feat: Add loading state to thread list

package.json

@@ -14,6 +14,7 @@
   "dependencies": {
     "@assistant-ui/react": "^0.8.0",
     "@assistant-ui/react-markdown": "^0.8.0",
+    "@assistant-ui/react-syntax-highlighter": "^0.7.2",
     "@langchain/core": "^0.3.41",
     "@langchain/google-genai": "^0.1.10",
     "@langchain/langgraph": "^0.2.49",
@@ -33,6 +34,7 @@
     "esbuild": "^0.25.0",
     "esbuild-plugin-tailwindcss": "^2.0.1",
     "framer-motion": "^12.4.9",
+    "katex": "^0.16.21",
     "lucide-react": "^0.476.0",
     "next-themes": "^0.4.4",
     "prettier": "^3.5.2",
@@ -40,7 +42,10 @@
     "react-dom": "^19.0.0",
     "react-markdown": "^10.0.1",
     "react-router-dom": "^6.17.0",
+    "react-syntax-highlighter": "^15.5.0",
+    "rehype-katex": "^7.0.1",
     "remark-gfm": "^4.0.1",
+    "remark-math": "^6.0.0",
     "sonner": "^2.0.1",
     "tailwind-merge": "^3.0.2",
     "tailwindcss-animate": "^1.0.7",
@@ -59,6 +64,7 @@
     "@types/node": "^22.13.5",
     "@types/react": "^19.0.8",
     "@types/react-dom": "^19.0.3",
+    "@types/react-syntax-highlighter": "^15.5.13",
     "@vitejs/plugin-react": "^4.3.4",
     "autoprefixer": "^10.4.20",
     "eslint": "^9.19.0",