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

packages/features/event-management/src/server/api.ts

@@ -6,6 +6,7 @@ import type { CreateEventInput } from '../schema/event.schema';
 /* eslint-disable @typescript-eslint/no-explicit-any */
 
 export function createEventManagementApi(client: SupabaseClient<Database>) {
+  const PAGE_SIZE = 25;
   const db = client;
 
   return {
@@ -14,10 +15,28 @@ export function createEventManagementApi(client: SupabaseClient<Database>) {
         .eq('account_id', accountId).order('event_date', { ascending: false });
       if (opts?.status) query = query.eq('status', opts.status);
       const page = opts?.page ?? 1;
-      query = query.range((page - 1) * 25, page * 25 - 1);
+      query = query.range((page - 1) * PAGE_SIZE, page * PAGE_SIZE - 1);
       const { data, error, count } = await query;
       if (error) throw error;
-      return { data: data ?? [], total: count ?? 0 };
+      const total = count ?? 0;
+      return { data: data ?? [], total, page, pageSize: PAGE_SIZE, totalPages: Math.max(1, Math.ceil(total / PAGE_SIZE)) };
+    },
+
+    async getRegistrationCounts(eventIds: string[]) {
+      if (eventIds.length === 0) return {} as Record<string, number>;
+      const { data, error } = await client
+        .from('event_registrations')
+        .select('event_id', { count: 'exact', head: false })
+        .in('event_id', eventIds)
+        .in('status', ['pending', 'confirmed']);
+      if (error) throw error;
+
+      const counts: Record<string, number> = {};
+      for (const row of data ?? []) {
+        const eid = (row as Record<string, unknown>).event_id as string;
+        counts[eid] = (counts[eid] ?? 0) + 1;
+      }
+      return counts;
     },
 
     async getEvent(eventId: string) {