feat: complete CMS v2 with Docker, Fischerei, Meetings, Verband modules + UX audit fixes

Major changes:
- Docker Compose: full Supabase stack (11 services) equivalent to supabase CLI
- Fischerei module: 16 DB tables, waters/species/stocking/catch books/competitions
- Sitzungsprotokolle module: meeting protocols, agenda items, task tracking
- Verbandsverwaltung module: federation management, member clubs, contacts, fees
- Per-account module activation via Modules page toggle
- Site Builder: live CMS data in Puck blocks (courses, events, membership registration)
- Public registration APIs: course signup, event registration, membership application
- Document generation: PDF member cards, Excel reports, HTML labels
- Landing page: real Com.BISS content (no filler text)
- UX audit fixes: AccountNotFound component, shared status badges, confirm dialog,
  pagination, duplicate heading removal, emoji→badge replacement, a11y fixes
- QA: healthcheck fix, API auth fix, enum mismatch fix, password required attribute

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

@@ -0,0 +1,69 @@
+import { getSupabaseServerClient } from '@kit/supabase/server-client';
+import { createVerbandApi } from '@kit/verbandsverwaltung/api';
+import {
+  VerbandTabNavigation,
+  ClubContactsManager,
+  ClubFeeBillingTable,
+  ClubNotesList,
+} from '@kit/verbandsverwaltung/components';
+
+import { CmsPageShell } from '~/components/cms-page-shell';
+import { AccountNotFound } from '~/components/account-not-found';
+
+interface Props {
+  params: Promise<{ account: string; clubId: string }>;
+}
+
+export default async function ClubDetailPage({ params }: Props) {
+  const { account, clubId } = await params;
+  const client = getSupabaseServerClient();
+
+  const { data: acct } = await client
+    .from('accounts')
+    .select('id')
+    .eq('slug', account)
+    .single();
+
+  if (!acct) return <AccountNotFound />;
+
+  const api = createVerbandApi(client);
+  const detail = await api.getClubDetail(clubId);
+
+  return (
+    <CmsPageShell account={account} title={`Verein – ${detail.club.name}`}>
+      <VerbandTabNavigation account={account} activeTab="clubs" />
+
+      <div className="space-y-6">
+        {/* Club Header */}
+        <div className="flex items-start justify-between">
+          <div>
+            <h1 className="text-2xl font-bold">{detail.club.name}</h1>
+            {detail.club.short_name && (
+              <p className="text-muted-foreground">{detail.club.short_name}</p>
+            )}
+            <div className="mt-2 flex flex-wrap gap-4 text-sm text-muted-foreground">
+              {detail.club.city && (
+                <span>{detail.club.zip} {detail.club.city}</span>
+              )}
+              {detail.club.member_count != null && (
+                <span>{detail.club.member_count} Mitglieder</span>
+              )}
+              {detail.club.founded_year && (
+                <span>Gegr. {detail.club.founded_year}</span>
+              )}
+            </div>
+          </div>
+        </div>
+
+        {/* Contacts */}
+        <ClubContactsManager clubId={clubId} contacts={detail.contacts} />
+
+        {/* Fee Billings */}
+        <ClubFeeBillingTable billings={detail.billings} clubId={clubId} />
+
+        {/* Notes */}
+        <ClubNotesList notes={detail.notes} clubId={clubId} />
+      </div>
+    </CmsPageShell>
+  );
+}