update subscription algorithm

apps/api/src/modules/payments/payment.schemas.ts

@@ -3,14 +3,14 @@ import { z } from 'zod'
 export const chargeSchema = z.object({
   provider:   z.enum(['AMANPAY', 'PAYPAL']),
   type:       z.enum(['CHARGE', 'DEPOSIT']).default('CHARGE'),
-  currency:   z.enum(['MAD', 'USD', 'EUR']).default('MAD'),
+  currency:   z.literal('MAD').default('MAD'),
   successUrl: z.string().url(),
   failureUrl: z.string().url(),
 })
 
 export const manualPaymentSchema = z.object({
   amount:        z.number().int().positive(),
-  currency:      z.enum(['MAD', 'USD', 'EUR']).default('MAD'),
+  currency:      z.literal('MAD').default('MAD'),
   type:          z.enum(['CHARGE', 'DEPOSIT']).default('CHARGE'),
   paymentMethod: z.enum(['CASH', 'CHECK', 'BANK_TRANSFER', 'CARD', 'PAYPAL']),
 })