feat(chat): render LaTeX math formulas in assistant messages (#886)

Co-authored-by: Cursor Agent <cursoragent@cursor.com>
Co-authored-by: Haze <hazeone@users.noreply.github.com>

package.json

@@ -75,10 +75,13 @@
         "clawhub": "^0.5.0",
         "electron-store": "^11.0.2",
         "electron-updater": "^6.8.3",
+        "katex": "^0.16.45",
         "lru-cache": "^11.2.6",
         "ms": "^2.1.3",
         "node-machine-id": "^1.1.12",
         "posthog-node": "^5.28.0",
+        "rehype-katex": "^7.0.1",
+        "remark-math": "^6.0.0",
         "ws": "^8.19.0"
     },
     "devDependencies": {