implement update train details feature: add DTO, service method, and UI modal for editing train name and run numbers

apps/edr-freight-api/src/modules/bookings/booking-transition.service.ts

@@ -1,5 +1,6 @@
 import {
   BadRequestException,
+  ConflictException,
   forwardRef,
   Inject,
   Injectable,
@@ -714,6 +715,11 @@ export class BookingTransitionService {
     files: Express.Multer.File[],
   ): Promise<Booking> {
     const booking = await this.bookingsService.findById(bookingId);
+    if (booking.status === "AWAITING_CLEARANCE_PAYMENT") {
+      throw new ConflictException(
+        "The customs clearance service fee for this shipment has not been paid yet — pay it from the portal to unlock document upload.",
+      );
+    }
     assertBookingStatus(booking, [
       "AWAITING_DOCUMENTS",
       "DOCUMENTS_UNDER_REVIEW",