add contract hazard declaration, DO collection dates, and booking request currency migrations; implement article body diff component and integrate into contract revision timeline

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

@@ -138,11 +138,14 @@ export function useContractMutations(contractId: string) {
     mutationFn: (payload: {
       validityDays: number;
       documentSnapshot?: Freight.IContractDocumentSnapshot;
+      validFrom?: string;
+      validUntil?: string;
     }) =>
       contractsService.staffAccept(
         contractId,
         payload.validityDays,
         payload.documentSnapshot,
+        { validFrom: payload.validFrom, validUntil: payload.validUntil },
       ),
     onSuccess: (data) => onSuccess(data, "Contract accepted for approval"),
     onError: (error) => toast.error(extractErrorMessage(error, "Failed to accept contract")),