fix: update webhook event names to match API enum values

src/services/webhook-manager.ts

@@ -22,8 +22,13 @@ type WebhookResponse = {
 export class WebhookManager {
 	private static readonly REQUIRED_EVENTS = [
 		'APPLICATION_STARTUP',
-		'messages.upsert',
-		'groups.update',
+		'MESSAGES_UPSERT',
+		'GROUPS_UPSERT',
+		'MESSAGES_UPDATE',
+		'MESSAGES_DELETE',
+		'PRESENCE_UPDATE',
+		'CONTACTS_UPDATE',
+		'CHATS_UPDATE'
 	];
 
 	private static validateConfig() {