feat: added thinking time statistics; added LaTeX rendering support

package.json

@@ -19,6 +19,7 @@
     "fft.js": "^4.0.4",
     "idb": "^8.0.3",
     "jszip": "^3.10.1",
+    "katex": "^0.16.46",
     "onnxruntime-web": "^1.26.0",
     "openai": "^6.33.0",
     "react": "^19.1.0",
@@ -27,7 +28,9 @@
     "react-markdown": "^10.1.0",
     "react-syntax-highlighter": "^15.6.1",
     "reflect-metadata": "^0.2.2",
+    "rehype-katex": "^7.0.1",
     "remark-gfm": "^4.0.1",
+    "remark-math": "^6.0.0",
     "tone": "^15.1.22",
     "vexflow": "^5.0.0",
     "zustand": "^5.0.6"