fix closed terminal feedback loop + add some addons

ui/package.json

@@ -17,6 +17,9 @@
     "@tailwindcss/vite": "^4.2.2",
     "@xterm/addon-clipboard": "^0.2.0",
     "@xterm/addon-fit": "^0.11.0",
+    "@xterm/addon-unicode-graphemes": "^0.4.0",
+    "@xterm/addon-unicode11": "^0.9.0",
+    "@xterm/addon-web-links": "^0.12.0",
     "@xterm/xterm": "^6.0.0",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",