feat: Add WebMCP token polling for automatic browser connection

- Add token API endpoint to server for storing/retrieving pending tokens
- Add token polling in frontend to auto-detect and connect with tokens
- Add xterm dependencies for terminal functionality
- Add terminal page support in toolRegistry

frontend/package.json

@@ -11,6 +11,9 @@
   },
   "dependencies": {
     "@nucleoriofrio/webmcp": "git+https://gitea.nucleoriofrio.com/nucleo000/webmcp.git",
+    "@xterm/addon-fit": "^0.11.0",
+    "@xterm/addon-web-links": "^0.12.0",
+    "@xterm/xterm": "^6.0.0",
     "pinia": "^3.0.4",
     "vite-plugin-pwa": "^1.2.0",
     "vue": "^3.5.25",