feat: add delete functionality for leases, catch books, and permits; implement newsletter update feature

apps/web/app/[locale]/home/[account]/newsletter/[campaignId]/page.tsx

@@ -1,10 +1,11 @@
 import Link from 'next/link';
 
-import { ArrowLeft, Send, Users } from 'lucide-react';
+import { ArrowLeft, Pencil, Send, Users } from 'lucide-react';
 
 import { createNewsletterApi } from '@kit/newsletter/api';
 import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { Badge } from '@kit/ui/badge';
+import { Button } from '@kit/ui/button';
 import { Card, CardContent, CardHeader, CardTitle } from '@kit/ui/card';
 
 import { AccountNotFound } from '~/components/account-not-found';
@@ -74,9 +75,19 @@ export default async function NewsletterDetailPage({ params }: PageProps) {
             <CardTitle>
               {String(newsletter.subject ?? '(Kein Betreff)')}
             </CardTitle>
-            <Badge variant={NEWSLETTER_STATUS_VARIANT[status] ?? 'secondary'}>
-              {NEWSLETTER_STATUS_LABEL[status] ?? status}
-            </Badge>
+            <div className="flex items-center gap-2">
+              {status === 'draft' && (
+                <Button asChild variant="outline" size="sm">
+                  <Link href={`/home/${account}/newsletter/${campaignId}/edit`}>
+                    <Pencil className="mr-2 h-4 w-4" />
+                    Bearbeiten
+                  </Link>
+                </Button>
+              )}
+              <Badge variant={NEWSLETTER_STATUS_VARIANT[status] ?? 'secondary'}>
+                {NEWSLETTER_STATUS_LABEL[status] ?? status}
+              </Badge>
+            </div>
           </CardHeader>
           <CardContent>
             <div className="grid grid-cols-1 gap-4 sm:grid-cols-3">