feat: implement MANUAL_ONLY status for bookings and update related logic

packages/types/src/freight/index.ts

@@ -222,6 +222,13 @@ export enum SchedulingStatus {
   Dispatched = "DISPATCHED",
   /** Paid, but no wagon of the required type was free — held in the day pool for manual placement. */
   WaitingForWagon = "WAITING_FOR_WAGON",
+  /**
+   * Staff removed this paid booking from a train (unchecked at dispatch, or
+   * unassigned from the schedule). Auto-allocation sweeps must skip it — it
+   * would silently retake the space it was pulled from. Only a manual staff
+   * assignment puts it back on a train (which resets it to SCHEDULED).
+   */
+  ManualOnly = "MANUAL_ONLY",
 }
 
 export enum TrainScheduleStatus {