Have Claude Code use terminal-notifier to create notifications when my attention is needed

settings.json

// ~/.claude/settings.json
// brew install terminal-notifier
{
  "hooks": {
    "Notification": [
      {
        "hooks": [
          {
            "type": "command",
            "command": "terminal-notifier -title \"Claude Code\" -message \"Waiting for your input\" -sound default"
          }
        ]
      }
    ],
    "Stop": [
      {
        "hooks": [
          {
            "type": "command",
            "command": "terminal-notifier -title \"Claude Code\" -message \"Claude has completed the task\" -sound default"
          }
        ]
      }
    ]
  },
}