Add POI feature and imporve the overall backend implementation

services/sales/app/repositories/sales_repository.py

@@ -283,9 +283,19 @@ class SalesRepository(BaseRepository[SalesData, SalesDataCreate, SalesDataUpdate
     async def create_sales_records_bulk(
         self,
         sales_data_list: List[SalesDataCreate],
-        tenant_id: UUID
-    ) -> int:
-        """Bulk insert sales records for performance optimization"""
+        tenant_id: UUID,
+        return_records: bool = False
+    ) -> int | List[SalesData]:
+        """Bulk insert sales records for performance optimization
+
+        Args:
+            sales_data_list: List of sales data to create
+            tenant_id: Tenant ID
+            return_records: If True, returns list of created records instead of count
+
+        Returns:
+            Either count of created records (int) or list of created records (List[SalesData])
+        """
         try:
             from uuid import uuid4
 
@@ -317,7 +327,8 @@ class SalesRepository(BaseRepository[SalesData, SalesDataCreate, SalesDataUpdate
                 count=len(records),
                 tenant_id=tenant_id
             )
-            return len(records)
+
+            return records if return_records else len(records)
 
         except Exception as e:
             logger.error("Failed to bulk create sales records", error=str(e), tenant_id=tenant_id)