- Add start(), stop(), restart(), is_running() methods to LocalHeadlessClient
- Expose lifecycle methods via RPC (exposed_start, exposed_stop, etc.)
- Support auto_start=False for manual process control
- Track running state across all termination methods

🤖 Generated with [Claude Code](https://claude.com/claude-code

)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>