feat: refactor ComplexPosesService to remove unused defaultInsert method and improve findAll logic

fix: update PartnersService to use 'isNot' instead of 'not' for allocation checks

refactor: enhance BusinessActivityComplexesService to validate license activation before creating a complex

fix: adjust ComplexPosesService to ensure account allocation checks are accurate and handle errors properly

refactor: modify ConsumerMiddleware to set consumerData instead of partnerData for better clarity

feat: expand SaleInvoicesService to include additional fields in the invoice selection

chore: update business-activities module to include accounts-charge module for better organization

fix: ensure ComplexPosesService correctly handles account allocation during POS creation

feat: implement PartnerBusinessActivityAccountsCharge module with create functionality for account charges

refactor: streamline getPartnerBusinessActivityAllocationLimits utility for better clarity and functionality

chore: add migration script to update database schema with necessary constraints and foreign keys

feat: create DTO for accounts charge to validate incoming data

prisma/schema/admin/consumers.prisma

@@ -44,7 +44,7 @@ model Consumer {
 
 model BusinessActivity {
   id            String @id @default(ulid())
-  economic_code String @unique()
+  economic_code String
   name          String
 
   created_at DateTime @default(now()) @db.Timestamp(0)
@@ -60,6 +60,7 @@ model BusinessActivity {
   permission_businesses PermissionBusiness[]
   license_activation    LicenseActivation?
 
+  @@unique([economic_code, consumer_id])
   @@map("business_activities")
 }
 
@@ -103,12 +104,12 @@ model Pos {
   device_id String?
   device    Device? @relation(fields: [device_id], references: [id])
 
-  account_id String?          @unique
-  account    ConsumerAccount? @relation(fields: [account_id], references: [id])
-
   provider_id String?
   provider    Provider? @relation(fields: [provider_id], references: [id])
 
+  account_id String          @unique
+  account    ConsumerAccount @relation(fields: [account_id], references: [id])
+
   permission_pos PermissionPos[]
   sales_invoices SalesInvoice[]