fix: update SupplierLedger model to use correct enum casing and adjust types

feat: enhance PosAccountsService to include inventoryBankAccount details in responses

refactor: modify PosService to return structured inventory and bank account data

chore: remove isSettled field from CreatePurchaseReceiptDto and adjust related logic

feat: add payments selection in SuppliersService for better payment tracking

chore: apply database migrations to adjust decimal types and enforce constraints

chore: create index on Pos_Accounts for improved query performance

feat: define Supplier and SupplierLedger models in Prisma schema for better data management

prisma/schema/enum.prisma

@@ -17,7 +17,7 @@ enum MovementReferenceType {
   INVENTORY_TRANSFER
 }
 
-enum payment_method_type {
+enum PaymentMethodType {
   CASH
   CARD
   BANK
@@ -25,9 +25,20 @@ enum payment_method_type {
   OTHER
 }
 
-enum ledgerSourceType {
+enum LedgerSourceType {
   PURCHASE
   PAYMENT
   ADJUSTMENT
   REFUND
 }
+
+enum PaymentType {
+  PAYMENT
+  REFUND
+}
+
+enum PurchaseReceiptStatus {
+  UNPAID
+  PARTIALLY_PAID
+  PAID
+}