✨ feat(vscode): 代码阅读的注释和函数说明按 Markdown 渲染

vscode/webview-ui/package.json

@@ -18,6 +18,7 @@
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
     "lucide-react": "^1.16.0",
+    "markdown-it": "^15.0.2",
     "react": "^19.0.0",
     "react-dom": "^19.0.0",
     "tailwind-merge": "^3.6.0"