- Implement logging in router setup, auth handlers, and frpc operations
- Add SoftwareInfo struct for version tracking and logging
- Enhance error messages with more context and logging
- Replace direct error returns with formatted error logging
- Add debug logs for token operations and request validations
- Replace body parsing with header validation for GET endpoints
- Update router to properly handle GET vs POST requests
- Add new ValidateRequestWithHeader function
- Update README to document header requirements