update booking process for customs clearance contracts, allowing customers to create bookings post-clearance finalization

apps/edr-freight-api/src/modules/contracts/contract-booking.service.ts

@@ -1,6 +1,5 @@
 import {
   BadRequestException,
-  ForbiddenException,
   Injectable,
   NotFoundException,
 } from '@nestjs/common';
@@ -192,18 +191,15 @@ export class ContractBookingService {
    */
   private async assertGate(contract: Contract, isGlActor: boolean): Promise<string> {
     if (contract.customsClearingEnabled) {
-      // Path B — GL Ethiopia only.
-      if (!isGlActor) {
-        throw new ForbiddenException(
-          'Only Global Logistics Ethiopia can create bookings for customs-clearance contracts.',
-        );
-      }
+      // Path B — the customer creates the booking once GL has finalized the
+      // pre-booking clearance (GL "create booking" was removed; clearance ends
+      // at finalize and hands the booking back to the customer).
       if (contract.clearanceStatus !== 'CLEARANCE_READY_FOR_BOOKING') {
         throw new BadRequestException(
           'Contract clearance is not ready for booking yet.',
         );
       }
-      return 'GL_ET';
+      return isGlActor ? 'GL_ET' : 'CUSTOMER';
     }
 
     // Path A — customer (or staff) once the contract is executed.