Implement clearance-first booking flow and completion process for customs contracts

apps/edr-freight-api/src/modules/contracts/contracts.controller.ts

@@ -826,8 +826,16 @@ export class ContractsController {
     @Param('id', ParseUUIDPipe) id: string,
     @Param('bookingId', ParseUUIDPipe) bookingId: string,
     @Body() dto: CreateBookingUnderContractDto,
+    @CurrentUser() user: AuthUserPayload,
   ) {
-    return this.contractBookingService.completeUnderContract(id, bookingId, dto);
+    // Customs (Path B) instances may only be completed by GL Ethiopia — the
+    // service checks the actor's contracts:create_booking permission.
+    return this.contractBookingService.completeUnderContract(
+      id,
+      bookingId,
+      dto,
+      user,
+    );
   }
 
   @Post(':id/validate-shipment')