diff --git a/apps/web/.bg-shell/manifest.json b/apps/web/.bg-shell/manifest.json
index 0637a088a..fe51488c7 100644
--- a/apps/web/.bg-shell/manifest.json
+++ b/apps/web/.bg-shell/manifest.json
@@ -1 +1 @@
-[]
\ No newline at end of file
+[]
diff --git a/apps/web/app/[locale]/admin/audit/page.tsx b/apps/web/app/[locale]/admin/audit/page.tsx
index b619f166b..a09968f26 100644
--- a/apps/web/app/[locale]/admin/audit/page.tsx
+++ b/apps/web/app/[locale]/admin/audit/page.tsx
@@ -54,10 +54,7 @@ async function AuditPage(props: AdminAuditPageProps) {
 
   return (
     <PageBody>
-      <PageHeader
-        title={t('title')}
-        description={t('description')}
-      />
+      <PageHeader title={t('title')} description={t('description')} />
 
       <div className="space-y-4">
         {/* Filters */}
diff --git a/apps/web/app/[locale]/club/[slug]/portal/invite/page.tsx b/apps/web/app/[locale]/club/[slug]/portal/invite/page.tsx
index e07488dbb..fafecbad6 100644
--- a/apps/web/app/[locale]/club/[slug]/portal/invite/page.tsx
+++ b/apps/web/app/[locale]/club/[slug]/portal/invite/page.tsx
@@ -75,7 +75,9 @@ export default async function PortalInvitePage({
             <Shield className="mx-auto mb-4 h-10 w-10 text-amber-500" />
             <h2 className="text-lg font-bold">{t('invite.expiredTitle')}</h2>
             <p className="text-muted-foreground mt-2 text-sm">
-              {t('invite.expiredDesc', { date: formatDate(invitation.expires_at) })}
+              {t('invite.expiredDesc', {
+                date: formatDate(invitation.expires_at),
+              })}
             </p>
           </CardContent>
         </Card>
diff --git a/apps/web/app/[locale]/club/[slug]/portal/profile/_components/portal-linked-accounts.tsx b/apps/web/app/[locale]/club/[slug]/portal/profile/_components/portal-linked-accounts.tsx
index af847c91b..6210d65d5 100644
--- a/apps/web/app/[locale]/club/[slug]/portal/profile/_components/portal-linked-accounts.tsx
+++ b/apps/web/app/[locale]/club/[slug]/portal/profile/_components/portal-linked-accounts.tsx
@@ -179,13 +179,17 @@ export function PortalLinkedAccounts({ slug }: { slug: string }) {
 
                     <AlertDialogContent>
                       <AlertDialogHeader>
-                        <AlertDialogTitle>{t('linkedAccounts.title')}</AlertDialogTitle>
+                        <AlertDialogTitle>
+                          {t('linkedAccounts.title')}
+                        </AlertDialogTitle>
                         <AlertDialogDescription>
                           {t('linkedAccounts.disconnectDesc')}
                         </AlertDialogDescription>
                       </AlertDialogHeader>
                       <AlertDialogFooter>
-                        <AlertDialogCancel>{t('linkedAccounts.cancel')}</AlertDialogCancel>
+                        <AlertDialogCancel>
+                          {t('linkedAccounts.cancel')}
+                        </AlertDialogCancel>
                         <AlertDialogAction
                           onClick={() => handleUnlink(identity)}
                           className="bg-destructive text-destructive-foreground hover:bg-destructive/90"
diff --git a/apps/web/app/[locale]/club/[slug]/portal/profile/page.tsx b/apps/web/app/[locale]/club/[slug]/portal/profile/page.tsx
index 7cf495b14..b044c78c9 100644
--- a/apps/web/app/[locale]/club/[slug]/portal/profile/page.tsx
+++ b/apps/web/app/[locale]/club/[slug]/portal/profile/page.tsx
@@ -3,13 +3,7 @@ import { redirect } from 'next/navigation';
 
 import { createClient } from '@supabase/supabase-js';
 
-import {
-  UserCircle,
-  Mail,
-  MapPin,
-  Shield,
-  Link2,
-} from 'lucide-react';
+import { UserCircle, Mail, MapPin, Shield, Link2 } from 'lucide-react';
 import { getTranslations } from 'next-intl/server';
 
 import { formatDate } from '@kit/shared/dates';
diff --git a/apps/web/app/[locale]/home/[account]/bookings/[bookingId]/page.tsx b/apps/web/app/[locale]/home/[account]/bookings/[bookingId]/page.tsx
index 14c4bf3b7..37b7750c3 100644
--- a/apps/web/app/[locale]/home/[account]/bookings/[bookingId]/page.tsx
+++ b/apps/web/app/[locale]/home/[account]/bookings/[bookingId]/page.tsx
@@ -99,7 +99,12 @@ export default async function BookingDetailPage({ params }: PageProps) {
         {/* Header */}
         <div className="flex items-center justify-between">
           <div className="flex items-center gap-4">
-            <Button variant="ghost" size="icon" asChild aria-label={t('detail.backToBookings')}>
+            <Button
+              variant="ghost"
+              size="icon"
+              asChild
+              aria-label={t('detail.backToBookings')}
+            >
               <Link href={`/home/${account}/bookings`}>
                 <ArrowLeft className="h-4 w-4" aria-hidden="true" />
               </Link>
diff --git a/apps/web/app/[locale]/home/[account]/bookings/calendar/page.tsx b/apps/web/app/[locale]/home/[account]/bookings/calendar/page.tsx
index d0d81464f..80a79be04 100644
--- a/apps/web/app/[locale]/home/[account]/bookings/calendar/page.tsx
+++ b/apps/web/app/[locale]/home/[account]/bookings/calendar/page.tsx
@@ -1,13 +1,13 @@
 import Link from 'next/link';
 
 import { ArrowLeft, ChevronLeft, ChevronRight } from 'lucide-react';
+import { getTranslations } from 'next-intl/server';
 
 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 { getTranslations } from 'next-intl/server';
 
 import { AccountNotFound } from '~/components/account-not-found';
 import { CmsPageShell } from '~/components/cms-page-shell';
@@ -139,14 +139,17 @@ export default async function BookingCalendarPage({ params }: PageProps) {
         {/* Header */}
         <div className="flex items-center justify-between">
           <div className="flex items-center gap-4">
-            <Button variant="ghost" size="icon" asChild aria-label={t('calendar.backToBookings')}>
+            <Button
+              variant="ghost"
+              size="icon"
+              asChild
+              aria-label={t('calendar.backToBookings')}
+            >
               <Link href={`/home/${account}/bookings`}>
                 <ArrowLeft className="h-4 w-4" aria-hidden="true" />
               </Link>
             </Button>
-            <p className="text-muted-foreground">
-              {t('calendar.subtitle')}
-            </p>
+            <p className="text-muted-foreground">{t('calendar.subtitle')}</p>
           </div>
         </div>
 
@@ -154,13 +157,23 @@ export default async function BookingCalendarPage({ params }: PageProps) {
         <Card>
           <CardHeader>
             <div className="flex items-center justify-between">
-              <Button variant="ghost" size="icon" disabled aria-label={t('calendar.previousMonth')}>
+              <Button
+                variant="ghost"
+                size="icon"
+                disabled
+                aria-label={t('calendar.previousMonth')}
+              >
                 <ChevronLeft className="h-4 w-4" aria-hidden="true" />
               </Button>
               <CardTitle>
                 {MONTH_NAMES[month]} {year}
               </CardTitle>
-              <Button variant="ghost" size="icon" disabled aria-label={t('calendar.nextMonth')}>
+              <Button
+                variant="ghost"
+                size="icon"
+                disabled
+                aria-label={t('calendar.nextMonth')}
+              >
                 <ChevronRight className="h-4 w-4" aria-hidden="true" />
               </Button>
             </div>
@@ -232,7 +245,10 @@ export default async function BookingCalendarPage({ params }: PageProps) {
                 <p className="text-2xl font-bold">{bookings.data.length}</p>
               </div>
               <Badge variant="outline">
-                {t('calendar.daysOccupied', { occupied: occupiedDates.size, total: daysInMonth })}
+                {t('calendar.daysOccupied', {
+                  occupied: occupiedDates.size,
+                  total: daysInMonth,
+                })}
               </Badge>
             </div>
           </CardContent>
diff --git a/apps/web/app/[locale]/home/[account]/bookings/page.tsx b/apps/web/app/[locale]/home/[account]/bookings/page.tsx
index d77333e65..5acea6ee0 100644
--- a/apps/web/app/[locale]/home/[account]/bookings/page.tsx
+++ b/apps/web/app/[locale]/home/[account]/bookings/page.tsx
@@ -250,7 +250,10 @@ export default async function BookingsPage({
                                 'secondary'
                               }
                             >
-                              {t(STATUS_LABEL_KEYS[String(booking.status)] ?? String(booking.status))}
+                              {t(
+                                STATUS_LABEL_KEYS[String(booking.status)] ??
+                                  String(booking.status),
+                              )}
                             </Badge>
                           </td>
                           <td className="p-3 text-right">
diff --git a/apps/web/app/[locale]/home/[account]/courses/[courseId]/edit/page.tsx b/apps/web/app/[locale]/home/[account]/courses/[courseId]/edit/page.tsx
index 77dcf0cd7..63e0d0dd4 100644
--- a/apps/web/app/[locale]/home/[account]/courses/[courseId]/edit/page.tsx
+++ b/apps/web/app/[locale]/home/[account]/courses/[courseId]/edit/page.tsx
@@ -1,7 +1,8 @@
+import { getTranslations } from 'next-intl/server';
+
 import { createCourseManagementApi } from '@kit/course-management/api';
 import { CreateCourseForm } from '@kit/course-management/components';
 import { getSupabaseServerClient } from '@kit/supabase/server-client';
-import { getTranslations } from 'next-intl/server';
 
 import { AccountNotFound } from '~/components/account-not-found';
 import { CmsPageShell } from '~/components/cms-page-shell';
diff --git a/apps/web/app/[locale]/home/[account]/courses/[courseId]/page.tsx b/apps/web/app/[locale]/home/[account]/courses/[courseId]/page.tsx
index ee776fc6f..83dd2ac8a 100644
--- a/apps/web/app/[locale]/home/[account]/courses/[courseId]/page.tsx
+++ b/apps/web/app/[locale]/home/[account]/courses/[courseId]/page.tsx
@@ -88,8 +88,10 @@ export default async function CourseDetailPage({ params }: PageProps) {
                     'secondary'
                   }
                 >
-                  {t(COURSE_STATUS_LABEL_KEYS[String(courseData.status)] ??
-                    String(courseData.status))}
+                  {t(
+                    COURSE_STATUS_LABEL_KEYS[String(courseData.status)] ??
+                      String(courseData.status),
+                  )}
                 </Badge>
               </div>
             </CardContent>
diff --git a/apps/web/app/[locale]/home/[account]/courses/calendar/page.tsx b/apps/web/app/[locale]/home/[account]/courses/calendar/page.tsx
index b036fc6d1..06e51fc5c 100644
--- a/apps/web/app/[locale]/home/[account]/courses/calendar/page.tsx
+++ b/apps/web/app/[locale]/home/[account]/courses/calendar/page.tsx
@@ -129,7 +129,12 @@ export default async function CourseCalendarPage({
         {/* Header */}
         <div className="flex items-center justify-between">
           <div className="flex items-center gap-4">
-            <Button variant="ghost" size="icon" asChild aria-label={t('calendar.backToCourses')}>
+            <Button
+              variant="ghost"
+              size="icon"
+              asChild
+              aria-label={t('calendar.backToCourses')}
+            >
               <Link href={`/home/${account}/courses`}>
                 <ArrowLeft className="h-4 w-4" aria-hidden="true" />
               </Link>
@@ -142,7 +147,12 @@ export default async function CourseCalendarPage({
         <Card>
           <CardHeader>
             <div className="flex items-center justify-between">
-              <Button variant="ghost" size="icon" asChild aria-label={t('calendar.previousMonth')}>
+              <Button
+                variant="ghost"
+                size="icon"
+                asChild
+                aria-label={t('calendar.previousMonth')}
+              >
                 <Link
                   href={`/home/${account}/courses/calendar?month=${
                     month === 0
@@ -156,7 +166,12 @@ export default async function CourseCalendarPage({
               <CardTitle>
                 {MONTH_NAMES[month]} {year}
               </CardTitle>
-              <Button variant="ghost" size="icon" asChild aria-label={t('calendar.nextMonth')}>
+              <Button
+                variant="ghost"
+                size="icon"
+                asChild
+                aria-label={t('calendar.nextMonth')}
+              >
                 <Link
                   href={`/home/${account}/courses/calendar?month=${
                     month === 11
diff --git a/apps/web/app/[locale]/home/[account]/courses/page.tsx b/apps/web/app/[locale]/home/[account]/courses/page.tsx
index 3f600eaaf..75ccbaa4b 100644
--- a/apps/web/app/[locale]/home/[account]/courses/page.tsx
+++ b/apps/web/app/[locale]/home/[account]/courses/page.tsx
@@ -196,7 +196,10 @@ export default async function CoursesPage({ params, searchParams }: PageProps) {
                               'secondary'
                             }
                           >
-                            {t(COURSE_STATUS_LABEL_KEYS[String(course.status)] ?? String(course.status))}
+                            {t(
+                              COURSE_STATUS_LABEL_KEYS[String(course.status)] ??
+                                String(course.status),
+                            )}
                           </Badge>
                         </td>
                         <td className="p-3 text-right">
diff --git a/apps/web/app/[locale]/home/[account]/events/[eventId]/page.tsx b/apps/web/app/[locale]/home/[account]/events/[eventId]/page.tsx
index 610ad7b99..a2f0ce447 100644
--- a/apps/web/app/[locale]/home/[account]/events/[eventId]/page.tsx
+++ b/apps/web/app/[locale]/home/[account]/events/[eventId]/page.tsx
@@ -18,7 +18,10 @@ import { Button } from '@kit/ui/button';
 import { Card, CardContent, CardHeader, CardTitle } from '@kit/ui/card';
 
 import { CmsPageShell } from '~/components/cms-page-shell';
-import { EVENT_STATUS_LABEL_KEYS, EVENT_STATUS_VARIANT } from '~/lib/status-badges';
+import {
+  EVENT_STATUS_LABEL_KEYS,
+  EVENT_STATUS_VARIANT,
+} from '~/lib/status-badges';
 
 import { DeleteEventButton } from './delete-event-button';
 
@@ -64,8 +67,10 @@ export default async function EventDetailPage({ params }: PageProps) {
               }
               className="mt-1"
             >
-              {t(EVENT_STATUS_LABEL_KEYS[String(eventData.status)] ??
-                String(eventData.status))}
+              {t(
+                EVENT_STATUS_LABEL_KEYS[String(eventData.status)] ??
+                  String(eventData.status),
+              )}
             </Badge>
           </div>
           <Button>
diff --git a/apps/web/app/[locale]/home/[account]/events/page.tsx b/apps/web/app/[locale]/home/[account]/events/page.tsx
index beba16cbd..d9b22abe2 100644
--- a/apps/web/app/[locale]/home/[account]/events/page.tsx
+++ b/apps/web/app/[locale]/home/[account]/events/page.tsx
@@ -21,7 +21,10 @@ 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 { EVENT_STATUS_VARIANT, EVENT_STATUS_LABEL_KEYS } from '~/lib/status-badges';
+import {
+  EVENT_STATUS_VARIANT,
+  EVENT_STATUS_LABEL_KEYS,
+} from '~/lib/status-badges';
 
 interface PageProps {
   params: Promise<{ account: string }>;
@@ -178,7 +181,10 @@ export default async function EventsPage({ params, searchParams }: PageProps) {
                                 'secondary'
                               }
                             >
-                              {t(EVENT_STATUS_LABEL_KEYS[String(event.status)] ?? String(event.status))}
+                              {t(
+                                EVENT_STATUS_LABEL_KEYS[String(event.status)] ??
+                                  String(event.status),
+                              )}
                             </Badge>
                           </td>
                           <td className="p-3 text-right font-medium">
diff --git a/apps/web/app/[locale]/home/[account]/events/registrations/page.tsx b/apps/web/app/[locale]/home/[account]/events/registrations/page.tsx
index 7df203773..e9c7d3968 100644
--- a/apps/web/app/[locale]/home/[account]/events/registrations/page.tsx
+++ b/apps/web/app/[locale]/home/[account]/events/registrations/page.tsx
@@ -13,7 +13,10 @@ 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 { EVENT_STATUS_VARIANT, EVENT_STATUS_LABEL_KEYS } from '~/lib/status-badges';
+import {
+  EVENT_STATUS_VARIANT,
+  EVENT_STATUS_LABEL_KEYS,
+} from '~/lib/status-badges';
 
 interface PageProps {
   params: Promise<{ account: string }>;
@@ -156,7 +159,10 @@ export default async function EventRegistrationsPage({ params }: PageProps) {
                                 'secondary'
                               }
                             >
-                              {t(EVENT_STATUS_LABEL_KEYS[event.status] ?? event.status)}
+                              {t(
+                                EVENT_STATUS_LABEL_KEYS[event.status] ??
+                                  event.status,
+                              )}
                             </Badge>
                           </td>
                           <td className="p-3 text-right">
diff --git a/apps/web/app/[locale]/home/[account]/finance/invoices/[id]/page.tsx b/apps/web/app/[locale]/home/[account]/finance/invoices/[id]/page.tsx
index f22e3bdf0..5892e7675 100644
--- a/apps/web/app/[locale]/home/[account]/finance/invoices/[id]/page.tsx
+++ b/apps/web/app/[locale]/home/[account]/finance/invoices/[id]/page.tsx
@@ -1,13 +1,13 @@
 import Link from 'next/link';
 
 import { ArrowLeft } from 'lucide-react';
+import { getTranslations } from 'next-intl/server';
 
 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 { Card, CardContent, CardHeader, CardTitle } from '@kit/ui/card';
-import { getTranslations } from 'next-intl/server';
 
 import { AccountNotFound } from '~/components/account-not-found';
 import { CmsPageShell } from '~/components/cms-page-shell';
@@ -66,7 +66,9 @@ export default async function InvoiceDetailPage({ params }: PageProps) {
         <Card>
           <CardHeader className="flex flex-row items-center justify-between">
             <CardTitle>
-              {t('invoices.invoiceLabel', { number: String(invoice.invoice_number ?? '') })}
+              {t('invoices.invoiceLabel', {
+                number: String(invoice.invoice_number ?? ''),
+              })}
             </CardTitle>
             <Badge variant={INVOICE_STATUS_VARIANT[status] ?? 'secondary'}>
               {t(INVOICE_STATUS_LABEL_KEYS[status] ?? status)}
@@ -125,7 +127,9 @@ export default async function InvoiceDetailPage({ params }: PageProps) {
         {/* Line Items */}
         <Card>
           <CardHeader>
-            <CardTitle>{t('invoiceForm.lineItems')} ({items.length})</CardTitle>
+            <CardTitle>
+              {t('invoiceForm.lineItems')} ({items.length})
+            </CardTitle>
           </CardHeader>
           <CardContent>
             {items.length === 0 ? (
@@ -140,11 +144,15 @@ export default async function InvoiceDetailPage({ params }: PageProps) {
                       <th scope="col" className="p-3 text-left font-medium">
                         {t('invoiceForm.itemDescription')}
                       </th>
-                      <th scope="col" className="p-3 text-right font-medium">{t('invoiceForm.quantity')}</th>
+                      <th scope="col" className="p-3 text-right font-medium">
+                        {t('invoiceForm.quantity')}
+                      </th>
                       <th scope="col" className="p-3 text-right font-medium">
                         {t('invoices.unitPriceCol')}
                       </th>
-                      <th scope="col" className="p-3 text-right font-medium">{t('invoices.totalCol')}</th>
+                      <th scope="col" className="p-3 text-right font-medium">
+                        {t('invoices.totalCol')}
+                      </th>
                     </tr>
                   </thead>
                   <tbody>
@@ -183,7 +191,9 @@ export default async function InvoiceDetailPage({ params }: PageProps) {
                     </tr>
                     <tr>
                       <td colSpan={3} className="p-3 text-right font-medium">
-                        {t('invoiceForm.tax', { rate: Number(invoice.tax_rate ?? 19) })}
+                        {t('invoiceForm.tax', {
+                          rate: Number(invoice.tax_rate ?? 19),
+                        })}
                       </td>
                       <td className="p-3 text-right">
                         {formatCurrency(invoice.tax_amount ?? 0)}
diff --git a/apps/web/app/[locale]/home/[account]/finance/page.tsx b/apps/web/app/[locale]/home/[account]/finance/page.tsx
index df8b50c35..3f2a186e8 100644
--- a/apps/web/app/[locale]/home/[account]/finance/page.tsx
+++ b/apps/web/app/[locale]/home/[account]/finance/page.tsx
@@ -216,8 +216,10 @@ export default async function FinancePage({ params, searchParams }: PageProps) {
                               'secondary'
                             }
                           >
-                            {t(BATCH_STATUS_LABEL_KEYS[String(batch.status)] ??
-                              String(batch.status))}
+                            {t(
+                              BATCH_STATUS_LABEL_KEYS[String(batch.status)] ??
+                                String(batch.status),
+                            )}
                           </Badge>
                         </td>
                         <td className="p-3">
@@ -318,7 +320,11 @@ export default async function FinancePage({ params, searchParams }: PageProps) {
                               'secondary'
                             }
                           >
-                            {t(INVOICE_STATUS_LABEL_KEYS[String(invoice.status)] ?? String(invoice.status))}
+                            {t(
+                              INVOICE_STATUS_LABEL_KEYS[
+                                String(invoice.status)
+                              ] ?? String(invoice.status),
+                            )}
                           </Badge>
                         </td>
                       </tr>
@@ -347,7 +353,12 @@ export default async function FinancePage({ params, searchParams }: PageProps) {
                   </Link>
                 </Button>
               ) : (
-                <Button variant="outline" size="sm" disabled aria-label={t('common.previous')}>
+                <Button
+                  variant="outline"
+                  size="sm"
+                  disabled
+                  aria-label={t('common.previous')}
+                >
                   <ChevronLeft className="h-4 w-4" aria-hidden="true" />
                 </Button>
               )}
@@ -366,7 +377,12 @@ export default async function FinancePage({ params, searchParams }: PageProps) {
                   </Link>
                 </Button>
               ) : (
-                <Button variant="outline" size="sm" disabled aria-label={t('common.next')}>
+                <Button
+                  variant="outline"
+                  size="sm"
+                  disabled
+                  aria-label={t('common.next')}
+                >
                   <ChevronRight className="h-4 w-4" aria-hidden="true" />
                 </Button>
               )}
diff --git a/apps/web/app/[locale]/home/[account]/finance/payments/page.tsx b/apps/web/app/[locale]/home/[account]/finance/payments/page.tsx
index 5ebe762e6..c688e5893 100644
--- a/apps/web/app/[locale]/home/[account]/finance/payments/page.tsx
+++ b/apps/web/app/[locale]/home/[account]/finance/payments/page.tsx
@@ -1,13 +1,13 @@
 import Link from 'next/link';
 
 import { Euro, CreditCard, TrendingUp, ArrowRight } from 'lucide-react';
+import { getTranslations } from 'next-intl/server';
 
 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 { getTranslations } from 'next-intl/server';
 
 import { AccountNotFound } from '~/components/account-not-found';
 import { CmsPageShell } from '~/components/cms-page-shell';
@@ -84,9 +84,7 @@ export default async function PaymentsPage({ params }: PageProps) {
       <div className="flex w-full flex-col gap-6">
         {/* Header */}
         <div>
-          <p className="text-muted-foreground">
-            {t('payments.subtitle')}
-          </p>
+          <p className="text-muted-foreground">{t('payments.subtitle')}</p>
         </div>
 
         {/* Stats */}
@@ -121,7 +119,9 @@ export default async function PaymentsPage({ params }: PageProps) {
         <div className="grid grid-cols-1 gap-4 sm:grid-cols-2">
           <Card>
             <CardHeader className="flex flex-row items-center justify-between">
-              <CardTitle className="text-base">{t('payments.openInvoices')}</CardTitle>
+              <CardTitle className="text-base">
+                {t('payments.openInvoices')}
+              </CardTitle>
               <Badge
                 variant={openInvoices.length > 0 ? 'default' : 'secondary'}
               >
@@ -131,7 +131,10 @@ export default async function PaymentsPage({ params }: PageProps) {
             <CardContent>
               <p className="text-muted-foreground mb-4 text-sm">
                 {openInvoices.length > 0
-                  ? t('payments.invoicesOpenSummary', { count: openInvoices.length, total: formatCurrency(openTotal) })
+                  ? t('payments.invoicesOpenSummary', {
+                      count: openInvoices.length,
+                      total: formatCurrency(openTotal),
+                    })
                   : t('payments.noOpenInvoices')}
               </p>
               <Button variant="outline" size="sm" asChild>
@@ -145,7 +148,9 @@ export default async function PaymentsPage({ params }: PageProps) {
 
           <Card>
             <CardHeader className="flex flex-row items-center justify-between">
-              <CardTitle className="text-base">{t('payments.sepaBatches')}</CardTitle>
+              <CardTitle className="text-base">
+                {t('payments.sepaBatches')}
+              </CardTitle>
               <Badge variant={batches.length > 0 ? 'default' : 'secondary'}>
                 {batches.length}
               </Badge>
@@ -153,7 +158,10 @@ export default async function PaymentsPage({ params }: PageProps) {
             <CardContent>
               <p className="text-muted-foreground mb-4 text-sm">
                 {batches.length > 0
-                  ? t('payments.batchSummary', { count: batches.length, total: formatCurrency(sepaTotal) })
+                  ? t('payments.batchSummary', {
+                      count: batches.length,
+                      total: formatCurrency(sepaTotal),
+                    })
                   : t('payments.noBatchesFound')}
               </p>
               <Button variant="outline" size="sm" asChild>
diff --git a/apps/web/app/[locale]/home/[account]/finance/sepa/[batchId]/page.tsx b/apps/web/app/[locale]/home/[account]/finance/sepa/[batchId]/page.tsx
index 4628ef032..fccf4cc51 100644
--- a/apps/web/app/[locale]/home/[account]/finance/sepa/[batchId]/page.tsx
+++ b/apps/web/app/[locale]/home/[account]/finance/sepa/[batchId]/page.tsx
@@ -1,6 +1,7 @@
 import Link from 'next/link';
 
 import { ArrowLeft, Download } from 'lucide-react';
+import { getTranslations } from 'next-intl/server';
 
 import { createFinanceApi } from '@kit/finance/api';
 import { formatDate } from '@kit/shared/dates';
@@ -8,7 +9,6 @@ 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 { getTranslations } from 'next-intl/server';
 
 import { AccountNotFound } from '~/components/account-not-found';
 import { CmsPageShell } from '~/components/cms-page-shell';
@@ -76,7 +76,9 @@ export default async function SepaBatchDetailPage({ params }: PageProps) {
         {/* Summary Card */}
         <Card>
           <CardHeader className="flex flex-row items-center justify-between">
-            <CardTitle>{String(batch.description ?? t('sepa.batchFallbackName'))}</CardTitle>
+            <CardTitle>
+              {String(batch.description ?? t('sepa.batchFallbackName'))}
+            </CardTitle>
             <Badge variant={BATCH_STATUS_VARIANT[status] ?? 'secondary'}>
               {t(BATCH_STATUS_LABEL_KEYS[status] ?? status)}
             </Badge>
@@ -133,7 +135,9 @@ export default async function SepaBatchDetailPage({ params }: PageProps) {
         {/* Items Table */}
         <Card>
           <CardHeader>
-            <CardTitle>{t('sepa.itemCount')} ({items.length})</CardTitle>
+            <CardTitle>
+              {t('sepa.itemCount')} ({items.length})
+            </CardTitle>
           </CardHeader>
           <CardContent>
             {items.length === 0 ? (
@@ -145,10 +149,18 @@ export default async function SepaBatchDetailPage({ params }: PageProps) {
                 <table className="w-full min-w-[640px] text-sm">
                   <thead>
                     <tr className="bg-muted/50 border-b">
-                      <th scope="col" className="p-3 text-left font-medium">Name</th>
-                      <th scope="col" className="p-3 text-left font-medium">IBAN</th>
-                      <th scope="col" className="p-3 text-right font-medium">{t('common.amount')}</th>
-                      <th scope="col" className="p-3 text-left font-medium">{t('common.status')}</th>
+                      <th scope="col" className="p-3 text-left font-medium">
+                        Name
+                      </th>
+                      <th scope="col" className="p-3 text-left font-medium">
+                        IBAN
+                      </th>
+                      <th scope="col" className="p-3 text-right font-medium">
+                        {t('common.amount')}
+                      </th>
+                      <th scope="col" className="p-3 text-left font-medium">
+                        {t('common.status')}
+                      </th>
                     </tr>
                   </thead>
                   <tbody>
@@ -176,7 +188,11 @@ export default async function SepaBatchDetailPage({ params }: PageProps) {
                                 ITEM_STATUS_VARIANT[itemStatus] ?? 'secondary'
                               }
                             >
-                              {t(`sepaItemStatus.${itemStatus}` as Parameters<typeof t>[0]) ?? itemStatus}
+                              {t(
+                                `sepaItemStatus.${itemStatus}` as Parameters<
+                                  typeof t
+                                >[0],
+                              ) ?? itemStatus}
                             </Badge>
                           </td>
                         </tr>
diff --git a/apps/web/app/[locale]/home/[account]/finance/sepa/page.tsx b/apps/web/app/[locale]/home/[account]/finance/sepa/page.tsx
index 760361965..49cc32162 100644
--- a/apps/web/app/[locale]/home/[account]/finance/sepa/page.tsx
+++ b/apps/web/app/[locale]/home/[account]/finance/sepa/page.tsx
@@ -13,7 +13,10 @@ 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 { BATCH_STATUS_VARIANT, BATCH_STATUS_LABEL_KEYS } from '~/lib/status-badges';
+import {
+  BATCH_STATUS_VARIANT,
+  BATCH_STATUS_LABEL_KEYS,
+} from '~/lib/status-badges';
 
 interface PageProps {
   params: Promise<{ account: string }>;
@@ -114,7 +117,10 @@ export default async function SepaPage({ params }: PageProps) {
                               'secondary'
                             }
                           >
-                            {t(BATCH_STATUS_LABEL_KEYS[String(batch.status)] ?? String(batch.status))}
+                            {t(
+                              BATCH_STATUS_LABEL_KEYS[String(batch.status)] ??
+                                String(batch.status),
+                            )}
                           </Badge>
                         </td>
                         <td className="p-3">
diff --git a/apps/web/app/[locale]/home/[account]/layout.tsx b/apps/web/app/[locale]/home/[account]/layout.tsx
index 077118586..830a3c86c 100644
--- a/apps/web/app/[locale]/home/[account]/layout.tsx
+++ b/apps/web/app/[locale]/home/[account]/layout.tsx
@@ -4,7 +4,24 @@ import { use } from 'react';
 import { cookies } from 'next/headers';
 import { redirect } from 'next/navigation';
 
-import { Fish, FileSignature, Building2 } from 'lucide-react';
+import {
+  Fish,
+  Waves,
+  Anchor,
+  BookOpen,
+  ShieldCheck,
+  Trophy,
+  FileSignature,
+  ScrollText,
+  ListChecks,
+  BookMarked,
+  Building2,
+  Network,
+  SearchCheck,
+  Share2,
+  PieChart,
+  LayoutTemplate,
+} from 'lucide-react';
 import * as z from 'zod';
 
 import { getSupabaseServerClient } from '@kit/supabase/server-client';
@@ -61,65 +78,132 @@ const getAccountFeatures = cache(async (accountSlug: string) => {
   return (settings?.features as Record<string, boolean>) ?? {};
 });
 
+const iconClasses = 'w-4';
+
 /**
- * Inject per-account feature routes (e.g. Fischerei) into the parsed
- * navigation config. The entry is inserted right after "Veranstaltungen".
+ * Inject per-account feature module route groups (Fischerei, Meetings, Verband)
+ * into the navigation config. These are added as separate collapsible sections
+ * before the Administration section (last group).
+ *
+ * Only modules enabled in the account's settings are shown.
  */
 function injectAccountFeatureRoutes(
   config: z.output<typeof NavigationConfigSchema>,
   account: string,
   features: Record<string, boolean>,
 ): z.output<typeof NavigationConfigSchema> {
-  if (!features.fischerei && !features.meetings && !features.verband)
-    return config;
-
-  const featureEntries: Array<{
-    label: string;
-    path: string;
-    Icon: React.ReactNode;
-  }> = [];
+  const featureGroups: z.output<typeof NavigationConfigSchema>['routes'] = [];
 
   if (features.fischerei) {
-    featureEntries.push({
-      label: 'common.routes.fischerei',
-      path: `/home/${account}/fischerei`,
-      Icon: <Fish className="w-4" />,
+    featureGroups.push({
+      label: 'common:routes.fisheriesManagement',
+      collapsible: true,
+      children: [
+        {
+          label: 'common:routes.fisheriesOverview',
+          path: `/home/${account}/fischerei`,
+          Icon: <Fish className={iconClasses} />,
+        },
+        {
+          label: 'common:routes.fisheriesWaters',
+          path: `/home/${account}/fischerei/waters`,
+          Icon: <Waves className={iconClasses} />,
+        },
+        {
+          label: 'common:routes.fisheriesLeases',
+          path: `/home/${account}/fischerei/leases`,
+          Icon: <Anchor className={iconClasses} />,
+        },
+        {
+          label: 'common:routes.fisheriesCatchBooks',
+          path: `/home/${account}/fischerei/catch-books`,
+          Icon: <BookOpen className={iconClasses} />,
+        },
+        {
+          label: 'common:routes.fisheriesPermits',
+          path: `/home/${account}/fischerei/permits`,
+          Icon: <ShieldCheck className={iconClasses} />,
+        },
+        {
+          label: 'common:routes.fisheriesCompetitions',
+          path: `/home/${account}/fischerei/competitions`,
+          Icon: <Trophy className={iconClasses} />,
+        },
+      ],
     });
   }
 
   if (features.meetings) {
-    featureEntries.push({
-      label: 'common.routes.meetings',
-      path: `/home/${account}/meetings`,
-      Icon: <FileSignature className="w-4" />,
+    featureGroups.push({
+      label: 'common:routes.meetingProtocols',
+      collapsible: true,
+      children: [
+        {
+          label: 'common:routes.meetingsOverview',
+          path: `/home/${account}/meetings`,
+          Icon: <BookMarked className={iconClasses} />,
+        },
+        {
+          label: 'common:routes.meetingsProtocols',
+          path: `/home/${account}/meetings/protocols`,
+          Icon: <ScrollText className={iconClasses} />,
+        },
+        {
+          label: 'common:routes.meetingsTasks',
+          path: `/home/${account}/meetings/tasks`,
+          Icon: <ListChecks className={iconClasses} />,
+        },
+      ],
     });
   }
 
   if (features.verband) {
-    featureEntries.push({
-      label: 'common.routes.verband',
-      path: `/home/${account}/verband`,
-      Icon: <Building2 className="w-4" />,
+    featureGroups.push({
+      label: 'common:routes.associationManagement',
+      collapsible: true,
+      children: [
+        {
+          label: 'common:routes.associationOverview',
+          path: `/home/${account}/verband`,
+          Icon: <Building2 className={iconClasses} />,
+        },
+        {
+          label: 'common:routes.associationHierarchy',
+          path: `/home/${account}/verband/hierarchy`,
+          Icon: <Network className={iconClasses} />,
+        },
+        {
+          label: 'common:routes.associationMemberSearch',
+          path: `/home/${account}/verband/members`,
+          Icon: <SearchCheck className={iconClasses} />,
+        },
+        {
+          label: 'common:routes.associationEvents',
+          path: `/home/${account}/verband/events`,
+          Icon: <Share2 className={iconClasses} />,
+        },
+        {
+          label: 'common:routes.associationReporting',
+          path: `/home/${account}/verband/reporting`,
+          Icon: <PieChart className={iconClasses} />,
+        },
+        {
+          label: 'common:routes.associationTemplates',
+          path: `/home/${account}/verband/templates`,
+          Icon: <LayoutTemplate className={iconClasses} />,
+        },
+      ],
     });
   }
 
-  return {
-    ...config,
-    routes: config.routes.map((group) => {
-      if (!('children' in group)) return group;
+  if (featureGroups.length === 0) return config;
 
-      const eventsIndex = group.children.findIndex(
-        (child) => child.label === 'common.routes.events',
-      );
+  // Insert before the last group (Administration)
+  const routes = [...config.routes];
+  const adminIndex = routes.length - 1;
+  routes.splice(adminIndex, 0, ...featureGroups);
 
-      if (eventsIndex === -1) return group;
-
-      const newChildren = [...group.children];
-      newChildren.splice(eventsIndex + 1, 0, ...featureEntries);
-
-      return { ...group, children: newChildren };
-    }),
-  };
+  return { ...config, routes };
 }
 
 async function SidebarLayout({
diff --git a/apps/web/app/[locale]/home/[account]/loading.tsx b/apps/web/app/[locale]/home/[account]/loading.tsx
index 7a166a2e4..3f02f378a 100644
--- a/apps/web/app/[locale]/home/[account]/loading.tsx
+++ b/apps/web/app/[locale]/home/[account]/loading.tsx
@@ -3,16 +3,16 @@ import { PageBody } from '@kit/ui/page';
 export default function AccountLoading() {
   return (
     <PageBody>
-      <div className="flex flex-col gap-6 animate-pulse">
-        <div className="h-8 w-48 rounded-md bg-muted" />
+      <div className="flex animate-pulse flex-col gap-6">
+        <div className="bg-muted h-8 w-48 rounded-md" />
         <div className="grid grid-cols-1 gap-4 sm:grid-cols-2 lg:grid-cols-4">
           {[1, 2, 3, 4].map((i) => (
-            <div key={i} className="h-24 rounded-lg bg-muted" />
+            <div key={i} className="bg-muted h-24 rounded-lg" />
           ))}
         </div>
         <div className="space-y-2">
           {[1, 2, 3, 4, 5, 6].map((i) => (
-            <div key={i} className="h-12 w-full rounded bg-muted" />
+            <div key={i} className="bg-muted h-12 w-full rounded" />
           ))}
         </div>
       </div>
diff --git a/apps/web/app/[locale]/home/[account]/meetings/protocols/[protocolId]/page.tsx b/apps/web/app/[locale]/home/[account]/meetings/protocols/[protocolId]/page.tsx
index 92f838ca6..6e938e554 100644
--- a/apps/web/app/[locale]/home/[account]/meetings/protocols/[protocolId]/page.tsx
+++ b/apps/web/app/[locale]/home/[account]/meetings/protocols/[protocolId]/page.tsx
@@ -86,7 +86,9 @@ export default async function ProtocolDetailPage({ params }: PageProps) {
                     {MEETING_TYPE_LABELS[protocol.status] ?? protocol.status}
                   </Badge>
                   {protocol.status === 'final' ? (
-                    <Badge variant="default">{t('pages.statusPublished')}</Badge>
+                    <Badge variant="default">
+                      {t('pages.statusPublished')}
+                    </Badge>
                   ) : (
                     <Badge variant="outline">{t('pages.statusDraft')}</Badge>
                   )}
diff --git a/apps/web/app/[locale]/home/[account]/members-cms/[memberId]/edit/page.tsx b/apps/web/app/[locale]/home/[account]/members-cms/[memberId]/edit/page.tsx
index 27042ba28..138c09500 100644
--- a/apps/web/app/[locale]/home/[account]/members-cms/[memberId]/edit/page.tsx
+++ b/apps/web/app/[locale]/home/[account]/members-cms/[memberId]/edit/page.tsx
@@ -1,7 +1,8 @@
+import { getTranslations } from 'next-intl/server';
+
 import { createMemberManagementApi } from '@kit/member-management/api';
 import { EditMemberForm } from '@kit/member-management/components';
 import { getSupabaseServerClient } from '@kit/supabase/server-client';
-import { getTranslations } from 'next-intl/server';
 
 import { AccountNotFound } from '~/components/account-not-found';
 import { CmsPageShell } from '~/components/cms-page-shell';
diff --git a/apps/web/app/[locale]/home/[account]/modules/[moduleId]/[recordId]/page.tsx b/apps/web/app/[locale]/home/[account]/modules/[moduleId]/[recordId]/page.tsx
index 7d38c3633..d75bae8fa 100644
--- a/apps/web/app/[locale]/home/[account]/modules/[moduleId]/[recordId]/page.tsx
+++ b/apps/web/app/[locale]/home/[account]/modules/[moduleId]/[recordId]/page.tsx
@@ -1,7 +1,8 @@
+import { getTranslations } from 'next-intl/server';
+
 import { createModuleBuilderApi } from '@kit/module-builder/api';
 import { ModuleForm } from '@kit/module-builder/components';
 import { getSupabaseServerClient } from '@kit/supabase/server-client';
-import { getTranslations } from 'next-intl/server';
 
 import { AccountNotFound } from '~/components/account-not-found';
 import { CmsPageShell } from '~/components/cms-page-shell';
diff --git a/apps/web/app/[locale]/home/[account]/modules/[moduleId]/import/page.tsx b/apps/web/app/[locale]/home/[account]/modules/[moduleId]/import/page.tsx
index be37bb101..5b68e20a7 100644
--- a/apps/web/app/[locale]/home/[account]/modules/[moduleId]/import/page.tsx
+++ b/apps/web/app/[locale]/home/[account]/modules/[moduleId]/import/page.tsx
@@ -1,6 +1,7 @@
+import { getTranslations } from 'next-intl/server';
+
 import { createModuleBuilderApi } from '@kit/module-builder/api';
 import { getSupabaseServerClient } from '@kit/supabase/server-client';
-import { getTranslations } from 'next-intl/server';
 
 import { CmsPageShell } from '~/components/cms-page-shell';
 
diff --git a/apps/web/app/[locale]/home/[account]/modules/[moduleId]/new/page.tsx b/apps/web/app/[locale]/home/[account]/modules/[moduleId]/new/page.tsx
index 8aba2c9d7..4fb4d7eac 100644
--- a/apps/web/app/[locale]/home/[account]/modules/[moduleId]/new/page.tsx
+++ b/apps/web/app/[locale]/home/[account]/modules/[moduleId]/new/page.tsx
@@ -1,7 +1,8 @@
+import { getTranslations } from 'next-intl/server';
+
 import { createModuleBuilderApi } from '@kit/module-builder/api';
 import { ModuleForm } from '@kit/module-builder/components';
 import { getSupabaseServerClient } from '@kit/supabase/server-client';
-import { getTranslations } from 'next-intl/server';
 
 import { AccountNotFound } from '~/components/account-not-found';
 import { CmsPageShell } from '~/components/cms-page-shell';
diff --git a/apps/web/app/[locale]/home/[account]/newsletter/[campaignId]/page.tsx b/apps/web/app/[locale]/home/[account]/newsletter/[campaignId]/page.tsx
index ea8e2c2c3..429c02000 100644
--- a/apps/web/app/[locale]/home/[account]/newsletter/[campaignId]/page.tsx
+++ b/apps/web/app/[locale]/home/[account]/newsletter/[campaignId]/page.tsx
@@ -171,7 +171,11 @@ export default async function NewsletterDetailPage({ params }: PageProps) {
                                 'secondary'
                               }
                             >
-                              {t(NEWSLETTER_RECIPIENT_STATUS_LABEL_KEYS[rStatus] ?? rStatus)}
+                              {t(
+                                NEWSLETTER_RECIPIENT_STATUS_LABEL_KEYS[
+                                  rStatus
+                                ] ?? rStatus,
+                              )}
                             </Badge>
                           </td>
                         </tr>
diff --git a/apps/web/app/[locale]/home/[account]/newsletter/page.tsx b/apps/web/app/[locale]/home/[account]/newsletter/page.tsx
index 56287b1f4..cd9b63827 100644
--- a/apps/web/app/[locale]/home/[account]/newsletter/page.tsx
+++ b/apps/web/app/[locale]/home/[account]/newsletter/page.tsx
@@ -204,7 +204,10 @@ export default async function NewsletterPage({
                               'secondary'
                             }
                           >
-                            {t(NEWSLETTER_STATUS_LABEL_KEYS[String(nl.status)] ?? String(nl.status))}
+                            {t(
+                              NEWSLETTER_STATUS_LABEL_KEYS[String(nl.status)] ??
+                                String(nl.status),
+                            )}
                           </Badge>
                         </td>
                         <td className="p-3 text-right">
@@ -241,7 +244,12 @@ export default async function NewsletterPage({
                         </Link>
                       </Button>
                     ) : (
-                      <Button variant="outline" size="sm" disabled aria-label={t('common.previous')}>
+                      <Button
+                        variant="outline"
+                        size="sm"
+                        disabled
+                        aria-label={t('common.previous')}
+                      >
                         <ChevronLeft className="h-4 w-4" aria-hidden="true" />
                       </Button>
                     )}
@@ -256,11 +264,19 @@ export default async function NewsletterPage({
                           href={`/home/${account}/newsletter${buildQuery(queryBase, { page: safePage + 1 })}`}
                           aria-label={t('common.next')}
                         >
-                          <ChevronRight className="h-4 w-4" aria-hidden="true" />
+                          <ChevronRight
+                            className="h-4 w-4"
+                            aria-hidden="true"
+                          />
                         </Link>
                       </Button>
                     ) : (
-                      <Button variant="outline" size="sm" disabled aria-label={t('common.next')}>
+                      <Button
+                        variant="outline"
+                        size="sm"
+                        disabled
+                        aria-label={t('common.next')}
+                      >
                         <ChevronRight className="h-4 w-4" aria-hidden="true" />
                       </Button>
                     )}
diff --git a/apps/web/app/[locale]/home/[account]/site-builder/new/page.tsx b/apps/web/app/[locale]/home/[account]/site-builder/new/page.tsx
index b0a6b24e4..f8fc7ce5e 100644
--- a/apps/web/app/[locale]/home/[account]/site-builder/new/page.tsx
+++ b/apps/web/app/[locale]/home/[account]/site-builder/new/page.tsx
@@ -1,6 +1,7 @@
+import { getTranslations } from 'next-intl/server';
+
 import { CreatePageForm } from '@kit/site-builder/components';
 import { getSupabaseServerClient } from '@kit/supabase/server-client';
-import { getTranslations } from 'next-intl/server';
 
 import { AccountNotFound } from '~/components/account-not-found';
 import { CmsPageShell } from '~/components/cms-page-shell';
diff --git a/apps/web/app/[locale]/home/[account]/site-builder/page.tsx b/apps/web/app/[locale]/home/[account]/site-builder/page.tsx
index 025680709..9f473c9fb 100644
--- a/apps/web/app/[locale]/home/[account]/site-builder/page.tsx
+++ b/apps/web/app/[locale]/home/[account]/site-builder/page.tsx
@@ -166,10 +166,7 @@ export default async function SiteBuilderDashboard({ params }: Props) {
               </thead>
               <tbody>
                 {(pages as SitePage[]).map((page) => (
-                  <tr
-                    key={page.id}
-                    className="hover:bg-muted/30 border-b"
-                  >
+                  <tr key={page.id} className="hover:bg-muted/30 border-b">
                     <td className="p-3 font-medium">{page.title}</td>
                     <td className="text-muted-foreground p-3 font-mono text-xs">
                       /{page.slug}
diff --git a/apps/web/app/[locale]/home/[account]/site-builder/posts/new/page.tsx b/apps/web/app/[locale]/home/[account]/site-builder/posts/new/page.tsx
index 98800be32..71c736a49 100644
--- a/apps/web/app/[locale]/home/[account]/site-builder/posts/new/page.tsx
+++ b/apps/web/app/[locale]/home/[account]/site-builder/posts/new/page.tsx
@@ -1,6 +1,7 @@
+import { getTranslations } from 'next-intl/server';
+
 import { CreatePostForm } from '@kit/site-builder/components';
 import { getSupabaseServerClient } from '@kit/supabase/server-client';
-import { getTranslations } from 'next-intl/server';
 
 import { AccountNotFound } from '~/components/account-not-found';
 import { CmsPageShell } from '~/components/cms-page-shell';
diff --git a/apps/web/app/[locale]/home/[account]/site-builder/posts/page.tsx b/apps/web/app/[locale]/home/[account]/site-builder/posts/page.tsx
index c3ae9673f..d4f6cf485 100644
--- a/apps/web/app/[locale]/home/[account]/site-builder/posts/page.tsx
+++ b/apps/web/app/[locale]/home/[account]/site-builder/posts/page.tsx
@@ -77,10 +77,7 @@ export default async function PostsManagerPage({ params }: Props) {
               </thead>
               <tbody>
                 {(posts as SitePost[]).map((post) => (
-                  <tr
-                    key={post.id}
-                    className="hover:bg-muted/30 border-b"
-                  >
+                  <tr key={post.id} className="hover:bg-muted/30 border-b">
                     <td className="p-3 font-medium">{post.title}</td>
                     <td className="p-3">
                       <Badge
diff --git a/apps/web/app/[locale]/home/[account]/site-builder/publish-toggle-button.tsx b/apps/web/app/[locale]/home/[account]/site-builder/publish-toggle-button.tsx
index f49cb0396..3a57b2f0b 100644
--- a/apps/web/app/[locale]/home/[account]/site-builder/publish-toggle-button.tsx
+++ b/apps/web/app/[locale]/home/[account]/site-builder/publish-toggle-button.tsx
@@ -5,7 +5,6 @@ import { useTransition } from 'react';
 import { useRouter } from 'next/navigation';
 
 import { useTranslations } from 'next-intl';
-import { toast } from '@kit/ui/sonner';
 
 import {
   AlertDialog,
@@ -19,6 +18,7 @@ import {
   AlertDialogTrigger,
 } from '@kit/ui/alert-dialog';
 import { Button } from '@kit/ui/button';
+import { toast } from '@kit/ui/sonner';
 
 interface PublishToggleButtonProps {
   pageId: string;
@@ -38,11 +38,14 @@ export function PublishToggleButton({
   const handleToggle = () => {
     startTransition(async () => {
       try {
-        const response = await fetch(`/api/site-builder/pages/${pageId}/publish`, {
-          method: 'PATCH',
-          headers: { 'Content-Type': 'application/json' },
-          body: JSON.stringify({ accountId, isPublished: !isPublished }),
-        });
+        const response = await fetch(
+          `/api/site-builder/pages/${pageId}/publish`,
+          {
+            method: 'PATCH',
+            headers: { 'Content-Type': 'application/json' },
+            body: JSON.stringify({ accountId, isPublished: !isPublished }),
+          },
+        );
 
         if (!response.ok) {
           toast.error(t('pages.toggleError'));
diff --git a/apps/web/app/[locale]/home/[account]/verband/settings/_components/settings-content.tsx b/apps/web/app/[locale]/home/[account]/verband/settings/_components/settings-content.tsx
index fa0021420..1b8993e63 100644
--- a/apps/web/app/[locale]/home/[account]/verband/settings/_components/settings-content.tsx
+++ b/apps/web/app/[locale]/home/[account]/verband/settings/_components/settings-content.tsx
@@ -230,9 +230,7 @@ export default function SettingsContent({
   return (
     <div className="space-y-6">
       <div>
-        <p className="text-muted-foreground">
-          {t('settings.subtitle')}
-        </p>
+        <p className="text-muted-foreground">{t('settings.subtitle')}</p>
       </div>
 
       <SettingsSection
diff --git a/apps/web/components/account-not-found.tsx b/apps/web/components/account-not-found.tsx
index ab28167a8..1b6617363 100644
--- a/apps/web/components/account-not-found.tsx
+++ b/apps/web/components/account-not-found.tsx
@@ -19,7 +19,8 @@ export async function AccountNotFound({
   const t = await getTranslations('common');
 
   const resolvedTitle = title ?? t('accountNotFoundCard.title');
-  const resolvedDescription = description ?? t('accountNotFoundCard.description');
+  const resolvedDescription =
+    description ?? t('accountNotFoundCard.description');
   const resolvedButtonLabel = buttonLabel ?? t('accountNotFoundCard.action');
 
   return (
diff --git a/apps/web/components/cms-page-shell.tsx b/apps/web/components/cms-page-shell.tsx
index 2445bcfd0..13e4a865c 100644
--- a/apps/web/components/cms-page-shell.tsx
+++ b/apps/web/components/cms-page-shell.tsx
@@ -27,7 +27,9 @@ export function CmsPageShell({
       <TeamAccountLayoutPageHeader
         account={account}
         title={title}
-        description={description !== undefined ? description : <AppBreadcrumbs />}
+        description={
+          description !== undefined ? description : <AppBreadcrumbs />
+        }
       />
 
       <PageBody>{children}</PageBody>
diff --git a/apps/web/config/team-account-navigation.config.tsx b/apps/web/config/team-account-navigation.config.tsx
index e8911c2aa..eefdcd2bc 100644
--- a/apps/web/config/team-account-navigation.config.tsx
+++ b/apps/web/config/team-account-navigation.config.tsx
@@ -8,7 +8,6 @@ import {
   UserPlus,
   IdCard,
   ClipboardList,
-  KeyRound,
   // Courses
   GraduationCap,
   CalendarDays,
@@ -41,24 +40,6 @@ import {
   PanelTop,
   Newspaper,
   Palette,
-  // Fisheries
-  Fish,
-  Waves,
-  Anchor,
-  BookOpen,
-  ShieldCheck,
-  Trophy,
-  // Meetings
-  BookMarked,
-  ListChecks,
-  ScrollText,
-  // Association (Verband)
-  Building2,
-  Network,
-  SearchCheck,
-  Share2,
-  PieChart,
-  LayoutTemplate,
   // Modules
   Database,
 } from 'lucide-react';
@@ -396,176 +377,51 @@ const getRoutes = (account: string) => {
     });
   }
 
-  // ── Custom Modules ──
-  if (featureFlagsConfig.enableModuleBuilder) {
-    routes.push({
-      label: 'common:routes.customModules',
-      collapsible: true,
-      collapsed: true,
-      children: [
-        {
-          label: 'common:routes.moduleList',
-          path: createPath(pathsConfig.app.accountModules, account),
-          Icon: <Database className={iconClasses} />,
-        },
-      ],
-    });
-  }
-
-  // ── Fisheries ──
-  if (featureFlagsConfig.enableFischerei) {
-    routes.push({
-      label: 'common:routes.fisheriesManagement',
-      collapsible: true,
-      children: [
-        {
-          label: 'common:routes.fisheriesOverview',
-          path: createPath(pathsConfig.app.accountFischerei, account),
-          Icon: <Fish className={iconClasses} />,
-        },
-        {
-          label: 'common:routes.fisheriesWaters',
-          path: createPath(
-            pathsConfig.app.accountFischerei + '/waters',
-            account,
-          ),
-          Icon: <Waves className={iconClasses} />,
-        },
-        {
-          label: 'common:routes.fisheriesLeases',
-          path: createPath(
-            pathsConfig.app.accountFischerei + '/leases',
-            account,
-          ),
-          Icon: <Anchor className={iconClasses} />,
-        },
-        {
-          label: 'common:routes.fisheriesCatchBooks',
-          path: createPath(
-            pathsConfig.app.accountFischerei + '/catch-books',
-            account,
-          ),
-          Icon: <BookOpen className={iconClasses} />,
-        },
-        {
-          label: 'common:routes.fisheriesPermits',
-          path: createPath(
-            pathsConfig.app.accountFischerei + '/permits',
-            account,
-          ),
-          Icon: <ShieldCheck className={iconClasses} />,
-        },
-        {
-          label: 'common:routes.fisheriesCompetitions',
-          path: createPath(
-            pathsConfig.app.accountFischerei + '/competitions',
-            account,
-          ),
-          Icon: <Trophy className={iconClasses} />,
-        },
-      ],
-    });
-  }
-
-  // ── Meeting Protocols ──
-  if (featureFlagsConfig.enableMeetingProtocols) {
-    routes.push({
-      label: 'common:routes.meetingProtocols',
-      collapsible: true,
-      children: [
-        {
-          label: 'common:routes.meetingsOverview',
-          path: createPath(pathsConfig.app.accountMeetings, account),
-          Icon: <BookMarked className={iconClasses} />,
-        },
-        {
-          label: 'common:routes.meetingsProtocols',
-          path: createPath(
-            pathsConfig.app.accountMeetings + '/protocols',
-            account,
-          ),
-          Icon: <ScrollText className={iconClasses} />,
-        },
-        {
-          label: 'common:routes.meetingsTasks',
-          path: createPath(pathsConfig.app.accountMeetings + '/tasks', account),
-          Icon: <ListChecks className={iconClasses} />,
-        },
-      ],
-    });
-  }
-
-  // ── Association Management (Verband) ──
-  if (featureFlagsConfig.enableVerbandsverwaltung) {
-    routes.push({
-      label: 'common:routes.associationManagement',
-      collapsible: true,
-      children: [
-        {
-          label: 'common:routes.associationOverview',
-          path: createPath(pathsConfig.app.accountVerband, account),
-          Icon: <Building2 className={iconClasses} />,
-        },
-        {
-          label: 'common:routes.associationHierarchy',
-          path: createPath(
-            pathsConfig.app.accountVerband + '/hierarchy',
-            account,
-          ),
-          Icon: <Network className={iconClasses} />,
-        },
-        {
-          label: 'common:routes.associationMemberSearch',
-          path: createPath(
-            pathsConfig.app.accountVerband + '/members',
-            account,
-          ),
-          Icon: <SearchCheck className={iconClasses} />,
-        },
-        {
-          label: 'common:routes.associationEvents',
-          path: createPath(pathsConfig.app.accountVerband + '/events', account),
-          Icon: <Share2 className={iconClasses} />,
-        },
-        {
-          label: 'common:routes.associationReporting',
-          path: createPath(
-            pathsConfig.app.accountVerband + '/reporting',
-            account,
-          ),
-          Icon: <PieChart className={iconClasses} />,
-        },
-        {
-          label: 'common:routes.associationTemplates',
-          path: createPath(
-            pathsConfig.app.accountVerband + '/templates',
-            account,
-          ),
-          Icon: <LayoutTemplate className={iconClasses} />,
-        },
-      ],
-    });
-  }
+  // Note: Fischerei, Meetings, and Verband sections are injected at runtime
+  // via injectAccountFeatureRoutes() in the layout, based on per-account
+  // settings (account_settings.features). They are NOT added here to avoid
+  // duplicate entries when both the global feature flag and per-account
+  // setting are enabled.
 
   // ── Administration ──
-  routes.push({
-    label: 'common:routes.administration',
-    collapsible: false,
-    children: [
+  {
+    const adminChildren: Array<
+      | {
+          label: string;
+          path: string;
+          Icon: React.ReactNode;
+        }
+      | undefined
+    > = [
       {
         label: 'common:routes.accountSettings',
         path: createPath(pathsConfig.app.accountSettings, account),
         Icon: <Settings className={iconClasses} />,
       },
-      featureFlagsConfig.enableTeamAccountBilling
-        ? {
-            label: 'common:routes.billing',
-            path: createPath(pathsConfig.app.accountBilling, account),
-            Icon: <CreditCard className={iconClasses} />,
-          }
-        : undefined,
-    ],
-  });
+    ];
+
+    if (featureFlagsConfig.enableModuleBuilder) {
+      adminChildren.push({
+        label: 'common:routes.moduleList',
+        path: createPath(pathsConfig.app.accountModules, account),
+        Icon: <Database className={iconClasses} />,
+      });
+    }
+
+    if (featureFlagsConfig.enableTeamAccountBilling) {
+      adminChildren.push({
+        label: 'common:routes.billing',
+        path: createPath(pathsConfig.app.accountBilling, account),
+        Icon: <CreditCard className={iconClasses} />,
+      });
+    }
+
+    routes.push({
+      label: 'common:routes.administration',
+      collapsible: false,
+      children: adminChildren,
+    });
+  }
 
   return routes;
 };
diff --git a/apps/web/i18n/messages/de/bookings.json b/apps/web/i18n/messages/de/bookings.json
index 035e9525c..b75ac1fa7 100644
--- a/apps/web/i18n/messages/de/bookings.json
+++ b/apps/web/i18n/messages/de/bookings.json
@@ -141,4 +141,4 @@
     "cancel": "Abbrechen",
     "cancelling": "Wird storniert..."
   }
-}
\ No newline at end of file
+}
diff --git a/apps/web/i18n/messages/de/cms.json b/apps/web/i18n/messages/de/cms.json
index dbacee597..04c947bab 100644
--- a/apps/web/i18n/messages/de/cms.json
+++ b/apps/web/i18n/messages/de/cms.json
@@ -812,4 +812,4 @@
       "formatExcel": "Excel"
     }
   }
-}
\ No newline at end of file
+}
diff --git a/apps/web/i18n/messages/de/common.json b/apps/web/i18n/messages/de/common.json
index 6de38a45f..d94b25231 100644
--- a/apps/web/i18n/messages/de/common.json
+++ b/apps/web/i18n/messages/de/common.json
@@ -220,4 +220,4 @@
     "description": "Das angeforderte Konto existiert nicht oder Sie haben keine Berechtigung darauf zuzugreifen.",
     "action": "Zum Dashboard"
   }
-}
\ No newline at end of file
+}
diff --git a/apps/web/i18n/messages/de/courses.json b/apps/web/i18n/messages/de/courses.json
index 5e3986033..c4031bc5b 100644
--- a/apps/web/i18n/messages/de/courses.json
+++ b/apps/web/i18n/messages/de/courses.json
@@ -150,15 +150,7 @@
     "overview": "Kurstermine im Überblick",
     "activeCourses": "Aktive Kurse ({count})",
     "noActiveCourses": "Keine aktiven Kurse in diesem Monat.",
-    "weekdays": [
-      "Mo",
-      "Di",
-      "Mi",
-      "Do",
-      "Fr",
-      "Sa",
-      "So"
-    ],
+    "weekdays": ["Mo", "Di", "Mi", "Do", "Fr", "Sa", "So"],
     "months": [
       "Januar",
       "Februar",
@@ -210,4 +202,4 @@
     "addressPlaceholder": "Musterstr. 1, 12345 Musterstadt",
     "roomPlaceholder": "z. B. Raum 101"
   }
-}
\ No newline at end of file
+}
diff --git a/apps/web/i18n/messages/de/meetings.json b/apps/web/i18n/messages/de/meetings.json
index c36f14794..74915a4e2 100644
--- a/apps/web/i18n/messages/de/meetings.json
+++ b/apps/web/i18n/messages/de/meetings.json
@@ -84,4 +84,4 @@
     "committee": "Ausschusssitzung",
     "other": "Sonstige"
   }
-}
\ No newline at end of file
+}
diff --git a/apps/web/i18n/messages/de/members.json b/apps/web/i18n/messages/de/members.json
index 64cc9ede1..e34dbf460 100644
--- a/apps/web/i18n/messages/de/members.json
+++ b/apps/web/i18n/messages/de/members.json
@@ -200,4 +200,4 @@
     "bic": "BIC",
     "accountHolder": "Kontoinhaber"
   }
-}
\ No newline at end of file
+}
diff --git a/apps/web/i18n/messages/de/newsletter.json b/apps/web/i18n/messages/de/newsletter.json
index 4219bdf97..1678fa2d5 100644
--- a/apps/web/i18n/messages/de/newsletter.json
+++ b/apps/web/i18n/messages/de/newsletter.json
@@ -80,4 +80,4 @@
     "previous": "Zurück",
     "next": "Weiter"
   }
-}
\ No newline at end of file
+}
diff --git a/apps/web/i18n/messages/en/bookings.json b/apps/web/i18n/messages/en/bookings.json
index 1735d7169..96eaf6abc 100644
--- a/apps/web/i18n/messages/en/bookings.json
+++ b/apps/web/i18n/messages/en/bookings.json
@@ -141,4 +141,4 @@
     "cancel": "Dismiss",
     "cancelling": "Cancelling..."
   }
-}
\ No newline at end of file
+}
diff --git a/apps/web/i18n/messages/en/cms.json b/apps/web/i18n/messages/en/cms.json
index 648fc1610..98f3682a6 100644
--- a/apps/web/i18n/messages/en/cms.json
+++ b/apps/web/i18n/messages/en/cms.json
@@ -338,4 +338,4 @@
       }
     }
   }
-}
\ No newline at end of file
+}
diff --git a/apps/web/i18n/messages/en/common.json b/apps/web/i18n/messages/en/common.json
index fd6794f9b..00b5f9ee4 100644
--- a/apps/web/i18n/messages/en/common.json
+++ b/apps/web/i18n/messages/en/common.json
@@ -221,4 +221,4 @@
     "description": "The requested account does not exist or you do not have permission to access it.",
     "action": "Go to Dashboard"
   }
-}
\ No newline at end of file
+}
diff --git a/apps/web/i18n/messages/en/courses.json b/apps/web/i18n/messages/en/courses.json
index 3e5260d41..a0e687651 100644
--- a/apps/web/i18n/messages/en/courses.json
+++ b/apps/web/i18n/messages/en/courses.json
@@ -150,15 +150,7 @@
     "overview": "Overview of course dates",
     "activeCourses": "Active Courses ({count})",
     "noActiveCourses": "No active courses this month.",
-    "weekdays": [
-      "Mon",
-      "Tue",
-      "Wed",
-      "Thu",
-      "Fri",
-      "Sat",
-      "Sun"
-    ],
+    "weekdays": ["Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"],
     "months": [
       "January",
       "February",
@@ -210,4 +202,4 @@
     "addressPlaceholder": "123 Main St, Springfield",
     "roomPlaceholder": "e.g. Room 101"
   }
-}
\ No newline at end of file
+}
diff --git a/apps/web/i18n/messages/en/meetings.json b/apps/web/i18n/messages/en/meetings.json
index df6f6314f..331b5cf96 100644
--- a/apps/web/i18n/messages/en/meetings.json
+++ b/apps/web/i18n/messages/en/meetings.json
@@ -84,4 +84,4 @@
     "committee": "Committee Meeting",
     "other": "Other"
   }
-}
\ No newline at end of file
+}
diff --git a/apps/web/i18n/messages/en/members.json b/apps/web/i18n/messages/en/members.json
index 86ece4094..d26b2a5a5 100644
--- a/apps/web/i18n/messages/en/members.json
+++ b/apps/web/i18n/messages/en/members.json
@@ -200,4 +200,4 @@
     "bic": "BIC",
     "accountHolder": "Account Holder"
   }
-}
\ No newline at end of file
+}
diff --git a/apps/web/i18n/messages/en/newsletter.json b/apps/web/i18n/messages/en/newsletter.json
index 456f067de..d40f22ad0 100644
--- a/apps/web/i18n/messages/en/newsletter.json
+++ b/apps/web/i18n/messages/en/newsletter.json
@@ -80,4 +80,4 @@
     "previous": "Previous",
     "next": "Next"
   }
-}
\ No newline at end of file
+}
diff --git a/apps/web/lib/status-badges.ts b/apps/web/lib/status-badges.ts
index 24496be6f..22ce5a0b5 100644
--- a/apps/web/lib/status-badges.ts
+++ b/apps/web/lib/status-badges.ts
@@ -223,7 +223,8 @@ export const COURSE_STATUS_LABEL = COURSE_STATUS_LABEL_KEYS;
 /** @deprecated Use APPLICATION_STATUS_LABEL_KEYS + t() */
 export const APPLICATION_STATUS_LABEL = APPLICATION_STATUS_LABEL_KEYS;
 /** @deprecated Use NEWSLETTER_RECIPIENT_STATUS_LABEL_KEYS + t() */
-export const NEWSLETTER_RECIPIENT_STATUS_LABEL = NEWSLETTER_RECIPIENT_STATUS_LABEL_KEYS;
+export const NEWSLETTER_RECIPIENT_STATUS_LABEL =
+  NEWSLETTER_RECIPIENT_STATUS_LABEL_KEYS;
 /** @deprecated Use BOOKING_STATUS_LABEL_KEYS + t() */
 export const BOOKING_STATUS_LABEL = BOOKING_STATUS_LABEL_KEYS;
 /** @deprecated Use MODULE_STATUS_LABEL_KEYS + t() */
diff --git a/packages/ui/src/makerkit/navigation-config.schema.ts b/packages/ui/src/makerkit/navigation-config.schema.ts
index 2f8ab63a8..c8e953de0 100644
--- a/packages/ui/src/makerkit/navigation-config.schema.ts
+++ b/packages/ui/src/makerkit/navigation-config.schema.ts
@@ -40,7 +40,7 @@ const RouteGroup = z.object({
 });
 
 export const NavigationConfigSchema = z.object({
-  sidebarCollapsed: z.stringbool().optional().default(false),
+  sidebarCollapsed: z.coerce.boolean().optional().default(false),
   sidebarCollapsedStyle: z.enum(['icon', 'offcanvas', 'none']).default('icon'),
   routes: z.array(z.union([RouteGroup, Divider])),
   style: z.enum(['sidebar', 'header', 'custom']).default('sidebar'),
diff --git a/packages/ui/src/makerkit/sidebar-navigation.tsx b/packages/ui/src/makerkit/sidebar-navigation.tsx
index 65e1f6d6b..8a7403f4c 100644
--- a/packages/ui/src/makerkit/sidebar-navigation.tsx
+++ b/packages/ui/src/makerkit/sidebar-navigation.tsx
@@ -3,7 +3,7 @@
 import Link from 'next/link';
 import { usePathname } from 'next/navigation';
 
-import { ChevronDown } from 'lucide-react';
+import { ChevronRight } from 'lucide-react';
 import { useLocale, useTranslations } from 'next-intl';
 import * as z from 'zod';
 
@@ -68,7 +68,7 @@ function MaybeCollapsible({
   }
 
   return (
-    <Collapsible defaultOpen={defaultOpen} className={'group/collapsible'}>
+    <Collapsible defaultOpen={defaultOpen} className="group/collapsible">
       {children}
     </Collapsible>
   );
@@ -129,23 +129,23 @@ function SidebarNavigationRouteGroupLabel({
 }) {
   const className = cn({ hidden: !open });
 
-  return (
-    <If
-      condition={collapsible}
-      fallback={
-        <SidebarGroupLabel className={className}>
-          <Trans i18nKey={label} defaults={label} />
-        </SidebarGroupLabel>
-      }
-    >
+  if (!collapsible) {
+    return (
       <SidebarGroupLabel className={className}>
-        <CollapsibleTrigger>
-          <Trans i18nKey={label} defaults={label} />
-
-          <ChevronDown className="ml-auto transition-transform group-data-[state=open]/collapsible:rotate-180" />
-        </CollapsibleTrigger>
+        <Trans i18nKey={label} defaults={label} />
       </SidebarGroupLabel>
-    </If>
+    );
+  }
+
+  return (
+    <SidebarGroupLabel className={cn(className, 'cursor-pointer')}>
+      <CollapsibleTrigger className="flex w-full items-center gap-1">
+        <ChevronRight className="size-3.5 shrink-0 transition-transform duration-200 data-[panel-open]:rotate-90" />
+        <span className="truncate">
+          <Trans i18nKey={label} defaults={label} />
+        </span>
+      </CollapsibleTrigger>
+    </SidebarGroupLabel>
   );
 }
 
@@ -165,8 +165,8 @@ function SidebarNavigationSubItems({
       {(items) =>
         items.length > 0 && (
           <SidebarMenuSub
-            className={cn({
-              'mx-0 px-1.5': !open,
+            className={cn('border-sidebar-border ml-3.5 border-l pl-2', {
+              'mx-0 border-l-0 px-1.5': !open,
             })}
           >
             {items.map((child) => {
@@ -241,7 +241,7 @@ function SidebarNavigationRouteChildItem({
 
             <span
               className={cn(
-                'transition-width w-auto transition-opacity duration-500',
+                'transition-width w-auto transition-opacity duration-300',
                 {
                   'w-0 opacity-0': !open,
                 },
@@ -250,9 +250,9 @@ function SidebarNavigationRouteChildItem({
               <Trans i18nKey={child.label} defaults={child.label} />
             </span>
 
-            <ChevronDown
+            <ChevronRight
               className={cn(
-                'ml-auto size-4 transition-transform group-data-[state=open]/collapsible:rotate-180',
+                'ml-auto size-4 shrink-0 transition-transform duration-200 data-[panel-open]:rotate-90',
                 {
                   'hidden size-0': !open,
                 },
diff --git a/packages/ui/src/shadcn/collapsible.tsx b/packages/ui/src/shadcn/collapsible.tsx
index 93a385188..312c7250c 100644
--- a/packages/ui/src/shadcn/collapsible.tsx
+++ b/packages/ui/src/shadcn/collapsible.tsx
@@ -2,6 +2,8 @@
 
 import { Collapsible as CollapsiblePrimitive } from '@base-ui/react/collapsible';
 
+import { cn } from '../lib/utils';
+
 function Collapsible({ ...props }: CollapsiblePrimitive.Root.Props) {
   return <CollapsiblePrimitive.Root data-slot="collapsible" {...props} />;
 }
@@ -12,9 +14,31 @@ function CollapsibleTrigger({ ...props }: CollapsiblePrimitive.Trigger.Props) {
   );
 }
 
-function CollapsibleContent({ ...props }: CollapsiblePrimitive.Panel.Props) {
+/**
+ * CollapsibleContent (Panel) with smooth height animation.
+ *
+ * Base UI sets `--collapsible-panel-height` automatically and provides
+ * `data-open`, `data-closed`, `data-starting-style`, `data-ending-style`
+ * for CSS-driven animations.
+ */
+function CollapsibleContent({
+  className,
+  ...props
+}: CollapsiblePrimitive.Panel.Props) {
   return (
-    <CollapsiblePrimitive.Panel data-slot="collapsible-content" {...props} />
+    <CollapsiblePrimitive.Panel
+      data-slot="collapsible-content"
+      className={cn(
+        [
+          'h-(--collapsible-panel-height) overflow-hidden transition-[height] duration-200 ease-out',
+          'data-[closed]:h-0',
+          'data-[starting-style]:h-0',
+          'data-[ending-style]:h-0',
+        ],
+        className,
+      )}
+      {...props}
+    />
   );
 }