added return data

app/api/services/loan_service.py

@@ -123,6 +123,8 @@ class LoanService:
                     'id': loan.id,
                     'customer_id': loan.customer_id,
                     'account_id': loan.account_id,
+                    'transaction_id': loan.transaction_id,
+                    'original_transaction': loan.original_transaction,
                     'offer_id': loan.offer_id,
                     'initial_loan_amount': loan.initial_loan_amount,
                     'current_loan_amount': loan.current_loan_amount,
@@ -130,6 +132,9 @@ class LoanService:
                     'product_id': loan.product_id,
                     'default_penalty_fee': loan.default_penalty_fee,
                     'continuous_fee': loan.continuous_fee,
+                    'upfront_fee': self.upfront_fee,
+                    'repayment_amount': self.repayment_amount,
+                    'installment_amount': self.installment_amount,
                     'due_date': loan.due_date.isoformat() if loan.due_date else None,
                     'created_at': loan.created_at.isoformat() if loan.created_at else None,
                     'updated_at': loan.updated_at.isoformat() if loan.updated_at else None

app/models/loan.py

@@ -222,6 +222,6 @@ class Loan(db.Model):
             'created_at': self.created_at.isoformat() if self.created_at else None,
             'updated_at': self.updated_at.isoformat() if self.updated_at else None
         }
-    
+
     def __repr__(self):
         return f'<Loan {self.id}>'