added missing tender data to response

internal/tender/service.go

@@ -113,12 +113,7 @@ func (s *tenderService) GetByID(ctx context.Context, id string) (*TenderResponse
 		return nil, fmt.Errorf("failed to retrieve tender: %w", err)
 	}
 
-	resp := tender.ToResponse()
-	if tr, ok := tender.Translations[s.defaultLanguage]; ok {
-		resp.Title = tr.Title
-		resp.Description = tr.Description
-		resp.Language = s.defaultLanguage
-	}
+	resp := tender.ToResponseWithLanguage(s.defaultLanguage)
 
 	// Enrich with AI summary from MinIO storage (best-effort, non-blocking)
 	s.enrichWithAISummary(ctx, tender, resp)
@@ -284,7 +279,7 @@ func (s *tenderService) Update(ctx context.Context, req UpdateTenderRequest) (*T
 		"tender_id": tender.ID,
 	})
 
-	return tender.ToResponse(), nil
+	return tender.ToResponseWithLanguage(s.defaultLanguage), nil
 }
 
 // Delete deletes a tender