gterm: Ghostty SSH

gterm is a real terminal for iOS. It renders with Ghostty's GPU engine for true xterm/VT emulation, connects straight to your servers over SSH, keeps your keys on device, and ships an AI command assistant that writes the commands for you. It's the same renderer and VT parser as the Ghostty desktop app. iOS can't fork/exec a local shell, so gterm drives the terminal straight from the SSH stream through a custom passthru IO backend added to libghostty — giving you a real terminal in a sandboxed i