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]/modules/_components/module-toggles.tsx

@@ -0,0 +1,110 @@
+'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 { Switch } from '@kit/ui/switch';
+
+import { toggleModuleAction } from '../_lib/server/toggle-module';
+
+interface ModuleDefinition {
+  key: string;
+  label: string;
+  description: string;
+  icon: React.ReactNode;
+}
+
+const AVAILABLE_MODULES: ModuleDefinition[] = [
+  {
+    key: 'fischerei',
+    label: 'Fischerei',
+    description:
+      'Gewässer, Fischarten, Besatz, Fangbücher und Wettbewerbe verwalten',
+    icon: <Fish className="h-5 w-5" />,
+  },
+  {
+    key: 'meetings',
+    label: 'Sitzungsprotokolle',
+    description:
+      'Sitzungsprotokolle, Tagesordnungspunkte und Beschlüsse verwalten',
+    icon: <FileSignature className="h-5 w-5" />,
+  },
+  {
+    key: 'verband',
+    label: 'Verbandsverwaltung',
+    description:
+      'Mitgliedsvereine, Kontaktpersonen, Beiträge und Statistiken verwalten',
+    icon: <Building2 className="h-5 w-5" />,
+  },
+];
+
+interface ModuleTogglesProps {
+  accountId: string;
+  features: Record<string, boolean>;
+}
+
+export function ModuleToggles({ accountId, features }: ModuleTogglesProps) {
+  const router = useRouter();
+  const [isPending, startTransition] = useTransition();
+
+  const handleToggle = (moduleKey: string, enabled: boolean) => {
+    startTransition(async () => {
+      const result = await toggleModuleAction(accountId, moduleKey, enabled);
+
+      if (result.success) {
+        toast.success(
+          enabled ? 'Modul aktiviert' : 'Modul deaktiviert',
+        );
+
+        router.refresh();
+      } else {
+        toast.error('Fehler beim Aktualisieren des Moduls');
+      }
+    });
+  };
+
+  return (
+    <div className="flex flex-col gap-4">
+      <div>
+        <h2 className="text-xl font-semibold">Verfügbare Module</h2>
+        <p className="text-muted-foreground text-sm">
+          Aktivieren oder deaktivieren Sie Module für Ihren Verein
+        </p>
+      </div>
+
+      <div className="divide-y rounded-lg border">
+        {AVAILABLE_MODULES.map((mod) => {
+          const isEnabled = features[mod.key] === true;
+
+          return (
+            <div
+              key={mod.key}
+              className="flex items-center justify-between gap-4 p-4"
+            >
+              <div className="flex items-center gap-3">
+                <div className="text-muted-foreground">{mod.icon}</div>
+                <div>
+                  <p className="font-medium">{mod.label}</p>
+                  <p className="text-muted-foreground text-sm">
+                    {mod.description}
+                  </p>
+                </div>
+              </div>
+
+              <Switch
+                checked={isEnabled}
+                onCheckedChange={(checked) =>
+                  handleToggle(mod.key, Boolean(checked))
+                }
+                disabled={isPending}
+              />
+            </div>
+          );
+        })}
+      </div>
+    </div>
+  );
+}