页面右侧聊天助手的ai输出结果加上md文档格式显示

package.json

@@ -13,12 +13,14 @@
     "axios": "^1.13.6",
     "element-plus": "^2.13.3",
     "html2pdf.js": "^0.14.0",
+    "markdown-it": "^14.2.0",
     "sass": "^1.97.3",
     "vue": "^3.5.25",
     "vue-router": "^4.6.4",
     "vuex": "^4.1.0"
   },
   "devDependencies": {
+    "@types/markdown-it": "^14.1.2",
     "@types/node": "^24.10.1",
     "@vitejs/plugin-vue": "^6.0.2",
     "@vue/tsconfig": "^0.8.1",