- Introduced retry counter with a configurable ` RequestRetry ` limit in all handlers.
- Enhanced error handling with specific HTTP status codes for switching clients.
- Standardized response forwarding for non-retriable errors.
- Improved logging for quota and client switch scenarios.
- Introduced `README_CN.md` to provide detailed documentation in Chinese.
- Updated `.goreleaser.yml` to include the new README file in release assets.
- Enhanced `README.md` with a language toggle link for improved accessibility.