Merge pull request #1461 from Tria-plc/freight_feature/usermanagement

feat(contracts): implement staff cancellation of contracts with reaso…

apps/edr-freight-web/backoffice/src/hooks/contracts/useContracts.ts

@@ -151,6 +151,14 @@ export function useContractMutations(contractId: string) {
     onError: (error) => toast.error(extractErrorMessage(error, "Failed to reject contract")),
   });
 
+  const cancelByStaff = useMutation({
+    mutationFn: (reason: string) =>
+      contractsService.cancelByStaff(contractId, reason),
+    onSuccess: (data) => onSuccess(data, "Contract cancelled"),
+    onError: (error) =>
+      toast.error(extractErrorMessage(error, "Failed to cancel contract")),
+  });
+
   const suspend = useMutation({
     mutationFn: (reason: string) => contractsService.suspend(contractId, reason),
     onSuccess: (data) => onSuccess(data, "Contract suspended"),
@@ -269,6 +277,7 @@ export function useContractMutations(contractId: string) {
     updateDocument,
     requestChanges,
     reject,
+    cancelByStaff,
     suspend,
     resume,
     approveStep,