Datenschutz vollmacht fixed, two time counter added

frontend/src/pages/contracts/ContractList.tsx

@@ -1,6 +1,7 @@
 import { useState, useEffect, useMemo } from 'react';
 import { useQuery, useMutation, useQueryClient, useQueries } from '@tanstack/react-query';
 import { Link, useSearchParams, useNavigate } from 'react-router-dom';
+import { pushHistory } from '../../utils/navigation';
 import { contractApi, ContractTreeNode } from '../../services/api';
 import { useAuth } from '../../context/AuthContext';
 import Card from '../../components/ui/Card';
@@ -271,7 +272,7 @@ export default function ContractList() {
                 <div className="w-6" /> // Platzhalter für Ausrichtung
               ) : null}
 
-              <Link to={`/contracts/${contract.id}`} state={{ from: '/contracts' }} className="font-mono flex items-center gap-1 hover:text-blue-600 hover:underline">
+              <Link to={`/contracts/${contract.id}`} state={pushHistory('/contracts')} className="font-mono flex items-center gap-1 hover:text-blue-600 hover:underline">
                 {contract.contractNumber}
                 <CopyButton value={contract.contractNumber} />
               </Link>
@@ -456,7 +457,7 @@ export default function ContractList() {
                     {data.data.map((contract) => (
                       <tr key={contract.id} className="border-b hover:bg-gray-50">
                         <td className="py-3 px-4 font-mono text-sm">
-                          <Link to={`/contracts/${contract.id}`} state={{ from: '/contracts' }} className="text-blue-600 hover:underline">
+                          <Link to={`/contracts/${contract.id}`} state={pushHistory('/contracts')} className="text-blue-600 hover:underline">
                             {contract.contractNumber}
                           </Link>
                         </td>
@@ -465,7 +466,7 @@ export default function ContractList() {
                             {contract.customer && (
                               <Link
                                 to={`/customers/${contract.customer.id}`}
-                                state={{ from: '/contracts' }}
+                                state={pushHistory('/contracts')}
                                 className="text-blue-600 hover:underline"
                               >
                                 {contract.customer.companyName ||
@@ -505,7 +506,7 @@ export default function ContractList() {
                               <Eye className="w-4 h-4" />
                             </Button>
                             {hasPermission('contracts:update') && !isCustomer && (
-                              <Link to={`/contracts/${contract.id}/edit`} state={{ from: '/contracts' }}>
+                              <Link to={`/contracts/${contract.id}/edit`} state={pushHistory('/contracts')}>
                                 <Button variant="ghost" size="sm">
                                   <Edit className="w-4 h-4" />
                                 </Button>