- Replace fmt.Sscanf with strconv.ParseUint for more efficient header parsing
- Replace fmt.Sprintf("%d", id) with strconv.FormatUint for more efficient string conversion
- Use Header().Set() to prevent duplicate headers
- Add validation for http.Flusher type assertion
- Improve error handling and logging context
- Enhance code readability with consistent structure and formatting
- Refactor event writing for better maintainability

Signed-off-by: Mathias Bogaert <mathias.bogaert@gmail.com>