usage: okf install [-h] [--apply] [--uninstall] [--only NAMES] [--json]
register okf, its agent skill, MCP server and shell completion with this machine's agents and
shells (dry-run default; needs no catalogue)
-h, --help show this help message and exit
--apply perform the plan (default: print the plan, change nothing)
--uninstall plan, or with --apply perform, the removal of everything install created
--only NAMES comma-separated subset: claude, omp, codex, opencode, kimi, openclaw, hermes
(agents), zsh, bash, fish (shells). Default: install for every agent and shell
found on this machine; uninstall covers all of them
--json print one JSON envelope {command, ok, data, warnings, error}