feat: Implement consolidated booking functionality

- Added support for viewing and managing consolidated bookings in BookingRequestDetailPage.
- Enhanced BookingRequestsPage to display paired bookings in a single row.
- Introduced pairedDecision method in bookings service to handle decisions for both halves of a consolidated pair.
- Updated contracts service to include methods for manual consolidation of odd-20ft bookings.
- Created new components for selecting and editing consolidation partners.
- Added tests for paired decision logic and manual consolidation scenarios.
- Updated UI to reflect changes in booking handling and provide user feedback for odd container counts.

apps/edr-freight-web/backoffice/src/hooks/bookings/useBookings.ts

@@ -121,7 +121,38 @@ export function useBookingMutations(bookingId: string) {
     onError: (error) => toast.error(parseApiError(error, "Failed to cancel booking")),
   });
 
+  /**
+   * One staff decision applied to both halves of a consolidated pair. Both
+   * bookings are invalidated on success so whichever tab is open reflects the
+   * new state immediately.
+   */
+  const pairedDecision = useMutation({
+    mutationFn: (payload: {
+      decision: "accept" | "cancel" | "operationAccept" | "requestChanges";
+      reason?: string;
+      note?: string;
+      validityDays?: number;
+    }) => {
+      const { decision, ...options } = payload;
+      return bookingsService.pairedDecision(bookingId, decision, options);
+    },
+    onSuccess: (data) => {
+      toast.success("Applied to both bookings on the shared wagon");
+      void invalidateBookingDetail(qc, data.booking.id);
+      void invalidateBookingDetail(qc, data.partner.id);
+    },
+    onError: (error) => {
+      toast.error(
+        parseApiError(error, "Failed to apply the decision to both bookings"),
+      );
+      // Nothing should have committed (the server runs both halves in one
+      // transaction), but refetch so the UI never shows a stale guess.
+      void invalidateBookingDetail(qc, bookingId);
+    },
+  });
+
   const isPending =
+    pairedDecision.isPending ||
     staffAccept.isPending ||
     requestChanges.isPending ||
     staffReject.isPending ||
@@ -134,6 +165,7 @@ export function useBookingMutations(bookingId: string) {
     cancel.isPending;
 
   return {
+    pairedDecision,
     staffAccept,
     requestChanges,
     staffReject,