Arguments: . Grammar: . - branch — required first token; the branch name for the new worktree. - repo — optional path; create the worktree in this repo instead of the session's current one. - task — optional; what to do inside the new worktree. No task means enter the worktree and wait. Without a : a path-shaped second token (absolute, -relative, - or -relative, or an existing directory) is the repo, and the task starts after it. Otherwise the task starts at the second token. What to do 1. First action — before reading any files or running any commands: - If a repo was given, into it first wi…