Fix Tahesab empty-range 502 by using a single ByCode call.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/api/src/integrations/tahesab/tahesab-methods.ts

@@ -145,6 +145,7 @@ export class TahesabApi {
     bodyKey?: string,
     args?: unknown[],
     method?: 'GET' | 'POST',
+    timeoutMs?: number,
   ) {
     return this.http.call<T>({
       ...this.creds,
@@ -152,6 +153,7 @@ export class TahesabApi {
       bodyKey,
       args,
       method,
+      timeoutMs,
     });
   }
 
@@ -182,12 +184,18 @@ export class TahesabApi {
     return this.call('DoEditMoshtari', 'DoEditMoshtari', args);
   }
 
-  doListMoshtariByCode(fromCode: number, toCode: number) {
+  doListMoshtariByCode(
+    fromCode: number,
+    toCode: number,
+    opts?: { timeoutMs?: number },
+  ) {
     // OpenAPI/Postman: کلید body برای ByCode دقیقاً «Dolistmoshtari» است (حساس به حروف)
     return this.call(
       'DoListMoshtari-ByCode',
       'Dolistmoshtari',
       [fromCode, toCode],
+      'POST',
+      opts?.timeoutMs,
     );
   }