Merge remote-tracking branch 'origin/main'

# Conflicts:
#	docker-compose.yml

.env.production.example

@@ -44,6 +44,12 @@ ADDITIONAL_REDIRECT_URLS=
 # --- Webhooks ---
 DB_WEBHOOK_SECRET=your-webhook-secret
 
+# --- Monitoring (Sentry) ---
+NEXT_PUBLIC_MONITORING_PROVIDER=sentry
+NEXT_PUBLIC_SENTRY_DSN=https://your-dsn@o123456.ingest.sentry.io/123456
+# NEXT_PUBLIC_SENTRY_ENVIRONMENT=production
+# SENTRY_AUTH_TOKEN=your-auth-token-for-source-maps
+
 # --- Feature Flags ---
 # All default to true, set to false to disable
 # NEXT_PUBLIC_ENABLE_MODULE_BUILDER=true

apps/e2e/tests/course-enrollment.spec.ts

@@ -4,7 +4,9 @@
 import { test, expect } from '@playwright/test';
 
 test.describe('Course Management', () => {
-  test('create course, enroll participant, check capacity, waitlist', async ({ page }) => {
+  test('create course, enroll participant, check capacity, waitlist', async ({
+    page,
+  }) => {
     // Create course with capacity 2
     // Enroll participant 1 → status: enrolled
     // Enroll participant 2 → status: enrolled

apps/e2e/tests/member-lifecycle.spec.ts

@@ -15,7 +15,9 @@ test.describe('Member Management', () => {
     await expect(page.locator('h1')).toContainText('Mitglieder');
   });
 
-  test('application workflow: submit → review → approve → member created', async ({ page }) => {
+  test('application workflow: submit → review → approve → member created', async ({
+    page,
+  }) => {
     // Submit application
     // Review application
     // Approve → verify member auto-created

apps/e2e/tests/module-builder.spec.ts

@@ -4,7 +4,9 @@
 import { test, expect } from '@playwright/test';
 
 test.describe('Module Builder', () => {
-  test('create module, add fields, insert record, query, update, soft-delete', async ({ page }) => {
+  test('create module, add fields, insert record, query, update, soft-delete', async ({
+    page,
+  }) => {
     // Login
     await page.goto('/auth/sign-in');
     await page.fill('input[name="email"]', 'test@example.com');

apps/e2e/tests/newsletter.spec.ts

@@ -4,7 +4,9 @@
 import { test, expect } from '@playwright/test';
 
 test.describe('Newsletter', () => {
-  test('create campaign, select recipients from members, preview, send', async ({ page }) => {
+  test('create campaign, select recipients from members, preview, send', async ({
+    page,
+  }) => {
     // Create newsletter
     // Add recipients from member filter (status=active, hasEmail=true)
     // Preview with variable substitution

apps/e2e/tests/sepa-batch.spec.ts

@@ -4,7 +4,9 @@
 import { test, expect } from '@playwright/test';
 
 test.describe('SEPA / Finance', () => {
-  test('create SEPA direct debit batch, add items, generate XML', async ({ page }) => {
+  test('create SEPA direct debit batch, add items, generate XML', async ({
+    page,
+  }) => {
     // Create batch
     // Add items with valid IBANs
     // Generate XML

apps/web/app/[locale]/(marketing)/page.tsx

@@ -78,7 +78,7 @@ function Home() {
       {/* Trust Indicators */}
       <div className={'container mx-auto'}>
         <div className="flex flex-col items-center gap-8">
-          <p className="text-muted-foreground text-sm font-medium uppercase tracking-widest">
+          <p className="text-muted-foreground text-sm font-medium tracking-widest uppercase">
             <Trans i18nKey={'marketing.trustedBy'} />
           </p>
 
@@ -89,10 +89,7 @@ function Home() {
               label="marketing.trustSchools"
             />
             <TrustItem icon={BookOpenIcon} label="marketing.trustClubs" />
-            <TrustItem
-              icon={GlobeIcon}
-              label="marketing.trustOrganizations"
-            />
+            <TrustItem icon={GlobeIcon} label="marketing.trustOrganizations" />
           </div>
         </div>
       </div>
@@ -184,9 +181,7 @@ function Home() {
                 </b>
                 .{' '}
                 <span className="text-secondary-foreground/70 block font-normal tracking-tight">
-                  <Trans
-                    i18nKey={'marketing.additionalFeaturesSubheading'}
-                  />
+                  <Trans i18nKey={'marketing.additionalFeaturesSubheading'} />
                 </span>
               </>
             }
@@ -256,7 +251,7 @@ function Home() {
       <div className="container mx-auto">
         <div className="flex flex-col items-center gap-12">
           <div className="text-center">
-            <h2 className="text-3xl font-medium tracking-tight dark:text-white xl:text-5xl">
+            <h2 className="text-3xl font-medium tracking-tight xl:text-5xl dark:text-white">
               <Trans i18nKey={'marketing.howItWorksHeading'} />
             </h2>
             <p className="text-secondary-foreground/70 mx-auto mt-4 max-w-2xl text-xl font-medium tracking-tight">
@@ -316,7 +311,7 @@ function Home() {
       {/* Final CTA */}
       <div className="container mx-auto">
         <div className="bg-primary/5 flex flex-col items-center gap-8 rounded-2xl border p-12 text-center lg:p-16">
-          <h2 className="max-w-3xl text-3xl font-medium tracking-tight dark:text-white xl:text-5xl">
+          <h2 className="max-w-3xl text-3xl font-medium tracking-tight xl:text-5xl dark:text-white">
             <Trans i18nKey={'marketing.ctaHeading'} />
           </h2>
           <p className="text-secondary-foreground/70 max-w-2xl text-lg">

apps/web/app/[locale]/admin/audit/page.tsx

@@ -9,10 +9,9 @@ export default async function AdminAuditPage() {
       </div>
 
       <div className="rounded-lg border p-6">
-        <p className="text-sm text-muted-foreground">
-          Alle Datenänderungen (Erstellen, Ändern, Löschen, Sperren)
-          über alle Mandanten hinweg. Filtert nach Zeitraum, Benutzer,
-          Tabelle und Aktion.
+        <p className="text-muted-foreground text-sm">
+          Alle Datenänderungen (Erstellen, Ändern, Löschen, Sperren) über alle
+          Mandanten hinweg. Filtert nach Zeitraum, Benutzer, Tabelle und Aktion.
         </p>
       </div>
     </div>

apps/web/app/[locale]/admin/gdpr/page.tsx

@@ -9,10 +9,11 @@ export default async function AdminGdprPage() {
       </div>
 
       <div className="rounded-lg border p-6">
-        <p className="text-sm text-muted-foreground">
-          Mandantenübergreifende Übersicht aller registrierten Verarbeitungstätigkeiten
-          gemäß Art. 30 DSGVO. Umfasst Zweck, Rechtsgrundlage, Datenkategorien,
-          Aufbewahrungsfristen und technisch-organisatorische Maßnahmen.
+        <p className="text-muted-foreground text-sm">
+          Mandantenübergreifende Übersicht aller registrierten
+          Verarbeitungstätigkeiten gemäß Art. 30 DSGVO. Umfasst Zweck,
+          Rechtsgrundlage, Datenkategorien, Aufbewahrungsfristen und
+          technisch-organisatorische Maßnahmen.
         </p>
       </div>
     </div>

apps/web/app/[locale]/admin/migration/page.tsx

@@ -8,23 +8,27 @@ export default async function AdminMigrationPage() {
         </p>
       </div>
 
-      <div className="rounded-lg border p-6 space-y-4">
+      <div className="space-y-4 rounded-lg border p-6">
         <h2 className="text-lg font-semibold">Migrationsschritte</h2>
-        <ol className="list-decimal list-inside space-y-2 text-sm">
+        <ol className="list-inside list-decimal space-y-2 text-sm">
           <li>MySQL-Verbindung konfigurieren</li>
           <li>Mandanten (user_profile → team accounts) zuordnen</li>
           <li>Benutzer (cms_user → auth.users) migrieren</li>
-          <li>Module (m_module/m_modulfeld → modules/module_fields) übertragen</li>
+          <li>
+            Module (m_module/m_modulfeld → modules/module_fields) übertragen
+          </li>
           <li>Mitglieder (ve_mitglieder → members) importieren</li>
           <li>Kurse (ve_kurse → courses) importieren</li>
           <li>Dateien (cms_files → Supabase Storage) hochladen</li>
           <li>Daten verifizieren und bereinigen</li>
         </ol>
 
-        <div className="rounded-md bg-amber-50 dark:bg-amber-950 border border-amber-200 dark:border-amber-800 p-4">
+        <div className="rounded-md border border-amber-200 bg-amber-50 p-4 dark:border-amber-800 dark:bg-amber-950">
           <p className="text-sm text-amber-800 dark:text-amber-200">
-            <strong>Hinweis:</strong> Die Migration erfordert eine MySQL-Verbindung zum Legacy-System.
-            Stellen Sie sicher, dass <code>mysql2</code> installiert ist und die Verbindungsdaten korrekt konfiguriert sind.
+            <strong>Hinweis:</strong> Die Migration erfordert eine
+            MySQL-Verbindung zum Legacy-System. Stellen Sie sicher, dass{' '}
+            <code>mysql2</code> installiert ist und die Verbindungsdaten korrekt
+            konfiguriert sind.
           </p>
         </div>
       </div>

apps/web/app/[locale]/admin/modules/page.tsx

@@ -9,9 +9,10 @@ export default async function AdminModulesPage() {
       </div>
 
       <div className="rounded-lg border p-6">
-        <p className="text-sm text-muted-foreground">
+        <p className="text-muted-foreground text-sm">
           Hier werden alle Module über alle Mandanten hinweg angezeigt.
-          Ermöglicht die zentrale Verwaltung von Modulvorlagen und -konfigurationen.
+          Ermöglicht die zentrale Verwaltung von Modulvorlagen und
+          -konfigurationen.
         </p>
       </div>
     </div>

apps/web/app/[locale]/club/[slug]/[...page]/page.tsx

@@ -1,9 +1,13 @@
-import { createClient } from '@supabase/supabase-js';
 import { notFound } from 'next/navigation';
+
+import { createClient } from '@supabase/supabase-js';
+
 import { SiteRenderer } from '@kit/site-builder/components';
 import type { SiteData } from '@kit/site-builder/context';
 
-interface Props { params: Promise<{ slug: string; page: string[] }> }
+interface Props {
+  params: Promise<{ slug: string; page: string[] }>;
+}
 
 export default async function ClubSubPage({ params }: Props) {
   const { slug, page: pagePath } = await params;
@@ -14,36 +18,73 @@ export default async function ClubSubPage({ params }: Props) {
     process.env.NEXT_PUBLIC_SUPABASE_PUBLIC_KEY!,
   );
 
-  const { data: account } = await supabase.from('accounts').select('id').eq('slug', slug).single();
+  const { data: account } = await supabase
+    .from('accounts')
+    .select('id')
+    .eq('slug', slug)
+    .single();
   if (!account) notFound();
 
-  const { data: settings } = await supabase.from('site_settings').select('*').eq('account_id', account.id).eq('is_public', true).maybeSingle();
+  const { data: settings } = await supabase
+    .from('site_settings')
+    .select('*')
+    .eq('account_id', account.id)
+    .eq('is_public', true)
+    .maybeSingle();
   if (!settings) notFound();
 
-  const { data: sitePageData } = await supabase.from('site_pages').select('*')
-    .eq('account_id', account.id).eq('slug', pageSlug).eq('is_published', true).maybeSingle();
+  const { data: sitePageData } = await supabase
+    .from('site_pages')
+    .select('*')
+    .eq('account_id', account.id)
+    .eq('slug', pageSlug)
+    .eq('is_published', true)
+    .maybeSingle();
   if (!sitePageData) notFound();
 
   // Pre-fetch CMS data for Puck components
   const [eventsRes, coursesRes, postsRes] = await Promise.all([
-    supabase.from('events').select('id, name, event_date, event_time, location, fee, status')
-      .eq('account_id', account.id).order('event_date', { ascending: true }).limit(20),
-    supabase.from('courses').select('id, name, start_date, end_date, fee, capacity, status')
-      .eq('account_id', account.id).order('start_date', { ascending: true }).limit(20),
-    supabase.from('cms_posts').select('id, title, excerpt, cover_image, published_at, slug')
-      .eq('account_id', account.id).eq('status', 'published').order('published_at', { ascending: false }).limit(20),
+    supabase
+      .from('events')
+      .select('id, name, event_date, event_time, location, fee, status')
+      .eq('account_id', account.id)
+      .order('event_date', { ascending: true })
+      .limit(20),
+    supabase
+      .from('courses')
+      .select('id, name, start_date, end_date, fee, capacity, status')
+      .eq('account_id', account.id)
+      .order('start_date', { ascending: true })
+      .limit(20),
+    supabase
+      .from('cms_posts')
+      .select('id, title, excerpt, cover_image, published_at, slug')
+      .eq('account_id', account.id)
+      .eq('status', 'published')
+      .order('published_at', { ascending: false })
+      .limit(20),
   ]);
 
   const siteData: SiteData = {
     accountId: account.id,
     events: eventsRes.data ?? [],
-    courses: (coursesRes.data ?? []).map(c => ({ ...c, enrolled_count: 0 })),
+    courses: (coursesRes.data ?? []).map((c) => ({ ...c, enrolled_count: 0 })),
     posts: postsRes.data ?? [],
   };
 
   return (
-    <div style={{ '--primary': settings.primary_color, fontFamily: settings.font_family } as React.CSSProperties}>
-      <SiteRenderer data={(sitePageData.puck_data ?? {}) as Record<string, unknown>} siteData={siteData} />
+    <div
+      style={
+        {
+          '--primary': settings.primary_color,
+          fontFamily: settings.font_family,
+        } as React.CSSProperties
+      }
+    >
+      <SiteRenderer
+        data={(sitePageData.puck_data ?? {}) as Record<string, unknown>}
+        siteData={siteData}
+      />
     </div>
   );
 }

apps/web/app/[locale]/club/[slug]/newsletter/subscribe/page.tsx

@@ -1,23 +1,28 @@
+import { Mail } from 'lucide-react';
+
+import { Button } from '@kit/ui/button';
 import { Card, CardContent, CardHeader, CardTitle } from '@kit/ui/card';
 import { Input } from '@kit/ui/input';
 import { Label } from '@kit/ui/label';
-import { Button } from '@kit/ui/button';
-import { Mail } from 'lucide-react';
 
-interface Props { params: Promise<{ slug: string }> }
+interface Props {
+  params: Promise<{ slug: string }>;
+}
 
 export default async function NewsletterSubscribePage({ params }: Props) {
   const { slug } = await params;
 
   return (
-    <div className="min-h-screen bg-muted/30 flex items-center justify-center p-6">
+    <div className="bg-muted/30 flex min-h-screen items-center justify-center p-6">
       <Card className="w-full max-w-md">
         <CardHeader className="text-center">
-          <div className="mx-auto mb-4 flex h-12 w-12 items-center justify-center rounded-full bg-primary/10">
-            <Mail className="h-6 w-6 text-primary" />
+          <div className="bg-primary/10 mx-auto mb-4 flex h-12 w-12 items-center justify-center rounded-full">
+            <Mail className="text-primary h-6 w-6" />
           </div>
           <CardTitle>Newsletter abonnieren</CardTitle>
-          <p className="text-sm text-muted-foreground">Bleiben Sie über Neuigkeiten informiert.</p>
+          <p className="text-muted-foreground text-sm">
+            Bleiben Sie über Neuigkeiten informiert.
+          </p>
         </CardHeader>
         <CardContent>
           <form className="space-y-4">
@@ -27,11 +32,19 @@ export default async function NewsletterSubscribePage({ params }: Props) {
             </div>
             <div className="space-y-2">
               <Label>E-Mail-Adresse *</Label>
-              <Input name="email" type="email" placeholder="ihre@email.de" required />
+              <Input
+                name="email"
+                type="email"
+                placeholder="ihre@email.de"
+                required
+              />
             </div>
-            <Button type="submit" className="w-full">Abonnieren</Button>
-            <p className="text-xs text-center text-muted-foreground">
-              Sie können sich jederzeit abmelden. Wir senden Ihnen eine Bestätigungs-E-Mail.
+            <Button type="submit" className="w-full">
+              Abonnieren
+            </Button>
+            <p className="text-muted-foreground text-center text-xs">
+              Sie können sich jederzeit abmelden. Wir senden Ihnen eine
+              Bestätigungs-E-Mail.
             </p>
           </form>
         </CardContent>

apps/web/app/[locale]/club/[slug]/newsletter/unsubscribe/page.tsx

@@ -1,34 +1,51 @@
-import { Card, CardContent, CardHeader, CardTitle } from '@kit/ui/card';
-import { Button } from '@kit/ui/button';
-import { MailX } from 'lucide-react';
 import Link from 'next/link';
 
-interface Props { params: Promise<{ slug: string }>; searchParams: Promise<{ token?: string }> }
+import { MailX } from 'lucide-react';
 
-export default async function NewsletterUnsubscribePage({ params, searchParams }: Props) {
+import { Button } from '@kit/ui/button';
+import { Card, CardContent, CardHeader, CardTitle } from '@kit/ui/card';
+
+interface Props {
+  params: Promise<{ slug: string }>;
+  searchParams: Promise<{ token?: string }>;
+}
+
+export default async function NewsletterUnsubscribePage({
+  params,
+  searchParams,
+}: Props) {
   const { slug } = await params;
   const { token } = await searchParams;
 
   return (
-    <div className="min-h-screen bg-muted/30 flex items-center justify-center p-6">
+    <div className="bg-muted/30 flex min-h-screen items-center justify-center p-6">
       <Card className="w-full max-w-md text-center">
         <CardHeader>
-          <div className="mx-auto mb-4 flex h-12 w-12 items-center justify-center rounded-full bg-destructive/10">
-            <MailX className="h-6 w-6 text-destructive" />
+          <div className="bg-destructive/10 mx-auto mb-4 flex h-12 w-12 items-center justify-center rounded-full">
+            <MailX className="text-destructive h-6 w-6" />
           </div>
           <CardTitle>Newsletter abbestellen</CardTitle>
         </CardHeader>
         <CardContent className="space-y-4">
           {token ? (
             <>
-              <p className="text-sm text-muted-foreground">Möchten Sie den Newsletter wirklich abbestellen?</p>
-              <Button variant="destructive" className="w-full">Abbestellen bestätigen</Button>
+              <p className="text-muted-foreground text-sm">
+                Möchten Sie den Newsletter wirklich abbestellen?
+              </p>
+              <Button variant="destructive" className="w-full">
+                Abbestellen bestätigen
+              </Button>
             </>
           ) : (
-            <p className="text-sm text-muted-foreground">Kein gültiger Abmeldelink. Bitte verwenden Sie den Link aus der Newsletter-E-Mail.</p>
+            <p className="text-muted-foreground text-sm">
+              Kein gültiger Abmeldelink. Bitte verwenden Sie den Link aus der
+              Newsletter-E-Mail.
+            </p>
           )}
           <Link href={`/club/${slug}`}>
-            <Button variant="outline" size="sm">← Zurück zur Website</Button>
+            <Button variant="outline" size="sm">
+              ← Zurück zur Website
+            </Button>
           </Link>
         </CardContent>
       </Card>

apps/web/app/[locale]/club/[slug]/page.tsx

@@ -1,9 +1,13 @@
-import { createClient } from '@supabase/supabase-js';
 import { notFound } from 'next/navigation';
+
+import { createClient } from '@supabase/supabase-js';
+
 import { SiteRenderer } from '@kit/site-builder/components';
 import type { SiteData } from '@kit/site-builder/context';
 
-interface Props { params: Promise<{ slug: string }> }
+interface Props {
+  params: Promise<{ slug: string }>;
+}
 
 export default async function ClubHomePage({ params }: Props) {
   const { slug } = await params;
@@ -13,36 +17,74 @@ export default async function ClubHomePage({ params }: Props) {
     process.env.NEXT_PUBLIC_SUPABASE_PUBLIC_KEY!,
   );
 
-  const { data: account } = await supabase.from('accounts').select('id, name').eq('slug', slug).single();
+  const { data: account } = await supabase
+    .from('accounts')
+    .select('id, name')
+    .eq('slug', slug)
+    .single();
   if (!account) notFound();
 
-  const { data: settings } = await supabase.from('site_settings').select('*').eq('account_id', account.id).eq('is_public', true).maybeSingle();
+  const { data: settings } = await supabase
+    .from('site_settings')
+    .select('*')
+    .eq('account_id', account.id)
+    .eq('is_public', true)
+    .maybeSingle();
   if (!settings) notFound();
 
-  const { data: page } = await supabase.from('site_pages').select('*')
-    .eq('account_id', account.id).eq('is_homepage', true).eq('is_published', true).maybeSingle();
+  const { data: page } = await supabase
+    .from('site_pages')
+    .select('*')
+    .eq('account_id', account.id)
+    .eq('is_homepage', true)
+    .eq('is_published', true)
+    .maybeSingle();
   if (!page) notFound();
 
   // Pre-fetch CMS data for Puck components
   const [eventsRes, coursesRes, postsRes] = await Promise.all([
-    supabase.from('events').select('id, name, event_date, event_time, location, fee, status')
-      .eq('account_id', account.id).order('event_date', { ascending: true }).limit(20),
-    supabase.from('courses').select('id, name, start_date, end_date, fee, capacity, status')
-      .eq('account_id', account.id).order('start_date', { ascending: true }).limit(20),
-    supabase.from('cms_posts').select('id, title, excerpt, cover_image, published_at, slug')
-      .eq('account_id', account.id).eq('status', 'published').order('published_at', { ascending: false }).limit(20),
+    supabase
+      .from('events')
+      .select('id, name, event_date, event_time, location, fee, status')
+      .eq('account_id', account.id)
+      .order('event_date', { ascending: true })
+      .limit(20),
+    supabase
+      .from('courses')
+      .select('id, name, start_date, end_date, fee, capacity, status')
+      .eq('account_id', account.id)
+      .order('start_date', { ascending: true })
+      .limit(20),
+    supabase
+      .from('cms_posts')
+      .select('id, title, excerpt, cover_image, published_at, slug')
+      .eq('account_id', account.id)
+      .eq('status', 'published')
+      .order('published_at', { ascending: false })
+      .limit(20),
   ]);
 
   const siteData: SiteData = {
     accountId: account.id,
     events: eventsRes.data ?? [],
-    courses: (coursesRes.data ?? []).map(c => ({ ...c, enrolled_count: 0 })),
+    courses: (coursesRes.data ?? []).map((c) => ({ ...c, enrolled_count: 0 })),
     posts: postsRes.data ?? [],
   };
 
   return (
-    <div style={{ '--primary': settings.primary_color, '--secondary': settings.secondary_color, fontFamily: settings.font_family } as React.CSSProperties}>
-      <SiteRenderer data={(page.puck_data ?? {}) as Record<string, unknown>} siteData={siteData} />
+    <div
+      style={
+        {
+          '--primary': settings.primary_color,
+          '--secondary': settings.secondary_color,
+          fontFamily: settings.font_family,
+        } as React.CSSProperties
+      }
+    >
+      <SiteRenderer
+        data={(page.puck_data ?? {}) as Record<string, unknown>}
+        siteData={siteData}
+      />
     </div>
   );
 }

apps/web/app/[locale]/club/[slug]/portal/documents/page.tsx

@@ -1,10 +1,14 @@
-import { createClient } from '@supabase/supabase-js';
-import { Card, CardContent, CardHeader, CardTitle } from '@kit/ui/card';
-import { Button } from '@kit/ui/button';
-import { Badge } from '@kit/ui/badge';
-import { FileText, Download, Shield, Receipt, FileCheck } from 'lucide-react';
 import Link from 'next/link';
 
+import { createClient } from '@supabase/supabase-js';
+
+import { FileText, Download, Shield, Receipt, FileCheck } from 'lucide-react';
+
+import { formatDate } from '@kit/shared/dates';
+import { Badge } from '@kit/ui/badge';
+import { Button } from '@kit/ui/button';
+import { Card, CardContent, CardHeader, CardTitle } from '@kit/ui/card';
+
 interface Props {
   params: Promise<{ slug: string }>;
 }
@@ -14,77 +18,117 @@ export default async function PortalDocumentsPage({ params }: Props) {
 
   const supabase = createClient(
     process.env.NEXT_PUBLIC_SUPABASE_URL!,
-    process.env.SUPABASE_SERVICE_ROLE_KEY || process.env.NEXT_PUBLIC_SUPABASE_PUBLIC_KEY!,
+    process.env.SUPABASE_SERVICE_ROLE_KEY ||
+      process.env.NEXT_PUBLIC_SUPABASE_PUBLIC_KEY!,
   );
 
-  const { data: account } = await supabase.from('accounts').select('id, name').eq('slug', slug).single();
-  if (!account) return <div className="p-8 text-center">Organisation nicht gefunden</div>;
+  const { data: account } = await supabase
+    .from('accounts')
+    .select('id, name')
+    .eq('slug', slug)
+    .single();
+  if (!account)
+    return <div className="p-8 text-center">Organisation nicht gefunden</div>;
 
   // Demo documents (in production: query invoices + cms_files for this member)
   const documents = [
-    { id: '1', title: 'Mitgliedsbeitrag 2026', type: 'Rechnung', date: '2026-01-15', status: 'paid' },
-    { id: '2', title: 'Mitgliedsbeitrag 2025', type: 'Rechnung', date: '2025-01-10', status: 'paid' },
-    { id: '3', title: 'Beitrittserklärung', type: 'Dokument', date: '2020-01-15', status: 'signed' },
+    {
+      id: '1',
+      title: 'Mitgliedsbeitrag 2026',
+      type: 'Rechnung',
+      date: '2026-01-15',
+      status: 'paid',
+    },
+    {
+      id: '2',
+      title: 'Mitgliedsbeitrag 2025',
+      type: 'Rechnung',
+      date: '2025-01-10',
+      status: 'paid',
+    },
+    {
+      id: '3',
+      title: 'Beitrittserklärung',
+      type: 'Dokument',
+      date: '2020-01-15',
+      status: 'signed',
+    },
   ];
 
   const getStatusBadge = (status: string) => {
     switch (status) {
-      case 'paid': return <Badge variant="default">Bezahlt</Badge>;
-      case 'open': return <Badge variant="secondary">Offen</Badge>;
-      case 'signed': return <Badge variant="outline">Unterschrieben</Badge>;
-      default: return <Badge variant="secondary">{status}</Badge>;
+      case 'paid':
+        return <Badge variant="default">Bezahlt</Badge>;
+      case 'open':
+        return <Badge variant="secondary">Offen</Badge>;
+      case 'signed':
+        return <Badge variant="outline">Unterschrieben</Badge>;
+      default:
+        return <Badge variant="secondary">{status}</Badge>;
     }
   };
 
   const getIcon = (type: string) => {
     switch (type) {
-      case 'Rechnung': return <Receipt className="h-5 w-5 text-primary" />;
-      case 'Dokument': return <FileCheck className="h-5 w-5 text-primary" />;
-      default: return <FileText className="h-5 w-5 text-primary" />;
+      case 'Rechnung':
+        return <Receipt className="text-primary h-5 w-5" />;
+      case 'Dokument':
+        return <FileCheck className="text-primary h-5 w-5" />;
+      default:
+        return <FileText className="text-primary h-5 w-5" />;
     }
   };
 
   return (
-    <div className="min-h-screen bg-muted/30">
-      <header className="border-b bg-background px-6 py-4">
-        <div className="flex items-center justify-between max-w-4xl mx-auto">
+    <div className="bg-muted/30 min-h-screen">
+      <header className="bg-background border-b px-6 py-4">
+        <div className="mx-auto flex max-w-4xl items-center justify-between">
           <div className="flex items-center gap-3">
-            <Shield className="h-5 w-5 text-primary" />
+            <Shield className="text-primary h-5 w-5" />
             <h1 className="text-lg font-bold">Meine Dokumente</h1>
           </div>
           <Link href={`/club/${slug}/portal`}>
-            <Button variant="ghost" size="sm">← Zurück zum Portal</Button>
+            <Button variant="ghost" size="sm">
+              ← Zurück zum Portal
+            </Button>
           </Link>
         </div>
       </header>
 
-      <main className="max-w-3xl mx-auto py-8 px-6">
+      <main className="mx-auto max-w-3xl px-6 py-8">
         <Card>
           <CardHeader>
             <CardTitle>Verfügbare Dokumente</CardTitle>
-            <p className="text-sm text-muted-foreground">{String(account.name)} — Dokumente und Rechnungen</p>
+            <p className="text-muted-foreground text-sm">
+              {String(account.name)} — Dokumente und Rechnungen
+            </p>
           </CardHeader>
           <CardContent>
             {documents.length === 0 ? (
-              <div className="text-center py-8 text-muted-foreground">
-                <FileText className="mx-auto h-10 w-10 mb-3" />
+              <div className="text-muted-foreground py-8 text-center">
+                <FileText className="mx-auto mb-3 h-10 w-10" />
                 <p>Keine Dokumente vorhanden</p>
               </div>
             ) : (
               <div className="space-y-3">
                 {documents.map((doc) => (
-                  <div key={doc.id} className="flex items-center justify-between rounded-lg border p-4 hover:bg-muted/30 transition-colors">
+                  <div
+                    key={doc.id}
+                    className="hover:bg-muted/30 flex items-center justify-between rounded-lg border p-4 transition-colors"
+                  >
                     <div className="flex items-center gap-3">
                       {getIcon(doc.type)}
                       <div>
-                        <p className="font-medium text-sm">{doc.title}</p>
-                        <p className="text-xs text-muted-foreground">{doc.type} — {new Date(doc.date).toLocaleDateString('de-DE')}</p>
+                        <p className="text-sm font-medium">{doc.title}</p>
+                        <p className="text-muted-foreground text-xs">
+                          {doc.type} — {formatDate(doc.date)}
+                        </p>
                       </div>
                     </div>
                     <div className="flex items-center gap-3">
                       {getStatusBadge(doc.status)}
                       <Button size="sm" variant="outline">
-                        <Download className="h-3 w-3 mr-1" />
+                        <Download className="mr-1 h-3 w-3" />
                         PDF
                       </Button>
                     </div>

apps/web/app/[locale]/club/[slug]/portal/invite/page.tsx

@@ -1,18 +1,25 @@
-import { createClient } from '@supabase/supabase-js';
+import Link from 'next/link';
 import { notFound } from 'next/navigation';
-import { Card, CardContent, CardHeader, CardTitle } from '@kit/ui/card';
+
+import { createClient } from '@supabase/supabase-js';
+
+import { UserPlus, Shield, CheckCircle } from 'lucide-react';
+
+import { formatDate } from '@kit/shared/dates';
 import { Button } from '@kit/ui/button';
+import { Card, CardContent, CardHeader, CardTitle } from '@kit/ui/card';
 import { Input } from '@kit/ui/input';
 import { Label } from '@kit/ui/label';
-import { UserPlus, Shield, CheckCircle } from 'lucide-react';
-import Link from 'next/link';
 
 interface Props {
   params: Promise<{ slug: string }>;
   searchParams: Promise<{ token?: string }>;
 }
 
-export default async function PortalInvitePage({ params, searchParams }: Props) {
+export default async function PortalInvitePage({
+  params,
+  searchParams,
+}: Props) {
   const { slug } = await params;
   const { token } = await searchParams;
 
@@ -24,28 +31,35 @@ export default async function PortalInvitePage({ params, searchParams }: Props)
   );
 
   // Resolve account
-  const { data: account } = await supabase.from('accounts').select('id, name').eq('slug', slug).single();
+  const { data: account } = await supabase
+    .from('accounts')
+    .select('id, name')
+    .eq('slug', slug)
+    .single();
   if (!account) notFound();
 
   // Look up invitation
-  const { data: invitation } = await supabase.from('member_portal_invitations')
+  const { data: invitation } = await supabase
+    .from('member_portal_invitations')
     .select('id, email, status, expires_at, member_id')
     .eq('invite_token', token)
     .maybeSingle();
 
   if (!invitation || invitation.status !== 'pending') {
     return (
-      <div className="min-h-screen bg-muted/30 flex items-center justify-center p-6">
+      <div className="bg-muted/30 flex min-h-screen items-center justify-center p-6">
         <Card className="max-w-md text-center">
           <CardContent className="p-8">
-            <Shield className="mx-auto h-10 w-10 text-destructive mb-4" />
+            <Shield className="text-destructive mx-auto mb-4 h-10 w-10" />
             <h2 className="text-lg font-bold">Einladung ungültig</h2>
-            <p className="text-sm text-muted-foreground mt-2">
-              Diese Einladung ist abgelaufen, wurde bereits verwendet oder ist ungültig.
-              Bitte wenden Sie sich an Ihren Vereinsadministrator.
+            <p className="text-muted-foreground mt-2 text-sm">
+              Diese Einladung ist abgelaufen, wurde bereits verwendet oder ist
+              ungültig. Bitte wenden Sie sich an Ihren Vereinsadministrator.
             </p>
             <Link href={`/club/${slug}`}>
-              <Button variant="outline" className="mt-4">← Zur Website</Button>
+              <Button variant="outline" className="mt-4">
+                ← Zur Website
+              </Button>
             </Link>
           </CardContent>
         </Card>
@@ -56,14 +70,14 @@ export default async function PortalInvitePage({ params, searchParams }: Props)
   const expired = new Date(invitation.expires_at) < new Date();
   if (expired) {
     return (
-      <div className="min-h-screen bg-muted/30 flex items-center justify-center p-6">
+      <div className="bg-muted/30 flex min-h-screen items-center justify-center p-6">
         <Card className="max-w-md text-center">
           <CardContent className="p-8">
-            <Shield className="mx-auto h-10 w-10 text-amber-500 mb-4" />
+            <Shield className="mx-auto mb-4 h-10 w-10 text-amber-500" />
             <h2 className="text-lg font-bold">Einladung abgelaufen</h2>
-            <p className="text-sm text-muted-foreground mt-2">
-              Diese Einladung ist am {new Date(invitation.expires_at).toLocaleDateString('de-DE')} abgelaufen.
-              Bitte fordern Sie eine neue Einladung an.
+            <p className="text-muted-foreground mt-2 text-sm">
+              Diese Einladung ist am {formatDate(invitation.expires_at)}{' '}
+              abgelaufen. Bitte fordern Sie eine neue Einladung an.
             </p>
           </CardContent>
         </Card>
@@ -72,41 +86,67 @@ export default async function PortalInvitePage({ params, searchParams }: Props)
   }
 
   return (
-    <div className="min-h-screen bg-muted/30 flex items-center justify-center p-6">
+    <div className="bg-muted/30 flex min-h-screen items-center justify-center p-6">
       <Card className="w-full max-w-md">
         <CardHeader className="text-center">
-          <div className="mx-auto mb-4 flex h-12 w-12 items-center justify-center rounded-full bg-primary/10">
-            <UserPlus className="h-6 w-6 text-primary" />
+          <div className="bg-primary/10 mx-auto mb-4 flex h-12 w-12 items-center justify-center rounded-full">
+            <UserPlus className="text-primary h-6 w-6" />
           </div>
           <CardTitle>Einladung zum Mitgliederbereich</CardTitle>
-          <p className="text-sm text-muted-foreground">{String(account.name)}</p>
+          <p className="text-muted-foreground text-sm">
+            {String(account.name)}
+          </p>
         </CardHeader>
         <CardContent>
-          <div className="rounded-md bg-primary/5 border border-primary/20 p-4 mb-6">
+          <div className="bg-primary/5 border-primary/20 mb-6 rounded-md border p-4">
             <p className="text-sm">
-              Sie wurden eingeladen, ein Konto für den Mitgliederbereich zu erstellen.
-              Damit können Sie Ihr Profil einsehen, Dokumente herunterladen und Ihre Datenschutz-Einstellungen verwalten.
+              Sie wurden eingeladen, ein Konto für den Mitgliederbereich zu
+              erstellen. Damit können Sie Ihr Profil einsehen, Dokumente
+              herunterladen und Ihre Datenschutz-Einstellungen verwalten.
             </p>
           </div>
 
-          <form className="space-y-4" action={`/api/club/accept-invite`} method="POST">
+          <form
+            className="space-y-4"
+            action={`/api/club/accept-invite`}
+            method="POST"
+          >
             <input type="hidden" name="token" value={token} />
             <input type="hidden" name="slug" value={slug} />
 
             <div className="space-y-2">
               <Label>E-Mail-Adresse</Label>
-              <Input type="email" value={invitation.email} readOnly className="bg-muted" />
-              <p className="text-xs text-muted-foreground">Ihre E-Mail-Adresse wurde vom Verein vorgegeben.</p>
+              <Input
+                type="email"
+                value={invitation.email}
+                readOnly
+                className="bg-muted"
+              />
+              <p className="text-muted-foreground text-xs">
+                Ihre E-Mail-Adresse wurde vom Verein vorgegeben.
+              </p>
             </div>
 
             <div className="space-y-2">
               <Label>Passwort festlegen *</Label>
-              <Input type="password" name="password" placeholder="Mindestens 8 Zeichen" required minLength={8} />
+              <Input
+                type="password"
+                name="password"
+                placeholder="Mindestens 8 Zeichen"
+                required
+                minLength={8}
+              />
             </div>
 
             <div className="space-y-2">
               <Label>Passwort wiederholen *</Label>
-              <Input type="password" name="passwordConfirm" placeholder="Passwort bestätigen" required minLength={8} />
+              <Input
+                type="password"
+                name="passwordConfirm"
+                placeholder="Passwort bestätigen"
+                required
+                minLength={8}
+              />
             </div>
 
             <Button type="submit" className="w-full">
@@ -115,8 +155,14 @@ export default async function PortalInvitePage({ params, searchParams }: Props)
             </Button>
           </form>
 
-          <p className="mt-4 text-xs text-center text-muted-foreground">
-            Bereits ein Konto? <Link href={`/club/${slug}/portal`} className="text-primary underline">Anmelden</Link>
+          <p className="text-muted-foreground mt-4 text-center text-xs">
+            Bereits ein Konto?{' '}
+            <Link
+              href={`/club/${slug}/portal`}
+              className="text-primary underline"
+            >
+              Anmelden
+            </Link>
           </p>
         </CardContent>
       </Card>

apps/web/app/[locale]/club/[slug]/portal/page.tsx

@@ -1,10 +1,12 @@
-import { createClient } from '@supabase/supabase-js';
-import { Card, CardContent, CardHeader, CardTitle } from '@kit/ui/card';
-import { Button } from '@kit/ui/button';
-import { UserCircle, FileText, CreditCard, Shield } from 'lucide-react';
 import Link from 'next/link';
 
+import { createClient } from '@supabase/supabase-js';
+
+import { UserCircle, FileText, CreditCard, Shield } from 'lucide-react';
+
 import { PortalLoginForm } from '@kit/site-builder/components';
+import { Button } from '@kit/ui/button';
+import { Card, CardContent, CardHeader, CardTitle } from '@kit/ui/card';
 
 interface Props {
   params: Promise<{ slug: string }>;
@@ -18,15 +20,23 @@ export default async function MemberPortalPage({ params }: Props) {
     process.env.NEXT_PUBLIC_SUPABASE_PUBLIC_KEY!,
   );
 
-  const { data: account } = await supabase.from('accounts').select('id, name').eq('slug', slug).single();
-  if (!account) return <div className="p-8 text-center">Organisation nicht gefunden</div>;
+  const { data: account } = await supabase
+    .from('accounts')
+    .select('id, name')
+    .eq('slug', slug)
+    .single();
+  if (!account)
+    return <div className="p-8 text-center">Organisation nicht gefunden</div>;
 
   // Check if user is already logged in
-  const { data: { user } } = await supabase.auth.getUser();
+  const {
+    data: { user },
+  } = await supabase.auth.getUser();
 
   if (user) {
     // Check if this user is a member of this club
-    const { data: member } = await supabase.from('members')
+    const { data: member } = await supabase
+      .from('members')
       .select('id, first_name, last_name, status')
       .eq('account_id', account.id)
       .eq('user_id', user.id)
@@ -35,45 +45,61 @@ export default async function MemberPortalPage({ params }: Props) {
     if (member) {
       // Logged in member — show portal dashboard
       return (
-        <div className="min-h-screen bg-muted/30">
-          <header className="border-b bg-background px-6 py-4">
-            <div className="flex items-center justify-between max-w-4xl mx-auto">
+        <div className="bg-muted/30 min-h-screen">
+          <header className="bg-background border-b px-6 py-4">
+            <div className="mx-auto flex max-w-4xl items-center justify-between">
               <div className="flex items-center gap-3">
-                <Shield className="h-5 w-5 text-primary" />
-                <h1 className="text-lg font-bold">Mitgliederbereich — {String(account.name)}</h1>
+                <Shield className="text-primary h-5 w-5" />
+                <h1 className="text-lg font-bold">
+                  Mitgliederbereich — {String(account.name)}
+                </h1>
               </div>
               <div className="flex items-center gap-3">
-                <span className="text-sm text-muted-foreground">{String(member.first_name)} {String(member.last_name)}</span>
-                <Link href={`/club/${slug}`}><Button variant="ghost" size="sm">← Website</Button></Link>
+                <span className="text-muted-foreground text-sm">
+                  {String(member.first_name)} {String(member.last_name)}
+                </span>
+                <Link href={`/club/${slug}`}>
+                  <Button variant="ghost" size="sm">
+                    ← Website
+                  </Button>
+                </Link>
               </div>
             </div>
           </header>
-          <main className="max-w-4xl mx-auto py-12 px-6">
-            <h2 className="text-2xl font-bold mb-6">Willkommen, {String(member.first_name)}!</h2>
+          <main className="mx-auto max-w-4xl px-6 py-12">
+            <h2 className="mb-6 text-2xl font-bold">
+              Willkommen, {String(member.first_name)}!
+            </h2>
             <div className="grid grid-cols-1 gap-4 sm:grid-cols-3">
               <Link href={`/club/${slug}/portal/profile`}>
-                <Card className="hover:border-primary transition-colors cursor-pointer">
+                <Card className="hover:border-primary cursor-pointer transition-colors">
                   <CardContent className="p-6 text-center">
-                    <UserCircle className="mx-auto h-10 w-10 text-primary mb-3" />
+                    <UserCircle className="text-primary mx-auto mb-3 h-10 w-10" />
                     <h3 className="font-semibold">Mein Profil</h3>
-                    <p className="text-xs text-muted-foreground mt-1">Kontaktdaten und Datenschutz</p>
+                    <p className="text-muted-foreground mt-1 text-xs">
+                      Kontaktdaten und Datenschutz
+                    </p>
                   </CardContent>
                 </Card>
               </Link>
               <Link href={`/club/${slug}/portal/documents`}>
-                <Card className="hover:border-primary transition-colors cursor-pointer">
+                <Card className="hover:border-primary cursor-pointer transition-colors">
                   <CardContent className="p-6 text-center">
-                    <FileText className="mx-auto h-10 w-10 text-primary mb-3" />
+                    <FileText className="text-primary mx-auto mb-3 h-10 w-10" />
                     <h3 className="font-semibold">Dokumente</h3>
-                    <p className="text-xs text-muted-foreground mt-1">Rechnungen und Bescheinigungen</p>
+                    <p className="text-muted-foreground mt-1 text-xs">
+                      Rechnungen und Bescheinigungen
+                    </p>
                   </CardContent>
                 </Card>
               </Link>
               <Card>
                 <CardContent className="p-6 text-center">
-                  <CreditCard className="mx-auto h-10 w-10 text-primary mb-3" />
+                  <CreditCard className="text-primary mx-auto mb-3 h-10 w-10" />
                   <h3 className="font-semibold">Mitgliedsausweis</h3>
-                  <p className="text-xs text-muted-foreground mt-1">Digital anzeigen</p>
+                  <p className="text-muted-foreground mt-1 text-xs">
+                    Digital anzeigen
+                  </p>
                 </CardContent>
               </Card>
             </div>
@@ -85,14 +111,18 @@ export default async function MemberPortalPage({ params }: Props) {
 
   // Not logged in or not a member — show login form
   return (
-    <div className="min-h-screen bg-muted/30">
-      <header className="border-b bg-background px-6 py-4">
-        <div className="flex items-center justify-between max-w-4xl mx-auto">
+    <div className="bg-muted/30 min-h-screen">
+      <header className="bg-background border-b px-6 py-4">
+        <div className="mx-auto flex max-w-4xl items-center justify-between">
           <h1 className="text-lg font-bold">Mitgliederbereich</h1>
-          <Link href={`/club/${slug}`}><Button variant="ghost" size="sm">← Zurück zur Website</Button></Link>
+          <Link href={`/club/${slug}`}>
+            <Button variant="ghost" size="sm">
+              ← Zurück zur Website
+            </Button>
+          </Link>
         </div>
       </header>
-      <main className="max-w-4xl mx-auto py-12 px-6">
+      <main className="mx-auto max-w-4xl px-6 py-12">
         <PortalLoginForm slug={slug} accountName={String(account.name)} />
       </main>
     </div>

apps/web/app/[locale]/club/[slug]/portal/profile/_components/portal-linked-accounts.tsx

@@ -0,0 +1,244 @@
+'use client';
+
+import { useCallback, useEffect, useState } from 'react';
+
+import type { Provider, UserIdentity } from '@supabase/supabase-js';
+import { createClient } from '@supabase/supabase-js';
+
+import { Link2, Link2Off, Loader2 } from 'lucide-react';
+
+import {
+  AlertDialog,
+  AlertDialogAction,
+  AlertDialogCancel,
+  AlertDialogContent,
+  AlertDialogDescription,
+  AlertDialogFooter,
+  AlertDialogHeader,
+  AlertDialogTitle,
+  AlertDialogTrigger,
+} from '@kit/ui/alert-dialog';
+import { Button } from '@kit/ui/button';
+import { OauthProviderLogoImage } from '@kit/ui/oauth-provider-logo-image';
+import { toast } from '@kit/ui/sonner';
+
+const PROVIDERS: Provider[] = ['google', 'apple', 'azure', 'github'];
+
+const PROVIDER_LABELS: Record<string, string> = {
+  google: 'Google',
+  apple: 'Apple',
+  azure: 'Microsoft',
+  github: 'GitHub',
+};
+
+function getSupabaseClient() {
+  return createClient(
+    process.env.NEXT_PUBLIC_SUPABASE_URL!,
+    process.env.NEXT_PUBLIC_SUPABASE_PUBLIC_KEY!,
+  );
+}
+
+export function PortalLinkedAccounts({ slug }: { slug: string }) {
+  const [identities, setIdentities] = useState<UserIdentity[]>([]);
+  const [loading, setLoading] = useState(true);
+  const [actionLoading, setActionLoading] = useState<string | null>(null);
+
+  const loadIdentities = useCallback(async () => {
+    const supabase = getSupabaseClient();
+    const {
+      data: { user },
+    } = await supabase.auth.getUser();
+
+    if (user?.identities) {
+      setIdentities(user.identities);
+    }
+
+    setLoading(false);
+  }, []);
+
+  useEffect(() => {
+    void loadIdentities();
+  }, [loadIdentities]);
+
+  const handleLink = async (provider: Provider) => {
+    setActionLoading(provider);
+
+    try {
+      const supabase = getSupabaseClient();
+      const redirectTo = `${window.location.origin}/club/${slug}/portal/profile`;
+
+      const { error } = await supabase.auth.linkIdentity({
+        provider,
+        options: { redirectTo },
+      });
+
+      if (error) {
+        toast.error(`Verknüpfung fehlgeschlagen: ${error.message}`);
+        setActionLoading(null);
+      }
+    } catch {
+      toast.error('Verbindungsfehler. Bitte versuchen Sie es erneut.');
+      setActionLoading(null);
+    }
+  };
+
+  const handleUnlink = async (identity: UserIdentity) => {
+    if (identities.length <= 1) {
+      toast.error('Sie benötigen mindestens eine Anmeldemethode.');
+      return;
+    }
+
+    setActionLoading(identity.id);
+
+    try {
+      const supabase = getSupabaseClient();
+      const { error } = await supabase.auth.unlinkIdentity(identity);
+
+      if (error) {
+        toast.error(`Trennung fehlgeschlagen: ${error.message}`);
+      } else {
+        toast.success(
+          `${PROVIDER_LABELS[identity.provider] ?? identity.provider} wurde getrennt.`,
+        );
+        await loadIdentities();
+      }
+    } catch {
+      toast.error('Verbindungsfehler. Bitte versuchen Sie es erneut.');
+    } finally {
+      setActionLoading(null);
+    }
+  };
+
+  if (loading) {
+    return (
+      <div className="flex items-center justify-center py-4">
+        <Loader2 className="text-muted-foreground h-5 w-5 animate-spin" />
+      </div>
+    );
+  }
+
+  const connectedProviders = identities
+    .filter((i) => i.provider !== 'email')
+    .map((i) => i.provider);
+
+  const availableProviders = PROVIDERS.filter(
+    (p) => !connectedProviders.includes(p),
+  );
+
+  return (
+    <div className="space-y-4">
+      {/* Connected accounts */}
+      {identities.filter((i) => i.provider !== 'email').length > 0 && (
+        <div className="space-y-2">
+          <p className="text-muted-foreground text-xs font-medium">
+            Verknüpfte Konten
+          </p>
+
+          {identities
+            .filter((i) => i.provider !== 'email')
+            .map((identity) => (
+              <div
+                key={identity.id}
+                className="bg-muted/50 flex items-center justify-between rounded-lg border p-3"
+              >
+                <div className="flex items-center gap-3">
+                  <div className="flex h-8 w-8 items-center justify-center">
+                    <OauthProviderLogoImage providerId={identity.provider} />
+                  </div>
+                  <div>
+                    <p className="text-sm font-medium capitalize">
+                      {PROVIDER_LABELS[identity.provider] ?? identity.provider}
+                    </p>
+                    {identity.identity_data?.email && (
+                      <p className="text-muted-foreground text-xs">
+                        {identity.identity_data.email as string}
+                      </p>
+                    )}
+                  </div>
+                </div>
+
+                {identities.length > 1 && (
+                  <AlertDialog>
+                    <AlertDialogTrigger
+                      render={
+                        <Button
+                          variant="ghost"
+                          size="sm"
+                          disabled={actionLoading === identity.id}
+                        >
+                          {actionLoading === identity.id ? (
+                            <Loader2 className="h-4 w-4 animate-spin" />
+                          ) : (
+                            <Link2Off className="h-4 w-4" />
+                          )}
+                        </Button>
+                      }
+                    />
+
+                    <AlertDialogContent>
+                      <AlertDialogHeader>
+                        <AlertDialogTitle>Konto trennen?</AlertDialogTitle>
+                        <AlertDialogDescription>
+                          Möchten Sie die Verknüpfung mit{' '}
+                          {PROVIDER_LABELS[identity.provider] ??
+                            identity.provider}{' '}
+                          wirklich aufheben? Sie können sich dann nicht mehr
+                          darüber anmelden.
+                        </AlertDialogDescription>
+                      </AlertDialogHeader>
+                      <AlertDialogFooter>
+                        <AlertDialogCancel>Abbrechen</AlertDialogCancel>
+                        <AlertDialogAction
+                          onClick={() => handleUnlink(identity)}
+                          className="bg-destructive text-destructive-foreground hover:bg-destructive/90"
+                        >
+                          Trennen
+                        </AlertDialogAction>
+                      </AlertDialogFooter>
+                    </AlertDialogContent>
+                  </AlertDialog>
+                )}
+              </div>
+            ))}
+        </div>
+      )}
+
+      {/* Available providers to link */}
+      {availableProviders.length > 0 && (
+        <div className="space-y-2">
+          <p className="text-muted-foreground text-xs font-medium">
+            Konto verknüpfen für schnellere Anmeldung
+          </p>
+
+          <div className="flex flex-wrap gap-2">
+            {availableProviders.map((provider) => (
+              <Button
+                key={provider}
+                variant="outline"
+                size="sm"
+                className="gap-2"
+                disabled={actionLoading === provider}
+                onClick={() => handleLink(provider)}
+              >
+                {actionLoading === provider ? (
+                  <Loader2 className="h-4 w-4 animate-spin" />
+                ) : (
+                  <OauthProviderLogoImage providerId={provider} />
+                )}
+                {PROVIDER_LABELS[provider] ?? provider}
+              </Button>
+            ))}
+          </div>
+        </div>
+      )}
+
+      {/* Info text when email-only */}
+      {identities.length <= 1 && availableProviders.length > 0 && (
+        <p className="text-muted-foreground text-xs">
+          Verknüpfen Sie ein Konto, um sich zukünftig schneller und ohne
+          Passwort anmelden zu können.
+        </p>
+      )}
+    </div>
+  );
+}

apps/web/app/[locale]/club/[slug]/portal/profile/page.tsx

@@ -1,11 +1,25 @@
-import { createClient } from '@supabase/supabase-js';
+import Link from 'next/link';
 import { redirect } from 'next/navigation';
-import { Card, CardContent, CardHeader, CardTitle } from '@kit/ui/card';
+
+import { createClient } from '@supabase/supabase-js';
+
+import {
+  UserCircle,
+  Mail,
+  MapPin,
+  Phone,
+  Shield,
+  Calendar,
+  Link2,
+} from 'lucide-react';
+
+import { formatDate } from '@kit/shared/dates';
 import { Button } from '@kit/ui/button';
+import { Card, CardContent, CardHeader, CardTitle } from '@kit/ui/card';
 import { Input } from '@kit/ui/input';
 import { Label } from '@kit/ui/label';
-import { UserCircle, Mail, MapPin, Phone, Shield, Calendar } from 'lucide-react';
-import Link from 'next/link';
+
+import { PortalLinkedAccounts } from './_components/portal-linked-accounts';
 
 interface Props {
   params: Promise<{ slug: string }>;
@@ -19,15 +33,23 @@ export default async function PortalProfilePage({ params }: Props) {
     process.env.NEXT_PUBLIC_SUPABASE_PUBLIC_KEY!,
   );
 
-  const { data: account } = await supabase.from('accounts').select('id, name').eq('slug', slug).single();
-  if (!account) return <div className="p-8 text-center">Organisation nicht gefunden</div>;
+  const { data: account } = await supabase
+    .from('accounts')
+    .select('id, name')
+    .eq('slug', slug)
+    .single();
+  if (!account)
+    return <div className="p-8 text-center">Organisation nicht gefunden</div>;
 
   // Get current user
-  const { data: { user } } = await supabase.auth.getUser();
+  const {
+    data: { user },
+  } = await supabase.auth.getUser();
   if (!user) redirect(`/club/${slug}/portal`);
 
   // Find member linked to this user
-  const { data: member } = await supabase.from('members')
+  const { data: member } = await supabase
+    .from('members')
     .select('*')
     .eq('account_id', account.id)
     .eq('user_id', user.id)
@@ -35,17 +57,20 @@ export default async function PortalProfilePage({ params }: Props) {
 
   if (!member) {
     return (
-      <div className="min-h-screen bg-muted/30 flex items-center justify-center">
+      <div className="bg-muted/30 flex min-h-screen items-center justify-center">
         <Card className="max-w-md">
           <CardContent className="p-8 text-center">
-            <Shield className="mx-auto h-10 w-10 text-destructive mb-4" />
+            <Shield className="text-destructive mx-auto mb-4 h-10 w-10" />
             <h2 className="text-lg font-bold">Kein Mitglied</h2>
-            <p className="text-sm text-muted-foreground mt-2">
-              Ihr Benutzerkonto ist nicht mit einem Mitgliedsprofil in diesem Verein verknüpft.
-              Bitte wenden Sie sich an Ihren Vereinsadministrator.
+            <p className="text-muted-foreground mt-2 text-sm">
+              Ihr Benutzerkonto ist nicht mit einem Mitgliedsprofil in diesem
+              Verein verknüpft. Bitte wenden Sie sich an Ihren
+              Vereinsadministrator.
             </p>
             <Link href={`/club/${slug}/portal`}>
-              <Button variant="outline" className="mt-4">← Zurück</Button>
+              <Button variant="outline" className="mt-4">
+                ← Zurück
+              </Button>
             </Link>
           </CardContent>
         </Card>
@@ -56,28 +81,35 @@ export default async function PortalProfilePage({ params }: Props) {
   const m = member;
 
   return (
-    <div className="min-h-screen bg-muted/30">
-      <header className="border-b bg-background px-6 py-4">
-        <div className="flex items-center justify-between max-w-4xl mx-auto">
+    <div className="bg-muted/30 min-h-screen">
+      <header className="bg-background border-b px-6 py-4">
+        <div className="mx-auto flex max-w-4xl items-center justify-between">
           <div className="flex items-center gap-3">
-            <Shield className="h-5 w-5 text-primary" />
+            <Shield className="text-primary h-5 w-5" />
             <h1 className="text-lg font-bold">Mein Profil</h1>
           </div>
-          <Link href={`/club/${slug}/portal`}><Button variant="ghost" size="sm">← Zurück zum Portal</Button></Link>
+          <Link href={`/club/${slug}/portal`}>
+            <Button variant="ghost" size="sm">
+              ← Zurück zum Portal
+            </Button>
+          </Link>
         </div>
       </header>
 
-      <main className="max-w-3xl mx-auto py-8 px-6 space-y-6">
+      <main className="mx-auto max-w-3xl space-y-6 px-6 py-8">
         <Card>
           <CardContent className="p-6">
             <div className="flex items-center gap-4">
-              <div className="flex h-16 w-16 items-center justify-center rounded-full bg-primary/10 text-primary">
+              <div className="bg-primary/10 text-primary flex h-16 w-16 items-center justify-center rounded-full">
                 <UserCircle className="h-8 w-8" />
               </div>
               <div>
-                <h2 className="text-xl font-bold">{String(m.first_name)} {String(m.last_name)}</h2>
-                <p className="text-sm text-muted-foreground">
-                  Nr. {String(m.member_number ?? '—')} — Mitglied seit {m.entry_date ? new Date(String(m.entry_date)).toLocaleDateString('de-DE') : '—'}
+                <h2 className="text-xl font-bold">
+                  {String(m.first_name)} {String(m.last_name)}
+                </h2>
+                <p className="text-muted-foreground text-sm">
+                  Nr. {String(m.member_number ?? '—')} — Mitglied seit{' '}
+                  {formatDate(m.entry_date)}
                 </p>
               </div>
             </div>
@@ -85,37 +117,111 @@ export default async function PortalProfilePage({ params }: Props) {
         </Card>
 
         <Card>
-          <CardHeader><CardTitle className="flex items-center gap-2"><Mail className="h-4 w-4" />Kontaktdaten</CardTitle></CardHeader>
+          <CardHeader>
+            <CardTitle className="flex items-center gap-2">
+              <Mail className="h-4 w-4" />
+              Kontaktdaten
+            </CardTitle>
+          </CardHeader>
           <CardContent className="grid grid-cols-1 gap-4 sm:grid-cols-2">
-            <div className="space-y-2"><Label>Vorname</Label><Input defaultValue={String(m.first_name)} readOnly /></div>
-            <div className="space-y-2"><Label>Nachname</Label><Input defaultValue={String(m.last_name)} readOnly /></div>
-            <div className="space-y-2"><Label>E-Mail</Label><Input defaultValue={String(m.email ?? '')} /></div>
-            <div className="space-y-2"><Label>Telefon</Label><Input defaultValue={String(m.phone ?? '')} /></div>
-            <div className="space-y-2"><Label>Mobil</Label><Input defaultValue={String(m.mobile ?? '')} /></div>
+            <div className="space-y-2">
+              <Label>Vorname</Label>
+              <Input defaultValue={String(m.first_name)} readOnly />
+            </div>
+            <div className="space-y-2">
+              <Label>Nachname</Label>
+              <Input defaultValue={String(m.last_name)} readOnly />
+            </div>
+            <div className="space-y-2">
+              <Label>E-Mail</Label>
+              <Input defaultValue={String(m.email ?? '')} />
+            </div>
+            <div className="space-y-2">
+              <Label>Telefon</Label>
+              <Input defaultValue={String(m.phone ?? '')} />
+            </div>
+            <div className="space-y-2">
+              <Label>Mobil</Label>
+              <Input defaultValue={String(m.mobile ?? '')} />
+            </div>
           </CardContent>
         </Card>
 
         <Card>
-          <CardHeader><CardTitle className="flex items-center gap-2"><MapPin className="h-4 w-4" />Adresse</CardTitle></CardHeader>
+          <CardHeader>
+            <CardTitle className="flex items-center gap-2">
+              <MapPin className="h-4 w-4" />
+              Adresse
+            </CardTitle>
+          </CardHeader>
           <CardContent className="grid grid-cols-1 gap-4 sm:grid-cols-2">
-            <div className="space-y-2"><Label>Straße</Label><Input defaultValue={String(m.street ?? '')} /></div>
-            <div className="space-y-2"><Label>Hausnummer</Label><Input defaultValue={String(m.house_number ?? '')} /></div>
-            <div className="space-y-2"><Label>PLZ</Label><Input defaultValue={String(m.postal_code ?? '')} /></div>
-            <div className="space-y-2"><Label>Ort</Label><Input defaultValue={String(m.city ?? '')} /></div>
+            <div className="space-y-2">
+              <Label>Straße</Label>
+              <Input defaultValue={String(m.street ?? '')} />
+            </div>
+            <div className="space-y-2">
+              <Label>Hausnummer</Label>
+              <Input defaultValue={String(m.house_number ?? '')} />
+            </div>
+            <div className="space-y-2">
+              <Label>PLZ</Label>
+              <Input defaultValue={String(m.postal_code ?? '')} />
+            </div>
+            <div className="space-y-2">
+              <Label>Ort</Label>
+              <Input defaultValue={String(m.city ?? '')} />
+            </div>
           </CardContent>
         </Card>
 
         <Card>
-          <CardHeader><CardTitle className="flex items-center gap-2"><Shield className="h-4 w-4" />Datenschutz-Einwilligungen</CardTitle></CardHeader>
+          <CardHeader>
+            <CardTitle className="flex items-center gap-2">
+              <Link2 className="h-4 w-4" />
+              Anmeldemethoden
+            </CardTitle>
+          </CardHeader>
+          <CardContent>
+            <PortalLinkedAccounts slug={slug} />
+          </CardContent>
+        </Card>
+
+        <Card>
+          <CardHeader>
+            <CardTitle className="flex items-center gap-2">
+              <Shield className="h-4 w-4" />
+              Datenschutz-Einwilligungen
+            </CardTitle>
+          </CardHeader>
           <CardContent className="space-y-3">
             {[
-              { key: 'gdpr_newsletter', label: 'Newsletter per E-Mail', value: m.gdpr_newsletter },
-              { key: 'gdpr_internet', label: 'Veröffentlichung auf der Homepage', value: m.gdpr_internet },
-              { key: 'gdpr_print', label: 'Veröffentlichung in der Vereinszeitung', value: m.gdpr_print },
-              { key: 'gdpr_birthday_info', label: 'Geburtstagsinfo an Mitglieder', value: m.gdpr_birthday_info },
+              {
+                key: 'gdpr_newsletter',
+                label: 'Newsletter per E-Mail',
+                value: m.gdpr_newsletter,
+              },
+              {
+                key: 'gdpr_internet',
+                label: 'Veröffentlichung auf der Homepage',
+                value: m.gdpr_internet,
+              },
+              {
+                key: 'gdpr_print',
+                label: 'Veröffentlichung in der Vereinszeitung',
+                value: m.gdpr_print,
+              },
+              {
+                key: 'gdpr_birthday_info',
+                label: 'Geburtstagsinfo an Mitglieder',
+                value: m.gdpr_birthday_info,
+              },
             ].map(({ key, label, value }) => (
               <label key={key} className="flex items-center gap-3 text-sm">
-                <input type="checkbox" defaultChecked={Boolean(value)} className="h-4 w-4 rounded border-input" />
+                <input
+                  type="checkbox"
+                  defaultChecked={Boolean(value)}
+                  className="border-input h-4 w-4 rounded"
+                />
                 {label}
               </label>
             ))}

apps/web/app/[locale]/home/[account]/bookings/[bookingId]/page.tsx

@@ -10,6 +10,7 @@ import {
   User,
 } from 'lucide-react';
 
+import { formatDate } from '@kit/shared/dates';
 import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { Badge } from '@kit/ui/badge';
 import { Button } from '@kit/ui/button';
@@ -21,8 +22,8 @@ import {
   CardTitle,
 } from '@kit/ui/card';
 
-import { CmsPageShell } from '~/components/cms-page-shell';
 import { AccountNotFound } from '~/components/account-not-found';
+import { CmsPageShell } from '~/components/cms-page-shell';
 
 interface PageProps {
   params: Promise<{ account: string; bookingId: string }>;
@@ -124,9 +125,7 @@ export default async function BookingDetailPage({ params }: PageProps) {
                   {STATUS_LABEL[status] ?? status}
                 </Badge>
               </div>
-              <p className="text-muted-foreground text-sm">
-                ID: {bookingId}
-              </p>
+              <p className="text-muted-foreground text-sm">ID: {bookingId}</p>
             </div>
           </div>
         </div>
@@ -144,7 +143,7 @@ export default async function BookingDetailPage({ params }: PageProps) {
               {room ? (
                 <div className="space-y-2">
                   <div className="flex justify-between">
-                    <span className="text-sm text-muted-foreground">
+                    <span className="text-muted-foreground text-sm">
                       Zimmernummer
                     </span>
                     <span className="font-medium">
@@ -153,14 +152,14 @@ export default async function BookingDetailPage({ params }: PageProps) {
                   </div>
                   {room.name && (
                     <div className="flex justify-between">
-                      <span className="text-sm text-muted-foreground">
+                      <span className="text-muted-foreground text-sm">
                         Name
                       </span>
                       <span className="font-medium">{String(room.name)}</span>
                     </div>
                   )}
                   <div className="flex justify-between">
-                    <span className="text-sm text-muted-foreground">Typ</span>
+                    <span className="text-muted-foreground text-sm">Typ</span>
                     <span className="font-medium">
                       {String(room.room_type ?? '—')}
                     </span>
@@ -186,29 +185,25 @@ export default async function BookingDetailPage({ params }: PageProps) {
               {guest ? (
                 <div className="space-y-2">
                   <div className="flex justify-between">
-                    <span className="text-sm text-muted-foreground">Name</span>
+                    <span className="text-muted-foreground text-sm">Name</span>
                     <span className="font-medium">
                       {String(guest.first_name)} {String(guest.last_name)}
                     </span>
                   </div>
                   {guest.email && (
                     <div className="flex justify-between">
-                      <span className="text-sm text-muted-foreground">
+                      <span className="text-muted-foreground text-sm">
                         E-Mail
                       </span>
-                      <span className="font-medium">
-                        {String(guest.email)}
-                      </span>
+                      <span className="font-medium">{String(guest.email)}</span>
                     </div>
                   )}
                   {guest.phone && (
                     <div className="flex justify-between">
-                      <span className="text-sm text-muted-foreground">
+                      <span className="text-muted-foreground text-sm">
                         Telefon
                       </span>
-                      <span className="font-medium">
-                        {String(guest.phone)}
-                      </span>
+                      <span className="font-medium">{String(guest.phone)}</span>
                     </div>
                   )}
                 </div>
@@ -231,56 +226,30 @@ export default async function BookingDetailPage({ params }: PageProps) {
             <CardContent>
               <div className="space-y-2">
                 <div className="flex justify-between">
-                  <span className="text-sm text-muted-foreground">
+                  <span className="text-muted-foreground text-sm">
                     Check-in
                   </span>
                   <span className="font-medium">
-                    {booking.check_in
-                      ? new Date(String(booking.check_in)).toLocaleDateString(
-                          'de-DE',
-                          {
-                            weekday: 'short',
-                            day: '2-digit',
-                            month: '2-digit',
-                            year: 'numeric',
-                          },
-                        )
-                      : '—'}
+                    {formatDate(booking.check_in)}
                   </span>
                 </div>
                 <div className="flex justify-between">
-                  <span className="text-sm text-muted-foreground">
+                  <span className="text-muted-foreground text-sm">
                     Check-out
                   </span>
                   <span className="font-medium">
-                    {booking.check_out
-                      ? new Date(String(booking.check_out)).toLocaleDateString(
-                          'de-DE',
-                          {
-                            weekday: 'short',
-                            day: '2-digit',
-                            month: '2-digit',
-                            year: 'numeric',
-                          },
-                        )
-                      : '—'}
+                    {formatDate(booking.check_out)}
                   </span>
                 </div>
                 <div className="flex justify-between">
-                  <span className="text-sm text-muted-foreground">
+                  <span className="text-muted-foreground text-sm">
                     Erwachsene
                   </span>
-                  <span className="font-medium">
-                    {booking.adults ?? '—'}
-                  </span>
+                  <span className="font-medium">{booking.adults ?? '—'}</span>
                 </div>
                 <div className="flex justify-between">
-                  <span className="text-sm text-muted-foreground">
-                    Kinder
-                  </span>
-                  <span className="font-medium">
-                    {booking.children ?? 0}
-                  </span>
+                  <span className="text-muted-foreground text-sm">Kinder</span>
+                  <span className="font-medium">{booking.children ?? 0}</span>
                 </div>
               </div>
             </CardContent>
@@ -294,7 +263,7 @@ export default async function BookingDetailPage({ params }: PageProps) {
             <CardContent>
               <div className="space-y-2">
                 <div className="flex justify-between">
-                  <span className="text-sm text-muted-foreground">
+                  <span className="text-muted-foreground text-sm">
                     Gesamtpreis
                   </span>
                   <span className="text-2xl font-bold">
@@ -305,7 +274,7 @@ export default async function BookingDetailPage({ params }: PageProps) {
                 </div>
                 {booking.notes && (
                   <div className="border-t pt-2">
-                    <span className="text-sm text-muted-foreground">
+                    <span className="text-muted-foreground text-sm">
                       Notizen
                     </span>
                     <p className="mt-1 text-sm">{String(booking.notes)}</p>
@@ -320,9 +289,7 @@ export default async function BookingDetailPage({ params }: PageProps) {
         <Card>
           <CardHeader>
             <CardTitle>Aktionen</CardTitle>
-            <CardDescription>
-              Status der Buchung ändern
-            </CardDescription>
+            <CardDescription>Status der Buchung ändern</CardDescription>
           </CardHeader>
           <CardContent>
             <div className="flex flex-wrap gap-3">
@@ -350,10 +317,10 @@ export default async function BookingDetailPage({ params }: PageProps) {
                 )}
 
               {status === 'cancelled' || status === 'checked_out' ? (
-                <p className="text-sm text-muted-foreground py-2">
+                <p className="text-muted-foreground py-2 text-sm">
                   Diese Buchung ist{' '}
-                  {status === 'cancelled' ? 'storniert' : 'abgeschlossen'} — keine
-                  weiteren Aktionen verfügbar.
+                  {status === 'cancelled' ? 'storniert' : 'abgeschlossen'} —
+                  keine weiteren Aktionen verfügbar.
                 </p>
               ) : null}
             </div>

apps/web/app/[locale]/home/[account]/bookings/calendar/page.tsx

@@ -2,15 +2,14 @@ import Link from 'next/link';
 
 import { ArrowLeft, ChevronLeft, ChevronRight } from 'lucide-react';
 
+import { createBookingManagementApi } from '@kit/booking-management/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 { createBookingManagementApi } from '@kit/booking-management/api';
-
-import { CmsPageShell } from '~/components/cms-page-shell';
 import { AccountNotFound } from '~/components/account-not-found';
+import { CmsPageShell } from '~/components/cms-page-shell';
 
 interface PageProps {
   params: Promise<{ account: string }>;
@@ -43,7 +42,11 @@ function getFirstWeekday(year: number, month: number): number {
   return day === 0 ? 6 : day - 1;
 }
 
-function isDateInRange(date: string, checkIn: string, checkOut: string): boolean {
+function isDateInRange(
+  date: string,
+  checkIn: string,
+  checkOut: string,
+): boolean {
   return date >= checkIn && date < checkOut;
 }
 
@@ -101,7 +104,11 @@ export default async function BookingCalendarPage({ params }: PageProps) {
   }
 
   // Build calendar grid cells
-  const cells: Array<{ day: number | null; occupied: boolean; isToday: boolean }> = [];
+  const cells: Array<{
+    day: number | null;
+    occupied: boolean;
+    isToday: boolean;
+  }> = [];
 
   // Empty cells before first day
   for (let i = 0; i < firstWeekday; i++) {
@@ -158,11 +165,11 @@ export default async function BookingCalendarPage({ params }: PageProps) {
           </CardHeader>
           <CardContent>
             {/* Weekday Header */}
-            <div className="grid grid-cols-7 gap-1 mb-1">
+            <div className="mb-1 grid grid-cols-7 gap-1">
               {WEEKDAYS.map((day) => (
                 <div
                   key={day}
-                  className="text-center text-xs font-medium text-muted-foreground py-2"
+                  className="text-muted-foreground py-2 text-center text-xs font-medium"
                 >
                   {day}
                 </div>
@@ -180,13 +187,13 @@ export default async function BookingCalendarPage({ params }: PageProps) {
                       : cell.occupied
                         ? 'bg-primary/15 text-primary font-semibold'
                         : 'bg-muted/30 hover:bg-muted/50'
-                  } ${cell.isToday ? 'ring-2 ring-primary ring-offset-1' : ''}`}
+                  } ${cell.isToday ? 'ring-primary ring-2 ring-offset-1' : ''}`}
                 >
                   {cell.day !== null && (
                     <>
                       <span>{cell.day}</span>
                       {cell.occupied && (
-                        <span className="absolute bottom-1 left-1/2 -translate-x-1/2 h-1.5 w-1.5 rounded-full bg-primary" />
+                        <span className="bg-primary absolute bottom-1 left-1/2 h-1.5 w-1.5 -translate-x-1/2 rounded-full" />
                       )}
                     </>
                   )}
@@ -195,17 +202,17 @@ export default async function BookingCalendarPage({ params }: PageProps) {
             </div>
 
             {/* Legend */}
-            <div className="mt-4 flex items-center gap-4 text-xs text-muted-foreground">
+            <div className="text-muted-foreground mt-4 flex items-center gap-4 text-xs">
               <div className="flex items-center gap-1.5">
-                <span className="inline-block h-3 w-3 rounded-sm bg-primary/15" />
+                <span className="bg-primary/15 inline-block h-3 w-3 rounded-sm" />
                 Belegt
               </div>
               <div className="flex items-center gap-1.5">
-                <span className="inline-block h-3 w-3 rounded-sm bg-muted/30" />
+                <span className="bg-muted/30 inline-block h-3 w-3 rounded-sm" />
                 Frei
               </div>
               <div className="flex items-center gap-1.5">
-                <span className="inline-block h-3 w-3 rounded-sm ring-2 ring-primary" />
+                <span className="ring-primary inline-block h-3 w-3 rounded-sm ring-2" />
                 Heute
               </div>
             </div>
@@ -217,7 +224,7 @@ export default async function BookingCalendarPage({ params }: PageProps) {
           <CardContent className="p-6">
             <div className="flex items-center justify-between">
               <div>
-                <p className="text-sm text-muted-foreground">
+                <p className="text-muted-foreground text-sm">
                   Buchungen in diesem Monat
                 </p>
                 <p className="text-2xl font-bold">{bookings.data.length}</p>

apps/web/app/[locale]/home/[account]/bookings/guests/page.tsx

@@ -1,14 +1,13 @@
 import { UserCircle, Plus } from 'lucide-react';
 
+import { createBookingManagementApi } from '@kit/booking-management/api';
 import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { Button } from '@kit/ui/button';
 import { Card, CardContent, CardHeader, CardTitle } from '@kit/ui/card';
 
-import { createBookingManagementApi } from '@kit/booking-management/api';
-
+import { AccountNotFound } from '~/components/account-not-found';
 import { CmsPageShell } from '~/components/cms-page-shell';
 import { EmptyState } from '~/components/empty-state';
-import { AccountNotFound } from '~/components/account-not-found';
 
 interface PageProps {
   params: Promise<{ account: string }>;
@@ -40,7 +39,7 @@ export default async function GuestsPage({ params }: PageProps) {
       <div className="flex w-full flex-col gap-6">
         <div className="flex items-center justify-between">
           <p className="text-muted-foreground">Gästeverwaltung</p>
-          <Button>
+          <Button data-test="guests-new-btn">
             <Plus className="mr-2 h-4 w-4" />
             Neuer Gast
           </Button>
@@ -62,7 +61,7 @@ export default async function GuestsPage({ params }: PageProps) {
               <div className="rounded-md border">
                 <table className="w-full text-sm">
                   <thead>
-                    <tr className="border-b bg-muted/50">
+                    <tr className="bg-muted/50 border-b">
                       <th className="p-3 text-left font-medium">Name</th>
                       <th className="p-3 text-left font-medium">E-Mail</th>
                       <th className="p-3 text-left font-medium">Telefon</th>
@@ -72,9 +71,13 @@ export default async function GuestsPage({ params }: PageProps) {
                   </thead>
                   <tbody>
                     {guests.map((guest: Record<string, unknown>) => (
-                      <tr key={String(guest.id)} className="border-b hover:bg-muted/30">
+                      <tr
+                        key={String(guest.id)}
+                        className="hover:bg-muted/30 border-b"
+                      >
                         <td className="p-3 font-medium">
-                          {String(guest.last_name ?? '')}, {String(guest.first_name ?? '')}
+                          {String(guest.last_name ?? '')},{' '}
+                          {String(guest.first_name ?? '')}
                         </td>
                         <td className="p-3">{String(guest.email ?? '—')}</td>
                         <td className="p-3">{String(guest.phone ?? '—')}</td>

apps/web/app/[locale]/home/[account]/bookings/new/page.tsx

@@ -1,15 +1,22 @@
-import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { createBookingManagementApi } from '@kit/booking-management/api';
 import { CreateBookingForm } from '@kit/booking-management/components';
-import { CmsPageShell } from '~/components/cms-page-shell';
-import { AccountNotFound } from '~/components/account-not-found';
+import { getSupabaseServerClient } from '@kit/supabase/server-client';
 
-interface Props { params: Promise<{ account: string }> }
+import { AccountNotFound } from '~/components/account-not-found';
+import { CmsPageShell } from '~/components/cms-page-shell';
+
+interface Props {
+  params: Promise<{ account: string }>;
+}
 
 export default async function NewBookingPage({ params }: Props) {
   const { account } = await params;
   const client = getSupabaseServerClient();
-  const { data: acct } = await client.from('accounts').select('id').eq('slug', account).single();
+  const { data: acct } = await client
+    .from('accounts')
+    .select('id')
+    .eq('slug', account)
+    .single();
   if (!acct) {
     return (
       <CmsPageShell account={account} title="Neue Buchung">
@@ -22,12 +29,19 @@ export default async function NewBookingPage({ params }: Props) {
   const rooms = await api.listRooms(acct.id);
 
   return (
-    <CmsPageShell account={account} title="Neue Buchung" description="Buchung erstellen">
+    <CmsPageShell
+      account={account}
+      title="Neue Buchung"
+      description="Buchung erstellen"
+    >
       <CreateBookingForm
         accountId={acct.id}
         account={account}
         rooms={(rooms ?? []).map((r: Record<string, unknown>) => ({
-          id: String(r.id), roomNumber: String(r.room_number), name: String(r.name ?? ''), pricePerNight: Number(r.price_per_night ?? 0)
+          id: String(r.id),
+          roomNumber: String(r.room_number),
+          name: String(r.name ?? ''),
+          pricePerNight: Number(r.price_per_night ?? 0),
         }))}
       />
     </CmsPageShell>

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

@@ -2,18 +2,18 @@ import Link from 'next/link';
 
 import { BedDouble, CalendarCheck, Plus, Euro, Search } from 'lucide-react';
 
+import { createBookingManagementApi } from '@kit/booking-management/api';
+import { formatDate } from '@kit/shared/dates';
 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 { Input } from '@kit/ui/input';
 
-import { createBookingManagementApi } from '@kit/booking-management/api';
-
+import { AccountNotFound } from '~/components/account-not-found';
 import { CmsPageShell } from '~/components/cms-page-shell';
 import { EmptyState } from '~/components/empty-state';
 import { StatsCard } from '~/components/stats-card';
-import { AccountNotFound } from '~/components/account-not-found';
 
 interface PageProps {
   params: Promise<{ account: string }>;
@@ -42,7 +42,10 @@ const STATUS_LABEL: Record<string, string> = {
   no_show: 'Nicht erschienen',
 };
 
-export default async function BookingsPage({ params, searchParams }: PageProps) {
+export default async function BookingsPage({
+  params,
+  searchParams,
+}: PageProps) {
   const { account } = await params;
   const search = await searchParams;
   const client = getSupabaseServerClient();
@@ -87,9 +90,9 @@ export default async function BookingsPage({ params, searchParams }: PageProps)
   // Post-filter by search query (guest name or room name/number)
   if (searchQuery) {
     const q = searchQuery.toLowerCase();
-    bookingsData = bookingsData.filter((b) => {
-      const room = b.room as Record<string, string> | null;
-      const guest = b.guest as Record<string, string> | null;
+    bookingsData = bookingsData.filter((booking) => {
+      const room = booking.room as Record<string, string> | null;
+      const guest = booking.guest as Record<string, string> | null;
       const roomName = (room?.name ?? '').toLowerCase();
       const roomNumber = (room?.room_number ?? '').toLowerCase();
       const guestFirst = (guest?.first_name ?? '').toLowerCase();
@@ -104,7 +107,8 @@ export default async function BookingsPage({ params, searchParams }: PageProps)
   }
 
   const activeBookings = bookingsData.filter(
-    (b) => b.status === 'confirmed' || b.status === 'checked_in',
+    (booking) =>
+      booking.status === 'confirmed' || booking.status === 'checked_in',
   );
 
   const totalPages = Math.ceil(total / PAGE_SIZE);
@@ -119,7 +123,7 @@ export default async function BookingsPage({ params, searchParams }: PageProps)
           </p>
 
           <Link href={`/home/${account}/bookings/new`}>
-            <Button>
+            <Button data-test="bookings-new-btn">
               <Plus className="mr-2 h-4 w-4" />
               Neue Buchung
             </Button>
@@ -148,7 +152,7 @@ export default async function BookingsPage({ params, searchParams }: PageProps)
         {/* Search */}
         <form className="flex items-center gap-2">
           <div className="relative max-w-sm flex-1">
-            <Search className="absolute left-2.5 top-1/2 h-4 w-4 -translate-y-1/2 text-muted-foreground" />
+            <Search className="text-muted-foreground absolute top-1/2 left-2.5 h-4 w-4 -translate-y-1/2" />
             <Input
               name="q"
               defaultValue={searchQuery}
@@ -200,7 +204,7 @@ export default async function BookingsPage({ params, searchParams }: PageProps)
               <div className="rounded-md border">
                 <table className="w-full text-sm">
                   <thead>
-                    <tr className="border-b bg-muted/50">
+                    <tr className="bg-muted/50 border-b">
                       <th className="p-3 text-left font-medium">Zimmer</th>
                       <th className="p-3 text-left font-medium">Gast</th>
                       <th className="p-3 text-left font-medium">Anreise</th>
@@ -211,13 +215,19 @@ export default async function BookingsPage({ params, searchParams }: PageProps)
                   </thead>
                   <tbody>
                     {bookingsData.map((booking) => {
-                      const room = booking.room as Record<string, string> | null;
-                      const guest = booking.guest as Record<string, string> | null;
+                      const room = booking.room as Record<
+                        string,
+                        string
+                      > | null;
+                      const guest = booking.guest as Record<
+                        string,
+                        string
+                      > | null;
 
                       return (
                         <tr
                           key={String(booking.id)}
-                          className="border-b hover:bg-muted/30"
+                          className="hover:bg-muted/30 border-b"
                         >
                           <td className="p-3">
                             <Link
@@ -235,18 +245,10 @@ export default async function BookingsPage({ params, searchParams }: PageProps)
                               : '—'}
                           </td>
                           <td className="p-3">
-                            {booking.check_in
-                              ? new Date(
-                                  String(booking.check_in),
-                                ).toLocaleDateString('de-DE')
-                              : '—'}
+                            {formatDate(booking.check_in)}
                           </td>
                           <td className="p-3">
-                            {booking.check_out
-                              ? new Date(
-                                  String(booking.check_out),
-                                ).toLocaleDateString('de-DE')
-                              : '—'}
+                            {formatDate(booking.check_out)}
                           </td>
                           <td className="p-3">
                             <Badge
@@ -274,14 +276,12 @@ export default async function BookingsPage({ params, searchParams }: PageProps)
               {/* Pagination */}
               {totalPages > 1 && !searchQuery && (
                 <div className="flex items-center justify-between border-t px-2 py-4">
-                  <p className="text-sm text-muted-foreground">
+                  <p className="text-muted-foreground text-sm">
                     Seite {page} von {totalPages} ({total} Einträge)
                   </p>
                   <div className="flex items-center gap-2">
                     {page > 1 ? (
-                      <Link
-                        href={`/home/${account}/bookings?page=${page - 1}`}
-                      >
+                      <Link href={`/home/${account}/bookings?page=${page - 1}`}>
                         <Button variant="outline" size="sm">
                           Zurück
                         </Button>
@@ -293,9 +293,7 @@ export default async function BookingsPage({ params, searchParams }: PageProps)
                     )}
 
                     {page < totalPages ? (
-                      <Link
-                        href={`/home/${account}/bookings?page=${page + 1}`}
-                      >
+                      <Link href={`/home/${account}/bookings?page=${page + 1}`}>
                         <Button variant="outline" size="sm">
                           Weiter
                         </Button>

apps/web/app/[locale]/home/[account]/bookings/rooms/page.tsx

@@ -1,15 +1,14 @@
 import { BedDouble, Plus } from 'lucide-react';
 
+import { createBookingManagementApi } from '@kit/booking-management/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 { createBookingManagementApi } from '@kit/booking-management/api';
-
+import { AccountNotFound } from '~/components/account-not-found';
 import { CmsPageShell } from '~/components/cms-page-shell';
 import { EmptyState } from '~/components/empty-state';
-import { AccountNotFound } from '~/components/account-not-found';
 
 interface PageProps {
   params: Promise<{ account: string }>;
@@ -41,7 +40,7 @@ export default async function RoomsPage({ params }: PageProps) {
       <div className="flex w-full flex-col gap-6">
         <div className="flex items-center justify-between">
           <p className="text-muted-foreground">Zimmerverwaltung</p>
-          <Button>
+          <Button data-test="rooms-new-btn">
             <Plus className="mr-2 h-4 w-4" />
             Neues Zimmer
           </Button>
@@ -63,26 +62,37 @@ export default async function RoomsPage({ params }: PageProps) {
               <div className="rounded-md border">
                 <table className="w-full text-sm">
                   <thead>
-                    <tr className="border-b bg-muted/50">
+                    <tr className="bg-muted/50 border-b">
                       <th className="p-3 text-left font-medium">Zimmernr.</th>
                       <th className="p-3 text-left font-medium">Name</th>
                       <th className="p-3 text-left font-medium">Typ</th>
                       <th className="p-3 text-right font-medium">Kapazität</th>
-                      <th className="p-3 text-right font-medium">Preis/Nacht</th>
+                      <th className="p-3 text-right font-medium">
+                        Preis/Nacht
+                      </th>
                       <th className="p-3 text-center font-medium">Aktiv</th>
                     </tr>
                   </thead>
                   <tbody>
                     {rooms.map((room: Record<string, unknown>) => (
-                      <tr key={String(room.id)} className="border-b hover:bg-muted/30">
+                      <tr
+                        key={String(room.id)}
+                        className="hover:bg-muted/30 border-b"
+                      >
                         <td className="p-3 font-mono text-xs">
                           {String(room.room_number ?? '—')}
                         </td>
-                        <td className="p-3 font-medium">{String(room.name ?? '—')}</td>
-                        <td className="p-3">
-                          <Badge variant="outline">{String(room.room_type ?? '—')}</Badge>
+                        <td className="p-3 font-medium">
+                          {String(room.name ?? '—')}
+                        </td>
+                        <td className="p-3">
+                          <Badge variant="outline">
+                            {String(room.room_type ?? '—')}
+                          </Badge>
+                        </td>
+                        <td className="p-3 text-right">
+                          {String(room.capacity ?? '—')}
                         </td>
-                        <td className="p-3 text-right">{String(room.capacity ?? '—')}</td>
                         <td className="p-3 text-right">
                           {room.price_per_night != null
                             ? `${Number(room.price_per_night).toFixed(2)} €`

apps/web/app/[locale]/home/[account]/courses/[courseId]/attendance/page.tsx

@@ -1,11 +1,12 @@
 import { ClipboardCheck, Calendar } from 'lucide-react';
 
+import { createCourseManagementApi } from '@kit/course-management/api';
+import { formatDate } from '@kit/shared/dates';
 import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { Badge } from '@kit/ui/badge';
 import { Card, CardContent, CardHeader, CardTitle } from '@kit/ui/card';
 
-import { createCourseManagementApi } from '@kit/course-management/api';
-
+import { AccountNotFound } from '~/components/account-not-found';
 import { CmsPageShell } from '~/components/cms-page-shell';
 import { EmptyState } from '~/components/empty-state';
 
@@ -14,7 +15,10 @@ interface PageProps {
   searchParams: Promise<Record<string, string | string[] | undefined>>;
 }
 
-export default async function AttendancePage({ params, searchParams }: PageProps) {
+export default async function AttendancePage({
+  params,
+  searchParams,
+}: PageProps) {
   const { account, courseId } = await params;
   const search = await searchParams;
   const client = getSupabaseServerClient();
@@ -26,16 +30,23 @@ export default async function AttendancePage({ params, searchParams }: PageProps
     api.getParticipants(courseId),
   ]);
 
-  if (!course) return <div>Kurs nicht gefunden</div>;
+  if (!course) return <AccountNotFound />;
 
-  const selectedSessionId = (search.session as string) ?? (sessions.length > 0 ? String((sessions[0] as Record<string, unknown>).id) : null);
+  const selectedSessionId =
+    (search.session as string) ??
+    (sessions.length > 0
+      ? String((sessions[0] as Record<string, unknown>).id)
+      : null);
 
   const attendance = selectedSessionId
     ? await api.getAttendance(selectedSessionId)
     : [];
 
   const attendanceMap = new Map(
-    attendance.map((a: Record<string, unknown>) => [String(a.participant_id), Boolean(a.present)]),
+    attendance.map((a: Record<string, unknown>) => [
+      String(a.participant_id),
+      Boolean(a.present),
+    ]),
   );
 
   return (
@@ -70,9 +81,12 @@ export default async function AttendancePage({ params, searchParams }: PageProps
                         key={String(s.id)}
                         href={`/home/${account}/courses/${courseId}/attendance?session=${String(s.id)}`}
                       >
-                        <Badge variant={isSelected ? 'default' : 'outline'} className="cursor-pointer px-3 py-1">
+                        <Badge
+                          variant={isSelected ? 'default' : 'outline'}
+                          className="cursor-pointer px-3 py-1"
+                        >
                           {s.session_date
-                            ? new Date(String(s.session_date)).toLocaleDateString('de-DE')
+                            ? formatDate(s.session_date as string)
                             : String(s.id)}
                         </Badge>
                       </a>
@@ -92,28 +106,38 @@ export default async function AttendancePage({ params, searchParams }: PageProps
               </CardHeader>
               <CardContent>
                 {participants.length === 0 ? (
-                  <p className="py-6 text-center text-sm text-muted-foreground">
+                  <p className="text-muted-foreground py-6 text-center text-sm">
                     Keine Teilnehmer in diesem Kurs
                   </p>
                 ) : (
                   <div className="rounded-md border">
                     <table className="w-full text-sm">
                       <thead>
-                        <tr className="border-b bg-muted/50">
-                          <th className="p-3 text-left font-medium">Teilnehmer</th>
-                          <th className="p-3 text-center font-medium">Anwesend</th>
+                        <tr className="bg-muted/50 border-b">
+                          <th className="p-3 text-left font-medium">
+                            Teilnehmer
+                          </th>
+                          <th className="p-3 text-center font-medium">
+                            Anwesend
+                          </th>
                         </tr>
                       </thead>
                       <tbody>
                         {participants.map((p: Record<string, unknown>) => (
-                          <tr key={String(p.id)} className="border-b hover:bg-muted/30">
+                          <tr
+                            key={String(p.id)}
+                            className="hover:bg-muted/30 border-b"
+                          >
                             <td className="p-3 font-medium">
-                              {String(p.last_name ?? '')}, {String(p.first_name ?? '')}
+                              {String(p.last_name ?? '')},{' '}
+                              {String(p.first_name ?? '')}
                             </td>
                             <td className="p-3 text-center">
                               <input
                                 type="checkbox"
-                                defaultChecked={attendanceMap.get(String(p.id)) ?? false}
+                                defaultChecked={
+                                  attendanceMap.get(String(p.id)) ?? false
+                                }
                                 className="h-4 w-4 rounded border-gray-300"
                                 aria-label={`Anwesenheit ${String(p.last_name)}`}
                               />

apps/web/app/[locale]/home/[account]/courses/[courseId]/page.tsx

@@ -1,14 +1,22 @@
 import Link from 'next/link';
 
-import { GraduationCap, Users, Calendar, Euro, User, Clock } from 'lucide-react';
+import {
+  GraduationCap,
+  Users,
+  Calendar,
+  Euro,
+  User,
+  Clock,
+} from 'lucide-react';
 
+import { createCourseManagementApi } from '@kit/course-management/api';
+import { formatDate } from '@kit/shared/dates';
 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 { createCourseManagementApi } from '@kit/course-management/api';
-
+import { AccountNotFound } from '~/components/account-not-found';
 import { CmsPageShell } from '~/components/cms-page-shell';
 
 interface PageProps {
@@ -16,13 +24,22 @@ interface PageProps {
 }
 
 const STATUS_LABEL: Record<string, string> = {
-  planned: 'Geplant', open: 'Offen', running: 'Laufend',
-  completed: 'Abgeschlossen', cancelled: 'Abgesagt',
+  planned: 'Geplant',
+  open: 'Offen',
+  running: 'Laufend',
+  completed: 'Abgeschlossen',
+  cancelled: 'Abgesagt',
 };
 
-const STATUS_VARIANT: Record<string, 'secondary' | 'default' | 'info' | 'outline' | 'destructive'> = {
-  planned: 'secondary', open: 'default', running: 'info',
-  completed: 'outline', cancelled: 'destructive',
+const STATUS_VARIANT: Record<
+  string,
+  'secondary' | 'default' | 'info' | 'outline' | 'destructive'
+> = {
+  planned: 'secondary',
+  open: 'default',
+  running: 'info',
+  completed: 'outline',
+  cancelled: 'destructive',
 };
 
 export default async function CourseDetailPage({ params }: PageProps) {
@@ -36,75 +53,84 @@ export default async function CourseDetailPage({ params }: PageProps) {
     api.getSessions(courseId),
   ]);
 
-  if (!course) return <div>Kurs nicht gefunden</div>;
+  if (!course) return <AccountNotFound />;
 
-  const c = course as Record<string, unknown>;
+  const courseData = course as Record<string, unknown>;
 
   return (
-    <CmsPageShell account={account} title={String(c.name)}>
+    <CmsPageShell account={account} title={String(courseData.name)}>
       <div className="flex w-full flex-col gap-6">
         {/* Summary Cards */}
         <div className="grid grid-cols-1 gap-4 sm:grid-cols-2 lg:grid-cols-3">
           <Card>
             <CardContent className="flex items-center gap-3 p-4">
-              <GraduationCap className="h-5 w-5 text-primary" />
+              <GraduationCap className="text-primary h-5 w-5" />
               <div>
-                <p className="text-xs text-muted-foreground">Name</p>
-                <p className="font-semibold">{String(c.name)}</p>
+                <p className="text-muted-foreground text-xs">Name</p>
+                <p className="font-semibold">{String(courseData.name)}</p>
               </div>
             </CardContent>
           </Card>
           <Card>
             <CardContent className="flex items-center gap-3 p-4">
-              <Clock className="h-5 w-5 text-primary" />
+              <Clock className="text-primary h-5 w-5" />
               <div>
-                <p className="text-xs text-muted-foreground">Status</p>
-                <Badge variant={STATUS_VARIANT[String(c.status)] ?? 'secondary'}>
-                  {STATUS_LABEL[String(c.status)] ?? String(c.status)}
+                <p className="text-muted-foreground text-xs">Status</p>
+                <Badge
+                  variant={
+                    STATUS_VARIANT[String(courseData.status)] ?? 'secondary'
+                  }
+                >
+                  {STATUS_LABEL[String(courseData.status)] ??
+                    String(courseData.status)}
                 </Badge>
               </div>
             </CardContent>
           </Card>
           <Card>
             <CardContent className="flex items-center gap-3 p-4">
-              <User className="h-5 w-5 text-primary" />
+              <User className="text-primary h-5 w-5" />
               <div>
-                <p className="text-xs text-muted-foreground">Dozent</p>
-                <p className="font-semibold">{String(c.instructor_id ?? '—')}</p>
+                <p className="text-muted-foreground text-xs">Dozent</p>
+                <p className="font-semibold">
+                  {String(courseData.instructor_id ?? '—')}
+                </p>
               </div>
             </CardContent>
           </Card>
           <Card>
             <CardContent className="flex items-center gap-3 p-4">
-              <Calendar className="h-5 w-5 text-primary" />
+              <Calendar className="text-primary h-5 w-5" />
               <div>
-                <p className="text-xs text-muted-foreground">Beginn – Ende</p>
+                <p className="text-muted-foreground text-xs">Beginn – Ende</p>
                 <p className="font-semibold">
-                  {c.start_date ? new Date(String(c.start_date)).toLocaleDateString('de-DE') : '—'}
+                  {formatDate(courseData.start_date as string)}
                   {' – '}
-                  {c.end_date ? new Date(String(c.end_date)).toLocaleDateString('de-DE') : '—'}
+                  {formatDate(courseData.end_date as string)}
                 </p>
               </div>
             </CardContent>
           </Card>
           <Card>
             <CardContent className="flex items-center gap-3 p-4">
-              <Euro className="h-5 w-5 text-primary" />
+              <Euro className="text-primary h-5 w-5" />
               <div>
-                <p className="text-xs text-muted-foreground">Gebühr</p>
+                <p className="text-muted-foreground text-xs">Gebühr</p>
                 <p className="font-semibold">
-                  {c.fee != null ? `${Number(c.fee).toFixed(2)} €` : '—'}
+                  {courseData.fee != null
+                    ? `${Number(courseData.fee).toFixed(2)} €`
+                    : '—'}
                 </p>
               </div>
             </CardContent>
           </Card>
           <Card>
             <CardContent className="flex items-center gap-3 p-4">
-              <Users className="h-5 w-5 text-primary" />
+              <Users className="text-primary h-5 w-5" />
               <div>
-                <p className="text-xs text-muted-foreground">Teilnehmer</p>
+                <p className="text-muted-foreground text-xs">Teilnehmer</p>
                 <p className="font-semibold">
-                  {participants.length} / {String(c.capacity ?? '∞')}
+                  {participants.length} / {String(courseData.capacity ?? '∞')}
                 </p>
               </div>
             </CardContent>
@@ -116,14 +142,16 @@ export default async function CourseDetailPage({ params }: PageProps) {
           <CardHeader className="flex flex-row items-center justify-between">
             <CardTitle>Teilnehmer</CardTitle>
             <Link href={`/home/${account}/courses/${courseId}/participants`}>
-              <Button variant="outline" size="sm">Alle anzeigen</Button>
+              <Button variant="outline" size="sm">
+                Alle anzeigen
+              </Button>
             </Link>
           </CardHeader>
           <CardContent>
             <div className="rounded-md border">
               <table className="w-full text-sm">
                 <thead>
-                  <tr className="border-b bg-muted/50">
+                  <tr className="bg-muted/50 border-b">
                     <th className="p-3 text-left font-medium">Name</th>
                     <th className="p-3 text-left font-medium">E-Mail</th>
                     <th className="p-3 text-left font-medium">Status</th>
@@ -132,15 +160,36 @@ export default async function CourseDetailPage({ params }: PageProps) {
                 </thead>
                 <tbody>
                   {participants.length === 0 ? (
-                    <tr><td colSpan={4} className="p-6 text-center text-muted-foreground">Keine Teilnehmer</td></tr>
-                  ) : participants.map((p: Record<string, unknown>) => (
-                    <tr key={String(p.id)} className="border-b hover:bg-muted/30">
-                      <td className="p-3 font-medium">{String(p.last_name ?? '')}, {String(p.first_name ?? '')}</td>
-                      <td className="p-3">{String(p.email ?? '—')}</td>
-                      <td className="p-3"><Badge variant="outline">{String(p.status ?? '—')}</Badge></td>
-                      <td className="p-3">{p.enrolled_at ? new Date(String(p.enrolled_at)).toLocaleDateString('de-DE') : '—'}</td>
+                    <tr>
+                      <td
+                        colSpan={4}
+                        className="text-muted-foreground p-6 text-center"
+                      >
+                        Keine Teilnehmer
+                      </td>
                     </tr>
-                  ))}
+                  ) : (
+                    participants.map((p: Record<string, unknown>) => (
+                      <tr
+                        key={String(p.id)}
+                        className="hover:bg-muted/30 border-b"
+                      >
+                        <td className="p-3 font-medium">
+                          {String(p.last_name ?? '')},{' '}
+                          {String(p.first_name ?? '')}
+                        </td>
+                        <td className="p-3">{String(p.email ?? '—')}</td>
+                        <td className="p-3">
+                          <Badge variant="outline">
+                            {String(p.status ?? '—')}
+                          </Badge>
+                        </td>
+                        <td className="p-3">
+                          {formatDate(p.enrolled_at as string)}
+                        </td>
+                      </tr>
+                    ))
+                  )}
                 </tbody>
               </table>
             </div>
@@ -152,14 +201,16 @@ export default async function CourseDetailPage({ params }: PageProps) {
           <CardHeader className="flex flex-row items-center justify-between">
             <CardTitle>Termine</CardTitle>
             <Link href={`/home/${account}/courses/${courseId}/attendance`}>
-              <Button variant="outline" size="sm">Anwesenheit</Button>
+              <Button variant="outline" size="sm">
+                Anwesenheit
+              </Button>
             </Link>
           </CardHeader>
           <CardContent>
             <div className="rounded-md border">
               <table className="w-full text-sm">
                 <thead>
-                  <tr className="border-b bg-muted/50">
+                  <tr className="bg-muted/50 border-b">
                     <th className="p-3 text-left font-medium">Datum</th>
                     <th className="p-3 text-left font-medium">Beginn</th>
                     <th className="p-3 text-left font-medium">Ende</th>
@@ -168,15 +219,35 @@ export default async function CourseDetailPage({ params }: PageProps) {
                 </thead>
                 <tbody>
                   {sessions.length === 0 ? (
-                    <tr><td colSpan={4} className="p-6 text-center text-muted-foreground">Keine Termine</td></tr>
-                  ) : sessions.map((s: Record<string, unknown>) => (
-                    <tr key={String(s.id)} className="border-b hover:bg-muted/30">
-                      <td className="p-3">{s.session_date ? new Date(String(s.session_date)).toLocaleDateString('de-DE') : '—'}</td>
+                    <tr>
+                      <td
+                        colSpan={4}
+                        className="text-muted-foreground p-6 text-center"
+                      >
+                        Keine Termine
+                      </td>
+                    </tr>
+                  ) : (
+                    sessions.map((s: Record<string, unknown>) => (
+                      <tr
+                        key={String(s.id)}
+                        className="hover:bg-muted/30 border-b"
+                      >
+                        <td className="p-3">
+                          {formatDate(s.session_date as string)}
+                        </td>
                         <td className="p-3">{String(s.start_time ?? '—')}</td>
                         <td className="p-3">{String(s.end_time ?? '—')}</td>
-                      <td className="p-3">{s.cancelled ? <Badge variant="destructive">Ja</Badge> : '—'}</td>
+                        <td className="p-3">
+                          {s.cancelled ? (
+                            <Badge variant="destructive">Ja</Badge>
+                          ) : (
+                            '—'
+                          )}
+                        </td>
                       </tr>
-                  ))}
+                    ))
+                  )}
                 </tbody>
               </table>
             </div>

apps/web/app/[locale]/home/[account]/courses/[courseId]/participants/page.tsx

@@ -2,13 +2,14 @@ import Link from 'next/link';
 
 import { Plus, Users } from 'lucide-react';
 
+import { createCourseManagementApi } from '@kit/course-management/api';
+import { formatDate } from '@kit/shared/dates';
 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 { createCourseManagementApi } from '@kit/course-management/api';
-
+import { AccountNotFound } from '~/components/account-not-found';
 import { CmsPageShell } from '~/components/cms-page-shell';
 import { EmptyState } from '~/components/empty-state';
 
@@ -16,7 +17,10 @@ interface PageProps {
   params: Promise<{ account: string; courseId: string }>;
 }
 
-const STATUS_VARIANT: Record<string, 'secondary' | 'default' | 'info' | 'outline' | 'destructive'> = {
+const STATUS_VARIANT: Record<
+  string,
+  'secondary' | 'default' | 'info' | 'outline' | 'destructive'
+> = {
   enrolled: 'default',
   waitlisted: 'secondary',
   cancelled: 'destructive',
@@ -40,7 +44,7 @@ export default async function ParticipantsPage({ params }: PageProps) {
     api.getParticipants(courseId),
   ]);
 
-  if (!course) return <div>Kurs nicht gefunden</div>;
+  if (!course) return <AccountNotFound />;
 
   return (
     <CmsPageShell account={account} title="Teilnehmer">
@@ -49,10 +53,11 @@ export default async function ParticipantsPage({ params }: PageProps) {
           <div>
             <h1 className="text-2xl font-bold">Teilnehmer</h1>
             <p className="text-muted-foreground">
-              {String((course as Record<string, unknown>).name)} — {participants.length} Teilnehmer
+              {String((course as Record<string, unknown>).name)} —{' '}
+              {participants.length} Teilnehmer
             </p>
           </div>
-          <Button>
+          <Button data-test="participants-add-btn">
             <Plus className="mr-2 h-4 w-4" />
             Teilnehmer anmelden
           </Button>
@@ -74,31 +79,39 @@ export default async function ParticipantsPage({ params }: PageProps) {
               <div className="rounded-md border">
                 <table className="w-full text-sm">
                   <thead>
-                    <tr className="border-b bg-muted/50">
+                    <tr className="bg-muted/50 border-b">
                       <th className="p-3 text-left font-medium">Name</th>
                       <th className="p-3 text-left font-medium">E-Mail</th>
                       <th className="p-3 text-left font-medium">Telefon</th>
                       <th className="p-3 text-left font-medium">Status</th>
-                      <th className="p-3 text-left font-medium">Anmeldedatum</th>
+                      <th className="p-3 text-left font-medium">
+                        Anmeldedatum
+                      </th>
                     </tr>
                   </thead>
                   <tbody>
                     {participants.map((p: Record<string, unknown>) => (
-                      <tr key={String(p.id)} className="border-b hover:bg-muted/30">
+                      <tr
+                        key={String(p.id)}
+                        className="hover:bg-muted/30 border-b"
+                      >
                         <td className="p-3 font-medium">
-                          {String(p.last_name ?? '')}, {String(p.first_name ?? '')}
+                          {String(p.last_name ?? '')},{' '}
+                          {String(p.first_name ?? '')}
                         </td>
                         <td className="p-3">{String(p.email ?? '—')}</td>
                         <td className="p-3">{String(p.phone ?? '—')}</td>
                         <td className="p-3">
-                          <Badge variant={STATUS_VARIANT[String(p.status)] ?? 'secondary'}>
+                          <Badge
+                            variant={
+                              STATUS_VARIANT[String(p.status)] ?? 'secondary'
+                            }
+                          >
                             {STATUS_LABEL[String(p.status)] ?? String(p.status)}
                           </Badge>
                         </td>
                         <td className="p-3">
-                          {p.enrolled_at
-                            ? new Date(String(p.enrolled_at)).toLocaleDateString('de-DE')
-                            : '—'}
+                          {formatDate(p.enrolled_at as string)}
                         </td>
                       </tr>
                     ))}

apps/web/app/[locale]/home/[account]/courses/calendar/page.tsx

@@ -2,15 +2,15 @@ import Link from 'next/link';
 
 import { ArrowLeft, ChevronLeft, ChevronRight } from 'lucide-react';
 
+import { createCourseManagementApi } from '@kit/course-management/api';
+import { formatDate } from '@kit/shared/dates';
 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 { createCourseManagementApi } from '@kit/course-management/api';
-
-import { CmsPageShell } from '~/components/cms-page-shell';
 import { AccountNotFound } from '~/components/account-not-found';
+import { CmsPageShell } from '~/components/cms-page-shell';
 
 interface PageProps {
   params: Promise<{ account: string }>;
@@ -67,10 +67,14 @@ export default async function CourseCalendarPage({ params }: PageProps) {
   const courseDates = new Set<number>();
 
   for (const course of courses.data) {
-    const c = course as Record<string, unknown>;
-    if (c.status === 'cancelled') continue;
-    const startDate = c.start_date ? new Date(String(c.start_date)) : null;
-    const endDate = c.end_date ? new Date(String(c.end_date)) : null;
+    const courseItem = course as Record<string, unknown>;
+    if (courseItem.status === 'cancelled') continue;
+    const startDate = courseItem.start_date
+      ? new Date(String(courseItem.start_date))
+      : null;
+    const endDate = courseItem.end_date
+      ? new Date(String(courseItem.end_date))
+      : null;
 
     if (!startDate) continue;
 
@@ -86,7 +90,11 @@ export default async function CourseCalendarPage({ params }: PageProps) {
   }
 
   // Build calendar grid
-  const cells: Array<{ day: number | null; hasCourse: boolean; isToday: boolean }> = [];
+  const cells: Array<{
+    day: number | null;
+    hasCourse: boolean;
+    isToday: boolean;
+  }> = [];
 
   for (let i = 0; i < firstWeekday; i++) {
     cells.push({ day: null, hasCourse: false, isToday: false });
@@ -96,7 +104,10 @@ export default async function CourseCalendarPage({ params }: PageProps) {
     cells.push({
       day: d,
       hasCourse: courseDates.has(d),
-      isToday: d === now.getDate() && month === now.getMonth() && year === now.getFullYear(),
+      isToday:
+        d === now.getDate() &&
+        month === now.getMonth() &&
+        year === now.getFullYear(),
     });
   }
 
@@ -105,8 +116,8 @@ export default async function CourseCalendarPage({ params }: PageProps) {
   }
 
   const activeCourses = courses.data.filter(
-    (c: Record<string, unknown>) =>
-      c.status === 'open' || c.status === 'running',
+    (courseItem: Record<string, unknown>) =>
+      courseItem.status === 'open' || courseItem.status === 'running',
   );
 
   return (
@@ -120,9 +131,7 @@ export default async function CourseCalendarPage({ params }: PageProps) {
                 <ArrowLeft className="h-4 w-4" />
               </Button>
             </Link>
-            <p className="text-muted-foreground">
-              Kurstermine im Überblick
-            </p>
+            <p className="text-muted-foreground">Kurstermine im Überblick</p>
           </div>
         </div>
 
@@ -143,11 +152,11 @@ export default async function CourseCalendarPage({ params }: PageProps) {
           </CardHeader>
           <CardContent>
             {/* Weekday Header */}
-            <div className="grid grid-cols-7 gap-1 mb-1">
+            <div className="mb-1 grid grid-cols-7 gap-1">
               {WEEKDAYS.map((day) => (
                 <div
                   key={day}
-                  className="text-center text-xs font-medium text-muted-foreground py-2"
+                  className="text-muted-foreground py-2 text-center text-xs font-medium"
                 >
                   {day}
                 </div>
@@ -163,15 +172,15 @@ export default async function CourseCalendarPage({ params }: PageProps) {
                     cell.day === null
                       ? 'bg-transparent'
                       : cell.hasCourse
-                        ? 'bg-emerald-500/15 text-emerald-700 dark:text-emerald-400 font-semibold'
+                        ? 'bg-emerald-500/15 font-semibold text-emerald-700 dark:text-emerald-400'
                         : 'bg-muted/30 hover:bg-muted/50'
-                  } ${cell.isToday ? 'ring-2 ring-primary ring-offset-1' : ''}`}
+                  } ${cell.isToday ? 'ring-primary ring-2 ring-offset-1' : ''}`}
                 >
                   {cell.day !== null && (
                     <>
                       <span>{cell.day}</span>
                       {cell.hasCourse && (
-                        <span className="absolute bottom-1 left-1/2 -translate-x-1/2 h-1.5 w-1.5 rounded-full bg-emerald-500" />
+                        <span className="absolute bottom-1 left-1/2 h-1.5 w-1.5 -translate-x-1/2 rounded-full bg-emerald-500" />
                       )}
                     </>
                   )}
@@ -180,17 +189,17 @@ export default async function CourseCalendarPage({ params }: PageProps) {
             </div>
 
             {/* Legend */}
-            <div className="mt-4 flex items-center gap-4 text-xs text-muted-foreground">
+            <div className="text-muted-foreground mt-4 flex items-center gap-4 text-xs">
               <div className="flex items-center gap-1.5">
                 <span className="inline-block h-3 w-3 rounded-sm bg-emerald-500/15" />
                 Kurstag
               </div>
               <div className="flex items-center gap-1.5">
-                <span className="inline-block h-3 w-3 rounded-sm bg-muted/30" />
+                <span className="bg-muted/30 inline-block h-3 w-3 rounded-sm" />
                 Frei
               </div>
               <div className="flex items-center gap-1.5">
-                <span className="inline-block h-3 w-3 rounded-sm ring-2 ring-primary" />
+                <span className="ring-primary inline-block h-3 w-3 rounded-sm ring-2" />
                 Heute
               </div>
             </div>
@@ -204,7 +213,7 @@ export default async function CourseCalendarPage({ params }: PageProps) {
           </CardHeader>
           <CardContent>
             {activeCourses.length === 0 ? (
-              <p className="text-sm text-muted-foreground">
+              <p className="text-muted-foreground text-sm">
                 Keine aktiven Kurse in diesem Monat.
               </p>
             ) : (
@@ -221,18 +230,19 @@ export default async function CourseCalendarPage({ params }: PageProps) {
                       >
                         {String(course.name)}
                       </Link>
-                      <p className="text-xs text-muted-foreground">
-                        {course.start_date
-                          ? new Date(String(course.start_date)).toLocaleDateString('de-DE')
-                          : '—'}{' '}
-                        –{' '}
-                        {course.end_date
-                          ? new Date(String(course.end_date)).toLocaleDateString('de-DE')
-                          : '—'}
+                      <p className="text-muted-foreground text-xs">
+                        {formatDate(course.start_date as string)} –{' '}
+                        {formatDate(course.end_date as string)}
                       </p>
                     </div>
-                    <Badge variant={String(course.status) === 'running' ? 'info' : 'default'}>
-                      {String(course.status) === 'running' ? 'Laufend' : 'Offen'}
+                    <Badge
+                      variant={
+                        String(course.status) === 'running' ? 'info' : 'default'
+                      }
+                    >
+                      {String(course.status) === 'running'
+                        ? 'Laufend'
+                        : 'Offen'}
                     </Badge>
                   </div>
                 ))}

apps/web/app/[locale]/home/[account]/courses/categories/page.tsx

@@ -1,14 +1,13 @@
 import { FolderTree, Plus } from 'lucide-react';
 
+import { createCourseManagementApi } from '@kit/course-management/api';
 import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { Button } from '@kit/ui/button';
 import { Card, CardContent, CardHeader, CardTitle } from '@kit/ui/card';
 
-import { createCourseManagementApi } from '@kit/course-management/api';
-
+import { AccountNotFound } from '~/components/account-not-found';
 import { CmsPageShell } from '~/components/cms-page-shell';
 import { EmptyState } from '~/components/empty-state';
-import { AccountNotFound } from '~/components/account-not-found';
 
 interface PageProps {
   params: Promise<{ account: string }>;
@@ -34,7 +33,7 @@ export default async function CategoriesPage({ params }: PageProps) {
       <div className="flex w-full flex-col gap-6">
         <div className="flex items-center justify-between">
           <p className="text-muted-foreground">Kurskategorien verwalten</p>
-          <Button>
+          <Button data-test="categories-new-btn">
             <Plus className="mr-2 h-4 w-4" />
             Neue Kategorie
           </Button>
@@ -56,17 +55,24 @@ export default async function CategoriesPage({ params }: PageProps) {
               <div className="rounded-md border">
                 <table className="w-full text-sm">
                   <thead>
-                    <tr className="border-b bg-muted/50">
+                    <tr className="bg-muted/50 border-b">
                       <th className="p-3 text-left font-medium">Name</th>
-                      <th className="p-3 text-left font-medium">Beschreibung</th>
-                      <th className="p-3 text-left font-medium">Übergeordnet</th>
+                      <th className="p-3 text-left font-medium">
+                        Beschreibung
+                      </th>
+                      <th className="p-3 text-left font-medium">
+                        Übergeordnet
+                      </th>
                     </tr>
                   </thead>
                   <tbody>
                     {categories.map((cat: Record<string, unknown>) => (
-                      <tr key={String(cat.id)} className="border-b hover:bg-muted/30">
+                      <tr
+                        key={String(cat.id)}
+                        className="hover:bg-muted/30 border-b"
+                      >
                         <td className="p-3 font-medium">{String(cat.name)}</td>
-                        <td className="p-3 text-muted-foreground">
+                        <td className="text-muted-foreground p-3">
                           {String(cat.description ?? '—')}
                         </td>
                         <td className="p-3">{String(cat.parent_id ?? '—')}</td>

apps/web/app/[locale]/home/[account]/courses/instructors/page.tsx

@@ -1,14 +1,13 @@
 import { GraduationCap, Plus } from 'lucide-react';
 
+import { createCourseManagementApi } from '@kit/course-management/api';
 import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { Button } from '@kit/ui/button';
 import { Card, CardContent, CardHeader, CardTitle } from '@kit/ui/card';
 
-import { createCourseManagementApi } from '@kit/course-management/api';
-
+import { AccountNotFound } from '~/components/account-not-found';
 import { CmsPageShell } from '~/components/cms-page-shell';
 import { EmptyState } from '~/components/empty-state';
-import { AccountNotFound } from '~/components/account-not-found';
 
 interface PageProps {
   params: Promise<{ account: string }>;
@@ -34,7 +33,7 @@ export default async function InstructorsPage({ params }: PageProps) {
       <div className="flex w-full flex-col gap-6">
         <div className="flex items-center justify-between">
           <p className="text-muted-foreground">Dozentenpool verwalten</p>
-          <Button>
+          <Button data-test="instructors-new-btn">
             <Plus className="mr-2 h-4 w-4" />
             Neuer Dozent
           </Button>
@@ -56,23 +55,33 @@ export default async function InstructorsPage({ params }: PageProps) {
               <div className="rounded-md border">
                 <table className="w-full text-sm">
                   <thead>
-                    <tr className="border-b bg-muted/50">
+                    <tr className="bg-muted/50 border-b">
                       <th className="p-3 text-left font-medium">Name</th>
                       <th className="p-3 text-left font-medium">E-Mail</th>
                       <th className="p-3 text-left font-medium">Telefon</th>
-                      <th className="p-3 text-left font-medium">Qualifikation</th>
-                      <th className="p-3 text-right font-medium">Stundensatz</th>
+                      <th className="p-3 text-left font-medium">
+                        Qualifikation
+                      </th>
+                      <th className="p-3 text-right font-medium">
+                        Stundensatz
+                      </th>
                     </tr>
                   </thead>
                   <tbody>
                     {instructors.map((inst: Record<string, unknown>) => (
-                      <tr key={String(inst.id)} className="border-b hover:bg-muted/30">
+                      <tr
+                        key={String(inst.id)}
+                        className="hover:bg-muted/30 border-b"
+                      >
                         <td className="p-3 font-medium">
-                          {String(inst.last_name ?? '')}, {String(inst.first_name ?? '')}
+                          {String(inst.last_name ?? '')},{' '}
+                          {String(inst.first_name ?? '')}
                         </td>
                         <td className="p-3">{String(inst.email ?? '—')}</td>
                         <td className="p-3">{String(inst.phone ?? '—')}</td>
-                        <td className="p-3">{String(inst.qualification ?? '—')}</td>
+                        <td className="p-3">
+                          {String(inst.qualification ?? '—')}
+                        </td>
                         <td className="p-3 text-right">
                           {inst.hourly_rate != null
                             ? `${Number(inst.hourly_rate).toFixed(2)} €`

apps/web/app/[locale]/home/[account]/courses/locations/page.tsx

@@ -1,14 +1,13 @@
 import { MapPin, Plus } from 'lucide-react';
 
+import { createCourseManagementApi } from '@kit/course-management/api';
 import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { Button } from '@kit/ui/button';
 import { Card, CardContent, CardHeader, CardTitle } from '@kit/ui/card';
 
-import { createCourseManagementApi } from '@kit/course-management/api';
-
+import { AccountNotFound } from '~/components/account-not-found';
 import { CmsPageShell } from '~/components/cms-page-shell';
 import { EmptyState } from '~/components/empty-state';
-import { AccountNotFound } from '~/components/account-not-found';
 
 interface PageProps {
   params: Promise<{ account: string }>;
@@ -33,8 +32,10 @@ export default async function LocationsPage({ params }: PageProps) {
     <CmsPageShell account={account} title="Orte">
       <div className="flex w-full flex-col gap-6">
         <div className="flex items-center justify-between">
-          <p className="text-muted-foreground">Kurs- und Veranstaltungsorte verwalten</p>
-          <Button>
+          <p className="text-muted-foreground">
+            Kurs- und Veranstaltungsorte verwalten
+          </p>
+          <Button data-test="locations-new-btn">
             <Plus className="mr-2 h-4 w-4" />
             Neuer Ort
           </Button>
@@ -56,7 +57,7 @@ export default async function LocationsPage({ params }: PageProps) {
               <div className="rounded-md border">
                 <table className="w-full text-sm">
                   <thead>
-                    <tr className="border-b bg-muted/50">
+                    <tr className="bg-muted/50 border-b">
                       <th className="p-3 text-left font-medium">Name</th>
                       <th className="p-3 text-left font-medium">Adresse</th>
                       <th className="p-3 text-left font-medium">Raum</th>
@@ -65,7 +66,10 @@ export default async function LocationsPage({ params }: PageProps) {
                   </thead>
                   <tbody>
                     {locations.map((loc: Record<string, unknown>) => (
-                      <tr key={String(loc.id)} className="border-b hover:bg-muted/30">
+                      <tr
+                        key={String(loc.id)}
+                        className="hover:bg-muted/30 border-b"
+                      >
                         <td className="p-3 font-medium">{String(loc.name)}</td>
                         <td className="p-3">
                           {[loc.street, loc.postal_code, loc.city]
@@ -74,7 +78,9 @@ export default async function LocationsPage({ params }: PageProps) {
                             .join(', ') || '—'}
                         </td>
                         <td className="p-3">{String(loc.room ?? '—')}</td>
-                        <td className="p-3 text-right">{String(loc.capacity ?? '—')}</td>
+                        <td className="p-3 text-right">
+                          {String(loc.capacity ?? '—')}
+                        </td>
                       </tr>
                     ))}
                   </tbody>

apps/web/app/[locale]/home/[account]/courses/new/page.tsx

@@ -1,18 +1,29 @@
-import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { CreateCourseForm } from '@kit/course-management/components';
-import { CmsPageShell } from '~/components/cms-page-shell';
-import { AccountNotFound } from '~/components/account-not-found';
+import { getSupabaseServerClient } from '@kit/supabase/server-client';
 
-interface Props { params: Promise<{ account: string }> }
+import { AccountNotFound } from '~/components/account-not-found';
+import { CmsPageShell } from '~/components/cms-page-shell';
+
+interface Props {
+  params: Promise<{ account: string }>;
+}
 
 export default async function NewCoursePage({ params }: Props) {
   const { account } = await params;
   const client = getSupabaseServerClient();
-  const { data: acct } = await client.from('accounts').select('id').eq('slug', account).single();
+  const { data: acct } = await client
+    .from('accounts')
+    .select('id')
+    .eq('slug', account)
+    .single();
   if (!acct) return <AccountNotFound />;
 
   return (
-    <CmsPageShell account={account} title="Neuer Kurs" description="Kurs anlegen">
+    <CmsPageShell
+      account={account}
+      title="Neuer Kurs"
+      description="Kurs anlegen"
+    >
       <CreateCourseForm accountId={acct.id} account={account} />
     </CmsPageShell>
   );

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

@@ -1,19 +1,30 @@
 import Link from 'next/link';
 
-import { ChevronLeft, ChevronRight, GraduationCap, Plus, Users, Calendar, Euro } from 'lucide-react';
+import {
+  ChevronLeft,
+  ChevronRight,
+  GraduationCap,
+  Plus,
+  Users,
+  Calendar,
+  Euro,
+} from 'lucide-react';
 
+import { createCourseManagementApi } from '@kit/course-management/api';
+import { formatDate } from '@kit/shared/dates';
 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 { createCourseManagementApi } from '@kit/course-management/api';
-
+import { AccountNotFound } from '~/components/account-not-found';
 import { CmsPageShell } from '~/components/cms-page-shell';
 import { EmptyState } from '~/components/empty-state';
 import { StatsCard } from '~/components/stats-card';
-import { AccountNotFound } from '~/components/account-not-found';
-import { COURSE_STATUS_VARIANT, COURSE_STATUS_LABEL } from '~/lib/status-badges';
+import {
+  COURSE_STATUS_VARIANT,
+  COURSE_STATUS_LABEL,
+} from '~/lib/status-badges';
 
 interface PageProps {
   params: Promise<{ account: string }>;
@@ -50,12 +61,10 @@ export default async function CoursesPage({ params, searchParams }: PageProps) {
       <div className="flex w-full flex-col gap-6">
         {/* Header */}
         <div className="flex items-center justify-between">
-          <p className="text-muted-foreground">
-            Kursangebot verwalten
-          </p>
+          <p className="text-muted-foreground">Kursangebot verwalten</p>
 
           <Link href={`/home/${account}/courses/new`}>
-            <Button>
+            <Button data-test="courses-new-btn">
               <Plus className="mr-2 h-4 w-4" />
               Neuer Kurs
             </Button>
@@ -104,7 +113,7 @@ export default async function CoursesPage({ params, searchParams }: PageProps) {
               <div className="rounded-md border">
                 <table className="w-full text-sm">
                   <thead>
-                    <tr className="border-b bg-muted/50">
+                    <tr className="bg-muted/50 border-b">
                       <th className="p-3 text-left font-medium">Kursnr.</th>
                       <th className="p-3 text-left font-medium">Name</th>
                       <th className="p-3 text-left font-medium">Beginn</th>
@@ -116,7 +125,10 @@ export default async function CoursesPage({ params, searchParams }: PageProps) {
                   </thead>
                   <tbody>
                     {courses.data.map((course: Record<string, unknown>) => (
-                      <tr key={String(course.id)} className="border-b hover:bg-muted/30">
+                      <tr
+                        key={String(course.id)}
+                        className="hover:bg-muted/30 border-b"
+                      >
                         <td className="p-3 font-mono text-xs">
                           {String(course.course_number ?? '—')}
                         </td>
@@ -129,20 +141,20 @@ export default async function CoursesPage({ params, searchParams }: PageProps) {
                           </Link>
                         </td>
                         <td className="p-3">
-                          {course.start_date
-                            ? new Date(String(course.start_date)).toLocaleDateString('de-DE')
-                            : '—'}
+                          {formatDate(course.start_date as string)}
                         </td>
                         <td className="p-3">
-                          {course.end_date
-                            ? new Date(String(course.end_date)).toLocaleDateString('de-DE')
-                            : '—'}
+                          {formatDate(course.end_date as string)}
                         </td>
                         <td className="p-3">
                           <Badge
-                            variant={COURSE_STATUS_VARIANT[String(course.status)] ?? 'secondary'}
+                            variant={
+                              COURSE_STATUS_VARIANT[String(course.status)] ??
+                              'secondary'
+                            }
                           >
-                            {COURSE_STATUS_LABEL[String(course.status)] ?? String(course.status)}
+                            {COURSE_STATUS_LABEL[String(course.status)] ??
+                              String(course.status)}
                           </Badge>
                         </td>
                         <td className="p-3 text-right">
@@ -164,7 +176,7 @@ export default async function CoursesPage({ params, searchParams }: PageProps) {
               {/* Pagination */}
               {totalPages > 1 && (
                 <div className="flex items-center justify-between border-t px-2 py-4">
-                  <p className="text-sm text-muted-foreground">
+                  <p className="text-muted-foreground text-sm">
                     Seite {page} von {totalPages} ({courses.total} Einträge)
                   </p>
                   <div className="flex items-center gap-2">

apps/web/app/[locale]/home/[account]/courses/statistics/page.tsx

@@ -1,14 +1,19 @@
-import { GraduationCap, Users, Calendar, TrendingUp, BarChart3 } from 'lucide-react';
+import {
+  GraduationCap,
+  Users,
+  Calendar,
+  TrendingUp,
+  BarChart3,
+} from 'lucide-react';
 
+import { createCourseManagementApi } from '@kit/course-management/api';
 import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { Card, CardContent, CardHeader, CardTitle } from '@kit/ui/card';
 
-import { createCourseManagementApi } from '@kit/course-management/api';
-
+import { AccountNotFound } from '~/components/account-not-found';
 import { CmsPageShell } from '~/components/cms-page-shell';
 import { StatsCard } from '~/components/stats-card';
 import { StatsBarChart, StatsPieChart } from '~/components/stats-charts';
-import { AccountNotFound } from '~/components/account-not-found';
 
 interface PageProps {
   params: Promise<{ account: string }>;
@@ -18,7 +23,11 @@ export default async function CourseStatisticsPage({ params }: PageProps) {
   const { account } = await params;
   const client = getSupabaseServerClient();
 
-  const { data: acct } = await client.from('accounts').select('id').eq('slug', account).single();
+  const { data: acct } = await client
+    .from('accounts')
+    .select('id')
+    .eq('slug', account)
+    .single();
   if (!acct) return <AccountNotFound />;
 
   const api = createCourseManagementApi(client);
@@ -34,10 +43,26 @@ export default async function CourseStatisticsPage({ params }: PageProps) {
     <CmsPageShell account={account} title="Kurs-Statistiken">
       <div className="flex w-full flex-col gap-6">
         <div className="grid grid-cols-1 gap-4 sm:grid-cols-2 lg:grid-cols-4">
-          <StatsCard title="Kurse gesamt" value={stats.totalCourses} icon={<GraduationCap className="h-5 w-5" />} />
-          <StatsCard title="Aktive Kurse" value={stats.openCourses} icon={<Calendar className="h-5 w-5" />} />
-          <StatsCard title="Teilnehmer" value={stats.totalParticipants} icon={<Users className="h-5 w-5" />} />
-          <StatsCard title="Abgeschlossen" value={stats.completedCourses} icon={<TrendingUp className="h-5 w-5" />} />
+          <StatsCard
+            title="Kurse gesamt"
+            value={stats.totalCourses}
+            icon={<GraduationCap className="h-5 w-5" />}
+          />
+          <StatsCard
+            title="Aktive Kurse"
+            value={stats.openCourses}
+            icon={<Calendar className="h-5 w-5" />}
+          />
+          <StatsCard
+            title="Teilnehmer"
+            value={stats.totalParticipants}
+            icon={<Users className="h-5 w-5" />}
+          />
+          <StatsCard
+            title="Abgeschlossen"
+            value={stats.completedCourses}
+            icon={<TrendingUp className="h-5 w-5" />}
+          />
         </div>
 
         <div className="grid grid-cols-1 gap-6 lg:grid-cols-2">

apps/web/app/[locale]/home/[account]/documents/_components/generate-document-form.tsx

@@ -68,12 +68,13 @@ export function GenerateDocumentForm({ accountSlug, initialType }: Props) {
         <select
           id="documentType"
           name="documentType"
+          data-test="document-type-select"
           value={selectedType}
           onChange={(e) => {
             setSelectedType(e.target.value);
             setResult(null);
           }}
-          className="border-input bg-background ring-offset-background placeholder:text-muted-foreground focus-visible:ring-ring flex h-10 w-full rounded-md border px-3 py-2 text-sm focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-offset-2"
+          className="border-input bg-background ring-offset-background placeholder:text-muted-foreground focus-visible:ring-ring flex h-10 w-full rounded-md border px-3 py-2 text-sm focus-visible:ring-2 focus-visible:ring-offset-2 focus-visible:outline-none"
         >
           <option value="member-card">Mitgliedsausweis</option>
           <option value="invoice">Rechnung</option>
@@ -92,7 +93,8 @@ export function GenerateDocumentForm({ accountSlug, initialType }: Props) {
             <p className="font-medium">Demnächst verfügbar</p>
             <p className="mt-1 text-amber-700 dark:text-amber-300">
               Die Generierung von &ldquo;{DOCUMENT_LABELS[selectedType]}&rdquo;
-              befindet sich noch in Entwicklung und wird in Kürze verfügbar sein.
+              befindet sich noch in Entwicklung und wird in Kürze verfügbar
+              sein.
             </p>
           </div>
         </div>
@@ -118,7 +120,7 @@ export function GenerateDocumentForm({ accountSlug, initialType }: Props) {
             id="format"
             name="format"
             disabled={isPending}
-            className="border-input bg-background ring-offset-background placeholder:text-muted-foreground focus-visible:ring-ring flex h-10 w-full rounded-md border px-3 py-2 text-sm focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-offset-2 disabled:opacity-50"
+            className="border-input bg-background ring-offset-background placeholder:text-muted-foreground focus-visible:ring-ring flex h-10 w-full rounded-md border px-3 py-2 text-sm focus-visible:ring-2 focus-visible:ring-offset-2 focus-visible:outline-none disabled:opacity-50"
           >
             <option value="A4">A4</option>
             <option value="A5">A5</option>
@@ -131,7 +133,7 @@ export function GenerateDocumentForm({ accountSlug, initialType }: Props) {
             id="orientation"
             name="orientation"
             disabled={isPending}
-            className="border-input bg-background ring-offset-background placeholder:text-muted-foreground focus-visible:ring-ring flex h-10 w-full rounded-md border px-3 py-2 text-sm focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-offset-2 disabled:opacity-50"
+            className="border-input bg-background ring-offset-background placeholder:text-muted-foreground focus-visible:ring-ring flex h-10 w-full rounded-md border px-3 py-2 text-sm focus-visible:ring-2 focus-visible:ring-offset-2 focus-visible:outline-none disabled:opacity-50"
           >
             <option value="portrait">Hochformat</option>
             <option value="landscape">Querformat</option>
@@ -140,7 +142,7 @@ export function GenerateDocumentForm({ accountSlug, initialType }: Props) {
       </div>
 
       {/* Hint */}
-      <div className="text-muted-foreground rounded-md bg-muted/50 p-4 text-sm">
+      <div className="text-muted-foreground bg-muted/50 rounded-md p-4 text-sm">
         <p>
           <strong>Hinweis:</strong>{' '}
           {selectedType === 'member-card'
@@ -189,7 +191,11 @@ export function GenerateDocumentForm({ accountSlug, initialType }: Props) {
 
       {/* Submit button */}
       <div className="flex justify-end">
-        <Button type="submit" disabled={isPending || isComingSoon}>
+        <Button
+          type="submit"
+          data-test="document-generate-btn"
+          disabled={isPending || isComingSoon}
+        >
           {isPending ? (
             <>
               <Loader2 className="mr-2 h-4 w-4 animate-spin" />
@@ -211,11 +217,7 @@ export function GenerateDocumentForm({ accountSlug, initialType }: Props) {
  * Trigger a browser download from a base64 string.
  * Uses an anchor element with the download attribute set to the full filename.
  */
-function downloadFile(
-  base64Data: string,
-  mimeType: string,
-  fileName: string,
-) {
+function downloadFile(base64Data: string, mimeType: string, fileName: string) {
   const byteCharacters = atob(base64Data);
   const byteNumbers = new Array(byteCharacters.length);
   for (let i = 0; i < byteCharacters.length; i++) {

apps/web/app/[locale]/home/[account]/documents/_lib/server/generate-document.ts

@@ -2,8 +2,10 @@
 
 import React from 'react';
 
-import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { createDocumentGeneratorApi } from '@kit/document-generator/api';
+import { formatDate } from '@kit/shared/dates';
+import { getLogger } from '@kit/shared/logger';
+import { getSupabaseServerClient } from '@kit/supabase/server-client';
 
 export type GenerateDocumentInput = {
   accountSlug: string;
@@ -55,7 +57,11 @@ export async function generateDocumentAction(
         return { success: false, error: 'Unbekannter Dokumenttyp.' };
     }
   } catch (err) {
-    console.error('Document generation error:', err);
+    const logger = await getLogger();
+    logger.error(
+      { error: err, context: 'document-generation' },
+      'Document generation error',
+    );
     return {
       success: false,
       error: err instanceof Error ? err.message : 'Unbekannter Fehler.',
@@ -73,8 +79,7 @@ const LABELS: Record<string, string> = {
 };
 
 function fmtDate(d: string | null): string {
-  if (!d) return '–';
-  try { return new Date(d).toLocaleDateString('de-DE'); } catch { return d; }
+  return formatDate(d);
 }
 
 // ═══════════════════════════════════════════════════════════════════════════
@@ -88,16 +93,28 @@ async function generateMemberCards(
 ): Promise<GenerateDocumentResult> {
   const { data: members, error } = await client
     .from('members')
-    .select('id, member_number, first_name, last_name, entry_date, status, date_of_birth, street, house_number, postal_code, city, email')
+    .select(
+      'id, member_number, first_name, last_name, entry_date, status, date_of_birth, street, house_number, postal_code, city, email',
+    )
     .eq('account_id', accountId)
     .eq('status', 'active')
     .order('last_name');
 
   if (error) return { success: false, error: `DB-Fehler: ${error.message}` };
-  if (!members?.length) return { success: false, error: 'Keine aktiven Mitglieder.' };
+  if (!members?.length)
+    return { success: false, error: 'Keine aktiven Mitglieder.' };
 
-  const { Document, Page, View, Text, StyleSheet, renderToBuffer, Svg, Rect, Circle } =
-    await import('@react-pdf/renderer');
+  const {
+    Document,
+    Page,
+    View,
+    Text,
+    StyleSheet,
+    renderToBuffer,
+    Svg,
+    Rect,
+    Circle,
+  } = await import('@react-pdf/renderer');
 
   // — Brand colors (configurable later via account settings) —
   const PRIMARY = '#1e40af';
@@ -107,7 +124,13 @@ async function generateMemberCards(
   const LIGHT_GRAY = '#f1f5f9';
 
   const s = StyleSheet.create({
-    page: { padding: 24, flexDirection: 'row', flexWrap: 'wrap', gap: 16, fontFamily: 'Helvetica' },
+    page: {
+      padding: 24,
+      flexDirection: 'row',
+      flexWrap: 'wrap',
+      gap: 16,
+      fontFamily: 'Helvetica',
+    },
 
     // ── Card shell ──
     card: {
@@ -138,10 +161,22 @@ async function generateMemberCards(
       paddingHorizontal: 6,
       paddingVertical: 2,
     },
-    badgeText: { fontSize: 6, color: PRIMARY, fontFamily: 'Helvetica-Bold', textTransform: 'uppercase' as const, letterSpacing: 0.8 },
+    badgeText: {
+      fontSize: 6,
+      color: PRIMARY,
+      fontFamily: 'Helvetica-Bold',
+      textTransform: 'uppercase' as const,
+      letterSpacing: 0.8,
+    },
 
     // ── Main content ──
-    body: { flexDirection: 'row', paddingHorizontal: 14, paddingTop: 8, gap: 12, flex: 1 },
+    body: {
+      flexDirection: 'row',
+      paddingHorizontal: 14,
+      paddingTop: 8,
+      gap: 12,
+      flex: 1,
+    },
 
     // Photo column
     photoCol: { width: 64, alignItems: 'center' },
@@ -165,11 +200,22 @@ async function generateMemberCards(
 
     // Info column
     infoCol: { flex: 1, justifyContent: 'center' },
-    memberName: { fontSize: 14, fontFamily: 'Helvetica-Bold', color: DARK, marginBottom: 6 },
+    memberName: {
+      fontSize: 14,
+      fontFamily: 'Helvetica-Bold',
+      color: DARK,
+      marginBottom: 6,
+    },
 
     fieldGroup: { flexDirection: 'row', flexWrap: 'wrap', gap: 4 },
     field: { width: '48%', marginBottom: 5 },
-    fieldLabel: { fontSize: 6, color: GRAY, textTransform: 'uppercase' as const, letterSpacing: 0.6, marginBottom: 1 },
+    fieldLabel: {
+      fontSize: 6,
+      color: GRAY,
+      textTransform: 'uppercase' as const,
+      letterSpacing: 0.6,
+      marginBottom: 1,
+    },
     fieldValue: { fontSize: 8, color: DARK, fontFamily: 'Helvetica-Bold' },
 
     // ── Footer ──
@@ -184,10 +230,16 @@ async function generateMemberCards(
     },
     footerLeft: { fontSize: 6, color: GRAY },
     footerRight: { fontSize: 6, color: GRAY },
-    validDot: { width: 5, height: 5, borderRadius: 2.5, backgroundColor: '#22c55e', marginRight: 3 },
+    validDot: {
+      width: 5,
+      height: 5,
+      borderRadius: 2.5,
+      backgroundColor: '#22c55e',
+      marginRight: 3,
+    },
   });
 
-  const today = new Date().toLocaleDateString('de-DE');
+  const today = formatDate(new Date());
   const year = new Date().getFullYear();
   const cardsPerPage = 4;
   const pages: React.ReactElement[] = [];
@@ -198,52 +250,122 @@ async function generateMemberCards(
     pages.push(
       React.createElement(
         Page,
-        { key: `p${i}`, size: input.format === 'letter' ? 'LETTER' : (input.format.toUpperCase() as 'A4'|'A5'), orientation: input.orientation, style: s.page },
-        ...batch.map((m) =>
-          React.createElement(View, { key: m.id, style: s.card },
+        {
+          key: `p${i}`,
+          size:
+            input.format === 'letter'
+              ? 'LETTER'
+              : (input.format.toUpperCase() as 'A4' | 'A5'),
+          orientation: input.orientation,
+          style: s.page,
+        },
+        ...batch.map((memberItem) =>
+          React.createElement(
+            View,
+            { key: memberItem.id, style: s.card },
             // Accent bar
             React.createElement(View, { style: s.accentBar }),
 
             // Header
-            React.createElement(View, { style: s.header },
+            React.createElement(
+              View,
+              { style: s.header },
               React.createElement(Text, { style: s.clubName }, accountName),
-              React.createElement(View, { style: s.badge },
-                React.createElement(Text, { style: s.badgeText }, 'Mitgliedsausweis'),
+              React.createElement(
+                View,
+                { style: s.badge },
+                React.createElement(
+                  Text,
+                  { style: s.badgeText },
+                  'Mitgliedsausweis',
+                ),
               ),
             ),
 
             // Body: photo + info
-            React.createElement(View, { style: s.body },
+            React.createElement(
+              View,
+              { style: s.body },
               // Photo column
-              React.createElement(View, { style: s.photoCol },
-                React.createElement(View, { style: s.photoFrame },
+              React.createElement(
+                View,
+                { style: s.photoCol },
+                React.createElement(
+                  View,
+                  { style: s.photoFrame },
                   React.createElement(Text, { style: s.photoIcon }, '👤'),
                 ),
-                React.createElement(Text, { style: s.memberNumber }, `Nr. ${m.member_number ?? '–'}`),
+                React.createElement(
+                  Text,
+                  { style: s.memberNumber },
+                  `Nr. ${memberItem.member_number ?? '–'}`,
+                ),
               ),
 
               // Info column
-              React.createElement(View, { style: s.infoCol },
-                React.createElement(Text, { style: s.memberName }, `${m.first_name} ${m.last_name}`),
-                React.createElement(View, { style: s.fieldGroup },
+              React.createElement(
+                View,
+                { style: s.infoCol },
+                React.createElement(
+                  Text,
+                  { style: s.memberName },
+                  `${memberItem.first_name} ${memberItem.last_name}`,
+                ),
+                React.createElement(
+                  View,
+                  { style: s.fieldGroup },
                   // Entry date
-                  React.createElement(View, { style: s.field },
-                    React.createElement(Text, { style: s.fieldLabel }, 'Mitglied seit'),
-                    React.createElement(Text, { style: s.fieldValue }, fmtDate(m.entry_date)),
+                  React.createElement(
+                    View,
+                    { style: s.field },
+                    React.createElement(
+                      Text,
+                      { style: s.fieldLabel },
+                      'Mitglied seit',
+                    ),
+                    React.createElement(
+                      Text,
+                      { style: s.fieldValue },
+                      fmtDate(memberItem.entry_date),
+                    ),
                   ),
                   // Date of birth
-                  React.createElement(View, { style: s.field },
-                    React.createElement(Text, { style: s.fieldLabel }, 'Geb.-Datum'),
-                    React.createElement(Text, { style: s.fieldValue }, fmtDate(m.date_of_birth)),
+                  React.createElement(
+                    View,
+                    { style: s.field },
+                    React.createElement(
+                      Text,
+                      { style: s.fieldLabel },
+                      'Geb.-Datum',
+                    ),
+                    React.createElement(
+                      Text,
+                      { style: s.fieldValue },
+                      fmtDate(memberItem.date_of_birth),
+                    ),
                   ),
                   // Address
-                  React.createElement(View, { style: { ...s.field, width: '100%' } },
-                    React.createElement(Text, { style: s.fieldLabel }, 'Adresse'),
-                    React.createElement(Text, { style: s.fieldValue },
-                      [m.street, m.house_number].filter(Boolean).join(' ') || '–',
+                  React.createElement(
+                    View,
+                    { style: { ...s.field, width: '100%' } },
+                    React.createElement(
+                      Text,
+                      { style: s.fieldLabel },
+                      'Adresse',
                     ),
-                    React.createElement(Text, { style: { ...s.fieldValue, marginTop: 1 } },
-                      [m.postal_code, m.city].filter(Boolean).join(' ') || '',
+                    React.createElement(
+                      Text,
+                      { style: s.fieldValue },
+                      [memberItem.street, memberItem.house_number]
+                        .filter(Boolean)
+                        .join(' ') || '–',
+                    ),
+                    React.createElement(
+                      Text,
+                      { style: { ...s.fieldValue, marginTop: 1 } },
+                      [memberItem.postal_code, memberItem.city]
+                        .filter(Boolean)
+                        .join(' ') || '',
                     ),
                   ),
                 ),
@@ -251,12 +373,24 @@ async function generateMemberCards(
             ),
 
             // Footer
-            React.createElement(View, { style: s.footer },
-              React.createElement(View, { style: { flexDirection: 'row', alignItems: 'center' } },
+            React.createElement(
+              View,
+              { style: s.footer },
+              React.createElement(
+                View,
+                { style: { flexDirection: 'row', alignItems: 'center' } },
                 React.createElement(View, { style: s.validDot }),
-                React.createElement(Text, { style: s.footerLeft }, `Gültig ${year}/${year + 1}`),
+                React.createElement(
+                  Text,
+                  { style: s.footerLeft },
+                  `Gültig ${year}/${year + 1}`,
+                ),
+              ),
+              React.createElement(
+                Text,
+                { style: s.footerRight },
+                `Ausgestellt ${today}`,
               ),
-              React.createElement(Text, { style: s.footerRight }, `Ausgestellt ${today}`),
             ),
           ),
         ),
@@ -285,19 +419,32 @@ async function generateLabels(
 ): Promise<GenerateDocumentResult> {
   const { data: members, error } = await client
     .from('members')
-    .select('first_name, last_name, street, house_number, postal_code, city, salutation, title')
+    .select(
+      'first_name, last_name, street, house_number, postal_code, city, salutation, title',
+    )
     .eq('account_id', accountId)
     .eq('status', 'active')
     .order('last_name');
 
   if (error) return { success: false, error: `DB-Fehler: ${error.message}` };
-  if (!members?.length) return { success: false, error: 'Keine aktiven Mitglieder.' };
+  if (!members?.length)
+    return { success: false, error: 'Keine aktiven Mitglieder.' };
 
   const api = createDocumentGeneratorApi();
-  const records = members.map((m) => ({
-    line1: [m.salutation, m.title, m.first_name, m.last_name].filter(Boolean).join(' '),
-    line2: [m.street, m.house_number].filter(Boolean).join(' ') || undefined,
-    line3: [m.postal_code, m.city].filter(Boolean).join(' ') || undefined,
+  const records = members.map((record) => ({
+    line1: [
+      record.salutation,
+      record.title,
+      record.first_name,
+      record.last_name,
+    ]
+      .filter(Boolean)
+      .join(' '),
+    line2:
+      [record.street, record.house_number].filter(Boolean).join(' ') ||
+      undefined,
+    line3:
+      [record.postal_code, record.city].filter(Boolean).join(' ') || undefined,
   }));
 
   const html = api.generateLabelsHtml({ labelFormat: 'avery-l7163', records });
@@ -320,7 +467,9 @@ async function generateMemberReport(
 ): Promise<GenerateDocumentResult> {
   const { data: members, error } = await client
     .from('members')
-    .select('member_number, last_name, first_name, email, postal_code, city, status, entry_date')
+    .select(
+      'member_number, last_name, first_name, email, postal_code, city, status, entry_date',
+    )
     .eq('account_id', accountId)
     .order('last_name');
 
@@ -346,27 +495,42 @@ async function generateMemberReport(
 
   const hdr = ws.getRow(1);
   hdr.font = { bold: true, color: { argb: 'FFFFFFFF' } };
-  hdr.fill = { type: 'pattern', pattern: 'solid', fgColor: { argb: 'FF1E40AF' } };
+  hdr.fill = {
+    type: 'pattern',
+    pattern: 'solid',
+    fgColor: { argb: 'FF1E40AF' },
+  };
   hdr.alignment = { vertical: 'middle', horizontal: 'center' };
   hdr.height = 24;
 
-  const SL: Record<string, string> = { active: 'Aktiv', inactive: 'Inaktiv', pending: 'Ausstehend', resigned: 'Ausgetreten', excluded: 'Ausgeschlossen' };
+  const SL: Record<string, string> = {
+    active: 'Aktiv',
+    inactive: 'Inaktiv',
+    pending: 'Ausstehend',
+    resigned: 'Ausgetreten',
+    excluded: 'Ausgeschlossen',
+  };
 
-  for (const m of members) {
+  for (const member of members) {
     ws.addRow({
-      nr: m.member_number ?? '',
-      name: m.last_name,
-      vorname: m.first_name,
-      email: m.email ?? '',
-      plz: m.postal_code ?? '',
-      ort: m.city ?? '',
-      status: SL[m.status] ?? m.status,
-      eintritt: m.entry_date ? new Date(m.entry_date).toLocaleDateString('de-DE') : '',
+      nr: member.member_number ?? '',
+      name: member.last_name,
+      vorname: member.first_name,
+      email: member.email ?? '',
+      plz: member.postal_code ?? '',
+      ort: member.city ?? '',
+      status: SL[member.status] ?? member.status,
+      eintritt: member.entry_date ? formatDate(member.entry_date) : '',
     });
   }
 
   ws.eachRow((row, n) => {
-    if (n > 1 && n % 2 === 0) row.fill = { type: 'pattern', pattern: 'solid', fgColor: { argb: 'FFF1F5F9' } };
+    if (n > 1 && n % 2 === 0)
+      row.fill = {
+        type: 'pattern',
+        pattern: 'solid',
+        fgColor: { argb: 'FFF1F5F9' },
+      };
     row.border = { bottom: { style: 'thin', color: { argb: 'FFE2E8F0' } } };
   });
 
@@ -379,7 +543,8 @@ async function generateMemberReport(
   return {
     success: true,
     data: Buffer.from(buf as ArrayBuffer).toString('base64'),
-    mimeType: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
+    mimeType:
+      'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
     fileName: `${input.title || 'Mitgliederbericht'}.xlsx`,
   };
 }

apps/web/app/[locale]/home/[account]/documents/generate/page.tsx

@@ -13,10 +13,10 @@ import {
   CardTitle,
 } from '@kit/ui/card';
 
+import { AccountNotFound } from '~/components/account-not-found';
 import { CmsPageShell } from '~/components/cms-page-shell';
 
 import { GenerateDocumentForm } from '../_components/generate-document-form';
-import { AccountNotFound } from '~/components/account-not-found';
 
 interface PageProps {
   params: Promise<{ account: string }>;

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

@@ -13,8 +13,8 @@ import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { Button } from '@kit/ui/button';
 import { Card, CardContent, CardHeader, CardTitle } from '@kit/ui/card';
 
-import { CmsPageShell } from '~/components/cms-page-shell';
 import { AccountNotFound } from '~/components/account-not-found';
+import { CmsPageShell } from '~/components/cms-page-shell';
 
 interface PageProps {
   params: Promise<{ account: string }>;
@@ -40,32 +40,28 @@ const DOCUMENT_TYPES = [
   {
     id: 'labels',
     title: 'Etiketten',
-    description:
-      'Adressetiketten für Serienbriefe im Avery-Format drucken.',
+    description: 'Adressetiketten für Serienbriefe im Avery-Format drucken.',
     icon: Tag,
     color: 'text-orange-600 bg-orange-50',
   },
   {
     id: 'report',
     title: 'Bericht',
-    description:
-      'Statistische Auswertungen und Berichte als PDF oder Excel.',
+    description: 'Statistische Auswertungen und Berichte als PDF oder Excel.',
     icon: BarChart3,
     color: 'text-purple-600 bg-purple-50',
   },
   {
     id: 'letter',
     title: 'Brief',
-    description:
-      'Serienbriefe mit personalisierten Platzhaltern erstellen.',
+    description: 'Serienbriefe mit personalisierten Platzhaltern erstellen.',
     icon: Mail,
     color: 'text-rose-600 bg-rose-50',
   },
   {
     id: 'certificate',
     title: 'Zertifikat',
-    description:
-      'Teilnahmebescheinigungen und Zertifikate mit Unterschrift.',
+    description: 'Teilnahmebescheinigungen und Zertifikate mit Unterschrift.',
     icon: Award,
     color: 'text-amber-600 bg-amber-50',
   },
@@ -84,7 +80,11 @@ export default async function DocumentsPage({ params }: PageProps) {
   if (!acct) return <AccountNotFound />;
 
   return (
-    <CmsPageShell account={account} title="Dokumente" description="Dokumente erstellen und verwalten">
+    <CmsPageShell
+      account={account}
+      title="Dokumente"
+      description="Dokumente erstellen und verwalten"
+    >
       <div className="flex w-full flex-col gap-6">
         {/* Actions */}
         <div className="flex items-center justify-end">
@@ -108,7 +108,7 @@ export default async function DocumentsPage({ params }: PageProps) {
                   </div>
                 </CardHeader>
                 <CardContent className="flex flex-1 flex-col justify-between gap-4">
-                  <p className="text-sm text-muted-foreground">
+                  <p className="text-muted-foreground text-sm">
                     {docType.description}
                   </p>
                   <Link

apps/web/app/[locale]/home/[account]/documents/templates/page.tsx

@@ -6,9 +6,9 @@ import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { Button } from '@kit/ui/button';
 import { Card, CardContent, CardHeader, CardTitle } from '@kit/ui/card';
 
+import { AccountNotFound } from '~/components/account-not-found';
 import { CmsPageShell } from '~/components/cms-page-shell';
 import { EmptyState } from '~/components/empty-state';
-import { AccountNotFound } from '~/components/account-not-found';
 
 interface PageProps {
   params: Promise<{ account: string }>;
@@ -46,7 +46,7 @@ export default async function DocumentTemplatesPage({ params }: PageProps) {
             </p>
           </div>
 
-          <Button>
+          <Button data-test="document-templates-new-btn">
             <Plus className="mr-2 h-4 w-4" />
             Neue Vorlage
           </Button>
@@ -69,7 +69,7 @@ export default async function DocumentTemplatesPage({ params }: PageProps) {
               <div className="rounded-md border">
                 <table className="w-full text-sm">
                   <thead>
-                    <tr className="border-b bg-muted/50">
+                    <tr className="bg-muted/50 border-b">
                       <th className="p-3 text-left font-medium">Name</th>
                       <th className="p-3 text-left font-medium">Typ</th>
                       <th className="p-3 text-left font-medium">
@@ -81,11 +81,11 @@ export default async function DocumentTemplatesPage({ params }: PageProps) {
                     {templates.map((template) => (
                       <tr
                         key={template.id}
-                        className="border-b hover:bg-muted/30"
+                        className="hover:bg-muted/30 border-b"
                       >
                         <td className="p-3 font-medium">{template.name}</td>
                         <td className="p-3">{template.type}</td>
-                        <td className="p-3 text-muted-foreground">
+                        <td className="text-muted-foreground p-3">
                           {template.description}
                         </td>
                       </tr>

apps/web/app/[locale]/home/[account]/events/[eventId]/page.tsx

@@ -9,13 +9,13 @@ import {
   UserPlus,
 } from 'lucide-react';
 
+import { createEventManagementApi } from '@kit/event-management/api';
+import { formatDate } from '@kit/shared/dates';
 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 { createEventManagementApi } from '@kit/event-management/api';
-
 import { CmsPageShell } from '~/components/cms-page-shell';
 import { EmptyState } from '~/components/empty-state';
 
@@ -32,7 +32,10 @@ const STATUS_LABEL: Record<string, string> = {
   completed: 'Abgeschlossen',
 };
 
-const STATUS_VARIANT: Record<string, 'secondary' | 'default' | 'info' | 'outline' | 'destructive'> = {
+const STATUS_VARIANT: Record<
+  string,
+  'secondary' | 'default' | 'info' | 'outline' | 'destructive'
+> = {
   draft: 'secondary',
   published: 'default',
   registration_open: 'info',
@@ -53,17 +56,21 @@ export default async function EventDetailPage({ params }: PageProps) {
 
   if (!event) return <div>Veranstaltung nicht gefunden</div>;
 
-  const e = event as Record<string, unknown>;
+  const eventData = event as Record<string, unknown>;
 
   return (
-    <CmsPageShell account={account} title={String(e.name)}>
+    <CmsPageShell account={account} title={String(eventData.name)}>
       <div className="flex w-full flex-col gap-6">
         {/* Header */}
         <div className="flex items-center justify-between">
           <div>
-            <h1 className="text-2xl font-bold">{String(e.name)}</h1>
-            <Badge variant={STATUS_VARIANT[String(e.status)] ?? 'secondary'} className="mt-1">
-              {STATUS_LABEL[String(e.status)] ?? String(e.status)}
+            <h1 className="text-2xl font-bold">{String(eventData.name)}</h1>
+            <Badge
+              variant={STATUS_VARIANT[String(eventData.status)] ?? 'secondary'}
+              className="mt-1"
+            >
+              {STATUS_LABEL[String(eventData.status)] ??
+                String(eventData.status)}
             </Badge>
           </div>
           <Button>
@@ -76,44 +83,45 @@ export default async function EventDetailPage({ params }: PageProps) {
         <div className="grid grid-cols-1 gap-4 sm:grid-cols-2 lg:grid-cols-4">
           <Card>
             <CardContent className="flex items-center gap-3 p-4">
-              <CalendarDays className="h-5 w-5 text-primary" />
+              <CalendarDays className="text-primary h-5 w-5" />
               <div>
-                <p className="text-xs text-muted-foreground">Datum</p>
+                <p className="text-muted-foreground text-xs">Datum</p>
                 <p className="font-semibold">
-                  {e.event_date
-                    ? new Date(String(e.event_date)).toLocaleDateString('de-DE')
-                    : '—'}
+                  {formatDate(eventData.event_date as string)}
                 </p>
               </div>
             </CardContent>
           </Card>
           <Card>
             <CardContent className="flex items-center gap-3 p-4">
-              <Clock className="h-5 w-5 text-primary" />
+              <Clock className="text-primary h-5 w-5" />
               <div>
-                <p className="text-xs text-muted-foreground">Uhrzeit</p>
+                <p className="text-muted-foreground text-xs">Uhrzeit</p>
                 <p className="font-semibold">
-                  {String(e.start_time ?? '—')} – {String(e.end_time ?? '—')}
+                  {String(eventData.start_time ?? '—')} –{' '}
+                  {String(eventData.end_time ?? '—')}
                 </p>
               </div>
             </CardContent>
           </Card>
           <Card>
             <CardContent className="flex items-center gap-3 p-4">
-              <MapPin className="h-5 w-5 text-primary" />
+              <MapPin className="text-primary h-5 w-5" />
               <div>
-                <p className="text-xs text-muted-foreground">Ort</p>
-                <p className="font-semibold">{String(e.location ?? '—')}</p>
+                <p className="text-muted-foreground text-xs">Ort</p>
+                <p className="font-semibold">
+                  {String(eventData.location ?? '—')}
+                </p>
               </div>
             </CardContent>
           </Card>
           <Card>
             <CardContent className="flex items-center gap-3 p-4">
-              <Users className="h-5 w-5 text-primary" />
+              <Users className="text-primary h-5 w-5" />
               <div>
-                <p className="text-xs text-muted-foreground">Anmeldungen</p>
+                <p className="text-muted-foreground text-xs">Anmeldungen</p>
                 <p className="font-semibold">
-                  {registrations.length} / {String(e.capacity ?? '∞')}
+                  {registrations.length} / {String(eventData.capacity ?? '∞')}
                 </p>
               </div>
             </CardContent>
@@ -121,14 +129,14 @@ export default async function EventDetailPage({ params }: PageProps) {
         </div>
 
         {/* Description */}
-        {e.description ? (
+        {eventData.description ? (
           <Card>
             <CardHeader>
               <CardTitle>Beschreibung</CardTitle>
             </CardHeader>
             <CardContent>
-              <p className="text-sm text-muted-foreground whitespace-pre-wrap">
-                {String(e.description)}
+              <p className="text-muted-foreground text-sm whitespace-pre-wrap">
+                {String(eventData.description)}
               </p>
             </CardContent>
           </Card>
@@ -141,14 +149,14 @@ export default async function EventDetailPage({ params }: PageProps) {
           </CardHeader>
           <CardContent>
             {registrations.length === 0 ? (
-              <p className="py-6 text-center text-sm text-muted-foreground">
+              <p className="text-muted-foreground py-6 text-center text-sm">
                 Noch keine Anmeldungen
               </p>
             ) : (
               <div className="rounded-md border">
                 <table className="w-full text-sm">
                   <thead>
-                    <tr className="border-b bg-muted/50">
+                    <tr className="bg-muted/50 border-b">
                       <th className="p-3 text-left font-medium">Name</th>
                       <th className="p-3 text-left font-medium">E-Mail</th>
                       <th className="p-3 text-left font-medium">Elternteil</th>
@@ -157,16 +165,20 @@ export default async function EventDetailPage({ params }: PageProps) {
                   </thead>
                   <tbody>
                     {registrations.map((reg: Record<string, unknown>) => (
-                      <tr key={String(reg.id)} className="border-b hover:bg-muted/30">
+                      <tr
+                        key={String(reg.id)}
+                        className="hover:bg-muted/30 border-b"
+                      >
                         <td className="p-3 font-medium">
-                          {String(reg.last_name ?? '')}, {String(reg.first_name ?? '')}
+                          {String(reg.last_name ?? '')},{' '}
+                          {String(reg.first_name ?? '')}
                         </td>
                         <td className="p-3">{String(reg.email ?? '—')}</td>
-                        <td className="p-3">{String(reg.parent_name ?? '—')}</td>
                         <td className="p-3">
-                          {reg.created_at
-                            ? new Date(String(reg.created_at)).toLocaleDateString('de-DE')
-                            : '—'}
+                          {String(reg.parent_name ?? '—')}
+                        </td>
+                        <td className="p-3">
+                          {formatDate(reg.created_at as string)}
                         </td>
                       </tr>
                     ))}

apps/web/app/[locale]/home/[account]/events/holiday-passes/page.tsx

@@ -1,15 +1,15 @@
 import { Ticket, Plus } from 'lucide-react';
-
 import { getTranslations } from 'next-intl/server';
+
+import { createEventManagementApi } from '@kit/event-management/api';
+import { formatDate } from '@kit/shared/dates';
 import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { Button } from '@kit/ui/button';
 import { Card, CardContent, CardHeader, CardTitle } from '@kit/ui/card';
 
-import { createEventManagementApi } from '@kit/event-management/api';
-
+import { AccountNotFound } from '~/components/account-not-found';
 import { CmsPageShell } from '~/components/cms-page-shell';
 import { EmptyState } from '~/components/empty-state';
-import { AccountNotFound } from '~/components/account-not-found';
 
 interface PageProps {
   params: Promise<{ account: string }>;
@@ -37,7 +37,9 @@ export default async function HolidayPassesPage({ params }: PageProps) {
         <div className="flex items-center justify-between">
           <div>
             <h1 className="text-2xl font-bold">{t('holidayPasses')}</h1>
-            <p className="text-muted-foreground">{t('holidayPassesDescription')}</p>
+            <p className="text-muted-foreground">
+              {t('holidayPassesDescription')}
+            </p>
           </div>
           <Button>
             <Plus className="mr-2 h-4 w-4" />
@@ -55,23 +57,34 @@ export default async function HolidayPassesPage({ params }: PageProps) {
         ) : (
           <Card>
             <CardHeader>
-              <CardTitle>{t('allHolidayPasses')} ({passes.length})</CardTitle>
+              <CardTitle>
+                {t('allHolidayPasses')} ({passes.length})
+              </CardTitle>
             </CardHeader>
             <CardContent>
               <div className="rounded-md border">
                 <table className="w-full text-sm">
                   <thead>
-                    <tr className="border-b bg-muted/50">
+                    <tr className="bg-muted/50 border-b">
                       <th className="p-3 text-left font-medium">{t('name')}</th>
                       <th className="p-3 text-left font-medium">{t('year')}</th>
-                      <th className="p-3 text-right font-medium">{t('price')}</th>
-                      <th className="p-3 text-left font-medium">{t('validFrom')}</th>
-                      <th className="p-3 text-left font-medium">{t('validUntil')}</th>
+                      <th className="p-3 text-right font-medium">
+                        {t('price')}
+                      </th>
+                      <th className="p-3 text-left font-medium">
+                        {t('validFrom')}
+                      </th>
+                      <th className="p-3 text-left font-medium">
+                        {t('validUntil')}
+                      </th>
                     </tr>
                   </thead>
                   <tbody>
                     {passes.map((pass: Record<string, unknown>) => (
-                      <tr key={String(pass.id)} className="border-b hover:bg-muted/30">
+                      <tr
+                        key={String(pass.id)}
+                        className="hover:bg-muted/30 border-b"
+                      >
                         <td className="p-3 font-medium">{String(pass.name)}</td>
                         <td className="p-3">{String(pass.year ?? '—')}</td>
                         <td className="p-3 text-right">
@@ -80,14 +93,10 @@ export default async function HolidayPassesPage({ params }: PageProps) {
                             : '—'}
                         </td>
                         <td className="p-3">
-                          {pass.valid_from
-                            ? new Date(String(pass.valid_from)).toLocaleDateString('de-DE')
-                            : '—'}
+                          {formatDate(pass.valid_from as string)}
                         </td>
                         <td className="p-3">
-                          {pass.valid_until
-                            ? new Date(String(pass.valid_until)).toLocaleDateString('de-DE')
-                            : '—'}
+                          {formatDate(pass.valid_until as string)}
                         </td>
                       </tr>
                     ))}

apps/web/app/[locale]/home/[account]/events/new/page.tsx

@@ -1,20 +1,32 @@
 import { getTranslations } from 'next-intl/server';
-import { getSupabaseServerClient } from '@kit/supabase/server-client';
-import { CreateEventForm } from '@kit/event-management/components';
-import { CmsPageShell } from '~/components/cms-page-shell';
-import { AccountNotFound } from '~/components/account-not-found';
 
-interface Props { params: Promise<{ account: string }> }
+import { CreateEventForm } from '@kit/event-management/components';
+import { getSupabaseServerClient } from '@kit/supabase/server-client';
+
+import { AccountNotFound } from '~/components/account-not-found';
+import { CmsPageShell } from '~/components/cms-page-shell';
+
+interface Props {
+  params: Promise<{ account: string }>;
+}
 
 export default async function NewEventPage({ params }: Props) {
   const { account } = await params;
   const client = getSupabaseServerClient();
   const t = await getTranslations('cms.events');
-  const { data: acct } = await client.from('accounts').select('id').eq('slug', account).single();
+  const { data: acct } = await client
+    .from('accounts')
+    .select('id')
+    .eq('slug', account)
+    .single();
   if (!acct) return <AccountNotFound />;
 
   return (
-    <CmsPageShell account={account} title={t('newEvent')} description={t('newEventDescription')}>
+    <CmsPageShell
+      account={account}
+      title={t('newEvent')}
+      description={t('newEventDescription')}
+    >
       <CreateEventForm accountId={acct.id} account={account} />
     </CmsPageShell>
   );

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

@@ -1,19 +1,26 @@
 import Link from 'next/link';
 
-import { CalendarDays, ChevronLeft, ChevronRight, MapPin, Plus, Users } from 'lucide-react';
-
+import {
+  CalendarDays,
+  ChevronLeft,
+  ChevronRight,
+  MapPin,
+  Plus,
+  Users,
+} from 'lucide-react';
 import { getTranslations } from 'next-intl/server';
+
+import { createEventManagementApi } from '@kit/event-management/api';
+import { formatDate } from '@kit/shared/dates';
 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 { createEventManagementApi } from '@kit/event-management/api';
-
+import { AccountNotFound } from '~/components/account-not-found';
 import { CmsPageShell } from '~/components/cms-page-shell';
 import { EmptyState } from '~/components/empty-state';
 import { StatsCard } from '~/components/stats-card';
-import { AccountNotFound } from '~/components/account-not-found';
 import { EVENT_STATUS_VARIANT, EVENT_STATUS_LABEL } from '~/lib/status-badges';
 
 interface PageProps {
@@ -40,19 +47,21 @@ export default async function EventsPage({ params, searchParams }: PageProps) {
   const events = await api.listEvents(acct.id, { page });
 
   // Fetch registration counts for all events on this page
-  const eventIds = events.data.map((e: Record<string, unknown>) => String(e.id));
+  const eventIds = events.data.map((eventItem: Record<string, unknown>) =>
+    String(eventItem.id),
+  );
   const registrationCounts = await api.getRegistrationCounts(eventIds);
 
   // Pre-compute stats before rendering
   const uniqueLocationCount = new Set(
     events.data
-      .map((e: Record<string, unknown>) => e.location)
+      .map((eventItem: Record<string, unknown>) => eventItem.location)
       .filter(Boolean),
   ).size;
 
   const totalCapacity = events.data.reduce(
-    (sum: number, e: Record<string, unknown>) =>
-      sum + (Number(e.capacity) || 0),
+    (sum: number, eventItem: Record<string, unknown>) =>
+      sum + (Number(eventItem.capacity) || 0),
     0,
   );
 
@@ -63,13 +72,11 @@ export default async function EventsPage({ params, searchParams }: PageProps) {
         <div className="flex items-center justify-between">
           <div>
             <h1 className="text-2xl font-bold">{t('title')}</h1>
-            <p className="text-muted-foreground">
-              {t('description')}
-            </p>
+            <p className="text-muted-foreground">{t('description')}</p>
           </div>
 
           <Link href={`/home/${account}/events/new`}>
-            <Button>
+            <Button data-test="events-new-btn">
               <Plus className="mr-2 h-4 w-4" />
               {t('newEvent')}
             </Button>
@@ -107,19 +114,31 @@ export default async function EventsPage({ params, searchParams }: PageProps) {
         ) : (
           <Card>
             <CardHeader>
-              <CardTitle>{t('allEvents')} ({events.total})</CardTitle>
+              <CardTitle>
+                {t('allEvents')} ({events.total})
+              </CardTitle>
             </CardHeader>
             <CardContent>
               <div className="rounded-md border">
                 <table className="w-full text-sm">
                   <thead>
-                    <tr className="border-b bg-muted/50">
+                    <tr className="bg-muted/50 border-b">
                       <th className="p-3 text-left font-medium">{t('name')}</th>
-                      <th className="p-3 text-left font-medium">{t('eventDate')}</th>
-                      <th className="p-3 text-left font-medium">{t('eventLocation')}</th>
-                      <th className="p-3 text-right font-medium">{t('capacity')}</th>
-                      <th className="p-3 text-left font-medium">{t('status')}</th>
-                      <th className="p-3 text-right font-medium">{t('registrations')}</th>
+                      <th className="p-3 text-left font-medium">
+                        {t('eventDate')}
+                      </th>
+                      <th className="p-3 text-left font-medium">
+                        {t('eventLocation')}
+                      </th>
+                      <th className="p-3 text-right font-medium">
+                        {t('capacity')}
+                      </th>
+                      <th className="p-3 text-left font-medium">
+                        {t('status')}
+                      </th>
+                      <th className="p-3 text-right font-medium">
+                        {t('registrations')}
+                      </th>
                     </tr>
                   </thead>
                   <tbody>
@@ -130,7 +149,7 @@ export default async function EventsPage({ params, searchParams }: PageProps) {
                       return (
                         <tr
                           key={eventId}
-                          className="border-b hover:bg-muted/30"
+                          className="hover:bg-muted/30 border-b"
                         >
                           <td className="p-3 font-medium">
                             <Link
@@ -141,9 +160,7 @@ export default async function EventsPage({ params, searchParams }: PageProps) {
                             </Link>
                           </td>
                           <td className="p-3">
-                            {event.event_date
-                              ? new Date(String(event.event_date)).toLocaleDateString('de-DE')
-                              : '—'}
+                            {formatDate(event.event_date as string)}
                           </td>
                           <td className="p-3">
                             {String(event.location ?? '—')}
@@ -156,10 +173,12 @@ export default async function EventsPage({ params, searchParams }: PageProps) {
                           <td className="p-3">
                             <Badge
                               variant={
-                                EVENT_STATUS_VARIANT[String(event.status)] ?? 'secondary'
+                                EVENT_STATUS_VARIANT[String(event.status)] ??
+                                'secondary'
                               }
                             >
-                              {EVENT_STATUS_LABEL[String(event.status)] ?? String(event.status)}
+                              {EVENT_STATUS_LABEL[String(event.status)] ??
+                                String(event.status)}
                             </Badge>
                           </td>
                           <td className="p-3 text-right font-medium">
@@ -175,12 +194,17 @@ export default async function EventsPage({ params, searchParams }: PageProps) {
               {/* Pagination */}
               {events.totalPages > 1 && (
                 <div className="flex items-center justify-between pt-4">
-                  <span className="text-sm text-muted-foreground">
-                    {t('paginationPage', { page: events.page, totalPages: events.totalPages })}
+                  <span className="text-muted-foreground text-sm">
+                    {t('paginationPage', {
+                      page: events.page,
+                      totalPages: events.totalPages,
+                    })}
                   </span>
                   <div className="flex gap-2">
                     {events.page > 1 && (
-                      <Link href={`/home/${account}/events?page=${events.page - 1}`}>
+                      <Link
+                        href={`/home/${account}/events?page=${events.page - 1}`}
+                      >
                         <Button variant="outline" size="sm">
                           <ChevronLeft className="mr-1 h-4 w-4" />
                           {t('paginationPrevious')}
@@ -188,7 +212,9 @@ export default async function EventsPage({ params, searchParams }: PageProps) {
                       </Link>
                     )}
                     {events.page < events.totalPages && (
-                      <Link href={`/home/${account}/events?page=${events.page + 1}`}>
+                      <Link
+                        href={`/home/${account}/events?page=${events.page + 1}`}
+                      >
                         <Button variant="outline" size="sm">
                           {t('paginationNext')}
                           <ChevronRight className="ml-1 h-4 w-4" />

apps/web/app/[locale]/home/[account]/events/registrations/page.tsx

@@ -1,18 +1,18 @@
 import Link from 'next/link';
 
 import { CalendarDays, ClipboardList, Users } from 'lucide-react';
-
 import { getTranslations } from 'next-intl/server';
+
+import { createEventManagementApi } from '@kit/event-management/api';
+import { formatDate } from '@kit/shared/dates';
 import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { Badge } from '@kit/ui/badge';
 import { Card, CardContent, CardHeader, CardTitle } from '@kit/ui/card';
 
-import { createEventManagementApi } from '@kit/event-management/api';
-
+import { AccountNotFound } from '~/components/account-not-found';
 import { CmsPageShell } from '~/components/cms-page-shell';
 import { EmptyState } from '~/components/empty-state';
 import { StatsCard } from '~/components/stats-card';
-import { AccountNotFound } from '~/components/account-not-found';
 import { EVENT_STATUS_VARIANT, EVENT_STATUS_LABEL } from '~/lib/status-badges';
 
 interface PageProps {
@@ -64,9 +64,7 @@ export default async function EventRegistrationsPage({ params }: PageProps) {
         {/* Header */}
         <div>
           <h1 className="text-2xl font-bold">{t('registrations')}</h1>
-          <p className="text-muted-foreground">
-            {t('registrationsOverview')}
-          </p>
+          <p className="text-muted-foreground">{t('registrationsOverview')}</p>
         </div>
 
         {/* Stats */}
@@ -108,17 +106,25 @@ export default async function EventRegistrationsPage({ params }: PageProps) {
               <div className="rounded-md border">
                 <table className="w-full text-sm">
                   <thead>
-                    <tr className="border-b bg-muted/50">
+                    <tr className="bg-muted/50 border-b">
                       <th className="p-3 text-left font-medium">
                         {t('event')}
                       </th>
-                      <th className="p-3 text-left font-medium">{t('eventDate')}</th>
-                      <th className="p-3 text-left font-medium">{t('status')}</th>
-                      <th className="p-3 text-right font-medium">{t('capacity')}</th>
+                      <th className="p-3 text-left font-medium">
+                        {t('eventDate')}
+                      </th>
+                      <th className="p-3 text-left font-medium">
+                        {t('status')}
+                      </th>
+                      <th className="p-3 text-right font-medium">
+                        {t('capacity')}
+                      </th>
                       <th className="p-3 text-right font-medium">
                         {t('registrations')}
                       </th>
-                      <th className="p-3 text-right font-medium">{t('utilization')}</th>
+                      <th className="p-3 text-right font-medium">
+                        {t('utilization')}
+                      </th>
                     </tr>
                   </thead>
                   <tbody>
@@ -133,7 +139,7 @@ export default async function EventRegistrationsPage({ params }: PageProps) {
                       return (
                         <tr
                           key={event.id}
-                          className="border-b hover:bg-muted/30"
+                          className="hover:bg-muted/30 border-b"
                         >
                           <td className="p-3 font-medium">
                             <Link
@@ -143,17 +149,12 @@ export default async function EventRegistrationsPage({ params }: PageProps) {
                               {event.name}
                             </Link>
                           </td>
-                          <td className="p-3">
-                            {event.eventDate
-                              ? new Date(event.eventDate).toLocaleDateString(
-                                  'de-DE',
-                                )
-                              : '—'}
-                          </td>
+                          <td className="p-3">{formatDate(event.eventDate)}</td>
                           <td className="p-3">
                             <Badge
                               variant={
-                                EVENT_STATUS_VARIANT[event.status] ?? 'secondary'
+                                EVENT_STATUS_VARIANT[event.status] ??
+                                'secondary'
                               }
                             >
                               {EVENT_STATUS_LABEL[event.status] ?? event.status}

apps/web/app/[locale]/home/[account]/finance/invoices/[id]/page.tsx

@@ -2,15 +2,15 @@ import Link from 'next/link';
 
 import { ArrowLeft, Send, CheckCircle } from 'lucide-react';
 
+import { createFinanceApi } from '@kit/finance/api';
+import { formatDate } from '@kit/shared/dates';
 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 { createFinanceApi } from '@kit/finance/api';
-
-import { CmsPageShell } from '~/components/cms-page-shell';
 import { AccountNotFound } from '~/components/account-not-found';
+import { CmsPageShell } from '~/components/cms-page-shell';
 
 interface PageProps {
   params: Promise<{ account: string; id: string }>;
@@ -55,7 +55,7 @@ export default async function InvoiceDetailPage({ params }: PageProps) {
   const api = createFinanceApi(client);
   const invoice = await api.getInvoiceWithItems(id);
 
-  if (!invoice) return <div>Rechnung nicht gefunden</div>;
+  if (!invoice) return <AccountNotFound />;
 
   const status = String(invoice.status);
   const items = (invoice.items ?? []) as Array<Record<string, unknown>>;
@@ -87,7 +87,7 @@ export default async function InvoiceDetailPage({ params }: PageProps) {
           <CardContent>
             <dl className="grid grid-cols-2 gap-4 sm:grid-cols-4">
               <div>
-                <dt className="text-sm font-medium text-muted-foreground">
+                <dt className="text-muted-foreground text-sm font-medium">
                   Empfänger
                 </dt>
                 <dd className="mt-1 text-sm font-semibold">
@@ -95,31 +95,23 @@ export default async function InvoiceDetailPage({ params }: PageProps) {
                 </dd>
               </div>
               <div>
-                <dt className="text-sm font-medium text-muted-foreground">
+                <dt className="text-muted-foreground text-sm font-medium">
                   Rechnungsdatum
                 </dt>
                 <dd className="mt-1 text-sm font-semibold">
-                  {invoice.issue_date
-                    ? new Date(
-                        String(invoice.issue_date),
-                      ).toLocaleDateString('de-DE')
-                    : '—'}
+                  {formatDate(invoice.issue_date)}
                 </dd>
               </div>
               <div>
-                <dt className="text-sm font-medium text-muted-foreground">
+                <dt className="text-muted-foreground text-sm font-medium">
                   Fälligkeitsdatum
                 </dt>
                 <dd className="mt-1 text-sm font-semibold">
-                  {invoice.due_date
-                    ? new Date(String(invoice.due_date)).toLocaleDateString(
-                        'de-DE',
-                      )
-                    : '—'}
+                  {formatDate(invoice.due_date)}
                 </dd>
               </div>
               <div>
-                <dt className="text-sm font-medium text-muted-foreground">
+                <dt className="text-muted-foreground text-sm font-medium">
                   Gesamtbetrag
                 </dt>
                 <dd className="mt-1 text-sm font-semibold">
@@ -155,14 +147,14 @@ export default async function InvoiceDetailPage({ params }: PageProps) {
           </CardHeader>
           <CardContent>
             {items.length === 0 ? (
-              <p className="py-8 text-center text-sm text-muted-foreground">
+              <p className="text-muted-foreground py-8 text-center text-sm">
                 Keine Positionen vorhanden.
               </p>
             ) : (
               <div className="rounded-md border">
                 <table className="w-full text-sm">
                   <thead>
-                    <tr className="border-b bg-muted/50">
+                    <tr className="bg-muted/50 border-b">
                       <th className="p-3 text-left font-medium">
                         Beschreibung
                       </th>
@@ -177,7 +169,7 @@ export default async function InvoiceDetailPage({ params }: PageProps) {
                     {items.map((item) => (
                       <tr
                         key={String(item.id)}
-                        className="border-b hover:bg-muted/30"
+                        className="hover:bg-muted/30 border-b"
                       >
                         <td className="p-3">
                           {String(item.description ?? '—')}
@@ -199,7 +191,7 @@ export default async function InvoiceDetailPage({ params }: PageProps) {
                     ))}
                   </tbody>
                   <tfoot>
-                    <tr className="border-t bg-muted/30">
+                    <tr className="bg-muted/30 border-t">
                       <td colSpan={3} className="p-3 text-right font-medium">
                         Zwischensumme
                       </td>

apps/web/app/[locale]/home/[account]/finance/invoices/new/page.tsx

@@ -1,18 +1,29 @@
-import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { CreateInvoiceForm } from '@kit/finance/components';
-import { CmsPageShell } from '~/components/cms-page-shell';
-import { AccountNotFound } from '~/components/account-not-found';
+import { getSupabaseServerClient } from '@kit/supabase/server-client';
 
-interface Props { params: Promise<{ account: string }> }
+import { AccountNotFound } from '~/components/account-not-found';
+import { CmsPageShell } from '~/components/cms-page-shell';
+
+interface Props {
+  params: Promise<{ account: string }>;
+}
 
 export default async function NewInvoicePage({ params }: Props) {
   const { account } = await params;
   const client = getSupabaseServerClient();
-  const { data: acct } = await client.from('accounts').select('id').eq('slug', account).single();
+  const { data: acct } = await client
+    .from('accounts')
+    .select('id')
+    .eq('slug', account)
+    .single();
   if (!acct) return <AccountNotFound />;
 
   return (
-    <CmsPageShell account={account} title="Neue Rechnung" description="Rechnung mit Positionen erstellen">
+    <CmsPageShell
+      account={account}
+      title="Neue Rechnung"
+      description="Rechnung mit Positionen erstellen"
+    >
       <CreateInvoiceForm accountId={acct.id} account={account} />
     </CmsPageShell>
   );

apps/web/app/[locale]/home/[account]/finance/invoices/page.tsx

@@ -2,16 +2,16 @@ import Link from 'next/link';
 
 import { FileText, Plus } from 'lucide-react';
 
+import { createFinanceApi } from '@kit/finance/api';
+import { formatDate } from '@kit/shared/dates';
 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 { createFinanceApi } from '@kit/finance/api';
-
+import { AccountNotFound } from '~/components/account-not-found';
 import { CmsPageShell } from '~/components/cms-page-shell';
 import { EmptyState } from '~/components/empty-state';
-import { AccountNotFound } from '~/components/account-not-found';
 import {
   INVOICE_STATUS_VARIANT,
   INVOICE_STATUS_LABEL,
@@ -77,7 +77,7 @@ export default async function InvoicesPage({ params }: PageProps) {
               <div className="rounded-md border">
                 <table className="w-full text-sm">
                   <thead>
-                    <tr className="border-b bg-muted/50">
+                    <tr className="bg-muted/50 border-b">
                       <th className="p-3 text-left font-medium">Nr.</th>
                       <th className="p-3 text-left font-medium">Empfänger</th>
                       <th className="p-3 text-left font-medium">Datum</th>
@@ -92,7 +92,7 @@ export default async function InvoicesPage({ params }: PageProps) {
                       return (
                         <tr
                           key={String(invoice.id)}
-                          className="border-b hover:bg-muted/30"
+                          className="hover:bg-muted/30 border-b"
                         >
                           <td className="p-3 font-mono text-xs">
                             <Link
@@ -106,18 +106,10 @@ export default async function InvoicesPage({ params }: PageProps) {
                             {String(invoice.recipient_name ?? '—')}
                           </td>
                           <td className="p-3">
-                            {invoice.issue_date
-                              ? new Date(
-                                  String(invoice.issue_date),
-                                ).toLocaleDateString('de-DE')
-                              : '—'}
+                            {formatDate(invoice.issue_date)}
                           </td>
                           <td className="p-3">
-                            {invoice.due_date
-                              ? new Date(
-                                  String(invoice.due_date),
-                                ).toLocaleDateString('de-DE')
-                              : '—'}
+                            {formatDate(invoice.due_date)}
                           </td>
                           <td className="p-3 text-right">
                             {invoice.total_amount != null

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

@@ -2,17 +2,17 @@ import Link from 'next/link';
 
 import { Landmark, FileText, Euro, ArrowRight, Plus } from 'lucide-react';
 
+import { createFinanceApi } from '@kit/finance/api';
+import { formatDate } from '@kit/shared/dates';
 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 { createFinanceApi } from '@kit/finance/api';
-
+import { AccountNotFound } from '~/components/account-not-found';
 import { CmsPageShell } from '~/components/cms-page-shell';
 import { EmptyState } from '~/components/empty-state';
 import { StatsCard } from '~/components/stats-card';
-import { AccountNotFound } from '~/components/account-not-found';
 import {
   BATCH_STATUS_VARIANT,
   BATCH_STATUS_LABEL,
@@ -61,9 +61,7 @@ export default async function FinancePage({ params }: PageProps) {
         <div className="flex items-center justify-between">
           <div>
             <h1 className="text-2xl font-bold">Finanzen</h1>
-            <p className="text-muted-foreground">
-              SEPA-Einzüge und Rechnungen
-            </p>
+            <p className="text-muted-foreground">SEPA-Einzüge und Rechnungen</p>
           </div>
           <div className="flex gap-2">
             <Link href={`/home/${account}/finance/invoices/new`}>
@@ -124,7 +122,7 @@ export default async function FinancePage({ params }: PageProps) {
               <div className="rounded-md border">
                 <table className="w-full text-sm">
                   <thead>
-                    <tr className="border-b bg-muted/50">
+                    <tr className="bg-muted/50 border-b">
                       <th className="p-3 text-left font-medium">Status</th>
                       <th className="p-3 text-left font-medium">Typ</th>
                       <th className="p-3 text-right font-medium">Betrag</th>
@@ -135,15 +133,17 @@ export default async function FinancePage({ params }: PageProps) {
                     {batches.map((batch: Record<string, unknown>) => (
                       <tr
                         key={String(batch.id)}
-                        className="border-b hover:bg-muted/30"
+                        className="hover:bg-muted/30 border-b"
                       >
                         <td className="p-3">
                           <Badge
                             variant={
-                              BATCH_STATUS_VARIANT[String(batch.status)] ?? 'secondary'
+                              BATCH_STATUS_VARIANT[String(batch.status)] ??
+                              'secondary'
                             }
                           >
-                            {BATCH_STATUS_LABEL[String(batch.status)] ?? String(batch.status)}
+                            {BATCH_STATUS_LABEL[String(batch.status)] ??
+                              String(batch.status)}
                           </Badge>
                         </td>
                         <td className="p-3">
@@ -157,11 +157,7 @@ export default async function FinancePage({ params }: PageProps) {
                             : '—'}
                         </td>
                         <td className="p-3">
-                          {batch.execution_date
-                            ? new Date(String(batch.execution_date)).toLocaleDateString('de-DE')
-                            : batch.created_at
-                              ? new Date(String(batch.created_at)).toLocaleDateString('de-DE')
-                              : '—'}
+                          {formatDate(batch.execution_date ?? batch.created_at)}
                         </td>
                       </tr>
                     ))}
@@ -196,7 +192,7 @@ export default async function FinancePage({ params }: PageProps) {
               <div className="rounded-md border">
                 <table className="w-full text-sm">
                   <thead>
-                    <tr className="border-b bg-muted/50">
+                    <tr className="bg-muted/50 border-b">
                       <th className="p-3 text-left font-medium">Nr.</th>
                       <th className="p-3 text-left font-medium">Empfänger</th>
                       <th className="p-3 text-right font-medium">Betrag</th>
@@ -207,7 +203,7 @@ export default async function FinancePage({ params }: PageProps) {
                     {invoices.map((invoice: Record<string, unknown>) => (
                       <tr
                         key={String(invoice.id)}
-                        className="border-b hover:bg-muted/30"
+                        className="hover:bg-muted/30 border-b"
                       >
                         <td className="p-3 font-mono text-xs">
                           <Link

apps/web/app/[locale]/home/[account]/finance/payments/page.tsx

@@ -2,16 +2,15 @@ import Link from 'next/link';
 
 import { Euro, CreditCard, TrendingUp, ArrowRight } from 'lucide-react';
 
+import { createFinanceApi } from '@kit/finance/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 { createFinanceApi } from '@kit/finance/api';
-
+import { AccountNotFound } from '~/components/account-not-found';
 import { CmsPageShell } from '~/components/cms-page-shell';
 import { StatsCard } from '~/components/stats-card';
-import { AccountNotFound } from '~/components/account-not-found';
 
 interface PageProps {
   params: Promise<{ account: string }>;
@@ -120,12 +119,14 @@ export default async function PaymentsPage({ params }: PageProps) {
           <Card>
             <CardHeader className="flex flex-row items-center justify-between">
               <CardTitle className="text-base">Offene Rechnungen</CardTitle>
-              <Badge variant={openInvoices.length > 0 ? 'default' : 'secondary'}>
+              <Badge
+                variant={openInvoices.length > 0 ? 'default' : 'secondary'}
+              >
                 {openInvoices.length}
               </Badge>
             </CardHeader>
             <CardContent>
-              <p className="mb-4 text-sm text-muted-foreground">
+              <p className="text-muted-foreground mb-4 text-sm">
                 {openInvoices.length > 0
                   ? `${openInvoices.length} Rechnungen mit einem Gesamtbetrag von ${formatCurrency(openTotal)} sind offen.`
                   : 'Keine offenen Rechnungen vorhanden.'}
@@ -147,7 +148,7 @@ export default async function PaymentsPage({ params }: PageProps) {
               </Badge>
             </CardHeader>
             <CardContent>
-              <p className="mb-4 text-sm text-muted-foreground">
+              <p className="text-muted-foreground mb-4 text-sm">
                 {batches.length > 0
                   ? `${batches.length} SEPA-Einzüge mit einem Gesamtvolumen von ${formatCurrency(sepaTotal)}.`
                   : 'Keine SEPA-Einzüge vorhanden.'}

apps/web/app/[locale]/home/[account]/finance/sepa/[batchId]/page.tsx

@@ -2,15 +2,15 @@ import Link from 'next/link';
 
 import { ArrowLeft, Download } from 'lucide-react';
 
+import { createFinanceApi } from '@kit/finance/api';
+import { formatDate } from '@kit/shared/dates';
 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 { createFinanceApi } from '@kit/finance/api';
-
-import { CmsPageShell } from '~/components/cms-page-shell';
 import { AccountNotFound } from '~/components/account-not-found';
+import { CmsPageShell } from '~/components/cms-page-shell';
 
 interface PageProps {
   params: Promise<{ account: string; batchId: string }>;
@@ -74,7 +74,7 @@ export default async function SepaBatchDetailPage({ params }: PageProps) {
     api.getBatchItems(batchId),
   ]);
 
-  if (!batch) return <div>Einzug nicht gefunden</div>;
+  if (!batch) return <AccountNotFound />;
 
   const status = String(batch.status);
 
@@ -95,9 +95,7 @@ export default async function SepaBatchDetailPage({ params }: PageProps) {
         {/* Summary Card */}
         <Card>
           <CardHeader className="flex flex-row items-center justify-between">
-            <CardTitle>
-              {String(batch.description ?? 'SEPA-Einzug')}
-            </CardTitle>
+            <CardTitle>{String(batch.description ?? 'SEPA-Einzug')}</CardTitle>
             <Badge variant={STATUS_VARIANT[status] ?? 'secondary'}>
               {STATUS_LABEL[status] ?? status}
             </Badge>
@@ -105,7 +103,7 @@ export default async function SepaBatchDetailPage({ params }: PageProps) {
           <CardContent>
             <dl className="grid grid-cols-2 gap-4 sm:grid-cols-4">
               <div>
-                <dt className="text-sm font-medium text-muted-foreground">
+                <dt className="text-muted-foreground text-sm font-medium">
                   Typ
                 </dt>
                 <dd className="mt-1 text-sm font-semibold">
@@ -115,7 +113,7 @@ export default async function SepaBatchDetailPage({ params }: PageProps) {
                 </dd>
               </div>
               <div>
-                <dt className="text-sm font-medium text-muted-foreground">
+                <dt className="text-muted-foreground text-sm font-medium">
                   Betrag
                 </dt>
                 <dd className="mt-1 text-sm font-semibold">
@@ -125,7 +123,7 @@ export default async function SepaBatchDetailPage({ params }: PageProps) {
                 </dd>
               </div>
               <div>
-                <dt className="text-sm font-medium text-muted-foreground">
+                <dt className="text-muted-foreground text-sm font-medium">
                   Anzahl
                 </dt>
                 <dd className="mt-1 text-sm font-semibold">
@@ -133,15 +131,11 @@ export default async function SepaBatchDetailPage({ params }: PageProps) {
                 </dd>
               </div>
               <div>
-                <dt className="text-sm font-medium text-muted-foreground">
+                <dt className="text-muted-foreground text-sm font-medium">
                   Ausführungsdatum
                 </dt>
                 <dd className="mt-1 text-sm font-semibold">
-                  {batch.execution_date
-                    ? new Date(
-                        String(batch.execution_date),
-                      ).toLocaleDateString('de-DE')
-                    : '—'}
+                  {formatDate(batch.execution_date)}
                 </dd>
               </div>
             </dl>
@@ -162,14 +156,14 @@ export default async function SepaBatchDetailPage({ params }: PageProps) {
           </CardHeader>
           <CardContent>
             {items.length === 0 ? (
-              <p className="py-8 text-center text-sm text-muted-foreground">
+              <p className="text-muted-foreground py-8 text-center text-sm">
                 Keine Positionen vorhanden.
               </p>
             ) : (
               <div className="rounded-md border">
                 <table className="w-full text-sm">
                   <thead>
-                    <tr className="border-b bg-muted/50">
+                    <tr className="bg-muted/50 border-b">
                       <th className="p-3 text-left font-medium">Name</th>
                       <th className="p-3 text-left font-medium">IBAN</th>
                       <th className="p-3 text-right font-medium">Betrag</th>
@@ -182,7 +176,7 @@ export default async function SepaBatchDetailPage({ params }: PageProps) {
                       return (
                         <tr
                           key={String(item.id)}
-                          className="border-b hover:bg-muted/30"
+                          className="hover:bg-muted/30 border-b"
                         >
                           <td className="p-3 font-medium">
                             {String(item.debtor_name ?? '—')}

apps/web/app/[locale]/home/[account]/finance/sepa/new/page.tsx

@@ -1,8 +1,8 @@
+import { CreateSepaBatchForm } from '@kit/finance/components';
 import { getSupabaseServerClient } from '@kit/supabase/server-client';
 
-import { CreateSepaBatchForm } from '@kit/finance/components';
-import { CmsPageShell } from '~/components/cms-page-shell';
 import { AccountNotFound } from '~/components/account-not-found';
+import { CmsPageShell } from '~/components/cms-page-shell';
 
 interface Props {
   params: Promise<{ account: string }>;
@@ -21,7 +21,11 @@ export default async function NewSepaBatchPage({ params }: Props) {
   if (!acct) return <AccountNotFound />;
 
   return (
-    <CmsPageShell account={account} title="Neuer SEPA-Einzug" description="SEPA-Lastschrifteinzug erstellen">
+    <CmsPageShell
+      account={account}
+      title="Neuer SEPA-Einzug"
+      description="SEPA-Lastschrifteinzug erstellen"
+    >
       <CreateSepaBatchForm accountId={acct.id} account={account} />
     </CmsPageShell>
   );

apps/web/app/[locale]/home/[account]/finance/sepa/page.tsx

@@ -2,20 +2,17 @@ import Link from 'next/link';
 
 import { Landmark, Plus } from 'lucide-react';
 
+import { createFinanceApi } from '@kit/finance/api';
+import { formatDate } from '@kit/shared/dates';
 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 { createFinanceApi } from '@kit/finance/api';
-
+import { AccountNotFound } from '~/components/account-not-found';
 import { CmsPageShell } from '~/components/cms-page-shell';
 import { EmptyState } from '~/components/empty-state';
-import { AccountNotFound } from '~/components/account-not-found';
-import {
-  BATCH_STATUS_VARIANT,
-  BATCH_STATUS_LABEL,
-} from '~/lib/status-badges';
+import { BATCH_STATUS_VARIANT, BATCH_STATUS_LABEL } from '~/lib/status-badges';
 
 interface PageProps {
   params: Promise<{ account: string }>;
@@ -79,7 +76,7 @@ export default async function SepaPage({ params }: PageProps) {
               <div className="rounded-md border">
                 <table className="w-full text-sm">
                   <thead>
-                    <tr className="border-b bg-muted/50">
+                    <tr className="bg-muted/50 border-b">
                       <th className="p-3 text-left font-medium">Status</th>
                       <th className="p-3 text-left font-medium">Typ</th>
                       <th className="p-3 text-left font-medium">
@@ -96,12 +93,13 @@ export default async function SepaPage({ params }: PageProps) {
                     {batches.map((batch: Record<string, unknown>) => (
                       <tr
                         key={String(batch.id)}
-                        className="border-b hover:bg-muted/30"
+                        className="hover:bg-muted/30 border-b"
                       >
                         <td className="p-3">
                           <Badge
                             variant={
-                              BATCH_STATUS_VARIANT[String(batch.status)] ?? 'secondary'
+                              BATCH_STATUS_VARIANT[String(batch.status)] ??
+                              'secondary'
                             }
                           >
                             {BATCH_STATUS_LABEL[String(batch.status)] ??
@@ -130,11 +128,7 @@ export default async function SepaPage({ params }: PageProps) {
                           {String(batch.item_count ?? 0)}
                         </td>
                         <td className="p-3">
-                          {batch.execution_date
-                            ? new Date(
-                                String(batch.execution_date),
-                              ).toLocaleDateString('de-DE')
-                            : '—'}
+                          {formatDate(batch.execution_date)}
                         </td>
                       </tr>
                     ))}

apps/web/app/[locale]/home/[account]/fischerei/catch-books/page.tsx

@@ -1,9 +1,12 @@
-import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { createFischereiApi } from '@kit/fischerei/api';
-import { FischereiTabNavigation, CatchBooksDataTable } from '@kit/fischerei/components';
+import {
+  FischereiTabNavigation,
+  CatchBooksDataTable,
+} from '@kit/fischerei/components';
+import { getSupabaseServerClient } from '@kit/supabase/server-client';
 
-import { CmsPageShell } from '~/components/cms-page-shell';
 import { AccountNotFound } from '~/components/account-not-found';
+import { CmsPageShell } from '~/components/cms-page-shell';
 
 interface Props {
   params: Promise<{ account: string }>;

apps/web/app/[locale]/home/[account]/fischerei/competitions/page.tsx

@@ -1,16 +1,22 @@
-import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { createFischereiApi } from '@kit/fischerei/api';
-import { FischereiTabNavigation, CompetitionsDataTable } from '@kit/fischerei/components';
+import {
+  FischereiTabNavigation,
+  CompetitionsDataTable,
+} from '@kit/fischerei/components';
+import { getSupabaseServerClient } from '@kit/supabase/server-client';
 
-import { CmsPageShell } from '~/components/cms-page-shell';
 import { AccountNotFound } from '~/components/account-not-found';
+import { CmsPageShell } from '~/components/cms-page-shell';
 
 interface Props {
   params: Promise<{ account: string }>;
   searchParams: Promise<Record<string, string | string[] | undefined>>;
 }
 
-export default async function CompetitionsPage({ params, searchParams }: Props) {
+export default async function CompetitionsPage({
+  params,
+  searchParams,
+}: Props) {
   const { account } = await params;
   const search = await searchParams;
   const client = getSupabaseServerClient();

apps/web/app/[locale]/home/[account]/fischerei/leases/page.tsx

@@ -1,13 +1,13 @@
-import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { createFischereiApi } from '@kit/fischerei/api';
 import { FischereiTabNavigation } from '@kit/fischerei/components';
-
-import { CmsPageShell } from '~/components/cms-page-shell';
+import { LEASE_PAYMENT_LABELS } from '@kit/fischerei/lib/fischerei-constants';
+import { formatDate } from '@kit/shared/dates';
+import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { Badge } from '@kit/ui/badge';
 import { Card, CardContent, CardHeader, CardTitle } from '@kit/ui/card';
 
-import { LEASE_PAYMENT_LABELS } from '@kit/fischerei/lib/fischerei-constants';
 import { AccountNotFound } from '~/components/account-not-found';
+import { CmsPageShell } from '~/components/cms-page-shell';
 
 interface Props {
   params: Promise<{ account: string }>;
@@ -54,7 +54,7 @@ export default async function LeasesPage({ params, searchParams }: Props) {
                 <h3 className="text-lg font-semibold">
                   Keine Pachten vorhanden
                 </h3>
-                <p className="mt-1 max-w-sm text-sm text-muted-foreground">
+                <p className="text-muted-foreground mt-1 max-w-sm text-sm">
                   Erstellen Sie Ihren ersten Pachtvertrag.
                 </p>
               </div>
@@ -62,22 +62,32 @@ export default async function LeasesPage({ params, searchParams }: Props) {
               <div className="rounded-md border">
                 <table className="w-full text-sm">
                   <thead>
-                    <tr className="border-b bg-muted/50">
+                    <tr className="bg-muted/50 border-b">
                       <th className="p-3 text-left font-medium">Verpächter</th>
                       <th className="p-3 text-left font-medium">Gewässer</th>
                       <th className="p-3 text-left font-medium">Beginn</th>
                       <th className="p-3 text-left font-medium">Ende</th>
-                      <th className="p-3 text-right font-medium">Jahresbetrag (€)</th>
+                      <th className="p-3 text-right font-medium">
+                        Jahresbetrag (€)
+                      </th>
                       <th className="p-3 text-left font-medium">Zahlungsart</th>
                     </tr>
                   </thead>
                   <tbody>
                     {result.data.map((lease: Record<string, unknown>) => {
-                      const waters = lease.waters as Record<string, unknown> | null;
-                      const paymentMethod = String(lease.payment_method ?? 'ueberweisung');
+                      const waters = lease.waters as Record<
+                        string,
+                        unknown
+                      > | null;
+                      const paymentMethod = String(
+                        lease.payment_method ?? 'ueberweisung',
+                      );
 
                       return (
-                        <tr key={String(lease.id)} className="border-b hover:bg-muted/30">
+                        <tr
+                          key={String(lease.id)}
+                          className="hover:bg-muted/30 border-b"
+                        >
                           <td className="p-3 font-medium">
                             {String(lease.lessor_name)}
                           </td>
@@ -85,13 +95,11 @@ export default async function LeasesPage({ params, searchParams }: Props) {
                             {waters ? String(waters.name) : '—'}
                           </td>
                           <td className="p-3">
-                            {lease.start_date
-                              ? new Date(String(lease.start_date)).toLocaleDateString('de-DE')
-                              : '—'}
+                            {formatDate(lease.start_date)}
                           </td>
                           <td className="p-3">
                             {lease.end_date
-                              ? new Date(String(lease.end_date)).toLocaleDateString('de-DE')
+                              ? formatDate(lease.end_date)
                               : 'unbefristet'}
                           </td>
                           <td className="p-3 text-right">
@@ -101,7 +109,8 @@ export default async function LeasesPage({ params, searchParams }: Props) {
                           </td>
                           <td className="p-3">
                             <Badge variant="outline">
-                              {LEASE_PAYMENT_LABELS[paymentMethod] ?? paymentMethod}
+                              {LEASE_PAYMENT_LABELS[paymentMethod] ??
+                                paymentMethod}
                             </Badge>
                           </td>
                         </tr>

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

@@ -1,9 +1,12 @@
-import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { createFischereiApi } from '@kit/fischerei/api';
-import { FischereiTabNavigation, FischereiDashboard } from '@kit/fischerei/components';
+import {
+  FischereiTabNavigation,
+  FischereiDashboard,
+} from '@kit/fischerei/components';
+import { getSupabaseServerClient } from '@kit/supabase/server-client';
 
-import { CmsPageShell } from '~/components/cms-page-shell';
 import { AccountNotFound } from '~/components/account-not-found';
+import { CmsPageShell } from '~/components/cms-page-shell';
 
 interface PageProps {
   params: Promise<{ account: string }>;

apps/web/app/[locale]/home/[account]/fischerei/permits/page.tsx

@@ -1,10 +1,10 @@
-import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { createFischereiApi } from '@kit/fischerei/api';
 import { FischereiTabNavigation } from '@kit/fischerei/components';
-
-import { CmsPageShell } from '~/components/cms-page-shell';
+import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { Card, CardContent, CardHeader, CardTitle } from '@kit/ui/card';
+
 import { AccountNotFound } from '~/components/account-not-found';
+import { CmsPageShell } from '~/components/cms-page-shell';
 
 interface Props {
   params: Promise<{ account: string }>;
@@ -45,7 +45,7 @@ export default async function PermitsPage({ params }: Props) {
                 <h3 className="text-lg font-semibold">
                   Keine Erlaubnisscheine vorhanden
                 </h3>
-                <p className="mt-1 max-w-sm text-sm text-muted-foreground">
+                <p className="text-muted-foreground mt-1 max-w-sm text-sm">
                   Erstellen Sie Ihren ersten Erlaubnisschein.
                 </p>
               </div>
@@ -53,22 +53,36 @@ export default async function PermitsPage({ params }: Props) {
               <div className="rounded-md border">
                 <table className="w-full text-sm">
                   <thead>
-                    <tr className="border-b bg-muted/50">
+                    <tr className="bg-muted/50 border-b">
                       <th className="p-3 text-left font-medium">Bezeichnung</th>
                       <th className="p-3 text-left font-medium">Kurzcode</th>
-                      <th className="p-3 text-left font-medium">Hauptgewässer</th>
-                      <th className="p-3 text-right font-medium">Gesamtmenge</th>
-                      <th className="p-3 text-center font-medium">Zum Verkauf</th>
+                      <th className="p-3 text-left font-medium">
+                        Hauptgewässer
+                      </th>
+                      <th className="p-3 text-right font-medium">
+                        Gesamtmenge
+                      </th>
+                      <th className="p-3 text-center font-medium">
+                        Zum Verkauf
+                      </th>
                     </tr>
                   </thead>
                   <tbody>
                     {permits.map((permit: Record<string, unknown>) => {
-                      const waters = permit.waters as Record<string, unknown> | null;
+                      const waters = permit.waters as Record<
+                        string,
+                        unknown
+                      > | null;
 
                       return (
-                        <tr key={String(permit.id)} className="border-b hover:bg-muted/30">
-                          <td className="p-3 font-medium">{String(permit.name)}</td>
-                          <td className="p-3 text-muted-foreground">
+                        <tr
+                          key={String(permit.id)}
+                          className="hover:bg-muted/30 border-b"
+                        >
+                          <td className="p-3 font-medium">
+                            {String(permit.name)}
+                          </td>
+                          <td className="text-muted-foreground p-3">
                             {String(permit.short_code ?? '—')}
                           </td>
                           <td className="p-3">

apps/web/app/[locale]/home/[account]/fischerei/species/new/page.tsx

@@ -1,8 +1,11 @@
+import {
+  FischereiTabNavigation,
+  CreateSpeciesForm,
+} from '@kit/fischerei/components';
 import { getSupabaseServerClient } from '@kit/supabase/server-client';
-import { FischereiTabNavigation, CreateSpeciesForm } from '@kit/fischerei/components';
 
-import { CmsPageShell } from '~/components/cms-page-shell';
 import { AccountNotFound } from '~/components/account-not-found';
+import { CmsPageShell } from '~/components/cms-page-shell';
 
 interface Props {
   params: Promise<{ account: string }>;

apps/web/app/[locale]/home/[account]/fischerei/species/page.tsx

@@ -1,9 +1,12 @@
-import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { createFischereiApi } from '@kit/fischerei/api';
-import { FischereiTabNavigation, SpeciesDataTable } from '@kit/fischerei/components';
+import {
+  FischereiTabNavigation,
+  SpeciesDataTable,
+} from '@kit/fischerei/components';
+import { getSupabaseServerClient } from '@kit/supabase/server-client';
 
-import { CmsPageShell } from '~/components/cms-page-shell';
 import { AccountNotFound } from '~/components/account-not-found';
+import { CmsPageShell } from '~/components/cms-page-shell';
 
 interface Props {
   params: Promise<{ account: string }>;

apps/web/app/[locale]/home/[account]/fischerei/statistics/page.tsx

@@ -1,9 +1,9 @@
-import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { FischereiTabNavigation } from '@kit/fischerei/components';
-
-import { CmsPageShell } from '~/components/cms-page-shell';
+import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { Card, CardContent, CardHeader, CardTitle } from '@kit/ui/card';
+
 import { AccountNotFound } from '~/components/account-not-found';
+import { CmsPageShell } from '~/components/cms-page-shell';
 
 interface Props {
   params: Promise<{ account: string }>;
@@ -37,9 +37,12 @@ export default async function StatisticsPage({ params }: Props) {
           </CardHeader>
           <CardContent>
             <div className="flex flex-col items-center justify-center rounded-lg border border-dashed p-12 text-center">
-              <h3 className="text-lg font-semibold">Noch keine Daten vorhanden</h3>
-              <p className="mt-1 max-w-sm text-sm text-muted-foreground">
-                Sobald Fangbücher eingereicht und geprüft werden, erscheinen hier Statistiken und Auswertungen.
+              <h3 className="text-lg font-semibold">
+                Noch keine Daten vorhanden
+              </h3>
+              <p className="text-muted-foreground mt-1 max-w-sm text-sm">
+                Sobald Fangbücher eingereicht und geprüft werden, erscheinen
+                hier Statistiken und Auswertungen.
               </p>
             </div>
           </CardContent>

apps/web/app/[locale]/home/[account]/fischerei/stocking/new/page.tsx

@@ -1,9 +1,12 @@
-import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { createFischereiApi } from '@kit/fischerei/api';
-import { FischereiTabNavigation, CreateStockingForm } from '@kit/fischerei/components';
+import {
+  FischereiTabNavigation,
+  CreateStockingForm,
+} from '@kit/fischerei/components';
+import { getSupabaseServerClient } from '@kit/supabase/server-client';
 
-import { CmsPageShell } from '~/components/cms-page-shell';
 import { AccountNotFound } from '~/components/account-not-found';
+import { CmsPageShell } from '~/components/cms-page-shell';
 
 interface Props {
   params: Promise<{ account: string }>;

apps/web/app/[locale]/home/[account]/fischerei/stocking/page.tsx

@@ -1,9 +1,12 @@
-import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { createFischereiApi } from '@kit/fischerei/api';
-import { FischereiTabNavigation, StockingDataTable } from '@kit/fischerei/components';
+import {
+  FischereiTabNavigation,
+  StockingDataTable,
+} from '@kit/fischerei/components';
+import { getSupabaseServerClient } from '@kit/supabase/server-client';
 
-import { CmsPageShell } from '~/components/cms-page-shell';
 import { AccountNotFound } from '~/components/account-not-found';
+import { CmsPageShell } from '~/components/cms-page-shell';
 
 interface Props {
   params: Promise<{ account: string }>;

apps/web/app/[locale]/home/[account]/fischerei/waters/new/page.tsx

@@ -1,8 +1,11 @@
+import {
+  FischereiTabNavigation,
+  CreateWaterForm,
+} from '@kit/fischerei/components';
 import { getSupabaseServerClient } from '@kit/supabase/server-client';
-import { FischereiTabNavigation, CreateWaterForm } from '@kit/fischerei/components';
 
-import { CmsPageShell } from '~/components/cms-page-shell';
 import { AccountNotFound } from '~/components/account-not-found';
+import { CmsPageShell } from '~/components/cms-page-shell';
 
 interface Props {
   params: Promise<{ account: string }>;

apps/web/app/[locale]/home/[account]/fischerei/waters/page.tsx

@@ -1,9 +1,12 @@
-import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { createFischereiApi } from '@kit/fischerei/api';
-import { FischereiTabNavigation, WatersDataTable } from '@kit/fischerei/components';
+import {
+  FischereiTabNavigation,
+  WatersDataTable,
+} from '@kit/fischerei/components';
+import { getSupabaseServerClient } from '@kit/supabase/server-client';
 
-import { CmsPageShell } from '~/components/cms-page-shell';
 import { AccountNotFound } from '~/components/account-not-found';
+import { CmsPageShell } from '~/components/cms-page-shell';
 
 interface Props {
   params: Promise<{ account: string }>;

apps/web/app/[locale]/home/[account]/layout.tsx

@@ -70,7 +70,8 @@ function injectAccountFeatureRoutes(
   account: string,
   features: Record<string, boolean>,
 ): z.output<typeof NavigationConfigSchema> {
-  if (!features.fischerei && !features.meetings && !features.verband) return config;
+  if (!features.fischerei && !features.meetings && !features.verband)
+    return config;
 
   const featureEntries: Array<{
     label: string;

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

@@ -1,9 +1,12 @@
-import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { createMeetingsApi } from '@kit/sitzungsprotokolle/api';
-import { MeetingsTabNavigation, MeetingsDashboard } from '@kit/sitzungsprotokolle/components';
+import {
+  MeetingsTabNavigation,
+  MeetingsDashboard,
+} from '@kit/sitzungsprotokolle/components';
+import { getSupabaseServerClient } from '@kit/supabase/server-client';
 
-import { CmsPageShell } from '~/components/cms-page-shell';
 import { AccountNotFound } from '~/components/account-not-found';
+import { CmsPageShell } from '~/components/cms-page-shell';
 
 interface PageProps {
   params: Promise<{ account: string }>;

apps/web/app/[locale]/home/[account]/meetings/protocols/[protocolId]/page.tsx

@@ -2,18 +2,20 @@ import Link from 'next/link';
 
 import { ArrowLeft } from 'lucide-react';
 
+import { formatDateFull } from '@kit/shared/dates';
+import { createMeetingsApi } from '@kit/sitzungsprotokolle/api';
+import {
+  MeetingsTabNavigation,
+  ProtocolItemsList,
+} from '@kit/sitzungsprotokolle/components';
+import { MEETING_TYPE_LABELS } from '@kit/sitzungsprotokolle/lib/meetings-constants';
+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 { getSupabaseServerClient } from '@kit/supabase/server-client';
-import { createMeetingsApi } from '@kit/sitzungsprotokolle/api';
-import { MeetingsTabNavigation, ProtocolItemsList } from '@kit/sitzungsprotokolle/components';
-
-import { CmsPageShell } from '~/components/cms-page-shell';
-
-import { MEETING_TYPE_LABELS } from '@kit/sitzungsprotokolle/lib/meetings-constants';
 import { AccountNotFound } from '~/components/account-not-found';
+import { CmsPageShell } from '~/components/cms-page-shell';
 
 interface PageProps {
   params: Promise<{ account: string; protocolId: string }>;
@@ -39,9 +41,12 @@ export default async function ProtocolDetailPage({ params }: PageProps) {
   } catch {
     return (
       <CmsPageShell account={account} title="Sitzungsprotokolle">
-        <div className="text-center py-12">
+        <div className="py-12 text-center">
           <h2 className="text-lg font-semibold">Protokoll nicht gefunden</h2>
-          <Link href={`/home/${account}/meetings/protocols`} className="mt-4 inline-block">
+          <Link
+            href={`/home/${account}/meetings/protocols`}
+            className="mt-4 inline-block"
+          >
             <Button variant="outline">Zurück zur Übersicht</Button>
           </Link>
         </div>
@@ -72,18 +77,12 @@ export default async function ProtocolDetailPage({ params }: PageProps) {
             <div className="flex items-start justify-between">
               <div>
                 <CardTitle className="text-xl">{protocol.title}</CardTitle>
-                <div className="mt-2 flex flex-wrap items-center gap-2 text-sm text-muted-foreground">
-                  <span>
-                    {new Date(protocol.meeting_date).toLocaleDateString('de-DE', {
-                      weekday: 'long',
-                      year: 'numeric',
-                      month: 'long',
-                      day: 'numeric',
-                    })}
-                  </span>
+                <div className="text-muted-foreground mt-2 flex flex-wrap items-center gap-2 text-sm">
+                  <span>{formatDateFull(protocol.meeting_date)}</span>
                   <span>·</span>
                   <Badge variant="secondary">
-                    {MEETING_TYPE_LABELS[protocol.meeting_type] ?? protocol.meeting_type}
+                    {MEETING_TYPE_LABELS[protocol.meeting_type] ??
+                      protocol.meeting_type}
                   </Badge>
                   {protocol.is_published ? (
                     <Badge variant="default">Veröffentlicht</Badge>
@@ -97,20 +96,28 @@ export default async function ProtocolDetailPage({ params }: PageProps) {
           <CardContent className="grid grid-cols-1 gap-4 sm:grid-cols-2">
             {protocol.location && (
               <div>
-                <p className="text-sm font-medium text-muted-foreground">Ort</p>
+                <p className="text-muted-foreground text-sm font-medium">Ort</p>
                 <p className="text-sm">{protocol.location}</p>
               </div>
             )}
             {protocol.attendees && (
               <div className="sm:col-span-2">
-                <p className="text-sm font-medium text-muted-foreground">Teilnehmer</p>
-                <p className="text-sm whitespace-pre-line">{protocol.attendees}</p>
+                <p className="text-muted-foreground text-sm font-medium">
+                  Teilnehmer
+                </p>
+                <p className="text-sm whitespace-pre-line">
+                  {protocol.attendees}
+                </p>
               </div>
             )}
             {protocol.remarks && (
               <div className="sm:col-span-2">
-                <p className="text-sm font-medium text-muted-foreground">Anmerkungen</p>
-                <p className="text-sm whitespace-pre-line">{protocol.remarks}</p>
+                <p className="text-muted-foreground text-sm font-medium">
+                  Anmerkungen
+                </p>
+                <p className="text-sm whitespace-pre-line">
+                  {protocol.remarks}
+                </p>
               </div>
             )}
           </CardContent>

apps/web/app/[locale]/home/[account]/meetings/protocols/new/page.tsx

@@ -1,8 +1,11 @@
+import {
+  MeetingsTabNavigation,
+  CreateProtocolForm,
+} from '@kit/sitzungsprotokolle/components';
 import { getSupabaseServerClient } from '@kit/supabase/server-client';
-import { MeetingsTabNavigation, CreateProtocolForm } from '@kit/sitzungsprotokolle/components';
 
-import { CmsPageShell } from '~/components/cms-page-shell';
 import { AccountNotFound } from '~/components/account-not-found';
+import { CmsPageShell } from '~/components/cms-page-shell';
 
 interface PageProps {
   params: Promise<{ account: string }>;

apps/web/app/[locale]/home/[account]/meetings/protocols/page.tsx

@@ -1,16 +1,22 @@
-import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { createMeetingsApi } from '@kit/sitzungsprotokolle/api';
-import { MeetingsTabNavigation, ProtocolsDataTable } from '@kit/sitzungsprotokolle/components';
+import {
+  MeetingsTabNavigation,
+  ProtocolsDataTable,
+} from '@kit/sitzungsprotokolle/components';
+import { getSupabaseServerClient } from '@kit/supabase/server-client';
 
-import { CmsPageShell } from '~/components/cms-page-shell';
 import { AccountNotFound } from '~/components/account-not-found';
+import { CmsPageShell } from '~/components/cms-page-shell';
 
 interface PageProps {
   params: Promise<{ account: string }>;
   searchParams: Promise<Record<string, string | string[] | undefined>>;
 }
 
-export default async function ProtocolsPage({ params, searchParams }: PageProps) {
+export default async function ProtocolsPage({
+  params,
+  searchParams,
+}: PageProps) {
   const { account } = await params;
   const sp = await searchParams;
   const client = getSupabaseServerClient();

apps/web/app/[locale]/home/[account]/meetings/tasks/page.tsx

@@ -1,9 +1,12 @@
-import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { createMeetingsApi } from '@kit/sitzungsprotokolle/api';
-import { MeetingsTabNavigation, OpenTasksView } from '@kit/sitzungsprotokolle/components';
+import {
+  MeetingsTabNavigation,
+  OpenTasksView,
+} from '@kit/sitzungsprotokolle/components';
+import { getSupabaseServerClient } from '@kit/supabase/server-client';
 
-import { CmsPageShell } from '~/components/cms-page-shell';
 import { AccountNotFound } from '~/components/account-not-found';
+import { CmsPageShell } from '~/components/cms-page-shell';
 
 interface PageProps {
   params: Promise<{ account: string }>;
@@ -36,7 +39,8 @@ export default async function TasksPage({ params, searchParams }: PageProps) {
         <div>
           <h1 className="text-2xl font-bold">Offene Aufgaben</h1>
           <p className="text-muted-foreground">
-            Alle offenen und in Bearbeitung befindlichen Tagesordnungspunkte über alle Protokolle.
+            Alle offenen und in Bearbeitung befindlichen Tagesordnungspunkte
+            über alle Protokolle.
           </p>
         </div>
         <OpenTasksView

apps/web/app/[locale]/home/[account]/members-cms/[memberId]/edit/page.tsx

@@ -1,8 +1,9 @@
-import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { createMemberManagementApi } from '@kit/member-management/api';
 import { EditMemberForm } from '@kit/member-management/components';
-import { CmsPageShell } from '~/components/cms-page-shell';
+import { getSupabaseServerClient } from '@kit/supabase/server-client';
+
 import { AccountNotFound } from '~/components/account-not-found';
+import { CmsPageShell } from '~/components/cms-page-shell';
 
 interface Props {
   params: Promise<{ account: string; memberId: string }>;
@@ -11,7 +12,11 @@ interface Props {
 export default async function EditMemberPage({ params }: Props) {
   const { account, memberId } = await params;
   const client = getSupabaseServerClient();
-  const { data: acct } = await client.from('accounts').select('id').eq('slug', account).single();
+  const { data: acct } = await client
+    .from('accounts')
+    .select('id')
+    .eq('slug', account)
+    .single();
   if (!acct) return <AccountNotFound />;
 
   const api = createMemberManagementApi(client);
@@ -19,7 +24,10 @@ export default async function EditMemberPage({ params }: Props) {
   if (!member) return <div>Mitglied nicht gefunden</div>;
 
   return (
-    <CmsPageShell account={account} title={`${String(member.first_name)} ${String(member.last_name)} bearbeiten`}>
+    <CmsPageShell
+      account={account}
+      title={`${String(member.first_name)} ${String(member.last_name)} bearbeiten`}
+    >
       <EditMemberForm member={member} account={account} accountId={acct.id} />
     </CmsPageShell>
   );

apps/web/app/[locale]/home/[account]/members-cms/[memberId]/page.tsx

@@ -1,8 +1,9 @@
-import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { createMemberManagementApi } from '@kit/member-management/api';
 import { MemberDetailView } from '@kit/member-management/components';
-import { CmsPageShell } from '~/components/cms-page-shell';
+import { getSupabaseServerClient } from '@kit/supabase/server-client';
+
 import { AccountNotFound } from '~/components/account-not-found';
+import { CmsPageShell } from '~/components/cms-page-shell';
 
 interface Props {
   params: Promise<{ account: string; memberId: string }>;
@@ -11,7 +12,11 @@ interface Props {
 export default async function MemberDetailPage({ params }: Props) {
   const { account, memberId } = await params;
   const client = getSupabaseServerClient();
-  const { data: acct } = await client.from('accounts').select('id').eq('slug', account).single();
+  const { data: acct } = await client
+    .from('accounts')
+    .select('id')
+    .eq('slug', account)
+    .single();
   if (!acct) return <AccountNotFound />;
 
   const api = createMemberManagementApi(client);
@@ -19,7 +24,10 @@ export default async function MemberDetailPage({ params }: Props) {
   if (!member) return <div>Mitglied nicht gefunden</div>;
 
   return (
-    <CmsPageShell account={account} title={`${String(member.first_name)} ${String(member.last_name)}`}>
+    <CmsPageShell
+      account={account}
+      title={`${String(member.first_name)} ${String(member.last_name)}`}
+    >
       <MemberDetailView member={member} account={account} accountId={acct.id} />
     </CmsPageShell>
   );

apps/web/app/[locale]/home/[account]/members-cms/applications/page.tsx

@@ -1,8 +1,9 @@
-import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { createMemberManagementApi } from '@kit/member-management/api';
 import { ApplicationWorkflow } from '@kit/member-management/components';
-import { CmsPageShell } from '~/components/cms-page-shell';
+import { getSupabaseServerClient } from '@kit/supabase/server-client';
+
 import { AccountNotFound } from '~/components/account-not-found';
+import { CmsPageShell } from '~/components/cms-page-shell';
 
 interface Props {
   params: Promise<{ account: string }>;
@@ -11,15 +12,27 @@ interface Props {
 export default async function ApplicationsPage({ params }: Props) {
   const { account } = await params;
   const client = getSupabaseServerClient();
-  const { data: acct } = await client.from('accounts').select('id').eq('slug', account).single();
+  const { data: acct } = await client
+    .from('accounts')
+    .select('id')
+    .eq('slug', account)
+    .single();
   if (!acct) return <AccountNotFound />;
 
   const api = createMemberManagementApi(client);
   const applications = await api.listApplications(acct.id);
 
   return (
-    <CmsPageShell account={account} title="Aufnahmeanträge" description="Mitgliedsanträge bearbeiten">
-      <ApplicationWorkflow applications={applications} accountId={acct.id} account={account} />
+    <CmsPageShell
+      account={account}
+      title="Aufnahmeanträge"
+      description="Mitgliedsanträge bearbeiten"
+    >
+      <ApplicationWorkflow
+        applications={applications}
+        accountId={acct.id}
+        account={account}
+      />
     </CmsPageShell>
   );
 }

apps/web/app/[locale]/home/[account]/members-cms/cards/page.tsx

@@ -1,9 +1,11 @@
-import { getSupabaseServerClient } from '@kit/supabase/server-client';
-import { createMemberManagementApi } from '@kit/member-management/api';
 import { CreditCard } from 'lucide-react';
+
+import { createMemberManagementApi } from '@kit/member-management/api';
+import { getSupabaseServerClient } from '@kit/supabase/server-client';
+
+import { AccountNotFound } from '~/components/account-not-found';
 import { CmsPageShell } from '~/components/cms-page-shell';
 import { EmptyState } from '~/components/empty-state';
-import { AccountNotFound } from '~/components/account-not-found';
 
 /** All active members are fetched for the card overview. */
 const CARDS_PAGE_SIZE = 100;
@@ -15,15 +17,26 @@ interface Props {
 export default async function MemberCardsPage({ params }: Props) {
   const { account } = await params;
   const client = getSupabaseServerClient();
-  const { data: acct } = await client.from('accounts').select('id').eq('slug', account).single();
+  const { data: acct } = await client
+    .from('accounts')
+    .select('id')
+    .eq('slug', account)
+    .single();
   if (!acct) return <AccountNotFound />;
 
   const api = createMemberManagementApi(client);
-  const result = await api.listMembers(acct.id, { status: 'active', pageSize: CARDS_PAGE_SIZE });
+  const result = await api.listMembers(acct.id, {
+    status: 'active',
+    pageSize: CARDS_PAGE_SIZE,
+  });
   const members = result.data;
 
   return (
-    <CmsPageShell account={account} title="Mitgliedsausweise" description="Ausweise erstellen und verwalten">
+    <CmsPageShell
+      account={account}
+      title="Mitgliedsausweise"
+      description="Ausweise erstellen und verwalten"
+    >
       {members.length === 0 ? (
         <EmptyState
           icon={<CreditCard className="h-8 w-8" />}

apps/web/app/[locale]/home/[account]/members-cms/departments/create-department-dialog.tsx

@@ -1,12 +1,14 @@
 'use client';
 
 import { useCallback, useState } from 'react';
-import { useAction } from 'next-safe-action/hooks';
+
 import { useRouter } from 'next/navigation';
-import { toast } from '@kit/ui/sonner';
+
+import { Plus } from 'lucide-react';
+import { useAction } from 'next-safe-action/hooks';
+
+import { createDepartment } from '@kit/member-management/actions/member-actions';
 import { Button } from '@kit/ui/button';
-import { Input } from '@kit/ui/input';
-import { Label } from '@kit/ui/label';
 import {
   Dialog,
   DialogContent,
@@ -16,15 +18,17 @@ import {
   DialogTitle,
   DialogTrigger,
 } from '@kit/ui/dialog';
-import { Plus } from 'lucide-react';
-
-import { createDepartment } from '@kit/member-management/actions/member-actions';
+import { Input } from '@kit/ui/input';
+import { Label } from '@kit/ui/label';
+import { toast } from '@kit/ui/sonner';
 
 interface CreateDepartmentDialogProps {
   accountId: string;
 }
 
-export function CreateDepartmentDialog({ accountId }: CreateDepartmentDialogProps) {
+export function CreateDepartmentDialog({
+  accountId,
+}: CreateDepartmentDialogProps) {
   const router = useRouter();
   const [open, setOpen] = useState(false);
   const [name, setName] = useState('');
@@ -49,7 +53,11 @@ export function CreateDepartmentDialog({ accountId }: CreateDepartmentDialogProp
     (e: React.FormEvent) => {
       e.preventDefault();
       if (!name.trim()) return;
-      execute({ accountId, name: name.trim(), description: description.trim() || undefined });
+      execute({
+        accountId,
+        name: name.trim(),
+        description: description.trim() || undefined,
+      });
     },
     [execute, accountId, name, description],
   );

apps/web/app/[locale]/home/[account]/members-cms/departments/page.tsx

@@ -1,9 +1,11 @@
-import { getSupabaseServerClient } from '@kit/supabase/server-client';
+import { Users } from 'lucide-react';
+
 import { createMemberManagementApi } from '@kit/member-management/api';
+import { getSupabaseServerClient } from '@kit/supabase/server-client';
+
+import { AccountNotFound } from '~/components/account-not-found';
 import { CmsPageShell } from '~/components/cms-page-shell';
 import { EmptyState } from '~/components/empty-state';
-import { Users } from 'lucide-react';
-import { AccountNotFound } from '~/components/account-not-found';
 
 import { CreateDepartmentDialog } from './create-department-dialog';
 
@@ -14,14 +16,22 @@ interface Props {
 export default async function DepartmentsPage({ params }: Props) {
   const { account } = await params;
   const client = getSupabaseServerClient();
-  const { data: acct } = await client.from('accounts').select('id').eq('slug', account).single();
+  const { data: acct } = await client
+    .from('accounts')
+    .select('id')
+    .eq('slug', account)
+    .single();
   if (!acct) return <AccountNotFound />;
 
   const api = createMemberManagementApi(client);
   const departments = await api.listDepartments(acct.id);
 
   return (
-    <CmsPageShell account={account} title="Abteilungen" description="Sparten und Abteilungen verwalten">
+    <CmsPageShell
+      account={account}
+      title="Abteilungen"
+      description="Sparten und Abteilungen verwalten"
+    >
       <div className="space-y-4">
         <div className="flex items-center justify-end">
           <CreateDepartmentDialog accountId={acct.id} />
@@ -37,16 +47,21 @@ export default async function DepartmentsPage({ params }: Props) {
           <div className="rounded-md border">
             <table className="w-full text-sm">
               <thead>
-                <tr className="border-b bg-muted/50">
+                <tr className="bg-muted/50 border-b">
                   <th className="p-3 text-left font-medium">Name</th>
                   <th className="p-3 text-left font-medium">Beschreibung</th>
                 </tr>
               </thead>
               <tbody>
                 {departments.map((dept: Record<string, unknown>) => (
-                  <tr key={String(dept.id)} className="border-b hover:bg-muted/30">
+                  <tr
+                    key={String(dept.id)}
+                    className="hover:bg-muted/30 border-b"
+                  >
                     <td className="p-3 font-medium">{String(dept.name)}</td>
-                    <td className="p-3 text-muted-foreground">{String(dept.description ?? '—')}</td>
+                    <td className="text-muted-foreground p-3">
+                      {String(dept.description ?? '—')}
+                    </td>
                   </tr>
                 ))}
               </tbody>

apps/web/app/[locale]/home/[account]/members-cms/dues/page.tsx

@@ -1,8 +1,9 @@
-import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { createMemberManagementApi } from '@kit/member-management/api';
 import { DuesCategoryManager } from '@kit/member-management/components';
-import { CmsPageShell } from '~/components/cms-page-shell';
+import { getSupabaseServerClient } from '@kit/supabase/server-client';
+
 import { AccountNotFound } from '~/components/account-not-found';
+import { CmsPageShell } from '~/components/cms-page-shell';
 
 interface Props {
   params: Promise<{ account: string }>;
@@ -11,14 +12,22 @@ interface Props {
 export default async function DuesPage({ params }: Props) {
   const { account } = await params;
   const client = getSupabaseServerClient();
-  const { data: acct } = await client.from('accounts').select('id').eq('slug', account).single();
+  const { data: acct } = await client
+    .from('accounts')
+    .select('id')
+    .eq('slug', account)
+    .single();
   if (!acct) return <AccountNotFound />;
 
   const api = createMemberManagementApi(client);
   const categories = await api.listDuesCategories(acct.id);
 
   return (
-    <CmsPageShell account={account} title="Beitragskategorien" description="Mitgliedsbeiträge verwalten">
+    <CmsPageShell
+      account={account}
+      title="Beitragskategorien"
+      description="Mitgliedsbeiträge verwalten"
+    >
       <DuesCategoryManager categories={categories} accountId={acct.id} />
     </CmsPageShell>
   );

apps/web/app/[locale]/home/[account]/members-cms/import/page.tsx

@@ -1,7 +1,8 @@
-import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { MemberImportWizard } from '@kit/member-management/components';
-import { CmsPageShell } from '~/components/cms-page-shell';
+import { getSupabaseServerClient } from '@kit/supabase/server-client';
+
 import { AccountNotFound } from '~/components/account-not-found';
+import { CmsPageShell } from '~/components/cms-page-shell';
 
 interface Props {
   params: Promise<{ account: string }>;
@@ -10,11 +11,19 @@ interface Props {
 export default async function MemberImportPage({ params }: Props) {
   const { account } = await params;
   const client = getSupabaseServerClient();
-  const { data: acct } = await client.from('accounts').select('id').eq('slug', account).single();
+  const { data: acct } = await client
+    .from('accounts')
+    .select('id')
+    .eq('slug', account)
+    .single();
   if (!acct) return <AccountNotFound />;
 
   return (
-    <CmsPageShell account={account} title="Mitglieder importieren" description="CSV-Datei importieren">
+    <CmsPageShell
+      account={account}
+      title="Mitglieder importieren"
+      description="CSV-Datei importieren"
+    >
       <MemberImportWizard accountId={acct.id} account={account} />
     </CmsPageShell>
   );

apps/web/app/[locale]/home/[account]/members-cms/new/page.tsx

@@ -1,28 +1,43 @@
-import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { createMemberManagementApi } from '@kit/member-management/api';
 import { CreateMemberForm } from '@kit/member-management/components';
-import { CmsPageShell } from '~/components/cms-page-shell';
-import { AccountNotFound } from '~/components/account-not-found';
+import { getSupabaseServerClient } from '@kit/supabase/server-client';
 
-interface Props { params: Promise<{ account: string }> }
+import { AccountNotFound } from '~/components/account-not-found';
+import { CmsPageShell } from '~/components/cms-page-shell';
+
+interface Props {
+  params: Promise<{ account: string }>;
+}
 
 export default async function NewMemberPage({ params }: Props) {
   const { account } = await params;
   const client = getSupabaseServerClient();
-  const { data: acct } = await client.from('accounts').select('id').eq('slug', account).single();
+  const { data: acct } = await client
+    .from('accounts')
+    .select('id')
+    .eq('slug', account)
+    .single();
   if (!acct) return <AccountNotFound />;
 
   const api = createMemberManagementApi(client);
   const duesCategories = await api.listDuesCategories(acct.id);
 
   return (
-    <CmsPageShell account={account} title="Neues Mitglied" description="Mitglied manuell anlegen">
+    <CmsPageShell
+      account={account}
+      title="Neues Mitglied"
+      description="Mitglied manuell anlegen"
+    >
       <CreateMemberForm
         accountId={acct.id}
         account={account}
-        duesCategories={(duesCategories ?? []).map((c: Record<string, unknown>) => ({
-          id: String(c.id), name: String(c.name), amount: Number(c.amount ?? 0)
-        }))} 
+        duesCategories={(duesCategories ?? []).map(
+          (c: Record<string, unknown>) => ({
+            id: String(c.id),
+            name: String(c.name),
+            amount: Number(c.amount ?? 0),
+          }),
+        )}
       />
     </CmsPageShell>
   );

apps/web/app/[locale]/home/[account]/members-cms/page.tsx

@@ -1,8 +1,9 @@
-import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { createMemberManagementApi } from '@kit/member-management/api';
 import { MembersDataTable } from '@kit/member-management/components';
-import { CmsPageShell } from '~/components/cms-page-shell';
+import { getSupabaseServerClient } from '@kit/supabase/server-client';
+
 import { AccountNotFound } from '~/components/account-not-found';
+import { CmsPageShell } from '~/components/cms-page-shell';
 
 const PAGE_SIZE = 25;
 
@@ -15,7 +16,11 @@ export default async function MembersPage({ params, searchParams }: Props) {
   const { account } = await params;
   const search = await searchParams;
   const client = getSupabaseServerClient();
-  const { data: acct } = await client.from('accounts').select('id').eq('slug', account).single();
+  const { data: acct } = await client
+    .from('accounts')
+    .select('id')
+    .eq('slug', account)
+    .single();
   if (!acct) return <AccountNotFound />;
 
   const api = createMemberManagementApi(client);
@@ -29,16 +34,23 @@ export default async function MembersPage({ params, searchParams }: Props) {
   const duesCategories = await api.listDuesCategories(acct.id);
 
   return (
-    <CmsPageShell account={account} title="Mitglieder" description={`${result.total} Mitglieder`}>
+    <CmsPageShell
+      account={account}
+      title="Mitglieder"
+      description={`${result.total} Mitglieder`}
+    >
       <MembersDataTable
         data={result.data}
         total={result.total}
         page={page}
         pageSize={PAGE_SIZE}
         account={account}
-        duesCategories={(duesCategories ?? []).map((c: Record<string, unknown>) => ({
-          id: String(c.id), name: String(c.name),
-        }))}
+        duesCategories={(duesCategories ?? []).map(
+          (c: Record<string, unknown>) => ({
+            id: String(c.id),
+            name: String(c.name),
+          }),
+        )}
       />
     </CmsPageShell>
   );

apps/web/app/[locale]/home/[account]/members-cms/statistics/page.tsx

@@ -1,14 +1,20 @@
-import { Users, UserCheck, UserMinus, Clock, BarChart3, TrendingUp } from 'lucide-react';
+import {
+  Users,
+  UserCheck,
+  UserMinus,
+  Clock,
+  BarChart3,
+  TrendingUp,
+} from 'lucide-react';
 
+import { createMemberManagementApi } from '@kit/member-management/api';
 import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { Card, CardContent, CardHeader, CardTitle } from '@kit/ui/card';
 
-import { createMemberManagementApi } from '@kit/member-management/api';
-
+import { AccountNotFound } from '~/components/account-not-found';
 import { CmsPageShell } from '~/components/cms-page-shell';
 import { StatsCard } from '~/components/stats-card';
 import { StatsBarChart, StatsPieChart } from '~/components/stats-charts';
-import { AccountNotFound } from '~/components/account-not-found';
 
 interface PageProps {
   params: Promise<{ account: string }>;
@@ -40,10 +46,26 @@ export default async function MemberStatisticsPage({ params }: PageProps) {
     <CmsPageShell account={account} title="Mitglieder-Statistiken">
       <div className="flex w-full flex-col gap-6">
         <div className="grid grid-cols-1 gap-4 sm:grid-cols-2 lg:grid-cols-4">
-          <StatsCard title="Gesamt" value={stats.total ?? 0} icon={<Users className="h-5 w-5" />} />
-          <StatsCard title="Aktiv" value={stats.active ?? 0} icon={<UserCheck className="h-5 w-5" />} />
-          <StatsCard title="Inaktiv" value={stats.inactive ?? 0} icon={<UserMinus className="h-5 w-5" />} />
-          <StatsCard title="Ausstehend" value={stats.pending ?? 0} icon={<Clock className="h-5 w-5" />} />
+          <StatsCard
+            title="Gesamt"
+            value={stats.total ?? 0}
+            icon={<Users className="h-5 w-5" />}
+          />
+          <StatsCard
+            title="Aktiv"
+            value={stats.active ?? 0}
+            icon={<UserCheck className="h-5 w-5" />}
+          />
+          <StatsCard
+            title="Inaktiv"
+            value={stats.inactive ?? 0}
+            icon={<UserMinus className="h-5 w-5" />}
+          />
+          <StatsCard
+            title="Ausstehend"
+            value={stats.pending ?? 0}
+            icon={<Clock className="h-5 w-5" />}
+          />
         </div>
 
         <div className="grid grid-cols-1 gap-6 lg:grid-cols-2">

apps/web/app/[locale]/home/[account]/members/_lib/server/members-page.loader.ts

@@ -1,6 +1,8 @@
 import 'server-only';
 import { SupabaseClient } from '@supabase/supabase-js';
 
+import { getLogger } from '@kit/shared/logger';
+
 import { loadTeamWorkspace } from '~/home/[account]/_lib/server/team-account-workspace.loader';
 import { Database } from '~/lib/database.types';
 
@@ -49,7 +51,11 @@ async function loadAccountMembers(
   });
 
   if (error) {
-    console.error(error);
+    const logger = await getLogger();
+    logger.error(
+      { error, context: 'load-account-members' },
+      'Failed to load account members',
+    );
     throw error;
   }
 
@@ -70,7 +76,11 @@ async function loadInvitations(
   });
 
   if (error) {
-    console.error(error);
+    const logger = await getLogger();
+    logger.error(
+      { error, context: 'load-invitations' },
+      'Failed to load account invitations',
+    );
     throw error;
   }
 

apps/web/app/[locale]/home/[account]/modules/[moduleId]/[recordId]/page.tsx

@@ -1,12 +1,14 @@
-import { getSupabaseServerClient } from '@kit/supabase/server-client';
+import Link from 'next/link';
+
+import { Pencil, Trash2, Lock, Unlock } from 'lucide-react';
 
 import { createModuleBuilderApi } from '@kit/module-builder/api';
 import { ModuleForm } from '@kit/module-builder/components';
-import { Card, CardContent, CardHeader, CardTitle } from '@kit/ui/card';
+import { formatDate } from '@kit/shared/dates';
+import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { Badge } from '@kit/ui/badge';
 import { Button } from '@kit/ui/button';
-import { Pencil, Trash2, Lock, Unlock } from 'lucide-react';
-import Link from 'next/link';
+import { Card, CardContent, CardHeader, CardTitle } from '@kit/ui/card';
 
 import { CmsPageShell } from '~/components/cms-page-shell';
 
@@ -14,7 +16,9 @@ interface RecordDetailPageProps {
   params: Promise<{ account: string; moduleId: string; recordId: string }>;
 }
 
-export default async function RecordDetailPage({ params }: RecordDetailPageProps) {
+export default async function RecordDetailPage({
+  params,
+}: RecordDetailPageProps) {
   const { account, moduleId, recordId } = await params;
   const client = getSupabaseServerClient();
   const api = createModuleBuilderApi(client);
@@ -26,29 +30,49 @@ export default async function RecordDetailPage({ params }: RecordDetailPageProps
 
   if (!moduleWithFields || !record) return <div>Nicht gefunden</div>;
 
-  const fields = (moduleWithFields as unknown as {
+  const fields = (
+    moduleWithFields as unknown as {
       fields: Array<{
-      name: string; display_name: string; field_type: string;
-      is_required: boolean; placeholder: string | null;
-      help_text: string | null; is_readonly: boolean;
+        name: string;
+        display_name: string;
+        field_type: string;
+        is_required: boolean;
+        placeholder: string | null;
+        help_text: string | null;
+        is_readonly: boolean;
         select_options: Array<{ label: string; value: string }> | null;
-      section: string; sort_order: number; show_in_form: boolean; width: string;
+        section: string;
+        sort_order: number;
+        show_in_form: boolean;
+        width: string;
       }>;
-  }).fields;
+    }
+  ).fields;
 
   const data = (record.data ?? {}) as Record<string, unknown>;
   const isLocked = record.status === 'locked';
 
   return (
-    <CmsPageShell account={account} title={`${String(moduleWithFields.display_name)} — Datensatz`}>
+    <CmsPageShell
+      account={account}
+      title={`${String(moduleWithFields.display_name)} — Datensatz`}
+    >
       <div className="space-y-6">
         <div className="flex items-center justify-between">
           <div className="flex items-center gap-2">
-            <Badge variant={isLocked ? 'destructive' : record.status === 'active' ? 'default' : 'secondary'}>
+            <Badge
+              variant={
+                isLocked
+                  ? 'destructive'
+                  : record.status === 'active'
+                    ? 'default'
+                    : 'secondary'
+              }
+            >
               {String(record.status)}
             </Badge>
-            <span className="text-sm text-muted-foreground">
-              Erstellt: {new Date(record.created_at).toLocaleDateString('de-DE')}
+            <span className="text-muted-foreground text-sm">
+              Erstellt: {formatDate(record.created_at)}
             </span>
           </div>
           <div className="flex gap-2">

apps/web/app/[locale]/home/[account]/modules/[moduleId]/import/page.tsx

@@ -1,9 +1,9 @@
-import { getSupabaseServerClient } from '@kit/supabase/server-client';
+import { Upload, ArrowRight, CheckCircle } from 'lucide-react';
 
 import { createModuleBuilderApi } from '@kit/module-builder/api';
-import { Card, CardContent, CardHeader, CardTitle } from '@kit/ui/card';
+import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { Button } from '@kit/ui/button';
-import { Upload, ArrowRight, CheckCircle } from 'lucide-react';
+import { Card, CardContent, CardHeader, CardTitle } from '@kit/ui/card';
 
 import { CmsPageShell } from '~/components/cms-page-shell';
 
@@ -19,22 +19,45 @@ export default async function ImportPage({ params }: ImportPageProps) {
   const moduleWithFields = await api.modules.getModuleWithFields(moduleId);
   if (!moduleWithFields) return <div>Modul nicht gefunden</div>;
 
-  const fields = (moduleWithFields as unknown as { fields: Array<{ name: string; display_name: string }> }).fields ?? [];
+  const fields =
+    (
+      moduleWithFields as unknown as {
+        fields: Array<{ name: string; display_name: string }>;
+      }
+    ).fields ?? [];
 
   return (
-    <CmsPageShell account={account} title={`${String(moduleWithFields.display_name)} — Import`}>
+    <CmsPageShell
+      account={account}
+      title={`${String(moduleWithFields.display_name)} — Import`}
+    >
       <div className="space-y-6">
         {/* Step indicator */}
         <div className="flex items-center justify-center gap-2">
-          {['Datei hochladen', 'Spalten zuordnen', 'Vorschau', 'Importieren'].map((step, i) => (
+          {[
+            'Datei hochladen',
+            'Spalten zuordnen',
+            'Vorschau',
+            'Importieren',
+          ].map((step, i) => (
             <div key={step} className="flex items-center gap-2">
-              <div className={`flex h-8 w-8 items-center justify-center rounded-full text-xs font-bold ${
-                i === 0 ? 'bg-primary text-primary-foreground' : 'bg-muted text-muted-foreground'
-              }`}>
+              <div
+                className={`flex h-8 w-8 items-center justify-center rounded-full text-xs font-bold ${
+                  i === 0
+                    ? 'bg-primary text-primary-foreground'
+                    : 'bg-muted text-muted-foreground'
+                }`}
+              >
                 {i + 1}
               </div>
-              <span className={`text-sm ${i === 0 ? 'font-semibold' : 'text-muted-foreground'}`}>{step}</span>
-              {i < 3 && <ArrowRight className="h-4 w-4 text-muted-foreground" />}
+              <span
+                className={`text-sm ${i === 0 ? 'font-semibold' : 'text-muted-foreground'}`}
+              >
+                {step}
+              </span>
+              {i < 3 && (
+                <ArrowRight className="text-muted-foreground h-4 w-4" />
+              )}
             </div>
           ))}
         </div>
@@ -49,21 +72,30 @@ export default async function ImportPage({ params }: ImportPageProps) {
           </CardHeader>
           <CardContent>
             <div className="flex flex-col items-center justify-center rounded-lg border-2 border-dashed p-12 text-center">
-              <Upload className="mb-4 h-10 w-10 text-muted-foreground" />
-              <p className="text-lg font-semibold">CSV oder Excel-Datei hierher ziehen</p>
-              <p className="mt-1 text-sm text-muted-foreground">oder klicken zum Auswählen</p>
+              <Upload className="text-muted-foreground mb-4 h-10 w-10" />
+              <p className="text-lg font-semibold">
+                CSV oder Excel-Datei hierher ziehen
+              </p>
+              <p className="text-muted-foreground mt-1 text-sm">
+                oder klicken zum Auswählen
+              </p>
               <input
                 type="file"
                 accept=".csv,.xlsx,.xls"
-                className="mt-4 block w-full max-w-xs text-sm text-muted-foreground file:mr-4 file:rounded-md file:border-0 file:bg-primary file:px-4 file:py-2 file:text-sm file:font-semibold file:text-primary-foreground hover:file:bg-primary/90"
+                className="text-muted-foreground file:bg-primary file:text-primary-foreground hover:file:bg-primary/90 mt-4 block w-full max-w-xs text-sm file:mr-4 file:rounded-md file:border-0 file:px-4 file:py-2 file:text-sm file:font-semibold"
               />
             </div>
 
             <div className="mt-6">
-              <h4 className="text-sm font-semibold mb-2">Verfügbare Zielfelder:</h4>
+              <h4 className="mb-2 text-sm font-semibold">
+                Verfügbare Zielfelder:
+              </h4>
               <div className="flex flex-wrap gap-1">
                 {fields.map((field) => (
-                  <span key={field.name} className="rounded-md bg-muted px-2 py-1 text-xs">
+                  <span
+                    key={field.name}
+                    className="bg-muted rounded-md px-2 py-1 text-xs"
+                  >
                     {field.display_name}
                   </span>
                 ))}

apps/web/app/[locale]/home/[account]/modules/[moduleId]/new/page.tsx

@@ -1,7 +1,7 @@
-import { getSupabaseServerClient } from '@kit/supabase/server-client';
-
 import { createModuleBuilderApi } from '@kit/module-builder/api';
 import { ModuleForm } from '@kit/module-builder/components';
+import { getSupabaseServerClient } from '@kit/supabase/server-client';
+
 import { CmsPageShell } from '~/components/cms-page-shell';
 
 interface NewRecordPageProps {
@@ -16,18 +16,30 @@ export default async function NewRecordPage({ params }: NewRecordPageProps) {
   const moduleWithFields = await api.modules.getModuleWithFields(moduleId);
   if (!moduleWithFields) return <div>Modul nicht gefunden</div>;
 
-  const fields = (moduleWithFields as unknown as {
+  const fields = (
+    moduleWithFields as unknown as {
       fields: Array<{
-      name: string; display_name: string; field_type: string;
-      is_required: boolean; placeholder: string | null;
-      help_text: string | null; is_readonly: boolean;
+        name: string;
+        display_name: string;
+        field_type: string;
+        is_required: boolean;
+        placeholder: string | null;
+        help_text: string | null;
+        is_readonly: boolean;
         select_options: Array<{ label: string; value: string }> | null;
-      section: string; sort_order: number; show_in_form: boolean; width: string;
+        section: string;
+        sort_order: number;
+        show_in_form: boolean;
+        width: string;
       }>;
-  }).fields;
+    }
+  ).fields;
 
   return (
-    <CmsPageShell account={account} title={`${String(moduleWithFields.display_name)} — Neuer Datensatz`}>
+    <CmsPageShell
+      account={account}
+      title={`${String(moduleWithFields.display_name)} — Neuer Datensatz`}
+    >
       <div className="mx-auto max-w-3xl">
         <ModuleForm
           fields={fields as Parameters<typeof ModuleForm>[0]['fields']}

apps/web/app/[locale]/home/[account]/modules/[moduleId]/page.tsx

@@ -1,13 +1,15 @@
-import { getSupabaseServerClient } from '@kit/supabase/server-client';
-
 import { createModuleBuilderApi } from '@kit/module-builder/api';
+import { getSupabaseServerClient } from '@kit/supabase/server-client';
 
 interface ModuleDetailPageProps {
   params: Promise<{ account: string; moduleId: string }>;
   searchParams: Promise<Record<string, string | string[] | undefined>>;
 }
 
-export default async function ModuleDetailPage({ params, searchParams }: ModuleDetailPageProps) {
+export default async function ModuleDetailPage({
+  params,
+  searchParams,
+}: ModuleDetailPageProps) {
   const { account, moduleId } = await params;
   const search = await searchParams;
   const client = getSupabaseServerClient();
@@ -20,14 +22,21 @@ export default async function ModuleDetailPage({ params, searchParams }: ModuleD
   }
 
   const page = Number(search.page) || 1;
-  const pageSize = Number(search.pageSize) || moduleWithFields.default_page_size || 25;
+  const pageSize =
+    Number(search.pageSize) || moduleWithFields.default_page_size || 25;
 
   const result = await api.query.query({
     moduleId,
     page,
     pageSize,
-    sortField: (search.sort as string) ?? moduleWithFields.default_sort_field ?? undefined,
-    sortDirection: (search.dir as 'asc' | 'desc') ?? (moduleWithFields.default_sort_direction as 'asc' | 'desc') ?? 'asc',
+    sortField:
+      (search.sort as string) ??
+      moduleWithFields.default_sort_field ??
+      undefined,
+    sortDirection:
+      (search.dir as 'asc' | 'desc') ??
+      (moduleWithFields.default_sort_direction as 'asc' | 'desc') ??
+      'asc',
     search: (search.q as string) ?? undefined,
     filters: [],
   });
@@ -36,20 +45,25 @@ export default async function ModuleDetailPage({ params, searchParams }: ModuleD
     <div className="flex flex-col gap-4">
       <div className="flex items-center justify-between">
         <div>
-          <h1 className="text-2xl font-bold">{moduleWithFields.display_name}</h1>
+          <h1 className="text-2xl font-bold">
+            {moduleWithFields.display_name}
+          </h1>
           {moduleWithFields.description && (
-            <p className="text-muted-foreground">{moduleWithFields.description}</p>
+            <p className="text-muted-foreground">
+              {moduleWithFields.description}
+            </p>
           )}
         </div>
       </div>
 
-      <div className="text-sm text-muted-foreground">
-        {result.pagination.total} Datensätze — Seite {result.pagination.page} von {result.pagination.totalPages}
+      <div className="text-muted-foreground text-sm">
+        {result.pagination.total} Datensätze — Seite {result.pagination.page}{' '}
+        von {result.pagination.totalPages}
       </div>
 
       {/* Phase 3 will replace this with module-table component */}
       <div className="rounded-lg border">
-        <pre className="p-4 text-xs overflow-auto max-h-96">
+        <pre className="max-h-96 overflow-auto p-4 text-xs">
           {JSON.stringify(result.data, null, 2)}
         </pre>
       </div>

apps/web/app/[locale]/home/[account]/modules/[moduleId]/settings/page.tsx

@@ -1,12 +1,12 @@
-import { getSupabaseServerClient } from '@kit/supabase/server-client';
+import { Settings2, List, Shield } from 'lucide-react';
 
 import { createModuleBuilderApi } from '@kit/module-builder/api';
-import { Card, CardContent, CardHeader, CardTitle } from '@kit/ui/card';
+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 { Input } from '@kit/ui/input';
 import { Label } from '@kit/ui/label';
-import { Settings2, List, Shield } from 'lucide-react';
 
 import { CmsPageShell } from '~/components/cms-page-shell';
 
@@ -14,7 +14,9 @@ interface ModuleSettingsPageProps {
   params: Promise<{ account: string; moduleId: string }>;
 }
 
-export default async function ModuleSettingsPage({ params }: ModuleSettingsPageProps) {
+export default async function ModuleSettingsPage({
+  params,
+}: ModuleSettingsPageProps) {
   const { account, moduleId } = await params;
   const client = getSupabaseServerClient();
   const api = createModuleBuilderApi(client);
@@ -23,10 +25,14 @@ export default async function ModuleSettingsPage({ params }: ModuleSettingsPageP
   if (!moduleWithFields) return <div>Modul nicht gefunden</div>;
 
   const mod = moduleWithFields;
-  const fields = (mod as unknown as { fields: Array<Record<string, unknown>> }).fields ?? [];
+  const fields =
+    (mod as unknown as { fields: Array<Record<string, unknown>> }).fields ?? [];
 
   return (
-    <CmsPageShell account={account} title={`${String(mod.display_name)} — Einstellungen`}>
+    <CmsPageShell
+      account={account}
+      title={`${String(mod.display_name)} — Einstellungen`}
+    >
       <div className="space-y-6">
         {/* General Settings */}
         <Card>
@@ -44,7 +50,11 @@ export default async function ModuleSettingsPage({ params }: ModuleSettingsPageP
               </div>
               <div className="space-y-2">
                 <Label>Systemname</Label>
-                <Input defaultValue={String(mod.name)} readOnly className="bg-muted" />
+                <Input
+                  defaultValue={String(mod.name)}
+                  readOnly
+                  className="bg-muted"
+                />
               </div>
               <div className="col-span-full space-y-2">
                 <Label>Beschreibung</Label>
@@ -56,7 +66,10 @@ export default async function ModuleSettingsPage({ params }: ModuleSettingsPageP
               </div>
               <div className="space-y-2">
                 <Label>Seitengröße</Label>
-                <Input type="number" defaultValue={String(mod.default_page_size ?? 25)} />
+                <Input
+                  type="number"
+                  defaultValue={String(mod.default_page_size ?? 25)}
+                />
               </div>
             </div>
             <div className="flex flex-wrap gap-2">
@@ -73,7 +86,11 @@ export default async function ModuleSettingsPage({ params }: ModuleSettingsPageP
               ].map(({ key, label }) => (
                 <Badge
                   key={key}
-                  variant={(mod as Record<string, unknown>)[key] ? 'default' : 'secondary'}
+                  variant={
+                    (mod as Record<string, unknown>)[key]
+                      ? 'default'
+                      : 'secondary'
+                  }
                 >
                   {(mod as Record<string, unknown>)[key] ? '✓' : '✗'} {label}
                 </Badge>
@@ -96,7 +113,7 @@ export default async function ModuleSettingsPage({ params }: ModuleSettingsPageP
             <div className="rounded-md border">
               <table className="w-full text-sm">
                 <thead>
-                  <tr className="border-b bg-muted/50">
+                  <tr className="bg-muted/50 border-b">
                     <th className="p-3 text-left">Name</th>
                     <th className="p-3 text-left">Anzeigename</th>
                     <th className="p-3 text-left">Typ</th>
@@ -108,21 +125,35 @@ export default async function ModuleSettingsPage({ params }: ModuleSettingsPageP
                 <tbody>
                   {fields.length === 0 ? (
                     <tr>
-                      <td colSpan={6} className="p-8 text-center text-muted-foreground">
+                      <td
+                        colSpan={6}
+                        className="text-muted-foreground p-8 text-center"
+                      >
                         Noch keine Felder definiert
                       </td>
                     </tr>
                   ) : (
                     fields.map((field) => (
-                      <tr key={String(field.id)} className="border-b hover:bg-muted/30">
-                        <td className="p-3 font-mono text-xs">{String(field.name)}</td>
+                      <tr
+                        key={String(field.id)}
+                        className="hover:bg-muted/30 border-b"
+                      >
+                        <td className="p-3 font-mono text-xs">
+                          {String(field.name)}
+                        </td>
                         <td className="p-3">{String(field.display_name)}</td>
                         <td className="p-3">
-                          <Badge variant="secondary">{String(field.field_type)}</Badge>
+                          <Badge variant="secondary">
+                            {String(field.field_type)}
+                          </Badge>
                         </td>
                         <td className="p-3">{field.is_required ? '✓' : '—'}</td>
-                        <td className="p-3">{field.show_in_table ? '✓' : '—'}</td>
-                        <td className="p-3">{field.show_in_form ? '✓' : '—'}</td>
+                        <td className="p-3">
+                          {field.show_in_table ? '✓' : '—'}
+                        </td>
+                        <td className="p-3">
+                          {field.show_in_form ? '✓' : '—'}
+                        </td>
                       </tr>
                     ))
                   )}
@@ -141,8 +172,9 @@ export default async function ModuleSettingsPage({ params }: ModuleSettingsPageP
             </CardTitle>
           </CardHeader>
           <CardContent>
-            <p className="text-sm text-muted-foreground">
-              Modulspezifische Berechtigungen pro Rolle können hier konfiguriert werden.
+            <p className="text-muted-foreground text-sm">
+              Modulspezifische Berechtigungen pro Rolle können hier konfiguriert
+              werden.
             </p>
           </CardContent>
         </Card>

apps/web/app/[locale]/home/[account]/modules/_components/module-toggles.tsx

@@ -1,11 +1,12 @@
 'use client';
 
-import { useRouter } from 'next/navigation';
 import { useTransition } from 'react';
 
-import { Fish, FileSignature, Building2 } from 'lucide-react';
-import { toast } from '@kit/ui/sonner';
+import { useRouter } from 'next/navigation';
 
+import { Fish, FileSignature, Building2 } from 'lucide-react';
+
+import { toast } from '@kit/ui/sonner';
 import { Switch } from '@kit/ui/switch';
 
 import { toggleModuleAction } from '../_lib/server/toggle-module';
@@ -55,9 +56,7 @@ export function ModuleToggles({ accountId, features }: ModuleTogglesProps) {
       const result = await toggleModuleAction(accountId, moduleKey, enabled);
 
       if (result.success) {
-        toast.success(
-          enabled ? 'Modul aktiviert' : 'Modul deaktiviert',
-        );
+        toast.success(enabled ? 'Modul aktiviert' : 'Modul deaktiviert');
 
         router.refresh();
       } else {

apps/web/app/[locale]/home/[account]/modules/_lib/server/toggle-module.ts

@@ -18,8 +18,7 @@ export async function toggleModuleAction(
     .eq('account_id', accountId)
     .maybeSingle();
 
-  const currentFeatures =
-    (settings?.features as Record<string, boolean>) ?? {};
+  const currentFeatures = (settings?.features as Record<string, boolean>) ?? {};
   const newFeatures = { ...currentFeatures, [moduleKey]: enabled };
 
   // Upsert

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

@@ -1,11 +1,10 @@
 import Link from 'next/link';
 
+import { createModuleBuilderApi } from '@kit/module-builder/api';
 import { getSupabaseServerClient } from '@kit/supabase/server-client';
 
-import { createModuleBuilderApi } from '@kit/module-builder/api';
-
-import { CmsPageShell } from '~/components/cms-page-shell';
 import { AccountNotFound } from '~/components/account-not-found';
+import { CmsPageShell } from '~/components/cms-page-shell';
 
 import { ModuleToggles } from './_components/module-toggles';
 
@@ -61,17 +60,15 @@ export default async function ModulesPage({ params }: ModulesPageProps) {
               <Link
                 key={module.id as string}
                 href={`/home/${account}/modules/${module.id as string}`}
-                className="block rounded-lg border p-4 hover:bg-accent/50 transition-colors"
+                className="hover:bg-accent/50 block rounded-lg border p-4 transition-colors"
               >
-                <h3 className="font-semibold">
-                  {String(module.display_name)}
-                </h3>
+                <h3 className="font-semibold">{String(module.display_name)}</h3>
                 {module.description ? (
-                  <p className="text-sm text-muted-foreground mt-1">
+                  <p className="text-muted-foreground mt-1 text-sm">
                     {String(module.description)}
                   </p>
                 ) : null}
-                <div className="mt-2 text-xs text-muted-foreground">
+                <div className="text-muted-foreground mt-2 text-xs">
                   Status: {String(module.status)}
                 </div>
               </Link>

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

@@ -2,16 +2,15 @@ import Link from 'next/link';
 
 import { ArrowLeft, 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 { createNewsletterApi } from '@kit/newsletter/api';
-
+import { AccountNotFound } from '~/components/account-not-found';
 import { CmsPageShell } from '~/components/cms-page-shell';
 import { StatsCard } from '~/components/stats-card';
-import { AccountNotFound } from '~/components/account-not-found';
 import {
   NEWSLETTER_STATUS_VARIANT,
   NEWSLETTER_STATUS_LABEL,
@@ -42,7 +41,7 @@ export default async function NewsletterDetailPage({ params }: PageProps) {
     api.getRecipients(campaignId),
   ]);
 
-  if (!newsletter) return <div>Newsletter nicht gefunden</div>;
+  if (!newsletter) return <AccountNotFound />;
 
   const status = String(newsletter.status);
   const sentCount = recipients.filter(
@@ -61,6 +60,7 @@ export default async function NewsletterDetailPage({ params }: PageProps) {
           <Link
             href={`/home/${account}/newsletter`}
             className="text-muted-foreground hover:text-foreground inline-flex items-center text-sm"
+            data-test="newsletter-back-link"
           >
             <ArrowLeft className="mr-1 h-4 w-4" />
             Zurück zu Newsletter
@@ -99,7 +99,7 @@ export default async function NewsletterDetailPage({ params }: PageProps) {
             {/* Actions */}
             {status === 'draft' && (
               <div className="mt-6">
-                <Button>
+                <Button data-test="newsletter-send-btn">
                   <Send className="mr-2 h-4 w-4" />
                   Newsletter versenden
                 </Button>
@@ -115,7 +115,7 @@ export default async function NewsletterDetailPage({ params }: PageProps) {
           </CardHeader>
           <CardContent>
             {recipients.length === 0 ? (
-              <p className="py-8 text-center text-sm text-muted-foreground">
+              <p className="text-muted-foreground py-8 text-center text-sm">
                 Keine Empfänger hinzugefügt. Fügen Sie Empfänger aus Ihrer
                 Mitgliederliste hinzu.
               </p>
@@ -123,7 +123,7 @@ export default async function NewsletterDetailPage({ params }: PageProps) {
               <div className="rounded-md border">
                 <table className="w-full text-sm">
                   <thead>
-                    <tr className="border-b bg-muted/50">
+                    <tr className="bg-muted/50 border-b">
                       <th className="p-3 text-left font-medium">Name</th>
                       <th className="p-3 text-left font-medium">E-Mail</th>
                       <th className="p-3 text-left font-medium">Status</th>
@@ -135,7 +135,7 @@ export default async function NewsletterDetailPage({ params }: PageProps) {
                       return (
                         <tr
                           key={String(recipient.id)}
-                          className="border-b hover:bg-muted/30"
+                          className="hover:bg-muted/30 border-b"
                         >
                           <td className="p-3 font-medium">
                             {String(recipient.name ?? '—')}
@@ -146,10 +146,12 @@ export default async function NewsletterDetailPage({ params }: PageProps) {
                           <td className="p-3">
                             <Badge
                               variant={
-                                NEWSLETTER_RECIPIENT_STATUS_VARIANT[rStatus] ?? 'secondary'
+                                NEWSLETTER_RECIPIENT_STATUS_VARIANT[rStatus] ??
+                                'secondary'
                               }
                             >
-                              {NEWSLETTER_RECIPIENT_STATUS_LABEL[rStatus] ?? rStatus}
+                              {NEWSLETTER_RECIPIENT_STATUS_LABEL[rStatus] ??
+                                rStatus}
                             </Badge>
                           </td>
                         </tr>

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

@@ -1,18 +1,29 @@
-import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { CreateNewsletterForm } from '@kit/newsletter/components';
-import { CmsPageShell } from '~/components/cms-page-shell';
-import { AccountNotFound } from '~/components/account-not-found';
+import { getSupabaseServerClient } from '@kit/supabase/server-client';
 
-interface Props { params: Promise<{ account: string }> }
+import { AccountNotFound } from '~/components/account-not-found';
+import { CmsPageShell } from '~/components/cms-page-shell';
+
+interface Props {
+  params: Promise<{ account: string }>;
+}
 
 export default async function NewNewsletterPage({ params }: Props) {
   const { account } = await params;
   const client = getSupabaseServerClient();
-  const { data: acct } = await client.from('accounts').select('id').eq('slug', account).single();
+  const { data: acct } = await client
+    .from('accounts')
+    .select('id')
+    .eq('slug', account)
+    .single();
   if (!acct) return <AccountNotFound />;
 
   return (
-    <CmsPageShell account={account} title="Neuer Newsletter" description="Newsletter-Kampagne erstellen">
+    <CmsPageShell
+      account={account}
+      title="Neuer Newsletter"
+      description="Newsletter-Kampagne erstellen"
+    >
       <CreateNewsletterForm accountId={acct.id} account={account} />
     </CmsPageShell>
   );

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

@@ -1,18 +1,25 @@
 import Link from 'next/link';
 
-import { ChevronLeft, ChevronRight, Mail, Plus, Send, Users } from 'lucide-react';
+import {
+  ChevronLeft,
+  ChevronRight,
+  Mail,
+  Plus,
+  Send,
+  Users,
+} from 'lucide-react';
 
+import { createNewsletterApi } from '@kit/newsletter/api';
+import { formatDate } from '@kit/shared/dates';
 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 { createNewsletterApi } from '@kit/newsletter/api';
-
+import { AccountNotFound } from '~/components/account-not-found';
 import { CmsPageShell } from '~/components/cms-page-shell';
 import { EmptyState } from '~/components/empty-state';
 import { StatsCard } from '~/components/stats-card';
-import { AccountNotFound } from '~/components/account-not-found';
 import {
   NEWSLETTER_STATUS_VARIANT,
   NEWSLETTER_STATUS_LABEL,
@@ -25,7 +32,10 @@ interface PageProps {
   searchParams: Promise<Record<string, string | string[] | undefined>>;
 }
 
-export default async function NewsletterPage({ params, searchParams }: PageProps) {
+export default async function NewsletterPage({
+  params,
+  searchParams,
+}: PageProps) {
   const { account } = await params;
   const search = await searchParams;
   const client = getSupabaseServerClient();
@@ -72,7 +82,7 @@ export default async function NewsletterPage({ params, searchParams }: PageProps
           </div>
 
           <Link href={`/home/${account}/newsletter/new`}>
-            <Button>
+            <Button data-test="newsletter-new-btn">
               <Plus className="mr-2 h-4 w-4" />
               Neuer Newsletter
             </Button>
@@ -116,7 +126,7 @@ export default async function NewsletterPage({ params, searchParams }: PageProps
               <div className="rounded-md border">
                 <table className="w-full text-sm">
                   <thead>
-                    <tr className="border-b bg-muted/50">
+                    <tr className="bg-muted/50 border-b">
                       <th className="p-3 text-left font-medium">Betreff</th>
                       <th className="p-3 text-left font-medium">Status</th>
                       <th className="p-3 text-right font-medium">Empfänger</th>
@@ -128,7 +138,7 @@ export default async function NewsletterPage({ params, searchParams }: PageProps
                     {newsletters.map((nl: Record<string, unknown>) => (
                       <tr
                         key={String(nl.id)}
-                        className="border-b hover:bg-muted/30"
+                        className="hover:bg-muted/30 border-b"
                       >
                         <td className="p-3 font-medium">
                           <Link
@@ -141,10 +151,12 @@ export default async function NewsletterPage({ params, searchParams }: PageProps
                         <td className="p-3">
                           <Badge
                             variant={
-                              NEWSLETTER_STATUS_VARIANT[String(nl.status)] ?? 'secondary'
+                              NEWSLETTER_STATUS_VARIANT[String(nl.status)] ??
+                              'secondary'
                             }
                           >
-                            {NEWSLETTER_STATUS_LABEL[String(nl.status)] ?? String(nl.status)}
+                            {NEWSLETTER_STATUS_LABEL[String(nl.status)] ??
+                              String(nl.status)}
                           </Badge>
                         </td>
                         <td className="p-3 text-right">
@@ -152,16 +164,8 @@ export default async function NewsletterPage({ params, searchParams }: PageProps
                             ? String(nl.total_recipients)
                             : '—'}
                         </td>
-                        <td className="p-3">
-                          {nl.created_at
-                            ? new Date(String(nl.created_at)).toLocaleDateString('de-DE')
-                            : '—'}
-                        </td>
-                        <td className="p-3">
-                          {nl.sent_at
-                            ? new Date(String(nl.sent_at)).toLocaleDateString('de-DE')
-                            : '—'}
-                        </td>
+                        <td className="p-3">{formatDate(nl.created_at)}</td>
+                        <td className="p-3">{formatDate(nl.sent_at)}</td>
                       </tr>
                     ))}
                   </tbody>
@@ -171,12 +175,15 @@ export default async function NewsletterPage({ params, searchParams }: PageProps
               {/* Pagination */}
               {totalPages > 1 && (
                 <div className="flex items-center justify-between pt-4">
-                  <p className="text-sm text-muted-foreground">
-                    {startIdx + 1}–{Math.min(startIdx + PAGE_SIZE, totalItems)} von {totalItems}
+                  <p className="text-muted-foreground text-sm">
+                    {startIdx + 1}–{Math.min(startIdx + PAGE_SIZE, totalItems)}{' '}
+                    von {totalItems}
                   </p>
                   <div className="flex items-center gap-1">
                     {safePage > 1 ? (
-                      <Link href={`/home/${account}/newsletter?page=${safePage - 1}`}>
+                      <Link
+                        href={`/home/${account}/newsletter?page=${safePage - 1}`}
+                      >
                         <Button variant="outline" size="sm">
                           <ChevronLeft className="h-4 w-4" />
                         </Button>
@@ -192,7 +199,9 @@ export default async function NewsletterPage({ params, searchParams }: PageProps
                     </span>
 
                     {safePage < totalPages ? (
-                      <Link href={`/home/${account}/newsletter?page=${safePage + 1}`}>
+                      <Link
+                        href={`/home/${account}/newsletter?page=${safePage + 1}`}
+                      >
                         <Button variant="outline" size="sm">
                           <ChevronRight className="h-4 w-4" />
                         </Button>

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

@@ -2,16 +2,15 @@ import Link from 'next/link';
 
 import { FileText, Plus } 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 { createNewsletterApi } from '@kit/newsletter/api';
-
+import { AccountNotFound } from '~/components/account-not-found';
 import { CmsPageShell } from '~/components/cms-page-shell';
 import { EmptyState } from '~/components/empty-state';
-import { AccountNotFound } from '~/components/account-not-found';
 
 interface PageProps {
   params: Promise<{ account: string }>;
@@ -44,7 +43,7 @@ export default async function NewsletterTemplatesPage({ params }: PageProps) {
             </p>
           </div>
 
-          <Button>
+          <Button data-test="newsletter-templates-new-btn">
             <Plus className="mr-2 h-4 w-4" />
             Neue Vorlage
           </Button>
@@ -67,7 +66,7 @@ export default async function NewsletterTemplatesPage({ params }: PageProps) {
               <div className="rounded-md border">
                 <table className="w-full text-sm">
                   <thead>
-                    <tr className="border-b bg-muted/50">
+                    <tr className="bg-muted/50 border-b">
                       <th className="p-3 text-left font-medium">Name</th>
                       <th className="p-3 text-left font-medium">Betreff</th>
                       <th className="p-3 text-left font-medium">Variablen</th>
@@ -81,7 +80,7 @@ export default async function NewsletterTemplatesPage({ params }: PageProps) {
                       return (
                         <tr
                           key={String(template.id)}
-                          className="border-b hover:bg-muted/30"
+                          className="hover:bg-muted/30 border-b"
                         >
                           <td className="p-3 font-medium">
                             {String(template.name ?? '—')}
@@ -91,8 +90,8 @@ export default async function NewsletterTemplatesPage({ params }: PageProps) {
                           </td>
                           <td className="p-3">
                             <div className="flex flex-wrap gap-1">
-                              {variables.length > 0
-                                ? variables.map((v) => (
+                              {variables.length > 0 ? (
+                                variables.map((v) => (
                                   <Badge
                                     key={v}
                                     variant="secondary"
@@ -101,7 +100,9 @@ export default async function NewsletterTemplatesPage({ params }: PageProps) {
                                     {`{{${v}}}`}
                                   </Badge>
                                 ))
-                                : <span className="text-muted-foreground">—</span>}
+                              ) : (
+                                <span className="text-muted-foreground">—</span>
+                              )}
                             </div>
                           </td>
                         </tr>

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

@@ -13,9 +13,15 @@ import {
   BedDouble,
 } from 'lucide-react';
 
+import { createBookingManagementApi } from '@kit/booking-management/api';
+import { createCourseManagementApi } from '@kit/course-management/api';
+import { createEventManagementApi } from '@kit/event-management/api';
+import { createFinanceApi } from '@kit/finance/api';
+import { createMemberManagementApi } from '@kit/member-management/api';
+import { createNewsletterApi } from '@kit/newsletter/api';
+import { formatDate } from '@kit/shared/dates';
 import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { Badge } from '@kit/ui/badge';
-
 import {
   Card,
   CardContent,
@@ -24,17 +30,10 @@ import {
   CardTitle,
 } from '@kit/ui/card';
 
-import { createMemberManagementApi } from '@kit/member-management/api';
-import { createCourseManagementApi } from '@kit/course-management/api';
-import { createFinanceApi } from '@kit/finance/api';
-import { createNewsletterApi } from '@kit/newsletter/api';
-import { createBookingManagementApi } from '@kit/booking-management/api';
-import { createEventManagementApi } from '@kit/event-management/api';
-
+import { AccountNotFound } from '~/components/account-not-found';
 import { CmsPageShell } from '~/components/cms-page-shell';
 import { EmptyState } from '~/components/empty-state';
 import { StatsCard } from '~/components/stats-card';
-import { AccountNotFound } from '~/components/account-not-found';
 
 interface TeamAccountHomePageProps {
   params: Promise<{ account: string }>;
@@ -79,7 +78,12 @@ export default async function TeamAccountHomePage({
   const courseStats =
     courseStatsResult.status === 'fulfilled'
       ? courseStatsResult.value
-      : { totalCourses: 0, openCourses: 0, completedCourses: 0, totalParticipants: 0 };
+      : {
+          totalCourses: 0,
+          openCourses: 0,
+          completedCourses: 0,
+          totalParticipants: 0,
+        };
 
   const openInvoices =
     invoicesResult.status === 'fulfilled' ? invoicesResult.value : [];
@@ -145,7 +149,9 @@ export default async function TeamAccountHomePage({
             <CardContent>
               <div className="space-y-4">
                 {/* Recent bookings */}
-                {bookings.data.slice(0, 3).map((booking: Record<string, unknown>) => (
+                {bookings.data
+                  .slice(0, 3)
+                  .map((booking: Record<string, unknown>) => (
                     <div
                       key={String(booking.id)}
                       className="flex items-center justify-between rounded-md border p-3"
@@ -161,26 +167,12 @@ export default async function TeamAccountHomePage({
                           >
                             Buchung{' '}
                             {booking.check_in
-                            ? new Date(
-                                String(booking.check_in),
-                              ).toLocaleDateString('de-DE', {
-                                day: '2-digit',
-                                month: 'short',
-                              })
+                              ? formatDate(booking.check_in as string)
                               : '—'}
                           </Link>
-                        <p className="text-xs text-muted-foreground">
-                          {booking.check_in
-                            ? new Date(
-                                String(booking.check_in),
-                              ).toLocaleDateString('de-DE')
-                            : '—'}{' '}
-                          –{' '}
-                          {booking.check_out
-                            ? new Date(
-                                String(booking.check_out),
-                              ).toLocaleDateString('de-DE')
-                            : '—'}
+                          <p className="text-muted-foreground text-xs">
+                            {formatDate(booking.check_in as string)} –{' '}
+                            {formatDate(booking.check_out as string)}
                           </p>
                         </div>
                       </div>
@@ -191,7 +183,9 @@ export default async function TeamAccountHomePage({
                   ))}
 
                 {/* Recent events */}
-                {events.data.slice(0, 3).map((event: Record<string, unknown>) => (
+                {events.data
+                  .slice(0, 3)
+                  .map((event: Record<string, unknown>) => (
                     <div
                       key={String(event.id)}
                       className="flex items-center justify-between rounded-md border p-3"
@@ -207,12 +201,8 @@ export default async function TeamAccountHomePage({
                           >
                             {String(event.name)}
                           </Link>
-                        <p className="text-xs text-muted-foreground">
-                          {event.event_date
-                            ? new Date(
-                                String(event.event_date),
-                              ).toLocaleDateString('de-DE')
-                            : 'Kein Datum'}
+                          <p className="text-muted-foreground text-xs">
+                            {formatDate(event.event_date as string)}
                           </p>
                         </div>
                       </div>
@@ -242,7 +232,7 @@ export default async function TeamAccountHomePage({
             <CardContent className="flex flex-col gap-2">
               <Link
                 href={`/home/${account}/members-cms/new`}
-                className="inline-flex w-full items-center justify-between gap-2 rounded-lg border border-border bg-background px-4 py-2 text-sm font-medium hover:bg-muted hover:text-foreground transition-all"
+                className="border-border bg-background hover:bg-muted hover:text-foreground inline-flex w-full items-center justify-between gap-2 rounded-lg border px-4 py-2 text-sm font-medium transition-all"
               >
                 <span className="flex items-center gap-2">
                   <UserPlus className="h-4 w-4" />
@@ -253,7 +243,7 @@ export default async function TeamAccountHomePage({
 
               <Link
                 href={`/home/${account}/courses/new`}
-                className="inline-flex w-full items-center justify-between gap-2 rounded-lg border border-border bg-background px-4 py-2 text-sm font-medium hover:bg-muted hover:text-foreground transition-all"
+                className="border-border bg-background hover:bg-muted hover:text-foreground inline-flex w-full items-center justify-between gap-2 rounded-lg border px-4 py-2 text-sm font-medium transition-all"
               >
                 <span className="flex items-center gap-2">
                   <GraduationCap className="h-4 w-4" />
@@ -264,7 +254,7 @@ export default async function TeamAccountHomePage({
 
               <Link
                 href={`/home/${account}/newsletter/new`}
-                className="inline-flex w-full items-center justify-between gap-2 rounded-lg border border-border bg-background px-4 py-2 text-sm font-medium hover:bg-muted hover:text-foreground transition-all"
+                className="border-border bg-background hover:bg-muted hover:text-foreground inline-flex w-full items-center justify-between gap-2 rounded-lg border px-4 py-2 text-sm font-medium transition-all"
               >
                 <span className="flex items-center gap-2">
                   <Mail className="h-4 w-4" />
@@ -275,7 +265,7 @@ export default async function TeamAccountHomePage({
 
               <Link
                 href={`/home/${account}/bookings/new`}
-                className="inline-flex w-full items-center justify-between gap-2 rounded-lg border border-border bg-background px-4 py-2 text-sm font-medium hover:bg-muted hover:text-foreground transition-all"
+                className="border-border bg-background hover:bg-muted hover:text-foreground inline-flex w-full items-center justify-between gap-2 rounded-lg border px-4 py-2 text-sm font-medium transition-all"
               >
                 <span className="flex items-center gap-2">
                   <BedDouble className="h-4 w-4" />
@@ -286,7 +276,7 @@ export default async function TeamAccountHomePage({
 
               <Link
                 href={`/home/${account}/events/new`}
-                className="inline-flex w-full items-center justify-between gap-2 rounded-lg border border-border bg-background px-4 py-2 text-sm font-medium hover:bg-muted hover:text-foreground transition-all"
+                className="border-border bg-background hover:bg-muted hover:text-foreground inline-flex w-full items-center justify-between gap-2 rounded-lg border px-4 py-2 text-sm font-medium transition-all"
               >
                 <span className="flex items-center gap-2">
                   <Plus className="h-4 w-4" />
@@ -304,21 +294,23 @@ export default async function TeamAccountHomePage({
             <CardContent className="p-6">
               <div className="flex items-center justify-between">
                 <div>
-                  <p className="text-sm font-medium text-muted-foreground">
+                  <p className="text-muted-foreground text-sm font-medium">
                     Buchungen
                   </p>
                   <p className="text-2xl font-bold">{bookings.total}</p>
-                  <p className="text-xs text-muted-foreground">
-                    {bookings.data.filter(
+                  <p className="text-muted-foreground text-xs">
+                    {
+                      bookings.data.filter(
                         (b: Record<string, unknown>) =>
                           b.status === 'confirmed' || b.status === 'checked_in',
-                    ).length}{' '}
+                      ).length
+                    }{' '}
                     aktiv
                   </p>
                 </div>
                 <Link
                   href={`/home/${account}/bookings`}
-                  className="inline-flex h-9 w-9 items-center justify-center rounded-lg text-sm font-medium hover:bg-muted hover:text-foreground transition-all"
+                  className="hover:bg-muted hover:text-foreground inline-flex h-9 w-9 items-center justify-center rounded-lg text-sm font-medium transition-all"
                 >
                   <ArrowRight className="h-4 w-4" />
                 </Link>
@@ -330,22 +322,24 @@ export default async function TeamAccountHomePage({
             <CardContent className="p-6">
               <div className="flex items-center justify-between">
                 <div>
-                  <p className="text-sm font-medium text-muted-foreground">
+                  <p className="text-muted-foreground text-sm font-medium">
                     Veranstaltungen
                   </p>
                   <p className="text-2xl font-bold">{events.total}</p>
-                  <p className="text-xs text-muted-foreground">
-                    {events.data.filter(
+                  <p className="text-muted-foreground text-xs">
+                    {
+                      events.data.filter(
                         (e: Record<string, unknown>) =>
                           e.status === 'published' ||
                           e.status === 'registration_open',
-                    ).length}{' '}
+                      ).length
+                    }{' '}
                     aktiv
                   </p>
                 </div>
                 <Link
                   href={`/home/${account}/events`}
-                  className="inline-flex h-9 w-9 items-center justify-center rounded-lg text-sm font-medium hover:bg-muted hover:text-foreground transition-all"
+                  className="hover:bg-muted hover:text-foreground inline-flex h-9 w-9 items-center justify-center rounded-lg text-sm font-medium transition-all"
                 >
                   <ArrowRight className="h-4 w-4" />
                 </Link>
@@ -357,19 +351,19 @@ export default async function TeamAccountHomePage({
             <CardContent className="p-6">
               <div className="flex items-center justify-between">
                 <div>
-                  <p className="text-sm font-medium text-muted-foreground">
+                  <p className="text-muted-foreground text-sm font-medium">
                     Kurse abgeschlossen
                   </p>
                   <p className="text-2xl font-bold">
                     {courseStats.completedCourses}
                   </p>
-                  <p className="text-xs text-muted-foreground">
+                  <p className="text-muted-foreground text-xs">
                     von {courseStats.totalCourses} insgesamt
                   </p>
                 </div>
                 <Link
                   href={`/home/${account}/courses`}
-                  className="inline-flex h-9 w-9 items-center justify-center rounded-lg text-sm font-medium hover:bg-muted hover:text-foreground transition-all"
+                  className="hover:bg-muted hover:text-foreground inline-flex h-9 w-9 items-center justify-center rounded-lg text-sm font-medium transition-all"
                 >
                   <ArrowRight className="h-4 w-4" />
                 </Link>

apps/web/app/[locale]/home/[account]/site-builder/[pageId]/edit/page.tsx

@@ -1,19 +1,32 @@
-import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { createSiteBuilderApi } from '@kit/site-builder/api';
 import { SiteEditor } from '@kit/site-builder/components';
+import { getSupabaseServerClient } from '@kit/supabase/server-client';
+
 import { AccountNotFound } from '~/components/account-not-found';
 
-interface Props { params: Promise<{ account: string; pageId: string }> }
+interface Props {
+  params: Promise<{ account: string; pageId: string }>;
+}
 
 export default async function EditPageRoute({ params }: Props) {
   const { account, pageId } = await params;
   const client = getSupabaseServerClient();
-  const { data: acct } = await client.from('accounts').select('id').eq('slug', account).single();
+  const { data: acct } = await client
+    .from('accounts')
+    .select('id')
+    .eq('slug', account)
+    .single();
   if (!acct) return <AccountNotFound />;
 
   const api = createSiteBuilderApi(client);
   const page = await api.getPage(pageId);
-  if (!page) return <div>Seite nicht gefunden</div>;
+  if (!page) return <AccountNotFound />;
 
-  return <SiteEditor pageId={pageId} accountId={acct.id} initialData={(page.puck_data ?? {}) as Record<string, unknown>} />;
+  return (
+    <SiteEditor
+      pageId={pageId}
+      accountId={acct.id}
+      initialData={(page.puck_data ?? {}) as Record<string, unknown>}
+    />
+  );
 }

apps/web/app/[locale]/home/[account]/site-builder/new/page.tsx

@@ -1,7 +1,8 @@
-import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { CreatePageForm } from '@kit/site-builder/components';
-import { CmsPageShell } from '~/components/cms-page-shell';
+import { getSupabaseServerClient } from '@kit/supabase/server-client';
+
 import { AccountNotFound } from '~/components/account-not-found';
+import { CmsPageShell } from '~/components/cms-page-shell';
 
 interface Props {
   params: Promise<{ account: string }>;
@@ -10,11 +11,19 @@ interface Props {
 export default async function NewSitePage({ params }: Props) {
   const { account } = await params;
   const client = getSupabaseServerClient();
-  const { data: acct } = await client.from('accounts').select('id').eq('slug', account).single();
+  const { data: acct } = await client
+    .from('accounts')
+    .select('id')
+    .eq('slug', account)
+    .single();
   if (!acct) return <AccountNotFound />;
 
   return (
-    <CmsPageShell account={account} title="Neue Seite" description="Seite für Ihre Vereinswebsite erstellen">
+    <CmsPageShell
+      account={account}
+      title="Neue Seite"
+      description="Seite für Ihre Vereinswebsite erstellen"
+    >
       <CreatePageForm accountId={acct.id} account={account} />
     </CmsPageShell>
   );

apps/web/app/[locale]/home/[account]/site-builder/page.tsx

@@ -1,21 +1,31 @@
-import { getSupabaseServerClient } from '@kit/supabase/server-client';
+import Link from 'next/link';
+
+import { Plus, Globe, FileText, Settings, ExternalLink } from 'lucide-react';
+
+import { formatDate } from '@kit/shared/dates';
 import { createSiteBuilderApi } from '@kit/site-builder/api';
-import { Card, CardContent, CardHeader, CardTitle } from '@kit/ui/card';
+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 { cn } from '@kit/ui/utils';
-import { Plus, Globe, FileText, Settings, ExternalLink } from 'lucide-react';
-import Link from 'next/link';
+
+import { AccountNotFound } from '~/components/account-not-found';
 import { CmsPageShell } from '~/components/cms-page-shell';
 import { EmptyState } from '~/components/empty-state';
-import { AccountNotFound } from '~/components/account-not-found';
 
-interface Props { params: Promise<{ account: string }> }
+interface Props {
+  params: Promise<{ account: string }>;
+}
 
 export default async function SiteBuilderDashboard({ params }: Props) {
   const { account } = await params;
   const client = getSupabaseServerClient();
-  const { data: acct } = await client.from('accounts').select('id').eq('slug', account).single();
+  const { data: acct } = await client
+    .from('accounts')
+    .select('id')
+    .eq('slug', account)
+    .single();
   if (!acct) return <AccountNotFound />;
 
   const api = createSiteBuilderApi(client);
@@ -24,39 +34,72 @@ export default async function SiteBuilderDashboard({ params }: Props) {
   const posts = await api.listPosts(acct.id);
 
   const isOnline = Boolean(settings?.is_public);
-  const publishedCount = pages.filter((p: Record<string, unknown>) => p.is_published).length;
+  const publishedCount = pages.filter(
+    (p: Record<string, unknown>) => p.is_published,
+  ).length;
 
   return (
-    <CmsPageShell account={account} title="Website-Baukasten" description="Ihre Vereinswebseite verwalten">
+    <CmsPageShell
+      account={account}
+      title="Website-Baukasten"
+      description="Ihre Vereinswebseite verwalten"
+    >
       <div className="space-y-6">
         <div className="flex items-center justify-between">
           <div className="flex gap-2">
             <Link href={`/home/${account}/site-builder/settings`}>
-              <Button variant="outline" size="sm"><Settings className="mr-2 h-4 w-4" />Einstellungen</Button>
+              <Button variant="outline" size="sm">
+                <Settings className="mr-2 h-4 w-4" />
+                Einstellungen
+              </Button>
             </Link>
             <Link href={`/home/${account}/site-builder/posts`}>
-              <Button variant="outline" size="sm"><FileText className="mr-2 h-4 w-4" />Beiträge ({posts.length})</Button>
+              <Button variant="outline" size="sm">
+                <FileText className="mr-2 h-4 w-4" />
+                Beiträge ({posts.length})
+              </Button>
             </Link>
             {isOnline && (
               <a href={`/club/${account}`} target="_blank" rel="noopener">
-                <Button variant="outline" size="sm"><ExternalLink className="mr-2 h-4 w-4" />Website ansehen</Button>
+                <Button variant="outline" size="sm">
+                  <ExternalLink className="mr-2 h-4 w-4" />
+                  Website ansehen
+                </Button>
               </a>
             )}
           </div>
           <Link href={`/home/${account}/site-builder/new`}>
-            <Button><Plus className="mr-2 h-4 w-4" />Neue Seite</Button>
+            <Button data-test="site-new-page-btn">
+              <Plus className="mr-2 h-4 w-4" />
+              Neue Seite
+            </Button>
           </Link>
         </div>
 
         <div className="grid grid-cols-1 gap-4 sm:grid-cols-3">
-          <Card><CardContent className="p-6"><p className="text-sm text-muted-foreground">Seiten</p><p className="text-2xl font-bold">{pages.length}</p></CardContent></Card>
-          <Card><CardContent className="p-6"><p className="text-sm text-muted-foreground">Veröffentlicht</p><p className="text-2xl font-bold">{publishedCount}</p></CardContent></Card>
           <Card>
             <CardContent className="p-6">
-              <p className="text-sm text-muted-foreground">Status</p>
+              <p className="text-muted-foreground text-sm">Seiten</p>
+              <p className="text-2xl font-bold">{pages.length}</p>
+            </CardContent>
+          </Card>
+          <Card>
+            <CardContent className="p-6">
+              <p className="text-muted-foreground text-sm">Veröffentlicht</p>
+              <p className="text-2xl font-bold">{publishedCount}</p>
+            </CardContent>
+          </Card>
+          <Card>
+            <CardContent className="p-6">
+              <p className="text-muted-foreground text-sm">Status</p>
               <p className="text-2xl font-bold">
                 <span className="flex items-center gap-1.5">
-                  <span className={cn('inline-block h-2 w-2 rounded-full', isOnline ? 'bg-green-500' : 'bg-red-500')} />
+                  <span
+                    className={cn(
+                      'inline-block h-2 w-2 rounded-full',
+                      isOnline ? 'bg-green-500' : 'bg-red-500',
+                    )}
+                  />
                   <span>{isOnline ? 'Online' : 'Offline'}</span>
                 </span>
               </p>
@@ -75,25 +118,44 @@ export default async function SiteBuilderDashboard({ params }: Props) {
         ) : (
           <div className="rounded-md border">
             <table className="w-full text-sm">
-              <thead><tr className="border-b bg-muted/50">
+              <thead>
+                <tr className="bg-muted/50 border-b">
                   <th className="p-3 text-left font-medium">Titel</th>
                   <th className="p-3 text-left font-medium">URL</th>
                   <th className="p-3 text-left font-medium">Status</th>
                   <th className="p-3 text-left font-medium">Startseite</th>
                   <th className="p-3 text-left font-medium">Aktualisiert</th>
                   <th className="p-3 text-left font-medium">Aktionen</th>
-              </tr></thead>
+                </tr>
+              </thead>
               <tbody>
                 {pages.map((page: Record<string, unknown>) => (
-                  <tr key={String(page.id)} className="border-b hover:bg-muted/30">
+                  <tr
+                    key={String(page.id)}
+                    className="hover:bg-muted/30 border-b"
+                  >
                     <td className="p-3 font-medium">{String(page.title)}</td>
-                    <td className="p-3 text-muted-foreground font-mono text-xs">/{String(page.slug)}</td>
-                    <td className="p-3"><Badge variant={page.is_published ? 'default' : 'secondary'}>{page.is_published ? 'Veröffentlicht' : 'Entwurf'}</Badge></td>
-                    <td className="p-3">{page.is_homepage ? '⭐' : '—'}</td>
-                    <td className="p-3 text-xs text-muted-foreground">{page.updated_at ? new Date(String(page.updated_at)).toLocaleDateString('de-DE') : '—'}</td>
+                    <td className="text-muted-foreground p-3 font-mono text-xs">
+                      /{String(page.slug)}
+                    </td>
                     <td className="p-3">
-                      <Link href={`/home/${account}/site-builder/${String(page.id)}/edit`}>
-                        <Button size="sm" variant="outline">Bearbeiten</Button>
+                      <Badge
+                        variant={page.is_published ? 'default' : 'secondary'}
+                      >
+                        {page.is_published ? 'Veröffentlicht' : 'Entwurf'}
+                      </Badge>
+                    </td>
+                    <td className="p-3">{page.is_homepage ? '⭐' : '—'}</td>
+                    <td className="text-muted-foreground p-3 text-xs">
+                      {formatDate(page.updated_at)}
+                    </td>
+                    <td className="p-3">
+                      <Link
+                        href={`/home/${account}/site-builder/${String(page.id)}/edit`}
+                      >
+                        <Button size="sm" variant="outline">
+                          Bearbeiten
+                        </Button>
                       </Link>
                     </td>
                   </tr>