Make config parameter optional in Google Translate service

Updated the translateWithGoogle function to accept an optional config parameter and handle missing clientIP values gracefully. This improves flexibility and prevents errors when config or its properties are undefined.

src/lib/services/googleTranslate.ts

@@ -19,7 +19,7 @@ import {
  */
 export async function translateWithGoogle(
   params: RequestParams,
-  config: Config & { env: any; clientIP: string }
+  config?: Config & { env?: any; clientIP?: string }
 ): Promise<ResponseParams> {
   try {
     const { text, source_lang, target_lang } = params;
@@ -88,7 +88,7 @@ export async function translateWithGoogle(
 
     const errorResponse = createErrorResponse(error, {
       endpoint: "/google",
-      clientIP: config.clientIP,
+      clientIP: config?.clientIP || "unknown",
     });
 
     return errorResponse.response;