Stream Deck Server ║');
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console.log('╠══════════════════════════════════════════════╣');
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console.log(`║ Local: http://localhost:${PORT} ║`);
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console.log(`║ Network: http://192.168.1.231:${PORT} ║`);
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console.log('╠══════════════════════════════════════════════╣');
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console.log(`║ Pages: ${config.pages.length} Grid: ${config.gridCols}×${config.gridRows} ║`);
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console.log('╚══════════════════════════════════════════════╝');
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console.log('');
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});
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