fix: replace rehype-pretty-code with react-syntax-highlighter for SSR compatibility

package.json

@@ -28,14 +28,12 @@
     "react": "^19.2.0",
     "react-dom": "^19.2.0",
     "react-markdown": "^9.0.1",
-    "rehype-pretty-code": "^0.14.3",
+    "react-syntax-highlighter": "^16.1.1",
     "remark-gfm": "^4.0.0",
-    "shiki": "^4.0.2",
     "tailwindcss": "^4.1.18",
     "use-debounce": "^10.1.0"
   },
   "devDependencies": {
-    "nitro": "^3.0.260415-beta",
     "@tailwindcss/typography": "^0.5.16",
     "@tanstack/devtools-vite": "latest",
     "@tanstack/eslint-config": "latest",
@@ -44,8 +42,10 @@
     "@types/node": "^22.10.2",
     "@types/react": "^19.2.0",
     "@types/react-dom": "^19.2.0",
+    "@types/react-syntax-highlighter": "^15.5.13",
     "@vitejs/plugin-react": "^6.0.1",
     "jsdom": "^28.1.0",
+    "nitro": "^3.0.260415-beta",
     "prettier": "^3.8.1",
     "typescript": "^5.7.2",
     "vite": "^8.0.0",