feat: add file upload and management features; enhance pagination and permissions handling

packages/features/newsletter/src/components/create-newsletter-form.tsx

@@ -16,6 +16,7 @@ import {
   FormMessage,
 } from '@kit/ui/form';
 import { Input } from '@kit/ui/input';
+import { Textarea } from '@kit/ui/textarea';
 import { useActionWithToast } from '@kit/ui/use-action-with-toast';
 
 import {
@@ -119,10 +120,10 @@ export function CreateNewsletterForm({
                 <FormItem>
                   <FormLabel>Inhalt (HTML) *</FormLabel>
                   <FormControl>
-                    <textarea
+                    <Textarea
                       {...field}
                       rows={12}
-                      className="border-input bg-background flex min-h-[200px] w-full rounded-md border px-3 py-2 font-mono text-sm"
+                      className="min-h-[200px] font-mono"
                       placeholder="<h1>Hallo!</h1><p>Ihr Newsletter-Inhalt...</p>"
                       data-test="newsletter-body-input"
                     />
@@ -138,10 +139,9 @@ export function CreateNewsletterForm({
                 <FormItem>
                   <FormLabel>Nur-Text-Version (optional)</FormLabel>
                   <FormControl>
-                    <textarea
+                    <Textarea
                       {...field}
                       rows={4}
-                      className="border-input bg-background flex min-h-[80px] w-full rounded-md border px-3 py-2 text-sm"
                       placeholder="Nur-Text-Fallback für E-Mail-Clients ohne HTML-Unterstützung"
                       data-test="newsletter-text-input"
                     />