feat(admin-dashboard): add User Feedback link to sidebar navigation

dashboards/admin-web/src/components/sidebar-nav.tsx

@@ -28,6 +28,7 @@ import {
   Activity,
   FileText,
   Shield,
+  MessageSquare,
 } from 'lucide-react';
 import { cn } from '@/lib/utils';
 import { useAuth } from '@/lib/auth-context';
@@ -54,6 +55,7 @@ const navItems = [
   { href: '/ops', label: 'Mission Control', icon: Activity },
   { href: '/ops/client-logs', label: 'Client Logs', icon: FileText },
   { href: '/ops/telemetry-policies', label: 'Telemetry Policies', icon: Shield },
+  { href: '/feedback', label: 'User Feedback', icon: MessageSquare },
   { href: '/ops/secrets', label: 'Secrets Manager', icon: KeyRound },
   { href: '/settings', label: 'Settings', icon: Settings },
 ];