Watch a pull request and fix it from a worktree of its own - CI failures, review feedback from trusted authors and merge conflicts are fixed, pushed to the PR branch and answered on the PR under the user's git and gh identity. Usage - /autofix-pr [<pr>|<pr-url>] [--once] [--every <minutes>] [--no-reply] [--yes] [instructions], /autofix-pr status [<pr>], /autofix-pr resume [<pr>], /autofix-pr stop [<pr>].