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]/members-cms/page.tsx

@@ -2,6 +2,9 @@ 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 { AccountNotFound } from '~/components/account-not-found';
+
+const PAGE_SIZE = 25;
 
 interface Props {
   params: Promise<{ account: string }>;
@@ -13,7 +16,7 @@ export default async function MembersPage({ params, searchParams }: Props) {
   const search = await searchParams;
   const client = getSupabaseServerClient();
   const { data: acct } = await client.from('accounts').select('id').eq('slug', account).single();
-  if (!acct) return <div>Konto nicht gefunden</div>;
+  if (!acct) return <AccountNotFound />;
 
   const api = createMemberManagementApi(client);
   const page = Number(search.page) || 1;
@@ -21,7 +24,7 @@ export default async function MembersPage({ params, searchParams }: Props) {
     search: search.q as string,
     status: search.status as string,
     page,
-    pageSize: 25,
+    pageSize: PAGE_SIZE,
   });
   const duesCategories = await api.listDuesCategories(acct.id);
 
@@ -31,7 +34,7 @@ export default async function MembersPage({ params, searchParams }: Props) {
         data={result.data}
         total={result.total}
         page={page}
-        pageSize={25}
+        pageSize={PAGE_SIZE}
         account={account}
         duesCategories={(duesCategories ?? []).map((c: Record<string, unknown>) => ({
           id: String(c.id), name: String(c.name),