remove reopen delay minutes from global rules and update related types

- Removed the  field from  and related components.
- Updated  to reflect the removal of the reopen delay input field.
- Modified  to include new train number fields:  and .
- Added  interface to manage active schedules with trade direction.
- Introduced  interface to track wagon shortages in bookings.
- Updated  logic to ensure consistent UI state representation.
- Created migrations to drop the  column and add  and  columns to the  table.
- Added tests for the new booking window display logic and wagon planning functionality.

apps/edr-freight-api/src/modules/train-scheduling/fleet-plan.util.ts

@@ -17,10 +17,21 @@ export type FleetAvailabilityRow = {
   shortfall: number;
 };
 
+/** Per-booking wagon shortage: how many wagons of which type this booking still lacks. */
+export type BookingWagonShortage = {
+  /** Candidate wagon-type codes usable by the booking, joined ("NW6" or "NW6/CW3"). */
+  wagonTypeCodes: string;
+  wagonsNeeded: number;
+  wagonsAvailable: number;
+  wagonsShort: number;
+};
+
 export type DeferredBookingRow = {
   id: string;
   reference: string;
   reason: string;
+  /** Set when the deferral is a fleet-stock shortage (absent for config issues). */
+  shortage?: BookingWagonShortage | null;
 };
 
 export function sortBookingsForScheduling(bookings: Booking[]): Booking[] {
@@ -156,6 +167,16 @@ export function summarizeFleetWarnings(
     );
   }
 
+  // Name the bookings the shortage actually hits, with their own per-type counts,
+  // so staff know WHAT is held out — not just that the pool is short overall.
+  for (const row of deferred) {
+    if (!row.shortage) continue;
+    warnings.push(
+      `Booking ${row.reference} held out: needs ${row.shortage.wagonsNeeded} × ${row.shortage.wagonTypeCodes}, ` +
+        `only ${row.shortage.wagonsAvailable} available (short ${row.shortage.wagonsShort})`,
+    );
+  }
+
   if (deferred.length) {
     warnings.push(
       `${deferred.length} booking(s) deferred to next train due to insufficient fleet wagons`,