code ref

Fix: 修复日志系统权限问题，支持容器环境

Fix: 修复 HuggingFace Space 部署时数据库未初始化导致的 500 错误

add render

fix config

update static

Add client IP logging functionality: Implement `get_client_ip` to retrieve real client IP addresses, enhancing request logging in `before_request`. Update Dockerfile to use Gunicorn with configuration for accurate IP logging. Update VSCode completion for new function.

Refactor application to Flask: enhance structure with RESTful API, static file support, and logging. Update Dockerfile for production with Gunicorn and health checks. Expand requirements for Flask and OpenSearch integration.

Enable port reuse in TCP server to prevent "Address already in use" errors

Refactor resource handling: remove book_104.json, update required files, and enhance script.js to support local resource mapping for images and audio.

Update README.md with application title, features, usage guide, and technology stack for the interactive English learning app.