Add a base domain constant for flexibility

frontend/src/core/config.ts

@@ -5,17 +5,23 @@
  * @version 1.0.0
  */
 
+/**
+ * Base domain name for all requests in production
+ * @constant
+ */
+export const BASE_DOMAIN = "fromchat.ru";
+
 /**
  * Base API endpoint for all backend requests
  * @constant
  */
-export const API_BASE_URL = `${location.host ? "" : "https://fromchat.toolbox-io.ru"}/api`;
+export const API_BASE_URL = `${location.host ? "" : `https://${BASE_DOMAIN}`}/api`;
 
 /**
  * Full API URL including hostname and port for WebSocket connections
  * @constant
  */
-export const API_WS_BASE_URL = `${location.host || "fromchat.toolbox-io.ru"}/api`;
+export const API_WS_BASE_URL = `${location.host || BASE_DOMAIN}/api`;
 
 /**
  * Application name displayed in UI and document title