Configure herald TTS output preferences
show | max_words <number> | summary <prompt> | summary clear | activate_editor on/offConfigure how herald processes responses for text-to-speech. **Options:** - `show` - Display current preferences - `max_words <number>` - Set maximum words to speak (default: 50) - `summary <prompt>` - Set custom summarization instructions - `summary clear` - Reset to default TTS prompt - `activate_editor on/off` - Enable/disable bringing VS Code to focus (default: on) **Examples:** - `/herald:preferences max_words 100` - `/herald:preferences summary "Just give me the key takeaway in one sentence"` - `/herald:preferences summary "Focus on what changed or what I need to do next"` - `/heral...