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/api/aiUIControl.ts

@@ -1,70 +0,0 @@
-/**
- * API client for AI UI Control endpoints.
- *
- * Task 4.2: REST endpoints for AI agents to send commands and poll status.
- */
-
-import { apiClient } from './client';
-
-export interface UICommandCreate {
-  action: string;
-  path?: string | null;
-  entity?: string | null;
-  filter?: Record<string, unknown> | null;
-  contact_id?: string | null;
-  modal?: string | null;
-  tab?: string | null;
-  section?: string | null;
-  key?: string | null;
-  value?: unknown | null;
-  description?: string | null;
-}
-
-export interface UICommandResponse {
-  command_id: string;
-  status: string;
-  action: string;
-  message?: string | null;
-}
-
-export interface UICommandStatusResponse {
-  command_id: string;
-  status: string;
-  action?: string | null;
-  feedback?: {
-    command_id: string;
-    status: string;
-    action?: string | null;
-    current_path?: string | null;
-    current_tab?: string | null;
-    message?: string | null;
-    error?: string | null;
-    data?: Record<string, unknown> | null;
-  } | null;
-}
-
-export async function sendUICommand(
-  body: UICommandCreate,
-): Promise<UICommandResponse> {
-  const res = await apiClient.post<UICommandResponse>(
-    '/ai-ui-control/command',
-    body,
-  );
-  return res.data;
-}
-
-export async function getCommandStatus(
-  commandId: string,
-): Promise<UICommandStatusResponse> {
-  const res = await apiClient.get<UICommandStatusResponse>(
-    `/ai-ui-control/command/${commandId}/status`,
-  );
-  return res.data;
-}
-
-export async function getOnlineUsers(): Promise<{ online_users: string[] }> {
-  const res = await apiClient.get<{ online_users: string[] }>(
-    '/ai-ui-control/online-users',
-  );
-  return res.data;
-}

frontend/src/api/searchHooks.ts

@@ -1,13 +0,0 @@
-import { useQuery } from '@tanstack/react-query';
-import type { FacetsResponse } from './search';
-
-export function useSearchFacets() {
-  return useQuery({
-    queryKey: ['searchFacets'],
-    queryFn: async (): Promise<FacetsResponse> => {
-      const { fetchFacets } = await import('@/api/search');
-      return fetchFacets();
-    },
-    staleTime: 5 * 60 * 1000,
-  });
-}

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) => (

frontend/src/pages/agents/AgentsOverview.tsx

@@ -1,35 +1,99 @@
 import React from 'react';
+import { useTranslation } from 'react-i18next';
+import { useAgents } from '@/api/automation';
+import { Card } from '@/components/ui/Card';
+import { Badge } from '@/components/ui/Badge';
+import { Skeleton } from '@/components/ui/Skeleton';
+import { EmptyState } from '@/components/ui/EmptyState';
+import { Bot, Brain, Activity, AlertCircle } from 'lucide-react';
+import type { AgentDefinition } from '@/types/automation';
+
+function statusBadgeVariant(status: string): 'success' | 'warning' | 'secondary' {
+  if (status === 'active') return 'success';
+  if (status === 'inactive') return 'secondary';
+  return 'warning';
+}
 
 export function AgentsOverviewPage() {
+  const { t } = useTranslation();
+  const { data: agents, isLoading, isError, refetch } = useAgents();
+
   return (
     <div className="max-w-4xl mx-auto">
       <h1 className="text-2xl font-bold text-secondary-900 mb-4">Agenten Übersicht</h1>
       <p className="text-secondary-600 mb-6">
         Verwalten Sie KI-Agenten, führen Sie diese aus und überwachen Sie deren Ausführungen.
       </p>
-      <div className="grid grid-cols-1 md:grid-cols-3 gap-4">
-        <div className="p-6 bg-white rounded-xl border border-secondary-200">
-          <div className="w-12 h-12 bg-primary-100 rounded-lg flex items-center justify-center mb-3">
-            <svg className="w-6 h-6 text-primary-600" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M9.75 17L9 20l-1 1h8l-1-1-.75-3M3 13h18M3 13l2-6h14l2 6M3 13v4a2 2 0 002 2h14a2 2 0 002-2v-4" /></svg>
-          </div>
-          <h3 className="font-semibold text-secondary-900">Agenten</h3>
-          <p className="text-sm text-secondary-500 mt-1">KI-Agenten erstellen, konfigurieren und ausführen</p>
+
+      {/* Loading */}
+      {isLoading && (
+        <div className="space-y-4">
+          {[1, 2, 3].map((i) => (
+            <Skeleton key={i} className="h-24 w-full" />
+          ))}
         </div>
-        <div className="p-6 bg-white rounded-xl border border-secondary-200">
-          <div className="w-12 h-12 bg-warning-100 rounded-lg flex items-center justify-center mb-3">
-            <svg className="w-6 h-6 text-warning-600" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M13 10V3L4 14h7v7l9-11h-7z" /></svg>
+      )}
+
+      {/* Error */}
+      {isError && (
+        <Card className="p-6">
+          <div className="flex items-center gap-3 text-danger-600">
+            <AlertCircle className="h-5 w-5" />
+            <span>{t('common.errorLoading')}</span>
+            <button
+              onClick={() => refetch()}
+              className="ml-auto px-3 py-1.5 text-sm font-medium rounded-md bg-secondary-100 text-secondary-700 hover:bg-secondary-200 transition-colors min-h-touch"
+            >
+              {t('common.retry')}
+            </button>
           </div>
-          <h3 className="font-semibold text-secondary-900">Automation</h3>
-          <p className="text-sm text-secondary-500 mt-1">Automatisierte Workflows und Trigger</p>
+        </Card>
+      )}
+
+      {/* Empty State */}
+      {!isLoading && !isError && (!agents || agents.length === 0) && (
+        <EmptyState
+          title={t('agent.noAgents', 'Keine Agenten')}
+          description={t('agent.noAgentsDesc', 'Erstellen Sie Ihren ersten KI-Agenten, um zu starten.')}
+          icon={<Bot className="h-8 w-8" />}
+        />
+      )}
+
+      {/* Agent List */}
+      {!isLoading && !isError && agents && agents.length > 0 && (
+        <div className="space-y-4">
+          {agents.map((agent: AgentDefinition) => (
+            <Card key={agent.id} className="p-4">
+              <div className="flex items-start justify-between">
+                <div className="flex-1">
+                  <div className="flex items-center gap-3 mb-1">
+                    <h3 className="text-lg font-semibold text-secondary-900">{agent.name}</h3>
+                    <Badge variant={statusBadgeVariant(agent.active ? 'active' : 'inactive')}>
+                      {agent.active ? t('agent.active', 'Aktiv') : t('agent.inactive', 'Inaktiv')}
+                    </Badge>
+                    <Badge variant={agent.mode === 'proactive' ? 'info' : 'secondary'}>
+                      {agent.mode}
+                    </Badge>
+                  </div>
+                  {agent.description && (
+                    <p className="text-sm text-secondary-500 mb-2">{agent.description}</p>
+                  )}
+                  <div className="flex items-center gap-4 text-xs text-secondary-400">
+                    <span className="flex items-center gap-1">
+                      <Brain className="h-3 w-3" />
+                      {agent.model}
+                    </span>
+                    <span className="flex items-center gap-1">
+                      <Activity className="h-3 w-3" />
+                      {agent.tools?.length || 0} tools
+                    </span>
+                  </div>
+                </div>
+              </div>
+            </Card>
+          ))}
         </div>
-        <div className="p-6 bg-white rounded-xl border border-secondary-200">
-          <div className="w-12 h-12 bg-success-100 rounded-lg flex items-center justify-center mb-3">
-            <svg className="w-6 h-6 text-success-600" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M9.663 17h4.673M12 3v1m6.364 1.636l-.707.707M21 12h-1M4 12H3m3.343-5.657l-.707-.707m2.828 9.9a5 5 0 117.072 0l-.548.547A3.374 3.374 0 0014 18.469V19a2 2 0 11-4 0v-.531c0-.895-.356-1.754-.988-2.386l-.548-.547z" /></svg>
-          </div>
-          <h3 className="font-semibold text-secondary-900">KI</h3>
-          <p className="text-sm text-secondary-500 mt-1">KI-Assistent und Proactive AI</p>
-        </div>
-      </div>
+      )}
     </div>
   );
 }