- Add --header option to both wrapper CLI (cli.ts) and main CLI (index.ts)
- Support multiple headers with "HeaderName: Value" format validation
- Pass headers to HTTP and SSE transports via requestInit.headers
- Add parseHeaderPair function for proper header parsing
- Fix output truncation issue by removing forced process.exit(0)
- Update types to include headers in Args and TransportOptions
Usage: --header "Authorization: Bearer token" --header "X-Custom: value"
