fix: skip webhook self-test for internal production URLs

src/services/webhook-manager.ts

@@ -176,6 +176,13 @@ export class WebhookManager {
 				throw new Error('WEBHOOK_URL is not set');
 			}
 
+			// Skip self-test in production if using internal URL
+			if (process.env.NODE_ENV === 'production' && 
+				process.env.WEBHOOK_URL.startsWith('http://srv-captain--')) {
+				console.log('ℹ️ Skipping self-test for internal production URL');
+				return true;
+			}
+
 			console.log('ℹ️ Testing webhook endpoint:', process.env.WEBHOOK_URL);
 			
 			const testPayload = {
@@ -189,6 +196,7 @@ export class WebhookManager {
 					'Content-Type': 'application/json',
 				},
 				body: JSON.stringify(testPayload),
+				timeout: 5000 // Add timeout to prevent hanging
 			});
 
 			if (!response.ok) {