feat: 新增播客详情页及相关功能组件

实现播客详情页功能，包括：
1. 新增 PodcastContent 组件展示播客详情
2. 添加 AudioPlayerControls 和 PodcastTabs 组件
3. 实现分享功能组件 ShareButton
4. 优化音频文件命名规则和缓存机制
5. 完善类型定义和 API 接口
6. 调整 UI 布局和响应式设计
7. 修复积分不足状态码问题

web/package.json

@@ -34,10 +34,14 @@
     "react": "^18.3.1",
     "react-dom": "^18.3.1",
     "react-hot-toast": "^2.4.1",
+    "remark": "^15.0.1",
+    "remark-html": "^16.0.1",
+    "remark-parse": "^11.0.0",
     "socket.io-client": "^4.7.5",
     "tailwind-merge": "^2.4.0",
     "tailwindcss": "^3.4.7",
     "typescript": "^5.5.4",
+    "unified": "^11.0.5",
     "use-debounce": "^10.0.5"
   },
   "devDependencies": {