feat: implement consolidation approval process for shared-wagon bookings

- Add migration for consolidation approvals table and status enum
- Create ConsolidationApprovalService to handle approval logic
- Implement repository for managing consolidation approvals
- Add entity for consolidation approval with necessary fields
- Develop frontend components for displaying and managing consolidation approvals
- Create tests for consolidation approval service to ensure correct behavior

apps/edr-freight-web/backoffice/src/features/bookings/booking-status.config.ts

@@ -102,6 +102,11 @@ export const BOOKING_STATUS_STYLES: Record<string, StatusStyle> = {
     label: "Operation Changes",
     color: "bg-orange-50 text-orange-700 border-orange-200",
   },
+  // Shared-wagon gate: held for a human decision before reaching Operations.
+  CONSOLIDATION_APPROVAL_PENDING: {
+    label: "Wagon Approval",
+    color: "bg-amber-50 text-amber-700 border-amber-200",
+  },
   OPERATION_PRICE_PENDING_CONFIRM: {
     label: "Price Confirm",
     color: "bg-amber-50 text-amber-700 border-amber-200",
@@ -309,6 +314,9 @@ export const BOOKING_LIST_TABS = [
       "OPERATION_REQUEST_PENDING",
       "OPERATION_CHANGES_REQUESTED",
       "OPERATION_PRICE_PENDING_CONFIRM",
+      // Held at the shared-wagon gate — still an ops-review-stage booking, it
+      // just needs the pairing signed off before Operations can act on it.
+      "CONSOLIDATION_APPROVAL_PENDING",
     ],
   },
   {