feat: add Peer Files UI for browsing and downloading federated content

- New PeerFiles.vue view shows federated peers and their shared catalogs
- Peer Files card in Cloud.vue shows when federation peers exist
- New content.download-peer RPC fetches content from peer via Tor
- Route: /dashboard/cloud/peers

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

neode-ui/src/router/index.ts

@@ -113,6 +113,11 @@ const router = createRouter({
           name: 'cloud',
           component: () => import('../views/Cloud.vue'),
         },
+        {
+          path: 'cloud/peers',
+          name: 'peer-files',
+          component: () => import('../views/PeerFiles.vue'),
+        },
         {
           path: 'cloud/:folderId',
           name: 'cloud-folder',