lazyjira wires up a fixed set of external tools. It would be nice to let users bind their own shell commands to keys, with access to the focused issue.

customCommands:
  issues:
    - key: "y"
      name: "Copy issue key"
      command: "printf %s {{.Key}} | wl-copy"

Commands are Go templates over the focused issue. Custom bindings override built-in keys (same approach as lazygit) and show up in the help overlay.

I have this implemented and can open a PR.