gdpr audit implemented, email log, vollmachten, pdf delete cancel data privacy and vollmachten, removed message no id card in engergy car, and other contracts that are not telecom contracts, added insert counter for engery

frontend/src/pages/contracts/ContractForm.tsx

@@ -8,7 +8,7 @@ import Button from '../../components/ui/Button';
 import Input from '../../components/ui/Input';
 import Select from '../../components/ui/Select';
 import type { ContractType } from '../../types';
-import { Plus, Trash2, Eye, EyeOff, Info, X } from 'lucide-react';
+import { Plus, Trash2, Eye, EyeOff, Info, X, ArrowLeft } from 'lucide-react';
 
 // Contract types are now loaded dynamically from the database
 
@@ -655,9 +655,14 @@ export default function ContractForm() {
 
   return (
     <div>
-      <h1 className="text-2xl font-bold mb-6">
-        {isEdit ? 'Vertrag bearbeiten' : 'Neuer Vertrag'}
-      </h1>
+      <div className="flex items-center gap-4 mb-6">
+        <Button variant="ghost" size="sm" onClick={() => navigate(-1)}>
+          <ArrowLeft className="w-4 h-4" />
+        </Button>
+        <h1 className="text-2xl font-bold">
+          {isEdit ? 'Vertrag bearbeiten' : 'Neuer Vertrag'}
+        </h1>
+      </div>
 
       {error && (
         <div className="mb-4 p-4 bg-red-50 border border-red-200 text-red-700 rounded-lg">