feat: Add agent inbox as prebuilt gen ui component

package.json

@@ -24,6 +24,7 @@
     "@radix-ui/react-avatar": "^1.1.3",
     "@radix-ui/react-dialog": "^1.1.6",
     "@radix-ui/react-label": "^2.1.2",
+    "@radix-ui/react-separator": "^1.1.2",
     "@radix-ui/react-slot": "^1.1.2",
     "@radix-ui/react-tooltip": "^1.1.8",
     "@tailwindcss/postcss": "^4.0.9",
@@ -35,6 +36,7 @@
     "esbuild-plugin-tailwindcss": "^2.0.1",
     "framer-motion": "^12.4.9",
     "katex": "^0.16.21",
+    "lodash": "^4.17.21",
     "lucide-react": "^0.476.0",
     "next-themes": "^0.4.4",
     "prettier": "^3.5.2",
@@ -57,6 +59,7 @@
   },
   "devDependencies": {
     "@eslint/js": "^9.19.0",
+    "@types/lodash": "^4.17.16",
     "@types/node": "^22.13.5",
     "@types/react": "^19.0.8",
     "@types/react-dom": "^19.0.3",