Set herald notification style (tts or alerts)
<tts|alerts>Set the notification style for when Claude finishes responding.
**Styles:**
- `tts` - Text-to-speech reads the response aloud
- `alerts` - Play a sound and activate VS Code
Use `/herald:disable` to turn off notifications entirely.
!`node ${CLAUDE_PLUGIN_ROOT}/dist/cli/set-style.js $ARGUMENTS`