feat(ui): remove KI/Automation from agents sidebar, add automation to start page, remove from topbar

frontend/src/pages/Agents.tsx

@@ -20,23 +20,6 @@ const AGENT_TREE: AgentNode[] = [
       { title: 'Versionen', path: '/agents/versions' },
     ],
   },
-  {
-    title: 'Automation',
-    icon: <Zap className="w-4 h-4" />,
-    children: [
-      { title: 'Übersicht', path: '/agents/automation' },
-      { title: 'Einstellungen', path: '/agents/automation-settings' },
-    ],
-  },
-  {
-    title: 'KI',
-    icon: <Brain className="w-4 h-4" />,
-    children: [
-      { title: 'Assistent', path: '/agents/ai-assistant' },
-      { title: 'Einstellungen', path: '/agents/ai-settings' },
-      { title: 'Proactive AI', path: '/agents/ai-proactive' },
-    ],
-  },
 ];
 
 function TreeItem({ node, depth }: { node: AgentNode; depth: number }) {

frontend/src/pages/StartPage.tsx

@@ -8,7 +8,7 @@ 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 } from 'lucide-react';
+import { Settings, HelpCircle, LayoutGrid, ArrowRight, Plus, Bot, Zap } from 'lucide-react';
 
 // Workspace tile definition
 interface WorkspaceTile {
@@ -41,6 +41,7 @@ export function StartPage() {
     { 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') },
     { id: 'agents', label: 'Agenten', icon: <Bot className="w-4 h-4" />, onClick: () => navigate('/agents/overview') },
+    { id: 'automation', label: 'Automation', icon: <Zap className="w-4 h-4" />, onClick: () => navigate('/agents/automation') },
     { id: 'help', label: 'Hilfe', icon: <HelpCircle className="w-4 h-4" />, onClick: () => navigate('/help/welcome') },
   ];