zshrc or bashrc alias for claude-team command

claude-team.zsh

# claude teammate mode via tmux
# Uses standard tmux on all platforms (iTerm2 -CC control mode is fragile across updates)
function claude-team() {
  local cmd="${1:-}"

  # sanitize a string into a valid tmux session name
  _ct_sanitize() {
    echo "$1" | tr '[:upper:]' '[:lower:]' | sed 's/[^a-z0-9_-]/-/g' | sed 's/^-//;s/-$//' | cut -c1-50
  }

  case "$cmd" in
    now)
      # use current folder name as session name
      local raw_name="${PWD##*/}"
      local session="ct-$(_ct_sanitize "$raw_name")"
      if tmux has-session -t "$session" 2>/dev/null; then
        tmux attach-session -t "$session"
      else
        tmux new-session -s "$session" claude --dangerously-skip-permissions --teammate-mode tmux
      fi
      ;;
    new)
      # claude-team new <name>
      local name="${2:?usage: claude-team new <name>}"
      local session="ct-$(_ct_sanitize "$name")"
      if tmux has-session -t "$session" 2>/dev/null; then
        echo "Session '$session' already exists. Use: claude-team attach $name"
        return 1
      fi
      tmux new-session -s "$session" claude --dangerously-skip-permissions --teammate-mode tmux
      ;;
    attach|a)
      local name="${2:?usage: claude-team attach <name>}"
      local session="ct-$(_ct_sanitize "$name")"
      if tmux has-session -t "$session" 2>/dev/null; then
        tmux attach-session -t "$session"
      else
        echo "No session '$session'. Use: claude-team ls"
        return 1
      fi
      ;;
    ls|list)
      tmux ls 2>/dev/null | grep '^ct-' || echo "No claude-team sessions."
      ;;
    kill)
      local name="${2:?usage: claude-team kill <name>}"
      local session="ct-$(_ct_sanitize "$name")"
      if tmux has-session -t "$session" 2>/dev/null; then
        tmux kill-session -t "$session"
        echo "Killed session '$session'."
      else
        echo "No session '$session'."
        return 1
      fi
      ;;
    kill-all)
      local sessions=($(tmux ls 2>/dev/null | grep '^ct-' | cut -d: -f1))
      if [[ ${#sessions[@]} -eq 0 ]]; then
        echo "No claude-team sessions to kill."
        return 0
      fi
      for s in "${sessions[@]}"; do
        tmux kill-session -t "$s"
        echo "Killed '$s'."
      done
      ;;
    *)
      cat <<'EOF'
claude-team - Claude teammate mode via tmux

usage: claude-team <command> [args]

commands:
  now              start/attach session named after current folder
  new <name>       start a new named session
  attach <name>    attach to an existing session (alias: a)
  ls               list all claude-team sessions (alias: list)
  kill <name>      kill a named session
  kill-all         kill all claude-team sessions
EOF
      ;;
  esac
}