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/stock.prisma

@@ -1,17 +1,17 @@
 model StockMovement {
   id                 Int                   @id @default(autoincrement())
   type               MovementType
-  quantity           Decimal               @db.Decimal(10, 2)
-  fee                Decimal               @db.Decimal(10, 2)
-  totalCost          Decimal               @db.Decimal(10, 2)
+  quantity           Decimal               @db.Decimal(10, 0)
+  fee                Decimal               @db.Decimal(15, 2)
+  totalCost          Decimal               @db.Decimal(15, 2)
   referenceType      MovementReferenceType
   referenceId        String
   createdAt          DateTime              @default(now()) @db.Timestamp(0)
   productId          Int
   inventoryId        Int
-  avgCost            Decimal               @db.Decimal(10, 2)
+  avgCost            Decimal               @db.Decimal(15, 2)
   supplierId         Int?
-  remainedInStock    Decimal               @default(0.00) @db.Decimal(10, 2)
+  remainedInStock    Decimal               @default(0.00) @db.Decimal(10, 0)
   counterInventoryId Int?
   customerId         Int?
   counterInventory   Inventory?            @relation("StockMovement_CounterInventory", fields: [counterInventoryId], references: [id])
@@ -48,7 +48,7 @@ model StockBalance {
 
 model StockAdjustment {
   id               Int       @id @default(autoincrement())
-  adjustedQuantity Decimal   @db.Decimal(10, 2)
+  adjustedQuantity Decimal   @db.Decimal(10, 0)
   createdAt        DateTime  @default(now()) @db.Timestamp(0)
   productId        Int
   inventoryId      Int