SSH PTY output contains non-UTF-8 bytes (terminal escape sequences).
Sending as TextMessage caused WebSocket decode errors. Switch to
BinaryMessage and handle arraybuffer on the client side.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
WebSocket-to-SSH proxy on :8080. Browser connects via xterm.js,
server bridges to localhost:2222 SSH. Single HTML file, CDN deps.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>