fix(auth): resolve position-type permissions so GL staff can open clearance pages

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

@@ -90,6 +90,21 @@ export class BookingInvoiceService {
     return this.billing.generateInvoice(input);
   }
 
+  /**
+   * Cancel the booking's open PREPAID invoice, if any — used when a
+   * changes-requested resubmit restates the cargo, so the re-priced booking can
+   * be re-invoiced. Throws when the invoice already has payments recorded
+   * (cargo must not change out from under recorded money).
+   */
+  async cancelUnpaidInvoiceForBooking(bookingId: string): Promise<void> {
+    const existing = await this.billing.findPayable(
+      Freight.InvoiceSource.Booking,
+      bookingId,
+      "PREPAID",
+    );
+    if (existing) await this.billing.cancelInvoice(existing.id);
+  }
+
   /**
    * React to a booking invoice being paid — the settlement branch point. Per-type
    * reactions live here (not in the payment process): each invoice type advances