Separate new requests from request tracking

frontend/app/ui/AdminSidebar.tsx

@@ -8,7 +8,7 @@ const NAV_GROUPS = [
     items: [
       { href: '/admin', label: 'Overview' },
       { href: '/admin/diagnostics', label: 'System health' },
-      { href: '/portal/requests', label: 'Request portal' },
+      { href: '/new-requests', label: 'New requests' },
       { href: '/admin/issues', label: 'Issue tracking' },
     ],
   },

frontend/app/ui/HeaderActions.tsx

@@ -75,13 +75,17 @@ export default function HeaderActions() {
           ]
 
   const commonItems = [
-    { href: '/', label: 'Health', match: (path: string) => path === '/' },
+    {
+      href: '/',
+      label: 'My Requests',
+      match: (path: string) => path === '/' || path.startsWith('/requests/'),
+    },
     ...(showRequestsNav
       ? [
           {
-            href: '/portal/requests',
-            label: 'Requests',
-            match: (path: string) => path === '/portal/requests' || path.startsWith('/requests/'),
+            href: '/new-requests',
+            label: 'New Requests',
+            match: (path: string) => path === '/new-requests',
           },
         ]
       : []),