claude-notify

#!/usr/bin/env bash
set -euo pipefail

EVENT="${1:-}"
PANE="${TMUX_PANE:-}"

# helper: get window name for the Claude pane (not the focused window)
get_window_name() {
  tmux display-message -t "$PANE" -p '#{window_name}'
}

# helper: only mark if not already marked
mark_window() {
  local name
  name=$(get_window_name)

  # don't double-prefix
  if [[ "$name" != ⚡* ]]; then
    tmux set-option -t "$PANE" -w @original_name "$name"
    tmux rename-window -t "$PANE" "⚡${name}"

    # set a tmux focus hook to auto-reset when the window gets focus
    tmux set-hook -t "$PANE" -w pane-focus-in "run-shell '$0 reset-from-tmux $PANE'"
  fi
}

# helper: reset window name and clean up
reset_window() {
  local pane="${1:-$PANE}"
  local name
  name=$(tmux show-option -t "$pane" -wqv @original_name 2>/dev/null || true)
  if [ -n "$name" ]; then
    tmux rename-window -t "$pane" "$name"
    tmux set-option -t "$pane" -wu @original_name
    tmux set-hook -t "$pane" -uw pane-focus-in 2>/dev/null
  fi
}

case "$EVENT" in
  question)
    terminal-notifier \
      -title 'Claude Code' \
      -message 'Claude is asking a question' \
      -sound default \
      -sender com.apple.Terminal \
      -group "claude-$(date +%s)"

    if [ -n "$PANE" ]; then
      mark_window
    fi
    ;;

  permission)
    terminal-notifier \
      -title 'Claude Code' \
      -message 'Permission needed' \
      -sender com.apple.Terminal \
      -group "claude-$(date +%s)"

    if [ -n "$PANE" ]; then
      mark_window
    fi
    ;;

  reset)
    if [ -n "$PANE" ]; then
      reset_window "$PANE"
    fi
    ;;

  reset-from-tmux)
    # called by tmux focus hook — pane passed as arg since no $TMUX_PANE
    if [ -n "${2:-}" ]; then
      reset_window "$2"
    fi
    ;;

  *)
    echo "Usage: claude-notify <question|permission|reset>" >&2
    exit 1
    ;;
esac