fix: complete all 15 audit points — delegations entparkt, unbenutzte API-Clients gelöscht, conftest.py erweitert (wiki+plugin models), decision_guard↔Approval integriert, Frontend-Pages API-Anbindung (AgentsOverview, StartPage), tsc clean, 11 tests passing

frontend/src/pages/StartPage.tsx

@@ -1,6 +1,6 @@
 /**
  * Start page — shown after login.
- * 2-column layout: left menu, right grid with workspace tiles.
+ * 2-column layout: left menu, right grid with workspace tiles + dashboard stats.
  */
 
 import React from 'react';
@@ -8,7 +8,9 @@ import { useNavigate } from 'react-router-dom';
 import { useTranslation } from 'react-i18next';
 import { useAuthStore } from '@/store/authStore';
 import { useUIStore } from '@/store/uiStore';
-import { Settings, HelpCircle, LayoutGrid, ArrowRight, Plus, Bot, Zap, ArrowLeft, ScrollText } from 'lucide-react';
+import { useUnifiedContacts, useAuditLog } from '@/api/hooks';
+import { StatCard } from '@/components/shared/StatCard';
+import { Settings, HelpCircle, LayoutGrid, ArrowRight, Plus, Bot, Zap, ArrowLeft, ScrollText, Users, Building2, Activity } from 'lucide-react';
 
 // Workspace tile definition
 interface WorkspaceTile {
@@ -37,6 +39,14 @@ export function StartPage() {
   const user = useAuthStore((state) => state.user);
   const sidebarOpen = useUIStore((state) => state.sidebarOpen);
 
+  const { data: companiesData } = useUnifiedContacts(1, 1, undefined, 'company');
+  const { data: contactsData } = useUnifiedContacts(1, 1, undefined, 'person');
+  const { data: auditData } = useAuditLog(1, 5);
+
+  const totalCompanies = companiesData?.total ?? 0;
+  const totalContacts = contactsData?.total ?? 0;
+  const recentActivities = auditData?.items?.length ?? 0;
+
   const menuItems = [
     { id: 'workspaces', label: 'Workspaces', icon: <LayoutGrid className="w-4 h-4" />, active: true },
     { id: 'settings', label: 'Einstellungen', icon: <Settings className="w-4 h-4" />, onClick: () => navigate('/settings') },
@@ -94,6 +104,28 @@ export function StartPage() {
             <p className="text-sm text-secondary-500 mt-1">Wähle einen Workspace aus</p>
           </div>
 
+          {/* Dashboard stats */}
+          <div className="grid grid-cols-1 sm:grid-cols-3 gap-4 mb-8">
+            <StatCard
+              label={t('dashboard.totalCompanies', 'Firmen')}
+              value={totalCompanies}
+              icon={<Building2 className="w-5 h-5" />}
+              testId="start-stat-companies"
+            />
+            <StatCard
+              label={t('dashboard.totalContacts', 'Kontakte')}
+              value={totalContacts}
+              icon={<Users className="w-5 h-5" />}
+              testId="start-stat-contacts"
+            />
+            <StatCard
+              label={t('dashboard.recentActivity', 'Aktuelle Aktivität')}
+              value={recentActivities}
+              icon={<Activity className="w-5 h-5" />}
+              testId="start-stat-activity"
+            />
+          </div>
+
           {/* Masonry-style grid */}
           <div className="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-3 gap-4">
             {DEFAULT_WORKSPACES.map((ws) => (