Add role-based filtering and imporve code

services/suppliers/app/models/__init__.py

@@ -3,6 +3,13 @@
 Models package for the Supplier service
 """
 
+# Import AuditLog model for this service
+from shared.security import create_audit_log_model
+from shared.database.base import Base
+
+# Create audit log model for this service
+AuditLog = create_audit_log_model(Base)
+
 from .suppliers import (
     Supplier, SupplierPriceList, PurchaseOrder, PurchaseOrderItem,
     Delivery, DeliveryItem, SupplierQualityReview, SupplierInvoice,
@@ -49,5 +56,6 @@ __all__ = [
     'AlertType',
     'AlertStatus',
     'PerformanceMetricType',
-    'PerformancePeriod'
+    'PerformancePeriod',
+    "AuditLog"
 ]