update pos consumer module

prisma/schema/shared/customers.prisma

@@ -1,15 +1,15 @@
 model Customer {
   id          String       @id @default(uuid())
-  created_at  DateTime     @default(now()) @db.Timestamp(0)
-  updated_at  DateTime     @updatedAt @db.Timestamp(0)
-  deleted_at  DateTime?    @db.Timestamp(0)
   type        CustomerType
-  complex_id  String
   is_favorite Boolean?     @default(false)
 
-  sales_invoices      SalesInvoice[]
-  customerIndividuals CustomerIndividual?
-  customerLegals      CustomerLegal?
+  created_at DateTime  @default(now()) @db.Timestamp(0)
+  updated_at DateTime  @updatedAt @db.Timestamp(0)
+  deleted_at DateTime? @db.Timestamp(0)
+
+  sales_invoices       SalesInvoice[]
+  customer_individuals CustomerIndividual?
+  customer_legals      CustomerLegal?
 
   @@map("customers")
 }
@@ -24,6 +24,7 @@ model CustomerIndividual {
   complex_id    String
 
   customer Customer @relation(fields: [customer_id], references: [id])
+  complex  Complex  @relation(fields: [complex_id], references: [id])
 
   @@unique([complex_id, national_id])
   @@map("customer_individuals")
@@ -38,6 +39,7 @@ model CustomerLegal {
   complex_id          String
 
   customer Customer @relation(fields: [customer_id], references: [id])
+  complex  Complex  @relation(fields: [complex_id], references: [id])
 
   @@unique([complex_id, registration_number])
   @@map("customer_legal")

prisma/schema/shared/sales.prisma

@@ -10,9 +10,11 @@ model SalesInvoice {
 
   customer_id String?
   account_id  String
-  complex_id  String
+  pos_id      String
 
   customer Customer?             @relation(fields: [customer_id], references: [id])
+  pos      Pos                   @relation(fields: [pos_id], references: [id])
+  account  ConsumerAccount       @relation(fields: [account_id], references: [id])
   items    SalesInvoiceItem[]
   payments SalesInvoicePayment[]