Implement WebSocket-based webhook relay with enhanced SvelteKit integration

Co-authored-by: lukeslakemail <lukeslakemail@gmail.com>

sveltekit-integration/scripts/dev.js

@@ -0,0 +1,42 @@
+#!/usr/bin/env node
+
+import { spawn } from 'child_process';
+import { fileURLToPath } from 'url';
+import { dirname, join } from 'path';
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = dirname(__filename);
+const projectRoot = join(__dirname, '..');
+
+// Start SvelteKit dev server
+const svelteProcess = spawn('npm', ['run', 'dev'], {
+	cwd: projectRoot,
+	stdio: 'inherit',
+	shell: true
+});
+
+// Start WebSocket server
+const wsProcess = spawn('node', ['scripts/websocket-server.js'], {
+	cwd: projectRoot,
+	stdio: 'inherit',
+	shell: true
+});
+
+// Handle process cleanup
+process.on('SIGINT', () => {
+	console.log('\nShutting down servers...');
+	svelteProcess.kill('SIGINT');
+	wsProcess.kill('SIGINT');
+	process.exit(0);
+});
+
+process.on('SIGTERM', () => {
+	svelteProcess.kill('SIGTERM');
+	wsProcess.kill('SIGTERM');
+	process.exit(0);
+});
+
+console.log('Starting SvelteKit development environment...');
+console.log('SvelteKit: http://localhost:5173');
+console.log('WebSocket: ws://localhost:4001');
+console.log('Press Ctrl+C to stop all servers');